/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-RepeatedSemanticLbeWithPredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe020_pso.oepc_pso.opt_tso.oepc_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-8d0d62b [2022-12-06 04:31:26,952 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-06 04:31:26,955 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-06 04:31:26,990 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-06 04:31:26,992 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-06 04:31:26,995 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-06 04:31:26,997 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-06 04:31:26,998 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-06 04:31:26,999 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-06 04:31:27,000 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-06 04:31:27,001 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-06 04:31:27,001 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-06 04:31:27,001 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-06 04:31:27,002 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-06 04:31:27,003 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-06 04:31:27,005 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-06 04:31:27,006 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-06 04:31:27,006 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-06 04:31:27,007 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-06 04:31:27,008 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-06 04:31:27,024 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-06 04:31:27,025 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-06 04:31:27,026 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-06 04:31:27,027 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-06 04:31:27,035 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-06 04:31:27,035 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-06 04:31:27,035 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-06 04:31:27,037 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-06 04:31:27,037 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-06 04:31:27,037 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-06 04:31:27,038 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-06 04:31:27,042 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-06 04:31:27,043 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-06 04:31:27,043 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-06 04:31:27,044 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-06 04:31:27,044 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-06 04:31:27,044 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-06 04:31:27,045 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-06 04:31:27,045 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-06 04:31:27,045 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-06 04:31:27,046 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-06 04:31:27,046 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-RepeatedSemanticLbeWithPredicates.epf [2022-12-06 04:31:27,082 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-06 04:31:27,082 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-06 04:31:27,084 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-06 04:31:27,084 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-06 04:31:27,084 INFO L138 SettingsManager]: * Use SBE=true [2022-12-06 04:31:27,085 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-06 04:31:27,085 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-06 04:31:27,085 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-06 04:31:27,085 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-06 04:31:27,085 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-06 04:31:27,086 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-06 04:31:27,086 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-06 04:31:27,086 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-06 04:31:27,086 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-06 04:31:27,086 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-06 04:31:27,086 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-06 04:31:27,087 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-06 04:31:27,087 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-06 04:31:27,087 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-06 04:31:27,087 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-06 04:31:27,087 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-06 04:31:27,087 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 04:31:27,087 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-06 04:31:27,088 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-06 04:31:27,088 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-06 04:31:27,088 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-06 04:31:27,088 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-06 04:31:27,088 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=REPEATED_LIPTON_PN [2022-12-06 04:31:27,088 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-12-06 04:31:27,339 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-06 04:31:27,363 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-06 04:31:27,365 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-06 04:31:27,366 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-06 04:31:27,366 INFO L275 PluginConnector]: CDTParser initialized [2022-12-06 04:31:27,367 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe020_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2022-12-06 04:31:28,402 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-06 04:31:28,649 INFO L351 CDTParser]: Found 1 translation units. [2022-12-06 04:31:28,650 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe020_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2022-12-06 04:31:28,670 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/127aa15cf/0c0c56f53ef049918724be9e0212833d/FLAG616d6655d [2022-12-06 04:31:28,683 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/127aa15cf/0c0c56f53ef049918724be9e0212833d [2022-12-06 04:31:28,685 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-06 04:31:28,686 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-06 04:31:28,687 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-06 04:31:28,687 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-06 04:31:28,690 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-06 04:31:28,690 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:31:28" (1/1) ... [2022-12-06 04:31:28,691 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b95f314 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:31:28, skipping insertion in model container [2022-12-06 04:31:28,691 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:31:28" (1/1) ... [2022-12-06 04:31:28,697 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-06 04:31:28,760 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-06 04:31:28,914 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/safe020_pso.oepc_pso.opt_tso.oepc_tso.opt.i[975,988] [2022-12-06 04:31:29,044 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:31:29,044 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:31:29,045 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:31:29,045 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:31:29,045 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:31:29,046 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:31:29,046 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:31:29,046 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:31:29,046 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:31:29,047 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:31:29,047 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:31:29,048 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:31:29,048 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:31:29,048 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:31:29,048 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:31:29,048 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:31:29,048 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:31:29,049 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:31:29,049 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:31:29,049 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:31:29,049 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:31:29,049 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:31:29,050 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:31:29,050 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:31:29,057 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:31:29,057 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:31:29,058 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:31:29,059 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:31:29,059 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:31:29,060 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:31:29,061 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 04:31:29,069 INFO L203 MainTranslator]: Completed pre-run [2022-12-06 04:31:29,080 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/safe020_pso.oepc_pso.opt_tso.oepc_tso.opt.i[975,988] [2022-12-06 04:31:29,102 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:31:29,102 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:31:29,102 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:31:29,103 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:31:29,103 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:31:29,103 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:31:29,104 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:31:29,105 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:31:29,105 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:31:29,105 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:31:29,105 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:31:29,106 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:31:29,106 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:31:29,106 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:31:29,106 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:31:29,106 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:31:29,107 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:31:29,107 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:31:29,107 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:31:29,107 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:31:29,108 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:31:29,108 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:31:29,108 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:31:29,108 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:31:29,113 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:31:29,113 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:31:29,113 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:31:29,114 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:31:29,114 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:31:29,115 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:31:29,118 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 04:31:29,145 INFO L208 MainTranslator]: Completed translation [2022-12-06 04:31:29,145 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:31:29 WrapperNode [2022-12-06 04:31:29,146 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-06 04:31:29,147 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-06 04:31:29,147 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-06 04:31:29,147 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-06 04:31:29,152 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:31:29" (1/1) ... [2022-12-06 04:31:29,175 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:31:29" (1/1) ... [2022-12-06 04:31:29,193 INFO L138 Inliner]: procedures = 176, calls = 53, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 70 [2022-12-06 04:31:29,193 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-06 04:31:29,194 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-06 04:31:29,194 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-06 04:31:29,194 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-06 04:31:29,201 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:31:29" (1/1) ... [2022-12-06 04:31:29,201 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:31:29" (1/1) ... [2022-12-06 04:31:29,208 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:31:29" (1/1) ... [2022-12-06 04:31:29,208 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:31:29" (1/1) ... [2022-12-06 04:31:29,211 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:31:29" (1/1) ... [2022-12-06 04:31:29,212 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:31:29" (1/1) ... [2022-12-06 04:31:29,213 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:31:29" (1/1) ... [2022-12-06 04:31:29,214 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:31:29" (1/1) ... [2022-12-06 04:31:29,215 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-06 04:31:29,216 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-06 04:31:29,216 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-06 04:31:29,216 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-06 04:31:29,216 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:31:29" (1/1) ... [2022-12-06 04:31:29,220 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 04:31:29,230 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-06 04:31:29,242 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-06 04:31:29,251 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-06 04:31:29,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-06 04:31:29,286 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-06 04:31:29,286 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-06 04:31:29,286 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-06 04:31:29,286 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-06 04:31:29,286 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-12-06 04:31:29,287 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-12-06 04:31:29,287 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-12-06 04:31:29,287 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-12-06 04:31:29,287 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-12-06 04:31:29,287 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-12-06 04:31:29,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-06 04:31:29,287 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-06 04:31:29,287 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-06 04:31:29,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-06 04:31:29,288 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2022-12-06 04:31:29,409 INFO L236 CfgBuilder]: Building ICFG [2022-12-06 04:31:29,410 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-06 04:31:29,518 INFO L277 CfgBuilder]: Performing block encoding [2022-12-06 04:31:29,523 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-06 04:31:29,523 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-06 04:31:29,524 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:31:29 BoogieIcfgContainer [2022-12-06 04:31:29,524 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-06 04:31:29,526 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-06 04:31:29,526 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-06 04:31:29,528 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-06 04:31:29,528 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 04:31:28" (1/3) ... [2022-12-06 04:31:29,529 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7094ef5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 04:31:29, skipping insertion in model container [2022-12-06 04:31:29,529 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:31:29" (2/3) ... [2022-12-06 04:31:29,529 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7094ef5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 04:31:29, skipping insertion in model container [2022-12-06 04:31:29,529 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:31:29" (3/3) ... [2022-12-06 04:31:29,530 INFO L112 eAbstractionObserver]: Analyzing ICFG safe020_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2022-12-06 04:31:29,542 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-06 04:31:29,543 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-06 04:31:29,543 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-06 04:31:29,612 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-06 04:31:29,636 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 91 places, 83 transitions, 181 flow [2022-12-06 04:31:29,691 INFO L130 PetriNetUnfolder]: 2/80 cut-off events. [2022-12-06 04:31:29,691 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 04:31:29,695 INFO L83 FinitePrefix]: Finished finitePrefix Result has 90 conditions, 80 events. 2/80 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 43 event pairs, 0 based on Foata normal form. 0/77 useless extension candidates. Maximal degree in co-relation 63. Up to 2 conditions per place. [2022-12-06 04:31:29,695 INFO L82 GeneralOperation]: Start removeDead. Operand has 91 places, 83 transitions, 181 flow [2022-12-06 04:31:29,698 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 77 places, 68 transitions, 145 flow [2022-12-06 04:31:29,700 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 04:31:29,731 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 77 places, 68 transitions, 145 flow [2022-12-06 04:31:29,736 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 77 places, 68 transitions, 145 flow [2022-12-06 04:31:29,782 INFO L130 PetriNetUnfolder]: 1/68 cut-off events. [2022-12-06 04:31:29,783 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 04:31:29,784 INFO L83 FinitePrefix]: Finished finitePrefix Result has 78 conditions, 68 events. 1/68 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 34 event pairs, 0 based on Foata normal form. 0/67 useless extension candidates. Maximal degree in co-relation 51. Up to 2 conditions per place. [2022-12-06 04:31:29,786 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 77 places, 68 transitions, 145 flow [2022-12-06 04:31:29,786 INFO L188 LiptonReduction]: Number of co-enabled transitions 974 [2022-12-06 04:31:31,736 INFO L203 LiptonReduction]: Total number of compositions: 52 [2022-12-06 04:31:31,747 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-06 04:31:31,751 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;@f64f96c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-06 04:31:31,752 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-12-06 04:31:31,755 INFO L130 PetriNetUnfolder]: 0/13 cut-off events. [2022-12-06 04:31:31,755 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 04:31:31,755 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 04:31:31,755 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 04:31:31,756 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-12-06 04:31:31,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 04:31:31,759 INFO L85 PathProgramCache]: Analyzing trace with hash -1864656922, now seen corresponding path program 1 times [2022-12-06 04:31:31,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 04:31:31,765 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [335202457] [2022-12-06 04:31:31,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 04:31:31,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 04:31:31,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 04:31:32,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 04:31:32,113 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 04:31:32,113 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [335202457] [2022-12-06 04:31:32,115 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [335202457] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 04:31:32,118 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 04:31:32,118 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-06 04:31:32,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677178421] [2022-12-06 04:31:32,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 04:31:32,125 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-06 04:31:32,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 04:31:32,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-06 04:31:32,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-06 04:31:32,142 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 17 [2022-12-06 04:31:32,143 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 26 places, 17 transitions, 43 flow. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 04:31:32,143 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 04:31:32,143 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 17 [2022-12-06 04:31:32,144 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 04:31:32,226 INFO L130 PetriNetUnfolder]: 354/582 cut-off events. [2022-12-06 04:31:32,227 INFO L131 PetriNetUnfolder]: For 13/13 co-relation queries the response was YES. [2022-12-06 04:31:32,228 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1203 conditions, 582 events. 354/582 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 2411 event pairs, 129 based on Foata normal form. 27/609 useless extension candidates. Maximal degree in co-relation 1192. Up to 400 conditions per place. [2022-12-06 04:31:32,231 INFO L137 encePairwiseOnDemand]: 10/17 looper letters, 23 selfloop transitions, 5 changer transitions 0/28 dead transitions. [2022-12-06 04:31:32,231 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 28 places, 28 transitions, 127 flow [2022-12-06 04:31:32,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-06 04:31:32,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-06 04:31:32,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 31 transitions. [2022-12-06 04:31:32,239 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.6078431372549019 [2022-12-06 04:31:32,240 INFO L175 Difference]: Start difference. First operand has 26 places, 17 transitions, 43 flow. Second operand 3 states and 31 transitions. [2022-12-06 04:31:32,240 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 28 places, 28 transitions, 127 flow [2022-12-06 04:31:32,242 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 25 places, 28 transitions, 122 flow, removed 0 selfloop flow, removed 3 redundant places. [2022-12-06 04:31:32,243 INFO L231 Difference]: Finished difference. Result has 26 places, 19 transitions, 67 flow [2022-12-06 04:31:32,244 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=17, PETRI_DIFFERENCE_MINUEND_FLOW=38, PETRI_DIFFERENCE_MINUEND_PLACES=23, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=16, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=11, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=67, PETRI_PLACES=26, PETRI_TRANSITIONS=19} [2022-12-06 04:31:32,246 INFO L294 CegarLoopForPetriNet]: 26 programPoint places, 0 predicate places. [2022-12-06 04:31:32,246 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 04:31:32,247 INFO L89 Accepts]: Start accepts. Operand has 26 places, 19 transitions, 67 flow [2022-12-06 04:31:32,249 INFO L95 Accepts]: Finished accepts. [2022-12-06 04:31:32,249 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 04:31:32,249 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 26 places, 19 transitions, 67 flow [2022-12-06 04:31:32,250 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 26 places, 19 transitions, 67 flow [2022-12-06 04:31:32,263 INFO L130 PetriNetUnfolder]: 11/51 cut-off events. [2022-12-06 04:31:32,264 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-06 04:31:32,264 INFO L83 FinitePrefix]: Finished finitePrefix Result has 98 conditions, 51 events. 11/51 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 166 event pairs, 7 based on Foata normal form. 0/48 useless extension candidates. Maximal degree in co-relation 90. Up to 26 conditions per place. [2022-12-06 04:31:32,264 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 26 places, 19 transitions, 67 flow [2022-12-06 04:31:32,265 INFO L188 LiptonReduction]: Number of co-enabled transitions 110 [2022-12-06 04:31:32,276 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 04:31:32,277 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 31 [2022-12-06 04:31:32,277 INFO L495 AbstractCegarLoop]: Abstraction has has 26 places, 19 transitions, 67 flow [2022-12-06 04:31:32,277 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 04:31:32,277 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 04:31:32,277 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 04:31:32,278 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-06 04:31:32,278 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-12-06 04:31:32,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 04:31:32,278 INFO L85 PathProgramCache]: Analyzing trace with hash -1969789398, now seen corresponding path program 1 times [2022-12-06 04:31:32,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 04:31:32,278 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135121495] [2022-12-06 04:31:32,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 04:31:32,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 04:31:32,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 04:31:32,391 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 04:31:32,392 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 04:31:32,392 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135121495] [2022-12-06 04:31:32,392 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1135121495] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 04:31:32,392 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 04:31:32,392 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-06 04:31:32,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [926968934] [2022-12-06 04:31:32,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 04:31:32,394 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-06 04:31:32,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 04:31:32,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-06 04:31:32,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-06 04:31:32,395 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 16 [2022-12-06 04:31:32,395 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 26 places, 19 transitions, 67 flow. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 04:31:32,395 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 04:31:32,395 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 16 [2022-12-06 04:31:32,395 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 04:31:32,492 INFO L130 PetriNetUnfolder]: 333/552 cut-off events. [2022-12-06 04:31:32,492 INFO L131 PetriNetUnfolder]: For 73/73 co-relation queries the response was YES. [2022-12-06 04:31:32,497 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1389 conditions, 552 events. 333/552 cut-off events. For 73/73 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 2073 event pairs, 81 based on Foata normal form. 9/561 useless extension candidates. Maximal degree in co-relation 1378. Up to 271 conditions per place. [2022-12-06 04:31:32,502 INFO L137 encePairwiseOnDemand]: 10/16 looper letters, 24 selfloop transitions, 6 changer transitions 0/30 dead transitions. [2022-12-06 04:31:32,502 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 29 places, 30 transitions, 154 flow [2022-12-06 04:31:32,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-06 04:31:32,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-12-06 04:31:32,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 30 transitions. [2022-12-06 04:31:32,503 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.46875 [2022-12-06 04:31:32,503 INFO L175 Difference]: Start difference. First operand has 26 places, 19 transitions, 67 flow. Second operand 4 states and 30 transitions. [2022-12-06 04:31:32,504 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 29 places, 30 transitions, 154 flow [2022-12-06 04:31:32,507 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 28 places, 30 transitions, 148 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-06 04:31:32,508 INFO L231 Difference]: Finished difference. Result has 30 places, 20 transitions, 88 flow [2022-12-06 04:31:32,508 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=16, PETRI_DIFFERENCE_MINUEND_FLOW=62, PETRI_DIFFERENCE_MINUEND_PLACES=25, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=19, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=13, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=88, PETRI_PLACES=30, PETRI_TRANSITIONS=20} [2022-12-06 04:31:32,509 INFO L294 CegarLoopForPetriNet]: 26 programPoint places, 4 predicate places. [2022-12-06 04:31:32,509 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 04:31:32,509 INFO L89 Accepts]: Start accepts. Operand has 30 places, 20 transitions, 88 flow [2022-12-06 04:31:32,511 INFO L95 Accepts]: Finished accepts. [2022-12-06 04:31:32,511 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 04:31:32,511 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 30 places, 20 transitions, 88 flow [2022-12-06 04:31:32,513 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 30 places, 20 transitions, 88 flow [2022-12-06 04:31:32,518 INFO L130 PetriNetUnfolder]: 8/44 cut-off events. [2022-12-06 04:31:32,518 INFO L131 PetriNetUnfolder]: For 19/19 co-relation queries the response was YES. [2022-12-06 04:31:32,519 INFO L83 FinitePrefix]: Finished finitePrefix Result has 109 conditions, 44 events. 8/44 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 120 event pairs, 4 based on Foata normal form. 0/43 useless extension candidates. Maximal degree in co-relation 98. Up to 21 conditions per place. [2022-12-06 04:31:32,520 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 30 places, 20 transitions, 88 flow [2022-12-06 04:31:32,520 INFO L188 LiptonReduction]: Number of co-enabled transitions 116 [2022-12-06 04:31:32,534 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 04:31:32,536 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 27 [2022-12-06 04:31:32,537 INFO L495 AbstractCegarLoop]: Abstraction has has 30 places, 20 transitions, 88 flow [2022-12-06 04:31:32,537 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 04:31:32,537 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 04:31:32,537 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 04:31:32,537 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-06 04:31:32,538 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-12-06 04:31:32,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 04:31:32,538 INFO L85 PathProgramCache]: Analyzing trace with hash -1969789863, now seen corresponding path program 1 times [2022-12-06 04:31:32,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 04:31:32,539 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1957911857] [2022-12-06 04:31:32,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 04:31:32,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 04:31:32,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 04:31:32,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 04:31:32,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 04:31:32,650 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1957911857] [2022-12-06 04:31:32,653 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1957911857] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 04:31:32,653 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 04:31:32,653 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-06 04:31:32,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586027271] [2022-12-06 04:31:32,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 04:31:32,655 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-06 04:31:32,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 04:31:32,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-06 04:31:32,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-06 04:31:32,656 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 16 [2022-12-06 04:31:32,656 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 30 places, 20 transitions, 88 flow. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 04:31:32,659 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 04:31:32,660 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 16 [2022-12-06 04:31:32,660 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 04:31:32,737 INFO L130 PetriNetUnfolder]: 318/528 cut-off events. [2022-12-06 04:31:32,737 INFO L131 PetriNetUnfolder]: For 208/208 co-relation queries the response was YES. [2022-12-06 04:31:32,739 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1455 conditions, 528 events. 318/528 cut-off events. For 208/208 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 2047 event pairs, 43 based on Foata normal form. 3/531 useless extension candidates. Maximal degree in co-relation 1441. Up to 343 conditions per place. [2022-12-06 04:31:32,741 INFO L137 encePairwiseOnDemand]: 11/16 looper letters, 26 selfloop transitions, 7 changer transitions 0/33 dead transitions. [2022-12-06 04:31:32,741 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 33 places, 33 transitions, 189 flow [2022-12-06 04:31:32,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-06 04:31:32,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-12-06 04:31:32,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 33 transitions. [2022-12-06 04:31:32,743 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.515625 [2022-12-06 04:31:32,743 INFO L175 Difference]: Start difference. First operand has 30 places, 20 transitions, 88 flow. Second operand 4 states and 33 transitions. [2022-12-06 04:31:32,743 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 33 places, 33 transitions, 189 flow [2022-12-06 04:31:32,745 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 31 places, 33 transitions, 179 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-12-06 04:31:32,746 INFO L231 Difference]: Finished difference. Result has 32 places, 21 transitions, 105 flow [2022-12-06 04:31:32,746 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=16, PETRI_DIFFERENCE_MINUEND_FLOW=79, PETRI_DIFFERENCE_MINUEND_PLACES=28, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=20, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=14, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=105, PETRI_PLACES=32, PETRI_TRANSITIONS=21} [2022-12-06 04:31:32,746 INFO L294 CegarLoopForPetriNet]: 26 programPoint places, 6 predicate places. [2022-12-06 04:31:32,747 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 04:31:32,747 INFO L89 Accepts]: Start accepts. Operand has 32 places, 21 transitions, 105 flow [2022-12-06 04:31:32,747 INFO L95 Accepts]: Finished accepts. [2022-12-06 04:31:32,747 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 04:31:32,748 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 32 places, 21 transitions, 105 flow [2022-12-06 04:31:32,748 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 32 places, 21 transitions, 105 flow [2022-12-06 04:31:32,752 INFO L130 PetriNetUnfolder]: 6/39 cut-off events. [2022-12-06 04:31:32,752 INFO L131 PetriNetUnfolder]: For 25/26 co-relation queries the response was YES. [2022-12-06 04:31:32,753 INFO L83 FinitePrefix]: Finished finitePrefix Result has 108 conditions, 39 events. 6/39 cut-off events. For 25/26 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 101 event pairs, 3 based on Foata normal form. 1/39 useless extension candidates. Maximal degree in co-relation 96. Up to 18 conditions per place. [2022-12-06 04:31:32,753 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 32 places, 21 transitions, 105 flow [2022-12-06 04:31:32,753 INFO L188 LiptonReduction]: Number of co-enabled transitions 122 [2022-12-06 04:31:32,754 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 04:31:32,755 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 8 [2022-12-06 04:31:32,755 INFO L495 AbstractCegarLoop]: Abstraction has has 32 places, 21 transitions, 105 flow [2022-12-06 04:31:32,756 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 04:31:32,756 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 04:31:32,756 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 04:31:32,756 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-06 04:31:32,756 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-12-06 04:31:32,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 04:31:32,757 INFO L85 PathProgramCache]: Analyzing trace with hash -933929323, now seen corresponding path program 1 times [2022-12-06 04:31:32,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 04:31:32,757 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266620232] [2022-12-06 04:31:32,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 04:31:32,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 04:31:32,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 04:31:32,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 04:31:32,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 04:31:32,890 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1266620232] [2022-12-06 04:31:32,890 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1266620232] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 04:31:32,890 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 04:31:32,890 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-06 04:31:32,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706878487] [2022-12-06 04:31:32,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 04:31:32,891 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-06 04:31:32,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 04:31:32,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-06 04:31:32,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-06 04:31:32,893 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 1 out of 16 [2022-12-06 04:31:32,893 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 32 places, 21 transitions, 105 flow. Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 04:31:32,893 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 04:31:32,893 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1 of 16 [2022-12-06 04:31:32,893 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 04:31:32,969 INFO L130 PetriNetUnfolder]: 327/578 cut-off events. [2022-12-06 04:31:32,969 INFO L131 PetriNetUnfolder]: For 520/523 co-relation queries the response was YES. [2022-12-06 04:31:32,970 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1635 conditions, 578 events. 327/578 cut-off events. For 520/523 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 2560 event pairs, 93 based on Foata normal form. 30/608 useless extension candidates. Maximal degree in co-relation 1620. Up to 240 conditions per place. [2022-12-06 04:31:32,972 INFO L137 encePairwiseOnDemand]: 12/16 looper letters, 25 selfloop transitions, 4 changer transitions 10/41 dead transitions. [2022-12-06 04:31:32,972 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 35 places, 41 transitions, 276 flow [2022-12-06 04:31:32,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-06 04:31:32,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-12-06 04:31:32,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 35 transitions. [2022-12-06 04:31:32,975 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.546875 [2022-12-06 04:31:32,975 INFO L175 Difference]: Start difference. First operand has 32 places, 21 transitions, 105 flow. Second operand 4 states and 35 transitions. [2022-12-06 04:31:32,975 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 35 places, 41 transitions, 276 flow [2022-12-06 04:31:32,978 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 33 places, 41 transitions, 256 flow, removed 2 selfloop flow, removed 2 redundant places. [2022-12-06 04:31:32,979 INFO L231 Difference]: Finished difference. Result has 35 places, 21 transitions, 112 flow [2022-12-06 04:31:32,979 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=16, PETRI_DIFFERENCE_MINUEND_FLOW=95, PETRI_DIFFERENCE_MINUEND_PLACES=30, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=21, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=112, PETRI_PLACES=35, PETRI_TRANSITIONS=21} [2022-12-06 04:31:32,980 INFO L294 CegarLoopForPetriNet]: 26 programPoint places, 9 predicate places. [2022-12-06 04:31:32,981 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 04:31:32,981 INFO L89 Accepts]: Start accepts. Operand has 35 places, 21 transitions, 112 flow [2022-12-06 04:31:32,981 INFO L95 Accepts]: Finished accepts. [2022-12-06 04:31:32,981 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 04:31:32,982 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 35 places, 21 transitions, 112 flow [2022-12-06 04:31:32,982 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 35 places, 21 transitions, 112 flow [2022-12-06 04:31:32,987 INFO L130 PetriNetUnfolder]: 6/39 cut-off events. [2022-12-06 04:31:32,987 INFO L131 PetriNetUnfolder]: For 42/42 co-relation queries the response was YES. [2022-12-06 04:31:32,987 INFO L83 FinitePrefix]: Finished finitePrefix Result has 118 conditions, 39 events. 6/39 cut-off events. For 42/42 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 100 event pairs, 3 based on Foata normal form. 0/38 useless extension candidates. Maximal degree in co-relation 103. Up to 18 conditions per place. [2022-12-06 04:31:32,988 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 35 places, 21 transitions, 112 flow [2022-12-06 04:31:32,988 INFO L188 LiptonReduction]: Number of co-enabled transitions 104 [2022-12-06 04:31:32,989 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 04:31:32,990 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 9 [2022-12-06 04:31:32,990 INFO L495 AbstractCegarLoop]: Abstraction has has 35 places, 21 transitions, 112 flow [2022-12-06 04:31:32,990 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 04:31:32,990 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 04:31:32,990 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 04:31:32,990 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-06 04:31:32,990 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-12-06 04:31:32,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 04:31:32,991 INFO L85 PathProgramCache]: Analyzing trace with hash -1809431775, now seen corresponding path program 1 times [2022-12-06 04:31:32,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 04:31:32,991 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379952152] [2022-12-06 04:31:32,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 04:31:32,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 04:31:33,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 04:31:33,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 04:31:33,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 04:31:33,086 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379952152] [2022-12-06 04:31:33,086 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1379952152] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 04:31:33,086 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 04:31:33,086 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-06 04:31:33,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541023163] [2022-12-06 04:31:33,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 04:31:33,087 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-06 04:31:33,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 04:31:33,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-06 04:31:33,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-06 04:31:33,087 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 2 out of 16 [2022-12-06 04:31:33,088 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 21 transitions, 112 flow. Second operand has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 04:31:33,088 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 04:31:33,088 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 2 of 16 [2022-12-06 04:31:33,088 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 04:31:33,159 INFO L130 PetriNetUnfolder]: 162/317 cut-off events. [2022-12-06 04:31:33,159 INFO L131 PetriNetUnfolder]: For 617/622 co-relation queries the response was YES. [2022-12-06 04:31:33,160 INFO L83 FinitePrefix]: Finished finitePrefix Result has 971 conditions, 317 events. 162/317 cut-off events. For 617/622 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 1407 event pairs, 28 based on Foata normal form. 24/326 useless extension candidates. Maximal degree in co-relation 953. Up to 136 conditions per place. [2022-12-06 04:31:33,162 INFO L137 encePairwiseOnDemand]: 10/16 looper letters, 35 selfloop transitions, 5 changer transitions 0/44 dead transitions. [2022-12-06 04:31:33,162 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 44 transitions, 302 flow [2022-12-06 04:31:33,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-06 04:31:33,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-12-06 04:31:33,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 41 transitions. [2022-12-06 04:31:33,164 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.640625 [2022-12-06 04:31:33,164 INFO L175 Difference]: Start difference. First operand has 35 places, 21 transitions, 112 flow. Second operand 4 states and 41 transitions. [2022-12-06 04:31:33,164 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 44 transitions, 302 flow [2022-12-06 04:31:33,166 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 34 places, 44 transitions, 274 flow, removed 2 selfloop flow, removed 4 redundant places. [2022-12-06 04:31:33,167 INFO L231 Difference]: Finished difference. Result has 36 places, 25 transitions, 136 flow [2022-12-06 04:31:33,167 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=16, PETRI_DIFFERENCE_MINUEND_FLOW=98, PETRI_DIFFERENCE_MINUEND_PLACES=31, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=21, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=16, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=136, PETRI_PLACES=36, PETRI_TRANSITIONS=25} [2022-12-06 04:31:33,167 INFO L294 CegarLoopForPetriNet]: 26 programPoint places, 10 predicate places. [2022-12-06 04:31:33,168 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 04:31:33,168 INFO L89 Accepts]: Start accepts. Operand has 36 places, 25 transitions, 136 flow [2022-12-06 04:31:33,168 INFO L95 Accepts]: Finished accepts. [2022-12-06 04:31:33,169 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 04:31:33,169 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 36 places, 25 transitions, 136 flow [2022-12-06 04:31:33,169 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 36 places, 25 transitions, 136 flow [2022-12-06 04:31:33,179 INFO L130 PetriNetUnfolder]: 46/126 cut-off events. [2022-12-06 04:31:33,179 INFO L131 PetriNetUnfolder]: For 153/188 co-relation queries the response was YES. [2022-12-06 04:31:33,179 INFO L83 FinitePrefix]: Finished finitePrefix Result has 357 conditions, 126 events. 46/126 cut-off events. For 153/188 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 587 event pairs, 15 based on Foata normal form. 1/111 useless extension candidates. Maximal degree in co-relation 342. Up to 92 conditions per place. [2022-12-06 04:31:33,180 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 36 places, 25 transitions, 136 flow [2022-12-06 04:31:33,180 INFO L188 LiptonReduction]: Number of co-enabled transitions 140 [2022-12-06 04:31:33,280 INFO L203 LiptonReduction]: Total number of compositions: 1 [2022-12-06 04:31:33,281 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 113 [2022-12-06 04:31:33,281 INFO L495 AbstractCegarLoop]: Abstraction has has 36 places, 25 transitions, 144 flow [2022-12-06 04:31:33,281 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 04:31:33,281 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 04:31:33,281 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 04:31:33,281 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-06 04:31:33,282 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-12-06 04:31:33,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 04:31:33,282 INFO L85 PathProgramCache]: Analyzing trace with hash 938786948, now seen corresponding path program 1 times [2022-12-06 04:31:33,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 04:31:33,282 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574660799] [2022-12-06 04:31:33,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 04:31:33,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 04:31:33,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 04:31:33,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 04:31:33,395 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 04:31:33,395 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [574660799] [2022-12-06 04:31:33,395 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [574660799] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 04:31:33,396 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 04:31:33,396 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-06 04:31:33,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651419076] [2022-12-06 04:31:33,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 04:31:33,396 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-06 04:31:33,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 04:31:33,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-06 04:31:33,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-06 04:31:33,397 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 1 out of 17 [2022-12-06 04:31:33,398 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 25 transitions, 144 flow. Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 04:31:33,398 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 04:31:33,398 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1 of 17 [2022-12-06 04:31:33,398 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 04:31:33,473 INFO L130 PetriNetUnfolder]: 166/335 cut-off events. [2022-12-06 04:31:33,473 INFO L131 PetriNetUnfolder]: For 444/452 co-relation queries the response was YES. [2022-12-06 04:31:33,474 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1190 conditions, 335 events. 166/335 cut-off events. For 444/452 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 1416 event pairs, 45 based on Foata normal form. 10/335 useless extension candidates. Maximal degree in co-relation 1172. Up to 156 conditions per place. [2022-12-06 04:31:33,476 INFO L137 encePairwiseOnDemand]: 14/17 looper letters, 28 selfloop transitions, 3 changer transitions 7/40 dead transitions. [2022-12-06 04:31:33,476 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 40 transitions, 283 flow [2022-12-06 04:31:33,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-06 04:31:33,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-12-06 04:31:33,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 33 transitions. [2022-12-06 04:31:33,481 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.4852941176470588 [2022-12-06 04:31:33,481 INFO L175 Difference]: Start difference. First operand has 36 places, 25 transitions, 144 flow. Second operand 4 states and 33 transitions. [2022-12-06 04:31:33,481 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 40 transitions, 283 flow [2022-12-06 04:31:33,483 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 40 transitions, 267 flow, removed 1 selfloop flow, removed 2 redundant places. [2022-12-06 04:31:33,484 INFO L231 Difference]: Finished difference. Result has 39 places, 25 transitions, 143 flow [2022-12-06 04:31:33,484 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=17, PETRI_DIFFERENCE_MINUEND_FLOW=124, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=24, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=143, PETRI_PLACES=39, PETRI_TRANSITIONS=25} [2022-12-06 04:31:33,486 INFO L294 CegarLoopForPetriNet]: 26 programPoint places, 13 predicate places. [2022-12-06 04:31:33,486 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 04:31:33,486 INFO L89 Accepts]: Start accepts. Operand has 39 places, 25 transitions, 143 flow [2022-12-06 04:31:33,487 INFO L95 Accepts]: Finished accepts. [2022-12-06 04:31:33,487 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 04:31:33,487 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 39 places, 25 transitions, 143 flow [2022-12-06 04:31:33,487 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 39 places, 25 transitions, 143 flow [2022-12-06 04:31:33,511 INFO L130 PetriNetUnfolder]: 30/109 cut-off events. [2022-12-06 04:31:33,511 INFO L131 PetriNetUnfolder]: For 117/127 co-relation queries the response was YES. [2022-12-06 04:31:33,512 INFO L83 FinitePrefix]: Finished finitePrefix Result has 297 conditions, 109 events. 30/109 cut-off events. For 117/127 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 512 event pairs, 9 based on Foata normal form. 2/102 useless extension candidates. Maximal degree in co-relation 281. Up to 68 conditions per place. [2022-12-06 04:31:33,513 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 39 places, 25 transitions, 143 flow [2022-12-06 04:31:33,513 INFO L188 LiptonReduction]: Number of co-enabled transitions 122 [2022-12-06 04:31:33,516 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 04:31:33,516 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 30 [2022-12-06 04:31:33,516 INFO L495 AbstractCegarLoop]: Abstraction has has 39 places, 25 transitions, 143 flow [2022-12-06 04:31:33,517 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 04:31:33,517 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 04:31:33,517 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 04:31:33,517 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-06 04:31:33,517 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-12-06 04:31:33,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 04:31:33,524 INFO L85 PathProgramCache]: Analyzing trace with hash -772990734, now seen corresponding path program 1 times [2022-12-06 04:31:33,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 04:31:33,524 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418672175] [2022-12-06 04:31:33,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 04:31:33,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 04:31:33,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 04:31:33,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 04:31:33,623 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 04:31:33,624 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [418672175] [2022-12-06 04:31:33,624 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [418672175] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 04:31:33,624 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 04:31:33,624 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-06 04:31:33,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279813940] [2022-12-06 04:31:33,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 04:31:33,624 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-06 04:31:33,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 04:31:33,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-06 04:31:33,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-06 04:31:33,625 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 2 out of 16 [2022-12-06 04:31:33,625 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 25 transitions, 143 flow. Second operand has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 04:31:33,625 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 04:31:33,625 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 2 of 16 [2022-12-06 04:31:33,625 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 04:31:33,682 INFO L130 PetriNetUnfolder]: 123/267 cut-off events. [2022-12-06 04:31:33,683 INFO L131 PetriNetUnfolder]: For 388/425 co-relation queries the response was YES. [2022-12-06 04:31:33,683 INFO L83 FinitePrefix]: Finished finitePrefix Result has 899 conditions, 267 events. 123/267 cut-off events. For 388/425 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 1223 event pairs, 15 based on Foata normal form. 26/280 useless extension candidates. Maximal degree in co-relation 880. Up to 128 conditions per place. [2022-12-06 04:31:33,684 INFO L137 encePairwiseOnDemand]: 10/16 looper letters, 27 selfloop transitions, 8 changer transitions 9/48 dead transitions. [2022-12-06 04:31:33,684 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 48 transitions, 336 flow [2022-12-06 04:31:33,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-06 04:31:33,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-12-06 04:31:33,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 49 transitions. [2022-12-06 04:31:33,685 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.6125 [2022-12-06 04:31:33,685 INFO L175 Difference]: Start difference. First operand has 39 places, 25 transitions, 143 flow. Second operand 5 states and 49 transitions. [2022-12-06 04:31:33,685 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 48 transitions, 336 flow [2022-12-06 04:31:33,686 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 48 transitions, 334 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-06 04:31:33,687 INFO L231 Difference]: Finished difference. Result has 44 places, 25 transitions, 167 flow [2022-12-06 04:31:33,687 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=16, PETRI_DIFFERENCE_MINUEND_FLOW=142, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=25, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=167, PETRI_PLACES=44, PETRI_TRANSITIONS=25} [2022-12-06 04:31:33,687 INFO L294 CegarLoopForPetriNet]: 26 programPoint places, 18 predicate places. [2022-12-06 04:31:33,687 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 04:31:33,687 INFO L89 Accepts]: Start accepts. Operand has 44 places, 25 transitions, 167 flow [2022-12-06 04:31:33,688 INFO L95 Accepts]: Finished accepts. [2022-12-06 04:31:33,688 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 04:31:33,688 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 44 places, 25 transitions, 167 flow [2022-12-06 04:31:33,689 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 44 places, 25 transitions, 167 flow [2022-12-06 04:31:33,694 INFO L130 PetriNetUnfolder]: 15/77 cut-off events. [2022-12-06 04:31:33,694 INFO L131 PetriNetUnfolder]: For 145/176 co-relation queries the response was YES. [2022-12-06 04:31:33,694 INFO L83 FinitePrefix]: Finished finitePrefix Result has 288 conditions, 77 events. 15/77 cut-off events. For 145/176 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 313 event pairs, 1 based on Foata normal form. 5/78 useless extension candidates. Maximal degree in co-relation 269. Up to 43 conditions per place. [2022-12-06 04:31:33,695 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 44 places, 25 transitions, 167 flow [2022-12-06 04:31:33,695 INFO L188 LiptonReduction]: Number of co-enabled transitions 98 [2022-12-06 04:31:33,698 ERROR L112 fgCompositionFactory]: Composing non-subsequent actions: [185] L753-->L756: Formula: (= v_~y~0_2 1) InVars {} OutVars{~y~0=v_~y~0_2} AuxVars[] AssignedVars[~y~0] and [246] $Ultimate##0-->L724: Formula: (and (= v_P0Thread1of1ForFork1_~arg.base_5 |v_P0Thread1of1ForFork1_#in~arg.base_5|) (= v_P0Thread1of1ForFork1_~arg.offset_5 |v_P0Thread1of1ForFork1_#in~arg.offset_5|) (= v_~y~0_42 2)) InVars {P0Thread1of1ForFork1_#in~arg.offset=|v_P0Thread1of1ForFork1_#in~arg.offset_5|, P0Thread1of1ForFork1_#in~arg.base=|v_P0Thread1of1ForFork1_#in~arg.base_5|} OutVars{P0Thread1of1ForFork1_#in~arg.offset=|v_P0Thread1of1ForFork1_#in~arg.offset_5|, P0Thread1of1ForFork1_~arg.offset=v_P0Thread1of1ForFork1_~arg.offset_5, P0Thread1of1ForFork1_#in~arg.base=|v_P0Thread1of1ForFork1_#in~arg.base_5|, ~y~0=v_~y~0_42, P0Thread1of1ForFork1_~arg.base=v_P0Thread1of1ForFork1_~arg.base_5} AuxVars[] AssignedVars[P0Thread1of1ForFork1_~arg.offset, ~y~0, P0Thread1of1ForFork1_~arg.base] [2022-12-06 04:31:33,713 INFO L203 LiptonReduction]: Total number of compositions: 1 [2022-12-06 04:31:33,714 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 27 [2022-12-06 04:31:33,714 INFO L495 AbstractCegarLoop]: Abstraction has has 44 places, 25 transitions, 169 flow [2022-12-06 04:31:33,714 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 04:31:33,714 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 04:31:33,714 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 04:31:33,714 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-06 04:31:33,714 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)] === [2022-12-06 04:31:33,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 04:31:33,715 INFO L85 PathProgramCache]: Analyzing trace with hash -1941105656, now seen corresponding path program 1 times [2022-12-06 04:31:33,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 04:31:33,715 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159010663] [2022-12-06 04:31:33,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 04:31:33,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 04:31:33,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 04:31:33,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 04:31:33,799 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 04:31:33,799 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159010663] [2022-12-06 04:31:33,799 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [159010663] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 04:31:33,799 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 04:31:33,799 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-06 04:31:33,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109758487] [2022-12-06 04:31:33,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 04:31:33,800 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-06 04:31:33,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 04:31:33,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-06 04:31:33,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-12-06 04:31:33,800 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 2 out of 17 [2022-12-06 04:31:33,801 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 25 transitions, 169 flow. Second operand has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 04:31:33,801 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 04:31:33,801 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 2 of 17 [2022-12-06 04:31:33,801 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 04:31:33,869 INFO L130 PetriNetUnfolder]: 72/173 cut-off events. [2022-12-06 04:31:33,869 INFO L131 PetriNetUnfolder]: For 433/480 co-relation queries the response was YES. [2022-12-06 04:31:33,870 INFO L83 FinitePrefix]: Finished finitePrefix Result has 749 conditions, 173 events. 72/173 cut-off events. For 433/480 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 713 event pairs, 14 based on Foata normal form. 26/190 useless extension candidates. Maximal degree in co-relation 727. Up to 78 conditions per place. [2022-12-06 04:31:33,870 INFO L137 encePairwiseOnDemand]: 11/17 looper letters, 0 selfloop transitions, 0 changer transitions 36/36 dead transitions. [2022-12-06 04:31:33,870 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 36 transitions, 276 flow [2022-12-06 04:31:33,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-06 04:31:33,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-06 04:31:33,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 44 transitions. [2022-12-06 04:31:33,873 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.43137254901960786 [2022-12-06 04:31:33,873 INFO L175 Difference]: Start difference. First operand has 44 places, 25 transitions, 169 flow. Second operand 6 states and 44 transitions. [2022-12-06 04:31:33,873 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 36 transitions, 276 flow [2022-12-06 04:31:33,874 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 36 transitions, 236 flow, removed 3 selfloop flow, removed 8 redundant places. [2022-12-06 04:31:33,875 INFO L231 Difference]: Finished difference. Result has 40 places, 0 transitions, 0 flow [2022-12-06 04:31:33,875 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=17, PETRI_DIFFERENCE_MINUEND_FLOW=117, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=23, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=40, PETRI_TRANSITIONS=0} [2022-12-06 04:31:33,877 INFO L294 CegarLoopForPetriNet]: 26 programPoint places, 14 predicate places. [2022-12-06 04:31:33,877 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 04:31:33,877 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 40 places, 0 transitions, 0 flow [2022-12-06 04:31:33,877 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 0 places, 0 transitions, 0 flow [2022-12-06 04:31:33,877 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2022-12-06 04:31:33,877 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 04:31:33,877 INFO L83 FinitePrefix]: Finished finitePrefix Result has 0 conditions, 0 events. 0/0 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 0. Compared 0 event pairs, 0 based on Foata normal form. 0/0 useless extension candidates. Maximal degree in co-relation 0. Up to 0 conditions per place. [2022-12-06 04:31:33,878 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 0 places, 0 transitions, 0 flow [2022-12-06 04:31:33,878 INFO L188 LiptonReduction]: Number of co-enabled transitions 0 [2022-12-06 04:31:33,878 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 04:31:33,879 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 2 [2022-12-06 04:31:33,879 INFO L495 AbstractCegarLoop]: Abstraction has has 0 places, 0 transitions, 0 flow [2022-12-06 04:31:33,879 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 04:31:33,881 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2022-12-06 04:31:33,881 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2022-12-06 04:31:33,882 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2022-12-06 04:31:33,882 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2022-12-06 04:31:33,882 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-06 04:31:33,883 INFO L458 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 04:31:33,885 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-06 04:31:33,885 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-06 04:31:33,889 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 04:31:33 BasicIcfg [2022-12-06 04:31:33,889 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-06 04:31:33,890 INFO L158 Benchmark]: Toolchain (without parser) took 5203.76ms. Allocated memory was 208.7MB in the beginning and 285.2MB in the end (delta: 76.5MB). Free memory was 183.9MB in the beginning and 160.3MB in the end (delta: 23.6MB). Peak memory consumption was 100.6MB. Max. memory is 8.0GB. [2022-12-06 04:31:33,890 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 208.7MB. Free memory is still 185.8MB. There was no memory consumed. Max. memory is 8.0GB. [2022-12-06 04:31:33,890 INFO L158 Benchmark]: CACSL2BoogieTranslator took 459.15ms. Allocated memory is still 208.7MB. Free memory was 183.4MB in the beginning and 160.3MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 8.0GB. [2022-12-06 04:31:33,890 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.56ms. Allocated memory is still 208.7MB. Free memory was 160.3MB in the beginning and 158.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-12-06 04:31:33,890 INFO L158 Benchmark]: Boogie Preprocessor took 21.22ms. Allocated memory is still 208.7MB. Free memory was 158.6MB in the beginning and 157.2MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-12-06 04:31:33,891 INFO L158 Benchmark]: RCFGBuilder took 308.72ms. Allocated memory is still 208.7MB. Free memory was 157.1MB in the beginning and 143.6MB in the end (delta: 13.5MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2022-12-06 04:31:33,891 INFO L158 Benchmark]: TraceAbstraction took 4363.45ms. Allocated memory was 208.7MB in the beginning and 285.2MB in the end (delta: 76.5MB). Free memory was 143.0MB in the beginning and 160.3MB in the end (delta: -17.3MB). Peak memory consumption was 59.7MB. Max. memory is 8.0GB. [2022-12-06 04:31:33,892 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 208.7MB. Free memory is still 185.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 459.15ms. Allocated memory is still 208.7MB. Free memory was 183.4MB in the beginning and 160.3MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 46.56ms. Allocated memory is still 208.7MB. Free memory was 160.3MB in the beginning and 158.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 21.22ms. Allocated memory is still 208.7MB. Free memory was 158.6MB in the beginning and 157.2MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 308.72ms. Allocated memory is still 208.7MB. Free memory was 157.1MB in the beginning and 143.6MB in the end (delta: 13.5MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * TraceAbstraction took 4363.45ms. Allocated memory was 208.7MB in the beginning and 285.2MB in the end (delta: 76.5MB). Free memory was 143.0MB in the beginning and 160.3MB in the end (delta: -17.3MB). Peak memory consumption was 59.7MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.0s, 77 PlacesBefore, 26 PlacesAfterwards, 68 TransitionsBefore, 17 TransitionsAfterwards, 974 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 19 TrivialYvCompositions, 32 ConcurrentYvCompositions, 0 ChoiceCompositions, 52 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 809, independent: 775, independent conditional: 775, independent unconditional: 0, dependent: 34, dependent conditional: 34, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 809, independent: 775, independent conditional: 0, independent unconditional: 775, dependent: 34, dependent conditional: 0, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 809, independent: 775, independent conditional: 0, independent unconditional: 775, dependent: 34, dependent conditional: 0, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 809, independent: 775, independent conditional: 0, independent unconditional: 775, dependent: 34, dependent conditional: 0, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 696, independent: 668, independent conditional: 0, independent unconditional: 668, dependent: 28, dependent conditional: 0, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 696, independent: 658, independent conditional: 0, independent unconditional: 658, dependent: 38, dependent conditional: 0, dependent unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 38, independent: 10, independent conditional: 0, independent unconditional: 10, dependent: 28, dependent conditional: 0, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 85, independent: 23, independent conditional: 0, independent unconditional: 23, dependent: 61, dependent conditional: 0, dependent unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 809, independent: 107, independent conditional: 0, independent unconditional: 107, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 696, unknown conditional: 0, unknown unconditional: 696] , Statistics on independence cache: Total cache size (in pairs): 1059, Positive cache size: 1031, Positive conditional cache size: 0, Positive unconditional cache size: 1031, Negative cache size: 28, Negative conditional cache size: 0, Negative unconditional cache size: 28, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 26 PlacesBefore, 26 PlacesAfterwards, 19 TransitionsBefore, 19 TransitionsAfterwards, 110 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 23, independent: 19, independent conditional: 19, independent unconditional: 0, dependent: 4, dependent conditional: 4, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 23, independent: 19, independent conditional: 6, independent unconditional: 13, dependent: 4, dependent conditional: 1, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 23, independent: 19, independent conditional: 0, independent unconditional: 19, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 23, independent: 19, independent conditional: 0, independent unconditional: 19, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 17, independent: 14, independent conditional: 0, independent unconditional: 14, dependent: 3, dependent conditional: 0, dependent unconditional: 3, 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: 3, independent conditional: 0, independent unconditional: 3, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 10, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 23, independent: 5, independent conditional: 0, independent unconditional: 5, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 17, unknown conditional: 0, unknown unconditional: 17] , Statistics on independence cache: Total cache size (in pairs): 17, Positive cache size: 14, Positive conditional cache size: 0, Positive unconditional cache size: 14, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 7, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 30 PlacesBefore, 30 PlacesAfterwards, 20 TransitionsBefore, 20 TransitionsAfterwards, 116 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 29, independent: 24, independent conditional: 24, independent unconditional: 0, dependent: 5, dependent conditional: 5, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 29, independent: 24, independent conditional: 6, independent unconditional: 18, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 29, independent: 24, independent conditional: 0, independent unconditional: 24, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 29, independent: 24, independent conditional: 0, independent unconditional: 24, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 10, independent: 9, independent conditional: 0, independent unconditional: 9, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 10, independent: 7, independent conditional: 0, independent unconditional: 7, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 11, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 29, independent: 15, independent conditional: 0, independent unconditional: 15, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 10, unknown conditional: 0, unknown unconditional: 10] , Statistics on independence cache: Total cache size (in pairs): 27, Positive cache size: 23, Positive conditional cache size: 0, Positive unconditional cache size: 23, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 6, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 32 PlacesBefore, 32 PlacesAfterwards, 21 TransitionsBefore, 21 TransitionsAfterwards, 122 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 39, independent: 33, independent conditional: 33, independent unconditional: 0, dependent: 6, dependent conditional: 6, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 39, independent: 33, independent conditional: 8, independent unconditional: 25, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 39, independent: 33, independent conditional: 0, independent unconditional: 33, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 39, independent: 33, independent conditional: 0, independent unconditional: 33, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3, independent: 3, independent conditional: 0, independent unconditional: 3, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3, independent: 3, independent conditional: 0, independent unconditional: 3, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 39, independent: 30, independent conditional: 0, independent unconditional: 30, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , Statistics on independence cache: Total cache size (in pairs): 30, Positive cache size: 26, Positive conditional cache size: 0, Positive unconditional cache size: 26, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 8, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 35 PlacesBefore, 35 PlacesAfterwards, 21 TransitionsBefore, 21 TransitionsAfterwards, 104 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 34, independent: 29, independent conditional: 29, independent unconditional: 0, dependent: 5, dependent conditional: 5, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 34, independent: 29, independent conditional: 8, independent unconditional: 21, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 34, independent: 29, independent conditional: 0, independent unconditional: 29, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 34, independent: 29, independent conditional: 0, independent unconditional: 29, dependent: 5, dependent conditional: 0, dependent unconditional: 5, 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: 34, independent: 29, independent conditional: 0, independent unconditional: 29, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 30, Positive cache size: 26, Positive conditional cache size: 0, Positive unconditional cache size: 26, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 8, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.1s, 36 PlacesBefore, 36 PlacesAfterwards, 25 TransitionsBefore, 25 TransitionsAfterwards, 140 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 22, independent: 18, independent conditional: 18, independent unconditional: 0, dependent: 4, dependent conditional: 4, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 22, independent: 18, independent conditional: 15, independent unconditional: 3, dependent: 4, dependent conditional: 4, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 22, independent: 18, independent conditional: 0, independent unconditional: 18, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 22, independent: 18, independent conditional: 0, independent unconditional: 18, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4, independent: 3, independent conditional: 0, independent unconditional: 3, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4, independent: 3, independent conditional: 0, independent unconditional: 3, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 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] ], Cache Queries: [ total: 22, independent: 15, independent conditional: 0, independent unconditional: 15, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , Statistics on independence cache: Total cache size (in pairs): 34, Positive cache size: 29, Positive conditional cache size: 0, Positive unconditional cache size: 29, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 19, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 39 PlacesBefore, 39 PlacesAfterwards, 25 TransitionsBefore, 25 TransitionsAfterwards, 122 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10, independent: 8, independent conditional: 8, independent unconditional: 0, dependent: 2, dependent conditional: 2, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 10, independent: 8, independent conditional: 8, independent unconditional: 0, dependent: 2, dependent conditional: 2, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 10, independent: 8, independent conditional: 0, independent unconditional: 8, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 10, independent: 8, independent conditional: 0, independent unconditional: 8, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 10, independent: 6, independent conditional: 0, independent unconditional: 6, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , Statistics on independence cache: Total cache size (in pairs): 37, Positive cache size: 31, Positive conditional cache size: 0, Positive unconditional cache size: 31, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 10, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 44 PlacesBefore, 44 PlacesAfterwards, 25 TransitionsBefore, 25 TransitionsAfterwards, 98 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 17, independent: 13, independent conditional: 13, independent unconditional: 0, dependent: 4, dependent conditional: 4, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 17, independent: 13, independent conditional: 13, independent unconditional: 0, dependent: 4, dependent conditional: 4, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 21, independent: 13, independent conditional: 2, independent unconditional: 11, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 21, independent: 13, independent conditional: 2, independent unconditional: 11, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6, independent: 5, independent conditional: 2, independent unconditional: 3, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 6, independent: 5, independent conditional: 0, independent unconditional: 5, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 21, independent: 8, independent conditional: 0, independent unconditional: 8, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 6, unknown conditional: 2, unknown unconditional: 4] , Statistics on independence cache: Total cache size (in pairs): 44, Positive cache size: 37, Positive conditional cache size: 2, Positive unconditional cache size: 35, Negative cache size: 7, Negative conditional cache size: 0, Negative unconditional cache size: 7, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 19, Maximal queried relation: 1 - 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): 44, Positive cache size: 37, Positive conditional cache size: 2, Positive unconditional cache size: 35, Negative cache size: 7, Negative conditional cache size: 0, Negative unconditional cache size: 7, 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, 105 locations, 4 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 4.3s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 184 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 184 mSDsluCounter, 13 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 19 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 309 IncrementalHoareTripleChecker+Invalid, 328 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 19 mSolverCounterUnsat, 9 mSDtfsCounter, 309 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 28 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=169occurred in iteration=7, InterpolantAutomatonStates: 34, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 86 NumberOfCodeBlocks, 86 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 78 ConstructedInterpolants, 0 QuantifiedInterpolants, 315 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-12-06 04:31:33,923 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...