/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithDisjunctivePredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix012_power.oepc_power.opt_pso.oepc_rmo.oepc_rmo.opt_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-8d0d62b [2022-12-06 06:18:07,247 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-06 06:18:07,249 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-06 06:18:07,282 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-06 06:18:07,283 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-06 06:18:07,285 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-06 06:18:07,287 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-06 06:18:07,290 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-06 06:18:07,293 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-06 06:18:07,297 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-06 06:18:07,298 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-06 06:18:07,299 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-06 06:18:07,300 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-06 06:18:07,301 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-06 06:18:07,302 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-06 06:18:07,303 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-06 06:18:07,304 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-06 06:18:07,304 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-06 06:18:07,306 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-06 06:18:07,310 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-06 06:18:07,311 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-06 06:18:07,312 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-06 06:18:07,312 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-06 06:18:07,313 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-06 06:18:07,318 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-06 06:18:07,319 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-06 06:18:07,319 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-06 06:18:07,320 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-06 06:18:07,320 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-06 06:18:07,321 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-06 06:18:07,321 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-06 06:18:07,322 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-06 06:18:07,323 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-06 06:18:07,324 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-06 06:18:07,324 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-06 06:18:07,324 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-06 06:18:07,325 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-06 06:18:07,325 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-06 06:18:07,325 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-06 06:18:07,326 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-06 06:18:07,326 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-06 06:18:07,327 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithDisjunctivePredicates.epf [2022-12-06 06:18:07,350 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-06 06:18:07,350 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-06 06:18:07,352 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-06 06:18:07,352 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-06 06:18:07,352 INFO L138 SettingsManager]: * Use SBE=true [2022-12-06 06:18:07,353 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-06 06:18:07,353 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-06 06:18:07,353 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-06 06:18:07,353 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-06 06:18:07,353 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-06 06:18:07,354 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-06 06:18:07,354 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-06 06:18:07,354 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-06 06:18:07,354 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-06 06:18:07,354 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-06 06:18:07,354 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-06 06:18:07,354 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-06 06:18:07,354 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-06 06:18:07,355 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-06 06:18:07,355 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-06 06:18:07,355 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-06 06:18:07,355 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 06:18:07,355 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-06 06:18:07,355 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-06 06:18:07,355 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-06 06:18:07,355 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-06 06:18:07,355 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-06 06:18:07,356 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=REPEATED_LIPTON_PN [2022-12-06 06:18:07,356 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-12-06 06:18:07,650 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-06 06:18:07,669 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-06 06:18:07,671 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-06 06:18:07,672 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-06 06:18:07,687 INFO L275 PluginConnector]: CDTParser initialized [2022-12-06 06:18:07,689 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix012_power.oepc_power.opt_pso.oepc_rmo.oepc_rmo.opt_tso.oepc.i [2022-12-06 06:18:08,727 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-06 06:18:09,036 INFO L351 CDTParser]: Found 1 translation units. [2022-12-06 06:18:09,037 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix012_power.oepc_power.opt_pso.oepc_rmo.oepc_rmo.opt_tso.oepc.i [2022-12-06 06:18:09,050 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fedf15a8f/b79ebe203bec4933bb8ed9c8f381d110/FLAG617bbb873 [2022-12-06 06:18:09,065 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fedf15a8f/b79ebe203bec4933bb8ed9c8f381d110 [2022-12-06 06:18:09,067 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-06 06:18:09,068 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-06 06:18:09,070 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-06 06:18:09,071 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-06 06:18:09,073 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-06 06:18:09,073 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:18:09" (1/1) ... [2022-12-06 06:18:09,074 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33d3418c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:18:09, skipping insertion in model container [2022-12-06 06:18:09,074 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:18:09" (1/1) ... [2022-12-06 06:18:09,079 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-06 06:18:09,132 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-06 06:18:09,290 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/mix012_power.oepc_power.opt_pso.oepc_rmo.oepc_rmo.opt_tso.oepc.i[996,1009] [2022-12-06 06:18:09,439 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:18:09,442 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:18:09,442 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:18:09,443 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:18:09,443 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:18:09,448 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:18:09,448 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:18:09,448 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:18:09,450 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:18:09,450 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:18:09,450 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:18:09,450 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:18:09,451 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:18:09,469 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:18:09,469 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:18:09,475 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:18:09,475 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:18:09,476 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:18:09,483 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:18:09,485 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:18:09,485 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:18:09,489 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:18:09,490 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:18:09,490 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:18:09,492 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 06:18:09,501 INFO L203 MainTranslator]: Completed pre-run [2022-12-06 06:18:09,512 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/mix012_power.oepc_power.opt_pso.oepc_rmo.oepc_rmo.opt_tso.oepc.i[996,1009] [2022-12-06 06:18:09,542 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:18:09,543 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:18:09,543 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:18:09,543 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:18:09,543 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:18:09,544 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:18:09,544 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:18:09,545 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:18:09,545 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:18:09,545 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:18:09,546 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:18:09,546 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:18:09,546 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:18:09,558 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:18:09,558 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:18:09,563 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:18:09,563 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:18:09,563 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:18:09,565 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:18:09,566 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:18:09,566 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:18:09,567 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:18:09,567 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:18:09,567 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:18:09,568 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 06:18:09,602 INFO L208 MainTranslator]: Completed translation [2022-12-06 06:18:09,602 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:18:09 WrapperNode [2022-12-06 06:18:09,602 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-06 06:18:09,603 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-06 06:18:09,603 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-06 06:18:09,604 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-06 06:18:09,609 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:18:09" (1/1) ... [2022-12-06 06:18:09,636 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:18:09" (1/1) ... [2022-12-06 06:18:09,663 INFO L138 Inliner]: procedures = 175, calls = 43, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 114 [2022-12-06 06:18:09,664 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-06 06:18:09,665 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-06 06:18:09,665 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-06 06:18:09,665 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-06 06:18:09,671 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:18:09" (1/1) ... [2022-12-06 06:18:09,672 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:18:09" (1/1) ... [2022-12-06 06:18:09,686 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:18:09" (1/1) ... [2022-12-06 06:18:09,687 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:18:09" (1/1) ... [2022-12-06 06:18:09,691 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:18:09" (1/1) ... [2022-12-06 06:18:09,692 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:18:09" (1/1) ... [2022-12-06 06:18:09,694 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:18:09" (1/1) ... [2022-12-06 06:18:09,695 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:18:09" (1/1) ... [2022-12-06 06:18:09,697 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-06 06:18:09,698 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-06 06:18:09,698 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-06 06:18:09,698 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-06 06:18:09,699 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:18:09" (1/1) ... [2022-12-06 06:18:09,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 06:18:09,725 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-06 06:18:09,749 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-06 06:18:09,752 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-06 06:18:09,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-06 06:18:09,781 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-06 06:18:09,781 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-06 06:18:09,781 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-06 06:18:09,781 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-06 06:18:09,782 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-12-06 06:18:09,782 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-12-06 06:18:09,783 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-12-06 06:18:09,783 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-12-06 06:18:09,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-06 06:18:09,783 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-06 06:18:09,786 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-06 06:18:09,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-06 06:18:09,787 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2022-12-06 06:18:09,934 INFO L236 CfgBuilder]: Building ICFG [2022-12-06 06:18:09,935 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-06 06:18:10,222 INFO L277 CfgBuilder]: Performing block encoding [2022-12-06 06:18:10,323 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-06 06:18:10,324 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-06 06:18:10,326 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:18:10 BoogieIcfgContainer [2022-12-06 06:18:10,327 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-06 06:18:10,328 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-06 06:18:10,328 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-06 06:18:10,330 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-06 06:18:10,330 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 06:18:09" (1/3) ... [2022-12-06 06:18:10,331 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41e861ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 06:18:10, skipping insertion in model container [2022-12-06 06:18:10,331 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:18:09" (2/3) ... [2022-12-06 06:18:10,331 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41e861ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 06:18:10, skipping insertion in model container [2022-12-06 06:18:10,331 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:18:10" (3/3) ... [2022-12-06 06:18:10,332 INFO L112 eAbstractionObserver]: Analyzing ICFG mix012_power.oepc_power.opt_pso.oepc_rmo.oepc_rmo.opt_tso.oepc.i [2022-12-06 06:18:10,345 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-06 06:18:10,345 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-06 06:18:10,345 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-06 06:18:10,384 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-06 06:18:10,409 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 95 places, 90 transitions, 190 flow [2022-12-06 06:18:10,451 INFO L130 PetriNetUnfolder]: 2/88 cut-off events. [2022-12-06 06:18:10,452 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 06:18:10,456 INFO L83 FinitePrefix]: Finished finitePrefix Result has 95 conditions, 88 events. 2/88 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 47 event pairs, 0 based on Foata normal form. 0/84 useless extension candidates. Maximal degree in co-relation 52. Up to 2 conditions per place. [2022-12-06 06:18:10,456 INFO L82 GeneralOperation]: Start removeDead. Operand has 95 places, 90 transitions, 190 flow [2022-12-06 06:18:10,459 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 93 places, 88 transitions, 182 flow [2022-12-06 06:18:10,460 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 06:18:10,478 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 93 places, 88 transitions, 182 flow [2022-12-06 06:18:10,481 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 93 places, 88 transitions, 182 flow [2022-12-06 06:18:10,502 INFO L130 PetriNetUnfolder]: 2/88 cut-off events. [2022-12-06 06:18:10,502 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 06:18:10,502 INFO L83 FinitePrefix]: Finished finitePrefix Result has 95 conditions, 88 events. 2/88 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 47 event pairs, 0 based on Foata normal form. 0/84 useless extension candidates. Maximal degree in co-relation 52. Up to 2 conditions per place. [2022-12-06 06:18:10,506 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 93 places, 88 transitions, 182 flow [2022-12-06 06:18:10,506 INFO L188 LiptonReduction]: Number of co-enabled transitions 1104 [2022-12-06 06:18:13,902 INFO L203 LiptonReduction]: Total number of compositions: 70 [2022-12-06 06:18:13,914 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-06 06:18:13,918 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;@25c3fe15, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-06 06:18:13,918 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-12-06 06:18:13,920 INFO L130 PetriNetUnfolder]: 0/2 cut-off events. [2022-12-06 06:18:13,920 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 06:18:13,920 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 06:18:13,920 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2022-12-06 06:18:13,921 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-06 06:18:13,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 06:18:13,924 INFO L85 PathProgramCache]: Analyzing trace with hash 404476, now seen corresponding path program 1 times [2022-12-06 06:18:13,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 06:18:13,931 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499208924] [2022-12-06 06:18:13,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 06:18:13,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 06:18:14,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 06:18:14,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 06:18:14,244 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 06:18:14,244 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [499208924] [2022-12-06 06:18:14,245 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [499208924] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 06:18:14,245 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 06:18:14,245 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-06 06:18:14,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258180947] [2022-12-06 06:18:14,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 06:18:14,252 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-06 06:18:14,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 06:18:14,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-06 06:18:14,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-06 06:18:14,269 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 2 out of 22 [2022-12-06 06:18:14,270 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 28 places, 22 transitions, 50 flow. Second operand has 3 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 06:18:14,270 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 06:18:14,270 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 2 of 22 [2022-12-06 06:18:14,271 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 06:18:14,367 INFO L130 PetriNetUnfolder]: 176/327 cut-off events. [2022-12-06 06:18:14,367 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-12-06 06:18:14,368 INFO L83 FinitePrefix]: Finished finitePrefix Result has 650 conditions, 327 events. 176/327 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 1296 event pairs, 56 based on Foata normal form. 0/282 useless extension candidates. Maximal degree in co-relation 640. Up to 256 conditions per place. [2022-12-06 06:18:14,370 INFO L137 encePairwiseOnDemand]: 17/22 looper letters, 21 selfloop transitions, 2 changer transitions 6/31 dead transitions. [2022-12-06 06:18:14,370 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 28 places, 31 transitions, 129 flow [2022-12-06 06:18:14,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-06 06:18:14,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-06 06:18:14,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 40 transitions. [2022-12-06 06:18:14,378 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.6060606060606061 [2022-12-06 06:18:14,380 INFO L175 Difference]: Start difference. First operand has 28 places, 22 transitions, 50 flow. Second operand 3 states and 40 transitions. [2022-12-06 06:18:14,380 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 28 places, 31 transitions, 129 flow [2022-12-06 06:18:14,382 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 26 places, 31 transitions, 126 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-12-06 06:18:14,383 INFO L231 Difference]: Finished difference. Result has 26 places, 16 transitions, 40 flow [2022-12-06 06:18:14,384 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=22, PETRI_DIFFERENCE_MINUEND_FLOW=42, PETRI_DIFFERENCE_MINUEND_PLACES=24, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=19, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=40, PETRI_PLACES=26, PETRI_TRANSITIONS=16} [2022-12-06 06:18:14,386 INFO L294 CegarLoopForPetriNet]: 28 programPoint places, -2 predicate places. [2022-12-06 06:18:14,386 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 06:18:14,387 INFO L89 Accepts]: Start accepts. Operand has 26 places, 16 transitions, 40 flow [2022-12-06 06:18:14,388 INFO L95 Accepts]: Finished accepts. [2022-12-06 06:18:14,388 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 06:18:14,389 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 26 places, 16 transitions, 40 flow [2022-12-06 06:18:14,390 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 23 places, 16 transitions, 40 flow [2022-12-06 06:18:14,393 INFO L130 PetriNetUnfolder]: 0/16 cut-off events. [2022-12-06 06:18:14,393 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 06:18:14,393 INFO L83 FinitePrefix]: Finished finitePrefix Result has 24 conditions, 16 events. 0/16 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 18 event pairs, 0 based on Foata normal form. 0/16 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2022-12-06 06:18:14,393 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 23 places, 16 transitions, 40 flow [2022-12-06 06:18:14,393 INFO L188 LiptonReduction]: Number of co-enabled transitions 110 [2022-12-06 06:18:14,448 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 06:18:14,450 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 64 [2022-12-06 06:18:14,450 INFO L495 AbstractCegarLoop]: Abstraction has has 23 places, 16 transitions, 40 flow [2022-12-06 06:18:14,450 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 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 06:18:14,450 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 06:18:14,450 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-06 06:18:14,450 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-06 06:18:14,451 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-06 06:18:14,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 06:18:14,451 INFO L85 PathProgramCache]: Analyzing trace with hash -67434959, now seen corresponding path program 1 times [2022-12-06 06:18:14,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 06:18:14,451 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [377151333] [2022-12-06 06:18:14,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 06:18:14,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 06:18:14,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 06:18:14,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 06:18:14,577 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 06:18:14,577 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [377151333] [2022-12-06 06:18:14,577 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [377151333] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 06:18:14,577 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 06:18:14,577 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-06 06:18:14,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768566904] [2022-12-06 06:18:14,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 06:18:14,578 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-06 06:18:14,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 06:18:14,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-06 06:18:14,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-06 06:18:14,579 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 1 out of 16 [2022-12-06 06:18:14,579 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 23 places, 16 transitions, 40 flow. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 06:18:14,579 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 06:18:14,579 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1 of 16 [2022-12-06 06:18:14,579 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 06:18:14,649 INFO L130 PetriNetUnfolder]: 121/220 cut-off events. [2022-12-06 06:18:14,649 INFO L131 PetriNetUnfolder]: For 23/23 co-relation queries the response was YES. [2022-12-06 06:18:14,650 INFO L83 FinitePrefix]: Finished finitePrefix Result has 476 conditions, 220 events. 121/220 cut-off events. For 23/23 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 731 event pairs, 41 based on Foata normal form. 8/227 useless extension candidates. Maximal degree in co-relation 466. Up to 157 conditions per place. [2022-12-06 06:18:14,651 INFO L137 encePairwiseOnDemand]: 13/16 looper letters, 18 selfloop transitions, 2 changer transitions 0/21 dead transitions. [2022-12-06 06:18:14,651 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 25 places, 21 transitions, 92 flow [2022-12-06 06:18:14,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-06 06:18:14,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-06 06:18:14,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 24 transitions. [2022-12-06 06:18:14,652 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5 [2022-12-06 06:18:14,652 INFO L175 Difference]: Start difference. First operand has 23 places, 16 transitions, 40 flow. Second operand 3 states and 24 transitions. [2022-12-06 06:18:14,652 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 25 places, 21 transitions, 92 flow [2022-12-06 06:18:14,652 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 23 places, 21 transitions, 86 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-12-06 06:18:14,653 INFO L231 Difference]: Finished difference. Result has 24 places, 16 transitions, 44 flow [2022-12-06 06:18:14,653 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=16, PETRI_DIFFERENCE_MINUEND_FLOW=36, PETRI_DIFFERENCE_MINUEND_PLACES=21, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=16, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=14, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=44, PETRI_PLACES=24, PETRI_TRANSITIONS=16} [2022-12-06 06:18:14,653 INFO L294 CegarLoopForPetriNet]: 28 programPoint places, -4 predicate places. [2022-12-06 06:18:14,653 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 06:18:14,653 INFO L89 Accepts]: Start accepts. Operand has 24 places, 16 transitions, 44 flow [2022-12-06 06:18:14,654 INFO L95 Accepts]: Finished accepts. [2022-12-06 06:18:14,654 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 06:18:14,654 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 24 places, 16 transitions, 44 flow [2022-12-06 06:18:14,655 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 24 places, 16 transitions, 44 flow [2022-12-06 06:18:14,657 INFO L130 PetriNetUnfolder]: 0/16 cut-off events. [2022-12-06 06:18:14,657 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 06:18:14,657 INFO L83 FinitePrefix]: Finished finitePrefix Result has 27 conditions, 16 events. 0/16 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 19 event pairs, 0 based on Foata normal form. 0/16 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2022-12-06 06:18:14,657 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 24 places, 16 transitions, 44 flow [2022-12-06 06:18:14,657 INFO L188 LiptonReduction]: Number of co-enabled transitions 106 [2022-12-06 06:18:14,704 INFO L203 LiptonReduction]: Total number of compositions: 1 [2022-12-06 06:18:14,705 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 52 [2022-12-06 06:18:14,705 INFO L495 AbstractCegarLoop]: Abstraction has has 23 places, 15 transitions, 42 flow [2022-12-06 06:18:14,706 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 06:18:14,706 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 06:18:14,706 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 06:18:14,706 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-06 06:18:14,706 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-06 06:18:14,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 06:18:14,706 INFO L85 PathProgramCache]: Analyzing trace with hash -2090463456, now seen corresponding path program 1 times [2022-12-06 06:18:14,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 06:18:14,707 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1555299702] [2022-12-06 06:18:14,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 06:18:14,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 06:18:14,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 06:18:14,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 06:18:14,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 06:18:14,805 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1555299702] [2022-12-06 06:18:14,805 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1555299702] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 06:18:14,806 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 06:18:14,806 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-06 06:18:14,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [825103293] [2022-12-06 06:18:14,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 06:18:14,806 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-06 06:18:14,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 06:18:14,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-06 06:18:14,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-06 06:18:14,807 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 1 out of 15 [2022-12-06 06:18:14,807 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 23 places, 15 transitions, 42 flow. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 06:18:14,807 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 06:18:14,807 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1 of 15 [2022-12-06 06:18:14,807 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 06:18:14,895 INFO L130 PetriNetUnfolder]: 61/135 cut-off events. [2022-12-06 06:18:14,895 INFO L131 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2022-12-06 06:18:14,895 INFO L83 FinitePrefix]: Finished finitePrefix Result has 310 conditions, 135 events. 61/135 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 461 event pairs, 13 based on Foata normal form. 20/154 useless extension candidates. Maximal degree in co-relation 299. Up to 62 conditions per place. [2022-12-06 06:18:14,896 INFO L137 encePairwiseOnDemand]: 10/15 looper letters, 20 selfloop transitions, 3 changer transitions 15/39 dead transitions. [2022-12-06 06:18:14,896 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 27 places, 39 transitions, 177 flow [2022-12-06 06:18:14,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-06 06:18:14,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-12-06 06:18:14,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 45 transitions. [2022-12-06 06:18:14,899 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.6 [2022-12-06 06:18:14,899 INFO L175 Difference]: Start difference. First operand has 23 places, 15 transitions, 42 flow. Second operand 5 states and 45 transitions. [2022-12-06 06:18:14,899 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 27 places, 39 transitions, 177 flow [2022-12-06 06:18:14,899 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 25 places, 39 transitions, 167 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-12-06 06:18:14,900 INFO L231 Difference]: Finished difference. Result has 28 places, 17 transitions, 65 flow [2022-12-06 06:18:14,900 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=15, PETRI_DIFFERENCE_MINUEND_FLOW=38, PETRI_DIFFERENCE_MINUEND_PLACES=21, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=15, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=12, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=65, PETRI_PLACES=28, PETRI_TRANSITIONS=17} [2022-12-06 06:18:14,900 INFO L294 CegarLoopForPetriNet]: 28 programPoint places, 0 predicate places. [2022-12-06 06:18:14,901 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 06:18:14,901 INFO L89 Accepts]: Start accepts. Operand has 28 places, 17 transitions, 65 flow [2022-12-06 06:18:14,901 INFO L95 Accepts]: Finished accepts. [2022-12-06 06:18:14,901 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 06:18:14,901 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 28 places, 17 transitions, 65 flow [2022-12-06 06:18:14,902 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 26 places, 17 transitions, 65 flow [2022-12-06 06:18:14,905 INFO L130 PetriNetUnfolder]: 5/27 cut-off events. [2022-12-06 06:18:14,905 INFO L131 PetriNetUnfolder]: For 9/9 co-relation queries the response was YES. [2022-12-06 06:18:14,905 INFO L83 FinitePrefix]: Finished finitePrefix Result has 67 conditions, 27 events. 5/27 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 42 event pairs, 2 based on Foata normal form. 0/27 useless extension candidates. Maximal degree in co-relation 56. Up to 12 conditions per place. [2022-12-06 06:18:14,906 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 26 places, 17 transitions, 65 flow [2022-12-06 06:18:14,906 INFO L188 LiptonReduction]: Number of co-enabled transitions 84 [2022-12-06 06:18:14,931 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 06:18:14,932 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 31 [2022-12-06 06:18:14,932 INFO L495 AbstractCegarLoop]: Abstraction has has 26 places, 17 transitions, 65 flow [2022-12-06 06:18:14,932 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 06:18:14,932 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 06:18:14,932 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 06:18:14,932 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-06 06:18:14,932 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-06 06:18:14,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 06:18:14,933 INFO L85 PathProgramCache]: Analyzing trace with hash 1420902993, now seen corresponding path program 1 times [2022-12-06 06:18:14,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 06:18:14,933 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1849253267] [2022-12-06 06:18:14,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 06:18:14,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 06:18:14,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 06:18:15,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 06:18:15,124 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 06:18:15,124 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1849253267] [2022-12-06 06:18:15,124 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1849253267] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 06:18:15,124 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 06:18:15,124 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-06 06:18:15,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [974645651] [2022-12-06 06:18:15,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 06:18:15,125 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-06 06:18:15,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 06:18:15,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-06 06:18:15,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-06 06:18:15,127 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 1 out of 15 [2022-12-06 06:18:15,127 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 26 places, 17 transitions, 65 flow. Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 06:18:15,128 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 06:18:15,128 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1 of 15 [2022-12-06 06:18:15,128 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 06:18:15,223 INFO L130 PetriNetUnfolder]: 24/66 cut-off events. [2022-12-06 06:18:15,223 INFO L131 PetriNetUnfolder]: For 17/17 co-relation queries the response was YES. [2022-12-06 06:18:15,225 INFO L83 FinitePrefix]: Finished finitePrefix Result has 190 conditions, 66 events. 24/66 cut-off events. For 17/17 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 163 event pairs, 10 based on Foata normal form. 8/73 useless extension candidates. Maximal degree in co-relation 176. Up to 29 conditions per place. [2022-12-06 06:18:15,226 INFO L137 encePairwiseOnDemand]: 10/15 looper letters, 18 selfloop transitions, 5 changer transitions 8/32 dead transitions. [2022-12-06 06:18:15,227 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 31 places, 32 transitions, 171 flow [2022-12-06 06:18:15,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-06 06:18:15,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-06 06:18:15,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 39 transitions. [2022-12-06 06:18:15,229 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.43333333333333335 [2022-12-06 06:18:15,229 INFO L175 Difference]: Start difference. First operand has 26 places, 17 transitions, 65 flow. Second operand 6 states and 39 transitions. [2022-12-06 06:18:15,229 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 31 places, 32 transitions, 171 flow [2022-12-06 06:18:15,231 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 28 places, 32 transitions, 152 flow, removed 6 selfloop flow, removed 3 redundant places. [2022-12-06 06:18:15,231 INFO L231 Difference]: Finished difference. Result has 31 places, 17 transitions, 72 flow [2022-12-06 06:18:15,231 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=15, PETRI_DIFFERENCE_MINUEND_FLOW=52, PETRI_DIFFERENCE_MINUEND_PLACES=23, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=17, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=12, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=72, PETRI_PLACES=31, PETRI_TRANSITIONS=17} [2022-12-06 06:18:15,232 INFO L294 CegarLoopForPetriNet]: 28 programPoint places, 3 predicate places. [2022-12-06 06:18:15,233 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 06:18:15,233 INFO L89 Accepts]: Start accepts. Operand has 31 places, 17 transitions, 72 flow [2022-12-06 06:18:15,234 INFO L95 Accepts]: Finished accepts. [2022-12-06 06:18:15,235 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 06:18:15,236 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 31 places, 17 transitions, 72 flow [2022-12-06 06:18:15,237 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 29 places, 17 transitions, 72 flow [2022-12-06 06:18:15,240 INFO L130 PetriNetUnfolder]: 1/17 cut-off events. [2022-12-06 06:18:15,241 INFO L131 PetriNetUnfolder]: For 10/10 co-relation queries the response was YES. [2022-12-06 06:18:15,241 INFO L83 FinitePrefix]: Finished finitePrefix Result has 45 conditions, 17 events. 1/17 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 10 event pairs, 0 based on Foata normal form. 0/17 useless extension candidates. Maximal degree in co-relation 33. Up to 6 conditions per place. [2022-12-06 06:18:15,242 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 29 places, 17 transitions, 72 flow [2022-12-06 06:18:15,242 INFO L188 LiptonReduction]: Number of co-enabled transitions 46 [2022-12-06 06:18:15,608 INFO L203 LiptonReduction]: Total number of compositions: 2 [2022-12-06 06:18:15,610 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 377 [2022-12-06 06:18:15,610 INFO L495 AbstractCegarLoop]: Abstraction has has 27 places, 15 transitions, 68 flow [2022-12-06 06:18:15,610 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 06:18:15,610 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 06:18:15,610 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 06:18:15,610 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-06 06:18:15,611 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-06 06:18:15,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 06:18:15,614 INFO L85 PathProgramCache]: Analyzing trace with hash -1011507192, now seen corresponding path program 1 times [2022-12-06 06:18:15,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 06:18:15,614 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177945153] [2022-12-06 06:18:15,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 06:18:15,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 06:18:15,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 06:18:16,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 06:18:16,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 06:18:16,114 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177945153] [2022-12-06 06:18:16,115 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [177945153] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 06:18:16,115 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 06:18:16,115 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-06 06:18:16,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035303959] [2022-12-06 06:18:16,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 06:18:16,116 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-06 06:18:16,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 06:18:16,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-06 06:18:16,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-06 06:18:16,117 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 1 out of 13 [2022-12-06 06:18:16,117 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 27 places, 15 transitions, 68 flow. Second operand has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 06:18:16,117 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 06:18:16,117 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1 of 13 [2022-12-06 06:18:16,118 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 06:18:16,216 INFO L130 PetriNetUnfolder]: 23/73 cut-off events. [2022-12-06 06:18:16,216 INFO L131 PetriNetUnfolder]: For 80/80 co-relation queries the response was YES. [2022-12-06 06:18:16,217 INFO L83 FinitePrefix]: Finished finitePrefix Result has 221 conditions, 73 events. 23/73 cut-off events. For 80/80 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 230 event pairs, 5 based on Foata normal form. 1/74 useless extension candidates. Maximal degree in co-relation 205. Up to 25 conditions per place. [2022-12-06 06:18:16,217 INFO L137 encePairwiseOnDemand]: 8/13 looper letters, 23 selfloop transitions, 5 changer transitions 9/38 dead transitions. [2022-12-06 06:18:16,217 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 32 places, 38 transitions, 247 flow [2022-12-06 06:18:16,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-06 06:18:16,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-06 06:18:16,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 38 transitions. [2022-12-06 06:18:16,218 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.48717948717948717 [2022-12-06 06:18:16,218 INFO L175 Difference]: Start difference. First operand has 27 places, 15 transitions, 68 flow. Second operand 6 states and 38 transitions. [2022-12-06 06:18:16,218 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 32 places, 38 transitions, 247 flow [2022-12-06 06:18:16,219 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 27 places, 38 transitions, 208 flow, removed 12 selfloop flow, removed 5 redundant places. [2022-12-06 06:18:16,220 INFO L231 Difference]: Finished difference. Result has 31 places, 19 transitions, 93 flow [2022-12-06 06:18:16,220 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=13, PETRI_DIFFERENCE_MINUEND_FLOW=52, PETRI_DIFFERENCE_MINUEND_PLACES=22, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=15, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=10, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=93, PETRI_PLACES=31, PETRI_TRANSITIONS=19} [2022-12-06 06:18:16,221 INFO L294 CegarLoopForPetriNet]: 28 programPoint places, 3 predicate places. [2022-12-06 06:18:16,221 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 06:18:16,221 INFO L89 Accepts]: Start accepts. Operand has 31 places, 19 transitions, 93 flow [2022-12-06 06:18:16,221 INFO L95 Accepts]: Finished accepts. [2022-12-06 06:18:16,221 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 06:18:16,222 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 31 places, 19 transitions, 93 flow [2022-12-06 06:18:16,222 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 30 places, 19 transitions, 93 flow [2022-12-06 06:18:16,226 INFO L130 PetriNetUnfolder]: 3/27 cut-off events. [2022-12-06 06:18:16,226 INFO L131 PetriNetUnfolder]: For 18/18 co-relation queries the response was YES. [2022-12-06 06:18:16,226 INFO L83 FinitePrefix]: Finished finitePrefix Result has 75 conditions, 27 events. 3/27 cut-off events. For 18/18 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 49 event pairs, 0 based on Foata normal form. 0/27 useless extension candidates. Maximal degree in co-relation 62. Up to 8 conditions per place. [2022-12-06 06:18:16,226 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 30 places, 19 transitions, 93 flow [2022-12-06 06:18:16,226 INFO L188 LiptonReduction]: Number of co-enabled transitions 44 [2022-12-06 06:18:16,227 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 06:18:16,228 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 7 [2022-12-06 06:18:16,228 INFO L495 AbstractCegarLoop]: Abstraction has has 30 places, 19 transitions, 93 flow [2022-12-06 06:18:16,228 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 06:18:16,228 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 06:18:16,228 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 06:18:16,228 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-06 06:18:16,228 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-06 06:18:16,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 06:18:16,228 INFO L85 PathProgramCache]: Analyzing trace with hash -2135268054, now seen corresponding path program 2 times [2022-12-06 06:18:16,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 06:18:16,229 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783516664] [2022-12-06 06:18:16,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 06:18:16,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 06:18:16,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 06:18:16,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 06:18:16,359 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 06:18:16,359 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783516664] [2022-12-06 06:18:16,359 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [783516664] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 06:18:16,360 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 06:18:16,360 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-06 06:18:16,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513367779] [2022-12-06 06:18:16,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 06:18:16,360 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-06 06:18:16,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 06:18:16,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-06 06:18:16,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-06 06:18:16,361 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 13 [2022-12-06 06:18:16,361 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 30 places, 19 transitions, 93 flow. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 06:18:16,361 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 06:18:16,361 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 13 [2022-12-06 06:18:16,361 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 06:18:16,410 INFO L130 PetriNetUnfolder]: 30/91 cut-off events. [2022-12-06 06:18:16,410 INFO L131 PetriNetUnfolder]: For 80/80 co-relation queries the response was YES. [2022-12-06 06:18:16,410 INFO L83 FinitePrefix]: Finished finitePrefix Result has 299 conditions, 91 events. 30/91 cut-off events. For 80/80 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 300 event pairs, 7 based on Foata normal form. 2/93 useless extension candidates. Maximal degree in co-relation 290. Up to 34 conditions per place. [2022-12-06 06:18:16,411 INFO L137 encePairwiseOnDemand]: 8/13 looper letters, 15 selfloop transitions, 6 changer transitions 11/32 dead transitions. [2022-12-06 06:18:16,411 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 34 places, 32 transitions, 209 flow [2022-12-06 06:18:16,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-06 06:18:16,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-12-06 06:18:16,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 26 transitions. [2022-12-06 06:18:16,412 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.4 [2022-12-06 06:18:16,412 INFO L175 Difference]: Start difference. First operand has 30 places, 19 transitions, 93 flow. Second operand 5 states and 26 transitions. [2022-12-06 06:18:16,412 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 34 places, 32 transitions, 209 flow [2022-12-06 06:18:16,413 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 33 places, 32 transitions, 206 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-06 06:18:16,413 INFO L231 Difference]: Finished difference. Result has 34 places, 18 transitions, 96 flow [2022-12-06 06:18:16,413 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=13, PETRI_DIFFERENCE_MINUEND_FLOW=80, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=18, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=14, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=96, PETRI_PLACES=34, PETRI_TRANSITIONS=18} [2022-12-06 06:18:16,414 INFO L294 CegarLoopForPetriNet]: 28 programPoint places, 6 predicate places. [2022-12-06 06:18:16,414 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 06:18:16,414 INFO L89 Accepts]: Start accepts. Operand has 34 places, 18 transitions, 96 flow [2022-12-06 06:18:16,414 INFO L95 Accepts]: Finished accepts. [2022-12-06 06:18:16,414 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 06:18:16,415 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 34 places, 18 transitions, 96 flow [2022-12-06 06:18:16,415 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 33 places, 18 transitions, 96 flow [2022-12-06 06:18:16,419 INFO L130 PetriNetUnfolder]: 3/30 cut-off events. [2022-12-06 06:18:16,419 INFO L131 PetriNetUnfolder]: For 28/28 co-relation queries the response was YES. [2022-12-06 06:18:16,419 INFO L83 FinitePrefix]: Finished finitePrefix Result has 90 conditions, 30 events. 3/30 cut-off events. For 28/28 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 63 event pairs, 0 based on Foata normal form. 0/30 useless extension candidates. Maximal degree in co-relation 75. Up to 8 conditions per place. [2022-12-06 06:18:16,419 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 33 places, 18 transitions, 96 flow [2022-12-06 06:18:16,419 INFO L188 LiptonReduction]: Number of co-enabled transitions 32 Received shutdown request... [2022-12-06 06:32:54,656 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2022-12-06 06:32:54,678 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-06 06:32:54,678 WARN L619 AbstractCegarLoop]: Verification canceled: while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-2-2-1 context. [2022-12-06 06:32:54,679 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location P0Err0ASSERT_VIOLATIONERROR_FUNCTION (3 of 5 remaining) [2022-12-06 06:32:54,679 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2022-12-06 06:32:54,680 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2022-12-06 06:32:54,680 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location P0Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 5 remaining) [2022-12-06 06:32:54,680 INFO L458 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1] [2022-12-06 06:32:54,683 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-06 06:32:54,692 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-12-06 06:32:54,692 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-06 06:32:54,696 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 06:32:54 BasicIcfg [2022-12-06 06:32:54,696 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-06 06:32:54,696 INFO L158 Benchmark]: Toolchain (without parser) took 885628.21ms. Allocated memory was 179.3MB in the beginning and 1.4GB in the end (delta: 1.2GB). Free memory was 154.2MB in the beginning and 1.1GB in the end (delta: -965.4MB). Peak memory consumption was 841.2MB. Max. memory is 8.0GB. [2022-12-06 06:32:54,696 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 179.3MB. Free memory is still 155.4MB. There was no memory consumed. Max. memory is 8.0GB. [2022-12-06 06:32:54,698 INFO L158 Benchmark]: CACSL2BoogieTranslator took 532.04ms. Allocated memory is still 179.3MB. Free memory was 154.2MB in the beginning and 129.4MB in the end (delta: 24.8MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. [2022-12-06 06:32:54,699 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.40ms. Allocated memory is still 179.3MB. Free memory was 128.9MB in the beginning and 126.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-12-06 06:32:54,699 INFO L158 Benchmark]: Boogie Preprocessor took 32.48ms. Allocated memory is still 179.3MB. Free memory was 126.8MB in the beginning and 124.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-12-06 06:32:54,699 INFO L158 Benchmark]: RCFGBuilder took 628.94ms. Allocated memory is still 179.3MB. Free memory was 124.7MB in the beginning and 93.7MB in the end (delta: 30.9MB). Peak memory consumption was 31.5MB. Max. memory is 8.0GB. [2022-12-06 06:32:54,701 INFO L158 Benchmark]: TraceAbstraction took 884367.92ms. Allocated memory was 179.3MB in the beginning and 1.4GB in the end (delta: 1.2GB). Free memory was 93.2MB in the beginning and 1.1GB in the end (delta: -1.0GB). Peak memory consumption was 780.3MB. Max. memory is 8.0GB. [2022-12-06 06:32:54,702 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 179.3MB. Free memory is still 155.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 532.04ms. Allocated memory is still 179.3MB. Free memory was 154.2MB in the beginning and 129.4MB in the end (delta: 24.8MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 60.40ms. Allocated memory is still 179.3MB. Free memory was 128.9MB in the beginning and 126.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 32.48ms. Allocated memory is still 179.3MB. Free memory was 126.8MB in the beginning and 124.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 628.94ms. Allocated memory is still 179.3MB. Free memory was 124.7MB in the beginning and 93.7MB in the end (delta: 30.9MB). Peak memory consumption was 31.5MB. Max. memory is 8.0GB. * TraceAbstraction took 884367.92ms. Allocated memory was 179.3MB in the beginning and 1.4GB in the end (delta: 1.2GB). Free memory was 93.2MB in the beginning and 1.1GB in the end (delta: -1.0GB). Peak memory consumption was 780.3MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3.4s, 93 PlacesBefore, 28 PlacesAfterwards, 88 TransitionsBefore, 22 TransitionsAfterwards, 1104 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 36 TrivialYvCompositions, 32 ConcurrentYvCompositions, 1 ChoiceCompositions, 70 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 947, independent: 899, independent conditional: 899, independent unconditional: 0, dependent: 48, dependent conditional: 48, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 947, independent: 899, independent conditional: 0, independent unconditional: 899, dependent: 48, dependent conditional: 0, dependent unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 947, independent: 899, independent conditional: 0, independent unconditional: 899, dependent: 48, dependent conditional: 0, dependent unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 947, independent: 899, independent conditional: 0, independent unconditional: 899, dependent: 48, dependent conditional: 0, dependent unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 742, independent: 710, independent conditional: 0, independent unconditional: 710, dependent: 32, dependent conditional: 0, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 742, independent: 701, independent conditional: 0, independent unconditional: 701, dependent: 41, dependent conditional: 0, dependent unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 41, independent: 9, independent conditional: 0, independent unconditional: 9, dependent: 32, dependent conditional: 0, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 130, independent: 10, independent conditional: 0, independent unconditional: 10, dependent: 121, dependent conditional: 0, dependent unconditional: 121, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 947, independent: 189, independent conditional: 0, independent unconditional: 189, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 742, unknown conditional: 0, unknown unconditional: 742] , Statistics on independence cache: Total cache size (in pairs): 1075, Positive cache size: 1043, Positive conditional cache size: 0, Positive unconditional cache size: 1043, Negative cache size: 32, Negative conditional cache size: 0, Negative unconditional cache size: 32, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.1s, 23 PlacesBefore, 23 PlacesAfterwards, 16 TransitionsBefore, 16 TransitionsAfterwards, 110 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 59, independent: 41, independent conditional: 41, independent unconditional: 0, dependent: 18, dependent conditional: 18, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 59, independent: 41, independent conditional: 10, independent unconditional: 31, dependent: 18, dependent conditional: 7, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 59, independent: 41, independent conditional: 10, independent unconditional: 31, dependent: 18, dependent conditional: 7, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 59, independent: 41, independent conditional: 10, independent unconditional: 31, dependent: 18, dependent conditional: 7, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 53, independent: 38, independent conditional: 10, independent unconditional: 28, dependent: 15, dependent conditional: 6, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 53, independent: 38, independent conditional: 0, independent unconditional: 38, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 15, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 15, dependent conditional: 6, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 53, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 53, dependent conditional: 28, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 59, independent: 3, independent conditional: 0, independent unconditional: 3, dependent: 3, dependent conditional: 1, dependent unconditional: 2, unknown: 53, unknown conditional: 16, unknown unconditional: 37] , Statistics on independence cache: Total cache size (in pairs): 53, Positive cache size: 38, Positive conditional cache size: 10, Positive unconditional cache size: 28, Negative cache size: 15, Negative conditional cache size: 6, Negative unconditional cache size: 9, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 24 PlacesBefore, 23 PlacesAfterwards, 16 TransitionsBefore, 15 TransitionsAfterwards, 106 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 81, independent: 52, independent conditional: 52, independent unconditional: 0, dependent: 29, dependent conditional: 29, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 81, independent: 52, independent conditional: 19, independent unconditional: 33, dependent: 29, dependent conditional: 4, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 81, independent: 52, independent conditional: 0, independent unconditional: 52, dependent: 29, dependent conditional: 0, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 81, independent: 52, independent conditional: 0, independent unconditional: 52, dependent: 29, dependent conditional: 0, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 19, independent: 11, independent conditional: 0, independent unconditional: 11, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 19, independent: 11, independent conditional: 0, independent unconditional: 11, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 8, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 28, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 28, dependent conditional: 0, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 81, independent: 41, independent conditional: 0, independent unconditional: 41, dependent: 21, dependent conditional: 0, dependent unconditional: 21, unknown: 19, unknown conditional: 0, unknown unconditional: 19] , Statistics on independence cache: Total cache size (in pairs): 77, Positive cache size: 54, Positive conditional cache size: 12, Positive unconditional cache size: 42, Negative cache size: 23, Negative conditional cache size: 6, Negative unconditional cache size: 17, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 23, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 26 PlacesBefore, 26 PlacesAfterwards, 17 TransitionsBefore, 17 TransitionsAfterwards, 84 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 34, independent: 23, independent conditional: 23, independent unconditional: 0, dependent: 11, dependent conditional: 11, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 34, independent: 23, independent conditional: 0, independent unconditional: 23, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 34, independent: 23, independent conditional: 0, independent unconditional: 23, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 34, independent: 23, independent conditional: 0, independent unconditional: 23, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 10, independent: 5, independent conditional: 0, independent unconditional: 5, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 10, independent: 5, independent conditional: 0, independent unconditional: 5, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 5, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 24, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 24, dependent conditional: 0, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 34, independent: 18, independent conditional: 0, independent unconditional: 18, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 10, unknown conditional: 0, unknown unconditional: 10] , Statistics on independence cache: Total cache size (in pairs): 87, Positive cache size: 59, Positive conditional cache size: 12, Positive unconditional cache size: 47, Negative cache size: 28, Negative conditional cache size: 6, Negative unconditional cache size: 22, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.4s, 29 PlacesBefore, 27 PlacesAfterwards, 17 TransitionsBefore, 15 TransitionsAfterwards, 46 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 2 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 58, independent: 34, independent conditional: 34, independent unconditional: 0, dependent: 24, dependent conditional: 24, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 58, independent: 34, independent conditional: 0, independent unconditional: 34, dependent: 24, dependent conditional: 0, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 58, independent: 34, independent conditional: 0, independent unconditional: 34, dependent: 24, dependent conditional: 0, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 58, independent: 34, independent conditional: 0, independent unconditional: 34, dependent: 24, dependent conditional: 0, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 58, independent: 33, independent conditional: 0, independent unconditional: 33, dependent: 24, dependent conditional: 0, dependent unconditional: 24, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 88, Positive cache size: 60, Positive conditional cache size: 12, Positive unconditional cache size: 48, Negative cache size: 28, Negative conditional cache size: 6, Negative unconditional cache size: 22, 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, 30 PlacesBefore, 30 PlacesAfterwards, 19 TransitionsBefore, 19 TransitionsAfterwards, 44 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 20, independent: 10, independent conditional: 10, independent unconditional: 0, dependent: 10, dependent conditional: 10, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 20, independent: 10, independent conditional: 2, independent unconditional: 8, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 20, independent: 10, independent conditional: 2, independent unconditional: 8, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 20, independent: 10, independent conditional: 2, independent unconditional: 8, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 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: 20, independent: 10, independent conditional: 2, independent unconditional: 8, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 88, Positive cache size: 60, Positive conditional cache size: 12, Positive unconditional cache size: 48, Negative cache size: 28, Negative conditional cache size: 6, Negative unconditional cache size: 22, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0 - TimeoutResultAtElement [Line: 18]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-2-2-1 context. - TimeoutResultAtElement [Line: 18]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-2-2-1 context. - TimeoutResultAtElement [Line: 815]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-2-2-1 context. - TimeoutResultAtElement [Line: 813]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-2-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 109 locations, 5 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 884.3s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.5s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 77 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 77 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 316 IncrementalHoareTripleChecker+Invalid, 328 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 2 mSDtfsCounter, 316 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=96occurred in iteration=6, InterpolantAutomatonStates: 28, 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, 1.1s InterpolantComputationTime, 55 NumberOfCodeBlocks, 55 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 49 ConstructedInterpolants, 0 QuantifiedInterpolants, 274 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown