/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe022_tso.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-8d0d62b [2022-12-06 04:32:09,383 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-06 04:32:09,385 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-06 04:32:09,429 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-06 04:32:09,431 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-06 04:32:09,434 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-06 04:32:09,436 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-06 04:32:09,440 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-06 04:32:09,445 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-06 04:32:09,449 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-06 04:32:09,450 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-06 04:32:09,451 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-06 04:32:09,451 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-06 04:32:09,452 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-06 04:32:09,453 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-06 04:32:09,453 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-06 04:32:09,454 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-06 04:32:09,455 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-06 04:32:09,456 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-06 04:32:09,457 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-06 04:32:09,458 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-06 04:32:09,460 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-06 04:32:09,461 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-06 04:32:09,462 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-06 04:32:09,465 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-06 04:32:09,465 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-06 04:32:09,465 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-06 04:32:09,466 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-06 04:32:09,466 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-06 04:32:09,467 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-06 04:32:09,468 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-06 04:32:09,468 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-06 04:32:09,469 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-06 04:32:09,470 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-06 04:32:09,470 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-06 04:32:09,471 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-06 04:32:09,477 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-06 04:32:09,478 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-06 04:32:09,478 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-06 04:32:09,479 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-06 04:32:09,480 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-06 04:32:09,483 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf [2022-12-06 04:32:09,523 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-06 04:32:09,524 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-06 04:32:09,525 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-06 04:32:09,525 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-06 04:32:09,525 INFO L138 SettingsManager]: * Use SBE=true [2022-12-06 04:32:09,526 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-06 04:32:09,526 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-06 04:32:09,526 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-06 04:32:09,527 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-06 04:32:09,527 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-06 04:32:09,527 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-06 04:32:09,528 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-06 04:32:09,528 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-06 04:32:09,528 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-06 04:32:09,528 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-06 04:32:09,528 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-06 04:32:09,528 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-06 04:32:09,529 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-06 04:32:09,529 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-06 04:32:09,529 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-06 04:32:09,529 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-06 04:32:09,529 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 04:32:09,529 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-06 04:32:09,529 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-06 04:32:09,530 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-06 04:32:09,530 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-06 04:32:09,530 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-06 04:32:09,530 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=REPEATED_LIPTON_PN [2022-12-06 04:32:09,530 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-12-06 04:32:09,797 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-06 04:32:09,824 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-06 04:32:09,828 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-06 04:32:09,828 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-06 04:32:09,831 INFO L275 PluginConnector]: CDTParser initialized [2022-12-06 04:32:09,832 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe022_tso.i [2022-12-06 04:32:10,957 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-06 04:32:11,225 INFO L351 CDTParser]: Found 1 translation units. [2022-12-06 04:32:11,226 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe022_tso.i [2022-12-06 04:32:11,237 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/39b8e66c5/8ae779c755ec457e928fa96c84171593/FLAG8ce79d1a5 [2022-12-06 04:32:11,259 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/39b8e66c5/8ae779c755ec457e928fa96c84171593 [2022-12-06 04:32:11,262 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-06 04:32:11,263 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-06 04:32:11,265 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-06 04:32:11,265 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-06 04:32:11,267 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-06 04:32:11,268 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:32:11" (1/1) ... [2022-12-06 04:32:11,269 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22c5d193 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:32:11, skipping insertion in model container [2022-12-06 04:32:11,269 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:32:11" (1/1) ... [2022-12-06 04:32:11,275 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-06 04:32:11,314 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-06 04:32:11,458 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/safe022_tso.i[945,958] [2022-12-06 04:32:11,601 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:32:11,602 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:32:11,602 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:32:11,602 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:32:11,603 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:32:11,603 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:32:11,603 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:32:11,604 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:32:11,605 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:32:11,605 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:32:11,605 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:32:11,606 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:32:11,606 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:32:11,606 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:32:11,606 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:32:11,606 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:32:11,614 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:32:11,615 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:32:11,616 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:32:11,616 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:32:11,616 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:32:11,619 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:32:11,619 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 04:32:11,628 INFO L203 MainTranslator]: Completed pre-run [2022-12-06 04:32:11,644 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/safe022_tso.i[945,958] [2022-12-06 04:32:11,670 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:32:11,671 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:32:11,671 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:32:11,671 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:32:11,671 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:32:11,671 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:32:11,672 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:32:11,672 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:32:11,672 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:32:11,673 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:32:11,673 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:32:11,673 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:32:11,673 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:32:11,674 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:32:11,674 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:32:11,674 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:32:11,677 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:32:11,677 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:32:11,677 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:32:11,678 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:32:11,678 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:32:11,678 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:32:11,679 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 04:32:11,724 INFO L208 MainTranslator]: Completed translation [2022-12-06 04:32:11,725 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:32:11 WrapperNode [2022-12-06 04:32:11,725 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-06 04:32:11,726 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-06 04:32:11,726 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-06 04:32:11,727 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-06 04:32:11,732 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:32:11" (1/1) ... [2022-12-06 04:32:11,762 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:32:11" (1/1) ... [2022-12-06 04:32:11,785 INFO L138 Inliner]: procedures = 175, calls = 40, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 59 [2022-12-06 04:32:11,785 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-06 04:32:11,788 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-06 04:32:11,788 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-06 04:32:11,788 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-06 04:32:11,795 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:32:11" (1/1) ... [2022-12-06 04:32:11,795 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:32:11" (1/1) ... [2022-12-06 04:32:11,800 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:32:11" (1/1) ... [2022-12-06 04:32:11,800 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:32:11" (1/1) ... [2022-12-06 04:32:11,816 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:32:11" (1/1) ... [2022-12-06 04:32:11,818 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:32:11" (1/1) ... [2022-12-06 04:32:11,819 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:32:11" (1/1) ... [2022-12-06 04:32:11,820 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:32:11" (1/1) ... [2022-12-06 04:32:11,822 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-06 04:32:11,822 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-06 04:32:11,823 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-06 04:32:11,823 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-06 04:32:11,823 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:32:11" (1/1) ... [2022-12-06 04:32:11,836 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 04:32:11,848 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-06 04:32:11,865 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-06 04:32:11,875 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-06 04:32:11,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-06 04:32:11,904 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-06 04:32:11,904 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-06 04:32:11,904 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-06 04:32:11,904 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-06 04:32:11,904 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-12-06 04:32:11,905 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-12-06 04:32:11,905 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-12-06 04:32:11,905 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-12-06 04:32:11,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-06 04:32:11,905 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-06 04:32:11,905 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-06 04:32:11,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-06 04:32:11,907 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2022-12-06 04:32:12,039 INFO L236 CfgBuilder]: Building ICFG [2022-12-06 04:32:12,042 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-06 04:32:12,169 INFO L277 CfgBuilder]: Performing block encoding [2022-12-06 04:32:12,174 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-06 04:32:12,174 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-06 04:32:12,176 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:32:12 BoogieIcfgContainer [2022-12-06 04:32:12,176 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-06 04:32:12,179 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-06 04:32:12,179 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-06 04:32:12,182 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-06 04:32:12,182 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 04:32:11" (1/3) ... [2022-12-06 04:32:12,183 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77256d09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 04:32:12, skipping insertion in model container [2022-12-06 04:32:12,183 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:32:11" (2/3) ... [2022-12-06 04:32:12,183 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77256d09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 04:32:12, skipping insertion in model container [2022-12-06 04:32:12,183 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:32:12" (3/3) ... [2022-12-06 04:32:12,184 INFO L112 eAbstractionObserver]: Analyzing ICFG safe022_tso.i [2022-12-06 04:32:12,201 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-06 04:32:12,201 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-06 04:32:12,202 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-06 04:32:12,242 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-06 04:32:12,275 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 73 places, 68 transitions, 146 flow [2022-12-06 04:32:12,308 INFO L130 PetriNetUnfolder]: 2/66 cut-off events. [2022-12-06 04:32:12,308 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 04:32:12,312 INFO L83 FinitePrefix]: Finished finitePrefix Result has 73 conditions, 66 events. 2/66 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 36 event pairs, 0 based on Foata normal form. 0/63 useless extension candidates. Maximal degree in co-relation 47. Up to 2 conditions per place. [2022-12-06 04:32:12,312 INFO L82 GeneralOperation]: Start removeDead. Operand has 73 places, 68 transitions, 146 flow [2022-12-06 04:32:12,315 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 62 places, 56 transitions, 118 flow [2022-12-06 04:32:12,316 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 04:32:12,331 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 62 places, 56 transitions, 118 flow [2022-12-06 04:32:12,335 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 62 places, 56 transitions, 118 flow [2022-12-06 04:32:12,352 INFO L130 PetriNetUnfolder]: 1/56 cut-off events. [2022-12-06 04:32:12,352 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 04:32:12,353 INFO L83 FinitePrefix]: Finished finitePrefix Result has 63 conditions, 56 events. 1/56 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 27 event pairs, 0 based on Foata normal form. 0/55 useless extension candidates. Maximal degree in co-relation 37. Up to 2 conditions per place. [2022-12-06 04:32:12,354 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 62 places, 56 transitions, 118 flow [2022-12-06 04:32:12,355 INFO L188 LiptonReduction]: Number of co-enabled transitions 540 [2022-12-06 04:32:14,321 INFO L203 LiptonReduction]: Total number of compositions: 44 [2022-12-06 04:32:14,335 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-06 04:32:14,340 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;@4b60eb0f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-06 04:32:14,340 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-12-06 04:32:14,343 INFO L130 PetriNetUnfolder]: 0/8 cut-off events. [2022-12-06 04:32:14,343 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 04:32:14,343 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 04:32:14,344 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2022-12-06 04:32:14,344 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-06 04:32:14,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 04:32:14,348 INFO L85 PathProgramCache]: Analyzing trace with hash -1567709208, now seen corresponding path program 1 times [2022-12-06 04:32:14,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 04:32:14,357 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [524697589] [2022-12-06 04:32:14,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 04:32:14,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 04:32:14,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 04:32:14,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 04:32:14,735 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 04:32:14,736 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [524697589] [2022-12-06 04:32:14,736 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [524697589] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 04:32:14,736 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 04:32:14,737 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-06 04:32:14,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921319709] [2022-12-06 04:32:14,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 04:32:14,754 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-06 04:32:14,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 04:32:14,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-06 04:32:14,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-06 04:32:14,777 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 2 out of 13 [2022-12-06 04:32:14,779 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 19 places, 13 transitions, 32 flow. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 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 04:32:14,780 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 04:32:14,780 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 2 of 13 [2022-12-06 04:32:14,781 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 04:32:14,837 INFO L130 PetriNetUnfolder]: 27/65 cut-off events. [2022-12-06 04:32:14,837 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 04:32:14,838 INFO L83 FinitePrefix]: Finished finitePrefix Result has 135 conditions, 65 events. 27/65 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 185 event pairs, 9 based on Foata normal form. 3/67 useless extension candidates. Maximal degree in co-relation 125. Up to 40 conditions per place. [2022-12-06 04:32:14,840 INFO L137 encePairwiseOnDemand]: 9/13 looper letters, 11 selfloop transitions, 2 changer transitions 0/15 dead transitions. [2022-12-06 04:32:14,843 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 21 places, 15 transitions, 62 flow [2022-12-06 04:32:14,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-06 04:32:14,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-06 04:32:14,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 22 transitions. [2022-12-06 04:32:14,858 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5641025641025641 [2022-12-06 04:32:14,860 INFO L175 Difference]: Start difference. First operand has 19 places, 13 transitions, 32 flow. Second operand 3 states and 22 transitions. [2022-12-06 04:32:14,861 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 21 places, 15 transitions, 62 flow [2022-12-06 04:32:14,864 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 19 places, 15 transitions, 60 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-12-06 04:32:14,866 INFO L231 Difference]: Finished difference. Result has 20 places, 12 transitions, 36 flow [2022-12-06 04:32:14,867 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=13, PETRI_DIFFERENCE_MINUEND_FLOW=28, PETRI_DIFFERENCE_MINUEND_PLACES=17, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=12, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=10, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=36, PETRI_PLACES=20, PETRI_TRANSITIONS=12} [2022-12-06 04:32:14,872 INFO L294 CegarLoopForPetriNet]: 19 programPoint places, 1 predicate places. [2022-12-06 04:32:14,873 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 04:32:14,873 INFO L89 Accepts]: Start accepts. Operand has 20 places, 12 transitions, 36 flow [2022-12-06 04:32:14,876 INFO L95 Accepts]: Finished accepts. [2022-12-06 04:32:14,876 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 04:32:14,876 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 20 places, 12 transitions, 36 flow [2022-12-06 04:32:14,879 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 20 places, 12 transitions, 36 flow [2022-12-06 04:32:14,883 INFO L130 PetriNetUnfolder]: 0/12 cut-off events. [2022-12-06 04:32:14,883 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 04:32:14,883 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23 conditions, 12 events. 0/12 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 9 event pairs, 0 based on Foata normal form. 0/12 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2022-12-06 04:32:14,883 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 20 places, 12 transitions, 36 flow [2022-12-06 04:32:14,883 INFO L188 LiptonReduction]: Number of co-enabled transitions 52 [2022-12-06 04:32:14,896 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 04:32:14,899 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 26 [2022-12-06 04:32:14,899 INFO L495 AbstractCegarLoop]: Abstraction has has 20 places, 12 transitions, 36 flow [2022-12-06 04:32:14,899 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 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 04:32:14,899 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 04:32:14,899 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-06 04:32:14,900 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-06 04:32:14,903 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-06 04:32:14,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 04:32:14,904 INFO L85 PathProgramCache]: Analyzing trace with hash -1354345053, now seen corresponding path program 1 times [2022-12-06 04:32:14,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 04:32:14,904 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1896982922] [2022-12-06 04:32:14,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 04:32:14,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 04:32:14,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 04:32:15,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 04:32:15,076 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 04:32:15,077 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1896982922] [2022-12-06 04:32:15,077 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1896982922] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 04:32:15,077 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 04:32:15,077 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-06 04:32:15,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152987644] [2022-12-06 04:32:15,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 04:32:15,079 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-06 04:32:15,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 04:32:15,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-06 04:32:15,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-06 04:32:15,080 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 1 out of 12 [2022-12-06 04:32:15,080 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 20 places, 12 transitions, 36 flow. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 04:32:15,080 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 04:32:15,080 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1 of 12 [2022-12-06 04:32:15,080 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 04:32:15,143 INFO L130 PetriNetUnfolder]: 37/90 cut-off events. [2022-12-06 04:32:15,143 INFO L131 PetriNetUnfolder]: For 14/14 co-relation queries the response was YES. [2022-12-06 04:32:15,145 INFO L83 FinitePrefix]: Finished finitePrefix Result has 207 conditions, 90 events. 37/90 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 303 event pairs, 13 based on Foata normal form. 8/98 useless extension candidates. Maximal degree in co-relation 196. Up to 30 conditions per place. [2022-12-06 04:32:15,146 INFO L137 encePairwiseOnDemand]: 8/12 looper letters, 13 selfloop transitions, 3 changer transitions 3/20 dead transitions. [2022-12-06 04:32:15,146 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 23 places, 20 transitions, 95 flow [2022-12-06 04:32:15,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-06 04:32:15,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-12-06 04:32:15,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 25 transitions. [2022-12-06 04:32:15,148 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5208333333333334 [2022-12-06 04:32:15,148 INFO L175 Difference]: Start difference. First operand has 20 places, 12 transitions, 36 flow. Second operand 4 states and 25 transitions. [2022-12-06 04:32:15,148 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 23 places, 20 transitions, 95 flow [2022-12-06 04:32:15,148 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 21 places, 20 transitions, 89 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-12-06 04:32:15,149 INFO L231 Difference]: Finished difference. Result has 23 places, 12 transitions, 46 flow [2022-12-06 04:32:15,149 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=12, PETRI_DIFFERENCE_MINUEND_FLOW=32, PETRI_DIFFERENCE_MINUEND_PLACES=18, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=12, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=9, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=46, PETRI_PLACES=23, PETRI_TRANSITIONS=12} [2022-12-06 04:32:15,150 INFO L294 CegarLoopForPetriNet]: 19 programPoint places, 4 predicate places. [2022-12-06 04:32:15,150 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 04:32:15,150 INFO L89 Accepts]: Start accepts. Operand has 23 places, 12 transitions, 46 flow [2022-12-06 04:32:15,151 INFO L95 Accepts]: Finished accepts. [2022-12-06 04:32:15,151 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 04:32:15,151 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 23 places, 12 transitions, 46 flow [2022-12-06 04:32:15,153 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 23 places, 12 transitions, 46 flow [2022-12-06 04:32:15,158 INFO L130 PetriNetUnfolder]: 0/12 cut-off events. [2022-12-06 04:32:15,158 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-06 04:32:15,158 INFO L83 FinitePrefix]: Finished finitePrefix Result has 30 conditions, 12 events. 0/12 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 9 event pairs, 0 based on Foata normal form. 0/12 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2022-12-06 04:32:15,158 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 23 places, 12 transitions, 46 flow [2022-12-06 04:32:15,158 INFO L188 LiptonReduction]: Number of co-enabled transitions 36 [2022-12-06 04:32:15,191 INFO L203 LiptonReduction]: Total number of compositions: 1 [2022-12-06 04:32:15,192 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 42 [2022-12-06 04:32:15,193 INFO L495 AbstractCegarLoop]: Abstraction has has 22 places, 11 transitions, 44 flow [2022-12-06 04:32:15,193 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 04:32:15,193 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 04:32:15,194 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 04:32:15,194 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-06 04:32:15,195 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-06 04:32:15,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 04:32:15,199 INFO L85 PathProgramCache]: Analyzing trace with hash 964987027, now seen corresponding path program 1 times [2022-12-06 04:32:15,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 04:32:15,200 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365420554] [2022-12-06 04:32:15,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 04:32:15,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 04:32:15,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 04:32:15,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 04:32:15,309 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 04:32:15,309 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [365420554] [2022-12-06 04:32:15,309 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [365420554] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 04:32:15,309 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 04:32:15,310 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-06 04:32:15,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [97289095] [2022-12-06 04:32:15,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 04:32:15,310 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-06 04:32:15,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 04:32:15,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-06 04:32:15,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-06 04:32:15,311 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 1 out of 11 [2022-12-06 04:32:15,312 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 22 places, 11 transitions, 44 flow. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 04:32:15,312 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 04:32:15,312 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1 of 11 [2022-12-06 04:32:15,312 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 04:32:15,341 INFO L130 PetriNetUnfolder]: 11/33 cut-off events. [2022-12-06 04:32:15,341 INFO L131 PetriNetUnfolder]: For 21/21 co-relation queries the response was YES. [2022-12-06 04:32:15,342 INFO L83 FinitePrefix]: Finished finitePrefix Result has 104 conditions, 33 events. 11/33 cut-off events. For 21/21 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 50 event pairs, 4 based on Foata normal form. 3/36 useless extension candidates. Maximal degree in co-relation 91. Up to 23 conditions per place. [2022-12-06 04:32:15,342 INFO L137 encePairwiseOnDemand]: 7/11 looper letters, 12 selfloop transitions, 3 changer transitions 0/16 dead transitions. [2022-12-06 04:32:15,342 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 24 places, 16 transitions, 90 flow [2022-12-06 04:32:15,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-06 04:32:15,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-06 04:32:15,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 19 transitions. [2022-12-06 04:32:15,345 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5757575757575758 [2022-12-06 04:32:15,345 INFO L175 Difference]: Start difference. First operand has 22 places, 11 transitions, 44 flow. Second operand 3 states and 19 transitions. [2022-12-06 04:32:15,345 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 24 places, 16 transitions, 90 flow [2022-12-06 04:32:15,346 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 20 places, 16 transitions, 76 flow, removed 2 selfloop flow, removed 4 redundant places. [2022-12-06 04:32:15,346 INFO L231 Difference]: Finished difference. Result has 21 places, 13 transitions, 51 flow [2022-12-06 04:32:15,346 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=11, PETRI_DIFFERENCE_MINUEND_FLOW=32, PETRI_DIFFERENCE_MINUEND_PLACES=18, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=11, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=8, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=51, PETRI_PLACES=21, PETRI_TRANSITIONS=13} [2022-12-06 04:32:15,347 INFO L294 CegarLoopForPetriNet]: 19 programPoint places, 2 predicate places. [2022-12-06 04:32:15,347 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 04:32:15,347 INFO L89 Accepts]: Start accepts. Operand has 21 places, 13 transitions, 51 flow [2022-12-06 04:32:15,348 INFO L95 Accepts]: Finished accepts. [2022-12-06 04:32:15,348 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 04:32:15,348 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 21 places, 13 transitions, 51 flow [2022-12-06 04:32:15,349 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 21 places, 13 transitions, 51 flow [2022-12-06 04:32:15,352 INFO L130 PetriNetUnfolder]: 3/19 cut-off events. [2022-12-06 04:32:15,352 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 04:32:15,352 INFO L83 FinitePrefix]: Finished finitePrefix Result has 44 conditions, 19 events. 3/19 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 23 event pairs, 1 based on Foata normal form. 0/18 useless extension candidates. Maximal degree in co-relation 35. Up to 10 conditions per place. [2022-12-06 04:32:15,352 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 21 places, 13 transitions, 51 flow [2022-12-06 04:32:15,353 INFO L188 LiptonReduction]: Number of co-enabled transitions 22 [2022-12-06 04:32:15,392 INFO L203 LiptonReduction]: Total number of compositions: 1 [2022-12-06 04:32:15,394 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 47 [2022-12-06 04:32:15,394 INFO L495 AbstractCegarLoop]: Abstraction has has 21 places, 13 transitions, 52 flow [2022-12-06 04:32:15,394 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 04:32:15,394 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 04:32:15,394 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 04:32:15,395 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-06 04:32:15,395 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-06 04:32:15,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 04:32:15,395 INFO L85 PathProgramCache]: Analyzing trace with hash 1205925878, now seen corresponding path program 1 times [2022-12-06 04:32:15,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 04:32:15,396 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493738409] [2022-12-06 04:32:15,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 04:32:15,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 04:32:15,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 04:32:15,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 04:32:15,544 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 04:32:15,544 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1493738409] [2022-12-06 04:32:15,544 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1493738409] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 04:32:15,544 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 04:32:15,544 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-06 04:32:15,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004250434] [2022-12-06 04:32:15,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 04:32:15,545 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-06 04:32:15,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 04:32:15,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-06 04:32:15,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-06 04:32:15,547 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 1 out of 12 [2022-12-06 04:32:15,548 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 21 places, 13 transitions, 52 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 04:32:15,548 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 04:32:15,548 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1 of 12 [2022-12-06 04:32:15,548 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 04:32:15,575 INFO L130 PetriNetUnfolder]: 5/23 cut-off events. [2022-12-06 04:32:15,575 INFO L131 PetriNetUnfolder]: For 5/5 co-relation queries the response was YES. [2022-12-06 04:32:15,576 INFO L83 FinitePrefix]: Finished finitePrefix Result has 78 conditions, 23 events. 5/23 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 26 event pairs, 2 based on Foata normal form. 3/26 useless extension candidates. Maximal degree in co-relation 66. Up to 10 conditions per place. [2022-12-06 04:32:15,577 INFO L137 encePairwiseOnDemand]: 7/12 looper letters, 10 selfloop transitions, 5 changer transitions 0/16 dead transitions. [2022-12-06 04:32:15,577 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 24 places, 16 transitions, 92 flow [2022-12-06 04:32:15,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-06 04:32:15,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-12-06 04:32:15,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 20 transitions. [2022-12-06 04:32:15,578 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.4166666666666667 [2022-12-06 04:32:15,578 INFO L175 Difference]: Start difference. First operand has 21 places, 13 transitions, 52 flow. Second operand 4 states and 20 transitions. [2022-12-06 04:32:15,578 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 24 places, 16 transitions, 92 flow [2022-12-06 04:32:15,579 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 22 places, 16 transitions, 84 flow, removed 1 selfloop flow, removed 2 redundant places. [2022-12-06 04:32:15,579 INFO L231 Difference]: Finished difference. Result has 23 places, 13 transitions, 61 flow [2022-12-06 04:32:15,580 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=12, PETRI_DIFFERENCE_MINUEND_FLOW=45, PETRI_DIFFERENCE_MINUEND_PLACES=19, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=13, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=8, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=61, PETRI_PLACES=23, PETRI_TRANSITIONS=13} [2022-12-06 04:32:15,581 INFO L294 CegarLoopForPetriNet]: 19 programPoint places, 4 predicate places. [2022-12-06 04:32:15,581 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 04:32:15,581 INFO L89 Accepts]: Start accepts. Operand has 23 places, 13 transitions, 61 flow [2022-12-06 04:32:15,582 INFO L95 Accepts]: Finished accepts. [2022-12-06 04:32:15,582 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 04:32:15,582 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 23 places, 13 transitions, 61 flow [2022-12-06 04:32:15,583 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 23 places, 13 transitions, 61 flow [2022-12-06 04:32:15,585 INFO L130 PetriNetUnfolder]: 1/15 cut-off events. [2022-12-06 04:32:15,585 INFO L131 PetriNetUnfolder]: For 7/8 co-relation queries the response was YES. [2022-12-06 04:32:15,586 INFO L83 FinitePrefix]: Finished finitePrefix Result has 39 conditions, 15 events. 1/15 cut-off events. For 7/8 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 10 event pairs, 0 based on Foata normal form. 1/15 useless extension candidates. Maximal degree in co-relation 29. Up to 6 conditions per place. [2022-12-06 04:32:15,586 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 23 places, 13 transitions, 61 flow [2022-12-06 04:32:15,586 INFO L188 LiptonReduction]: Number of co-enabled transitions 8 [2022-12-06 04:32:15,589 ERROR L112 fgCompositionFactory]: Composing non-subsequent actions: [210] $Ultimate##0-->L726: Formula: (and (= v_P0Thread1of1ForFork0_~arg.base_13 |v_P0Thread1of1ForFork0_#in~arg.base_13|) (= v_~y~0_35 1) (= v_P0Thread1of1ForFork0_~arg.offset_13 |v_P0Thread1of1ForFork0_#in~arg.offset_13|) (= v_~x~0_40 1)) InVars {P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_13|, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_13|} OutVars{P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_13|, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_13|, ~y~0=v_~y~0_35, ~x~0=v_~x~0_40, P0Thread1of1ForFork0_~arg.base=v_P0Thread1of1ForFork0_~arg.base_13, P0Thread1of1ForFork0_~arg.offset=v_P0Thread1of1ForFork0_~arg.offset_13} AuxVars[] AssignedVars[~y~0, ~x~0, P0Thread1of1ForFork0_~arg.base, P0Thread1of1ForFork0_~arg.offset] and [199] $Ultimate##0-->L738: Formula: (and (= |v_P1Thread1of1ForFork1_#in~arg.offset_5| v_P1Thread1of1ForFork1_~arg.offset_5) (= v_P1Thread1of1ForFork1_~arg.base_5 |v_P1Thread1of1ForFork1_#in~arg.base_5|) (= v_~x~0_20 v_~__unbuffered_p1_EAX~0_24)) InVars {P1Thread1of1ForFork1_#in~arg.base=|v_P1Thread1of1ForFork1_#in~arg.base_5|, P1Thread1of1ForFork1_#in~arg.offset=|v_P1Thread1of1ForFork1_#in~arg.offset_5|, ~x~0=v_~x~0_20} OutVars{P1Thread1of1ForFork1_~arg.offset=v_P1Thread1of1ForFork1_~arg.offset_5, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_24, P1Thread1of1ForFork1_~arg.base=v_P1Thread1of1ForFork1_~arg.base_5, P1Thread1of1ForFork1_#in~arg.base=|v_P1Thread1of1ForFork1_#in~arg.base_5|, P1Thread1of1ForFork1_#in~arg.offset=|v_P1Thread1of1ForFork1_#in~arg.offset_5|, ~x~0=v_~x~0_20} AuxVars[] AssignedVars[P1Thread1of1ForFork1_~arg.offset, ~__unbuffered_p1_EAX~0, P1Thread1of1ForFork1_~arg.base] [2022-12-06 04:32:15,624 ERROR L112 fgCompositionFactory]: Composing non-subsequent actions: [211] $Ultimate##0-->P0EXIT: Formula: (and (= 0 |v_P0Thread1of1ForFork0_#res.offset_19|) (= v_~y~0_41 1) (= |v_P0Thread1of1ForFork0_#res.base_19| 0) (= v_~x~0_42 1) (= v_~__unbuffered_cnt~0_115 (+ v_~__unbuffered_cnt~0_116 1)) (= v_P0Thread1of1ForFork0_~arg.offset_15 |v_P0Thread1of1ForFork0_#in~arg.offset_15|) (= v_P0Thread1of1ForFork0_~arg.base_15 |v_P0Thread1of1ForFork0_#in~arg.base_15|)) InVars {P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_15|, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_15|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_116} OutVars{P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_15|, P0Thread1of1ForFork0_#res.offset=|v_P0Thread1of1ForFork0_#res.offset_19|, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_15|, P0Thread1of1ForFork0_#res.base=|v_P0Thread1of1ForFork0_#res.base_19|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_115, ~y~0=v_~y~0_41, ~x~0=v_~x~0_42, P0Thread1of1ForFork0_~arg.base=v_P0Thread1of1ForFork0_~arg.base_15, P0Thread1of1ForFork0_~arg.offset=v_P0Thread1of1ForFork0_~arg.offset_15} AuxVars[] AssignedVars[P0Thread1of1ForFork0_#res.offset, P0Thread1of1ForFork0_#res.base, ~__unbuffered_cnt~0, ~y~0, ~x~0, P0Thread1of1ForFork0_~arg.base, P0Thread1of1ForFork0_~arg.offset] and [199] $Ultimate##0-->L738: Formula: (and (= |v_P1Thread1of1ForFork1_#in~arg.offset_5| v_P1Thread1of1ForFork1_~arg.offset_5) (= v_P1Thread1of1ForFork1_~arg.base_5 |v_P1Thread1of1ForFork1_#in~arg.base_5|) (= v_~x~0_20 v_~__unbuffered_p1_EAX~0_24)) InVars {P1Thread1of1ForFork1_#in~arg.base=|v_P1Thread1of1ForFork1_#in~arg.base_5|, P1Thread1of1ForFork1_#in~arg.offset=|v_P1Thread1of1ForFork1_#in~arg.offset_5|, ~x~0=v_~x~0_20} OutVars{P1Thread1of1ForFork1_~arg.offset=v_P1Thread1of1ForFork1_~arg.offset_5, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_24, P1Thread1of1ForFork1_~arg.base=v_P1Thread1of1ForFork1_~arg.base_5, P1Thread1of1ForFork1_#in~arg.base=|v_P1Thread1of1ForFork1_#in~arg.base_5|, P1Thread1of1ForFork1_#in~arg.offset=|v_P1Thread1of1ForFork1_#in~arg.offset_5|, ~x~0=v_~x~0_20} AuxVars[] AssignedVars[P1Thread1of1ForFork1_~arg.offset, ~__unbuffered_p1_EAX~0, P1Thread1of1ForFork1_~arg.base] [2022-12-06 04:32:15,912 INFO L203 LiptonReduction]: Total number of compositions: 3 [2022-12-06 04:32:15,914 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 333 [2022-12-06 04:32:15,914 INFO L495 AbstractCegarLoop]: Abstraction has has 20 places, 10 transitions, 56 flow [2022-12-06 04:32:15,914 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 04:32:15,914 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 04:32:15,914 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-06 04:32:15,914 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-06 04:32:15,914 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-06 04:32:15,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 04:32:15,915 INFO L85 PathProgramCache]: Analyzing trace with hash -1354323648, now seen corresponding path program 1 times [2022-12-06 04:32:15,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 04:32:15,915 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848716043] [2022-12-06 04:32:15,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 04:32:15,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 04:32:15,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 04:32:16,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 04:32:16,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 04:32:16,032 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [848716043] [2022-12-06 04:32:16,032 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [848716043] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 04:32:16,032 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 04:32:16,032 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-06 04:32:16,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400101237] [2022-12-06 04:32:16,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 04:32:16,033 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-06 04:32:16,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 04:32:16,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-06 04:32:16,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-06 04:32:16,034 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 9 [2022-12-06 04:32:16,034 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 20 places, 10 transitions, 56 flow. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 04:32:16,034 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 04:32:16,034 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 9 [2022-12-06 04:32:16,034 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 04:32:16,050 INFO L130 PetriNetUnfolder]: 1/9 cut-off events. [2022-12-06 04:32:16,050 INFO L131 PetriNetUnfolder]: For 9/9 co-relation queries the response was YES. [2022-12-06 04:32:16,050 INFO L83 FinitePrefix]: Finished finitePrefix Result has 41 conditions, 9 events. 1/9 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 4 event pairs, 0 based on Foata normal form. 1/10 useless extension candidates. Maximal degree in co-relation 28. Up to 5 conditions per place. [2022-12-06 04:32:16,051 INFO L137 encePairwiseOnDemand]: 6/9 looper letters, 0 selfloop transitions, 0 changer transitions 9/9 dead transitions. [2022-12-06 04:32:16,051 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 21 places, 9 transitions, 68 flow [2022-12-06 04:32:16,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-06 04:32:16,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-06 04:32:16,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 9 transitions. [2022-12-06 04:32:16,052 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.3333333333333333 [2022-12-06 04:32:16,052 INFO L175 Difference]: Start difference. First operand has 20 places, 10 transitions, 56 flow. Second operand 3 states and 9 transitions. [2022-12-06 04:32:16,052 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 21 places, 9 transitions, 68 flow [2022-12-06 04:32:16,053 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 16 places, 9 transitions, 48 flow, removed 2 selfloop flow, removed 5 redundant places. [2022-12-06 04:32:16,053 INFO L231 Difference]: Finished difference. Result has 16 places, 0 transitions, 0 flow [2022-12-06 04:32:16,053 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=9, PETRI_DIFFERENCE_MINUEND_FLOW=30, PETRI_DIFFERENCE_MINUEND_PLACES=14, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=9, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=9, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=16, PETRI_TRANSITIONS=0} [2022-12-06 04:32:16,055 INFO L294 CegarLoopForPetriNet]: 19 programPoint places, -3 predicate places. [2022-12-06 04:32:16,055 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 04:32:16,056 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 16 places, 0 transitions, 0 flow [2022-12-06 04:32:16,056 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 0 places, 0 transitions, 0 flow [2022-12-06 04:32:16,057 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2022-12-06 04:32:16,057 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 04:32:16,057 INFO L83 FinitePrefix]: Finished finitePrefix Result has 0 conditions, 0 events. 0/0 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 0. Compared 0 event pairs, 0 based on Foata normal form. 0/0 useless extension candidates. Maximal degree in co-relation 0. Up to 0 conditions per place. [2022-12-06 04:32:16,057 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 0 places, 0 transitions, 0 flow [2022-12-06 04:32:16,057 INFO L188 LiptonReduction]: Number of co-enabled transitions 0 [2022-12-06 04:32:16,057 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 04:32:16,064 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 8 [2022-12-06 04:32:16,066 INFO L495 AbstractCegarLoop]: Abstraction has has 0 places, 0 transitions, 0 flow [2022-12-06 04:32:16,066 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 04:32:16,068 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2022-12-06 04:32:16,068 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2022-12-06 04:32:16,068 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2022-12-06 04:32:16,069 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-06 04:32:16,069 INFO L458 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-12-06 04:32:16,074 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-06 04:32:16,074 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-06 04:32:16,077 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 04:32:16 BasicIcfg [2022-12-06 04:32:16,077 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-06 04:32:16,080 INFO L158 Benchmark]: Toolchain (without parser) took 4814.93ms. Allocated memory was 190.8MB in the beginning and 278.9MB in the end (delta: 88.1MB). Free memory was 149.3MB in the beginning and 103.1MB in the end (delta: 46.3MB). Peak memory consumption was 134.9MB. Max. memory is 8.0GB. [2022-12-06 04:32:16,080 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 190.8MB. Free memory was 167.4MB in the beginning and 167.3MB in the end (delta: 87.6kB). There was no memory consumed. Max. memory is 8.0GB. [2022-12-06 04:32:16,080 INFO L158 Benchmark]: CACSL2BoogieTranslator took 460.74ms. Allocated memory is still 190.8MB. Free memory was 149.3MB in the beginning and 127.3MB in the end (delta: 22.0MB). Peak memory consumption was 22.0MB. Max. memory is 8.0GB. [2022-12-06 04:32:16,081 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.06ms. Allocated memory is still 190.8MB. Free memory was 127.3MB in the beginning and 125.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-12-06 04:32:16,081 INFO L158 Benchmark]: Boogie Preprocessor took 34.18ms. Allocated memory is still 190.8MB. Free memory was 125.3MB in the beginning and 123.7MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-12-06 04:32:16,081 INFO L158 Benchmark]: RCFGBuilder took 354.04ms. Allocated memory is still 190.8MB. Free memory was 123.7MB in the beginning and 110.6MB in the end (delta: 13.1MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2022-12-06 04:32:16,081 INFO L158 Benchmark]: TraceAbstraction took 3898.48ms. Allocated memory was 190.8MB in the beginning and 278.9MB in the end (delta: 88.1MB). Free memory was 110.1MB in the beginning and 103.1MB in the end (delta: 7.0MB). Peak memory consumption was 96.1MB. Max. memory is 8.0GB. [2022-12-06 04:32:16,083 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 190.8MB. Free memory was 167.4MB in the beginning and 167.3MB in the end (delta: 87.6kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 460.74ms. Allocated memory is still 190.8MB. Free memory was 149.3MB in the beginning and 127.3MB in the end (delta: 22.0MB). Peak memory consumption was 22.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 60.06ms. Allocated memory is still 190.8MB. Free memory was 127.3MB in the beginning and 125.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 34.18ms. Allocated memory is still 190.8MB. Free memory was 125.3MB in the beginning and 123.7MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 354.04ms. Allocated memory is still 190.8MB. Free memory was 123.7MB in the beginning and 110.6MB in the end (delta: 13.1MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * TraceAbstraction took 3898.48ms. Allocated memory was 190.8MB in the beginning and 278.9MB in the end (delta: 88.1MB). Free memory was 110.1MB in the beginning and 103.1MB in the end (delta: 7.0MB). Peak memory consumption was 96.1MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.0s, 62 PlacesBefore, 19 PlacesAfterwards, 56 TransitionsBefore, 13 TransitionsAfterwards, 540 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 19 TrivialYvCompositions, 24 ConcurrentYvCompositions, 0 ChoiceCompositions, 44 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 486, independent: 456, independent conditional: 456, independent unconditional: 0, dependent: 30, dependent conditional: 30, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 486, independent: 456, independent conditional: 0, independent unconditional: 456, dependent: 30, dependent conditional: 0, dependent unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 486, independent: 456, independent conditional: 0, independent unconditional: 456, dependent: 30, dependent conditional: 0, dependent unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 486, independent: 456, independent conditional: 0, independent unconditional: 456, dependent: 30, dependent conditional: 0, dependent unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 399, independent: 377, independent conditional: 0, independent unconditional: 377, dependent: 22, dependent conditional: 0, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 399, independent: 374, independent conditional: 0, independent unconditional: 374, dependent: 25, dependent conditional: 0, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 25, independent: 3, independent conditional: 0, independent unconditional: 3, dependent: 22, dependent conditional: 0, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 98, independent: 25, independent conditional: 0, independent unconditional: 25, dependent: 73, dependent conditional: 0, dependent unconditional: 73, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 486, independent: 79, independent conditional: 0, independent unconditional: 79, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 399, unknown conditional: 0, unknown unconditional: 399] , Statistics on independence cache: Total cache size (in pairs): 660, Positive cache size: 638, Positive conditional cache size: 0, Positive unconditional cache size: 638, Negative cache size: 22, Negative conditional cache size: 0, 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, 20 PlacesBefore, 20 PlacesAfterwards, 12 TransitionsBefore, 12 TransitionsAfterwards, 52 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 25, independent: 17, independent conditional: 17, independent unconditional: 0, dependent: 8, dependent conditional: 8, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 25, independent: 17, independent conditional: 1, independent unconditional: 16, dependent: 8, dependent conditional: 2, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 25, independent: 17, independent conditional: 0, independent unconditional: 17, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 25, independent: 17, independent conditional: 0, independent unconditional: 17, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 22, independent: 16, independent conditional: 0, independent unconditional: 16, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 22, independent: 15, independent conditional: 0, independent unconditional: 15, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 7, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 11, independent: 3, independent conditional: 0, independent unconditional: 3, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 25, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 22, unknown conditional: 0, unknown unconditional: 22] , Statistics on independence cache: Total cache size (in pairs): 22, Positive cache size: 16, Positive conditional cache size: 0, Positive unconditional cache size: 16, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 3, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 23 PlacesBefore, 22 PlacesAfterwards, 12 TransitionsBefore, 11 TransitionsAfterwards, 36 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 27, independent: 17, independent conditional: 17, 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: 27, independent: 17, independent conditional: 0, independent unconditional: 17, 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: 27, independent: 17, independent conditional: 0, independent unconditional: 17, 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: 27, independent: 17, independent conditional: 0, independent unconditional: 17, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 6, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 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] ], Cache Queries: [ total: 27, independent: 13, independent conditional: 0, independent unconditional: 13, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 6, unknown conditional: 0, unknown unconditional: 6] , Statistics on independence cache: Total cache size (in pairs): 33, Positive cache size: 25, Positive conditional cache size: 0, Positive unconditional cache size: 25, Negative cache size: 8, Negative conditional cache size: 0, Negative unconditional cache size: 8, 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, 21 PlacesBefore, 21 PlacesAfterwards, 13 TransitionsBefore, 13 TransitionsAfterwards, 22 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 16, independent: 10, independent conditional: 10, independent unconditional: 0, dependent: 6, dependent conditional: 6, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 16, independent: 10, independent conditional: 4, independent unconditional: 6, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 16, independent: 10, independent conditional: 3, independent unconditional: 7, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 16, independent: 10, independent conditional: 3, independent unconditional: 7, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 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: 16, independent: 9, independent conditional: 3, independent unconditional: 6, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 35, Positive cache size: 27, Positive conditional cache size: 0, Positive unconditional cache size: 27, Negative cache size: 8, Negative conditional cache size: 0, Negative unconditional cache size: 8, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.3s, 23 PlacesBefore, 20 PlacesAfterwards, 13 TransitionsBefore, 10 TransitionsAfterwards, 8 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 2 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4, independent: 4, independent conditional: 4, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 4, independent: 4, independent conditional: 2, independent unconditional: 2, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 4, independent: 4, independent conditional: 2, independent unconditional: 2, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4, independent: 4, independent conditional: 2, independent unconditional: 2, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2, independent: 2, independent conditional: 2, 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: 2, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 4, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 37, Positive cache size: 29, Positive conditional cache size: 2, Positive unconditional cache size: 27, Negative cache size: 8, Negative conditional cache size: 0, Negative unconditional cache size: 8, 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, 0 PlacesBefore, 0 PlacesAfterwards, 0 TransitionsBefore, 0 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 37, Positive cache size: 29, Positive conditional cache size: 2, Positive unconditional cache size: 27, Negative cache size: 8, Negative conditional cache size: 0, Negative unconditional cache size: 8, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - PositiveResult [Line: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 83 locations, 3 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: 3.8s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 26 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 26 mSDsluCounter, 1 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 88 IncrementalHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 1 mSDtfsCounter, 88 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=61occurred in iteration=4, InterpolantAutomatonStates: 17, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 36 NumberOfCodeBlocks, 36 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 31 ConstructedInterpolants, 0 QuantifiedInterpolants, 77 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-12-06 04:32:16,115 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...