/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-NoLbe.epf --traceabstraction.use.on-demand.petri.net.difference true --traceabstraction.size.reduction.to.apply.after.petri.net.difference REMOVE_REDUNDANT_FLOW -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/parallel-ticket-2.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-a802222-m [2022-12-12 13:00:41,628 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-12 13:00:41,630 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-12 13:00:41,680 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-12 13:00:41,682 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-12 13:00:41,684 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-12 13:00:41,686 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-12 13:00:41,689 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-12 13:00:41,692 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-12 13:00:41,696 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-12 13:00:41,697 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-12 13:00:41,698 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-12 13:00:41,698 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-12 13:00:41,700 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-12 13:00:41,701 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-12 13:00:41,703 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-12 13:00:41,704 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-12 13:00:41,704 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-12 13:00:41,706 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-12 13:00:41,710 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-12 13:00:41,711 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-12 13:00:41,712 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-12 13:00:41,712 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-12 13:00:41,713 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-12 13:00:41,719 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-12 13:00:41,719 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-12 13:00:41,719 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-12 13:00:41,720 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-12 13:00:41,721 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-12 13:00:41,721 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-12 13:00:41,721 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-12 13:00:41,727 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-12 13:00:41,728 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-12 13:00:41,728 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-12 13:00:41,729 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-12 13:00:41,729 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-12 13:00:41,730 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-12 13:00:41,730 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-12 13:00:41,730 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-12 13:00:41,731 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-12 13:00:41,731 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-12 13:00:41,732 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-NoLbe.epf [2022-12-12 13:00:41,758 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-12 13:00:41,759 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-12 13:00:41,760 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-12 13:00:41,760 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-12 13:00:41,760 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-12 13:00:41,761 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-12 13:00:41,761 INFO L138 SettingsManager]: * Use SBE=true [2022-12-12 13:00:41,761 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-12 13:00:41,761 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-12 13:00:41,762 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-12 13:00:41,762 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-12 13:00:41,762 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-12 13:00:41,763 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-12 13:00:41,763 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-12 13:00:41,763 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-12 13:00:41,763 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-12 13:00:41,763 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-12 13:00:41,763 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-12 13:00:41,763 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-12 13:00:41,763 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-12 13:00:41,763 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-12 13:00:41,764 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-12 13:00:41,764 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-12 13:00:41,764 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-12 13:00:41,764 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-12 13:00:41,764 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-12 13:00:41,764 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-12 13:00:41,764 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-12-12 13:00:41,764 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-12 13:00:41,764 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-12 13:00:41,764 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-12 13:00:41,765 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use on-demand Petri net difference -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Size reduction to apply after Petri net difference -> REMOVE_REDUNDANT_FLOW [2022-12-12 13:00:42,030 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-12 13:00:42,045 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-12 13:00:42,047 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-12 13:00:42,048 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-12 13:00:42,048 INFO L275 PluginConnector]: CDTParser initialized [2022-12-12 13:00:42,049 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-ticket-2.wvr.c [2022-12-12 13:00:43,070 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-12 13:00:43,264 INFO L351 CDTParser]: Found 1 translation units. [2022-12-12 13:00:43,265 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-ticket-2.wvr.c [2022-12-12 13:00:43,270 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae455256c/349d5788fb234de3bc27a581f2fc3ca9/FLAGc77f984c5 [2022-12-12 13:00:43,284 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae455256c/349d5788fb234de3bc27a581f2fc3ca9 [2022-12-12 13:00:43,286 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-12 13:00:43,287 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-12 13:00:43,288 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-12 13:00:43,288 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-12 13:00:43,291 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-12 13:00:43,291 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.12 01:00:43" (1/1) ... [2022-12-12 13:00:43,292 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e2a07ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 01:00:43, skipping insertion in model container [2022-12-12 13:00:43,292 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.12 01:00:43" (1/1) ... [2022-12-12 13:00:43,298 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-12 13:00:43,313 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-12 13:00:43,432 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 13:00:43,434 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 13:00:43,435 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 13:00:43,436 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 13:00:43,436 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 13:00:43,437 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 13:00:43,438 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 13:00:43,439 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 13:00:43,439 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 13:00:43,441 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 13:00:43,443 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 13:00:43,443 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 13:00:43,444 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 13:00:43,444 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 13:00:43,444 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 13:00:43,445 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 13:00:43,446 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 13:00:43,446 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 13:00:43,462 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-ticket-2.wvr.c[2652,2665] [2022-12-12 13:00:43,468 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-12 13:00:43,478 INFO L203 MainTranslator]: Completed pre-run [2022-12-12 13:00:43,490 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 13:00:43,491 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 13:00:43,492 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 13:00:43,492 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 13:00:43,492 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 13:00:43,492 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 13:00:43,492 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 13:00:43,492 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 13:00:43,494 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 13:00:43,494 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 13:00:43,500 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 13:00:43,501 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 13:00:43,502 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 13:00:43,503 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 13:00:43,503 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 13:00:43,504 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 13:00:43,504 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 13:00:43,505 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 13:00:43,516 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-ticket-2.wvr.c[2652,2665] [2022-12-12 13:00:43,517 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-12 13:00:43,527 INFO L208 MainTranslator]: Completed translation [2022-12-12 13:00:43,528 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 01:00:43 WrapperNode [2022-12-12 13:00:43,528 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-12 13:00:43,530 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-12 13:00:43,530 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-12 13:00:43,530 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-12 13:00:43,535 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 01:00:43" (1/1) ... [2022-12-12 13:00:43,547 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 01:00:43" (1/1) ... [2022-12-12 13:00:43,571 INFO L138 Inliner]: procedures = 21, calls = 40, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 118 [2022-12-12 13:00:43,571 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-12 13:00:43,572 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-12 13:00:43,572 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-12 13:00:43,572 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-12 13:00:43,578 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 01:00:43" (1/1) ... [2022-12-12 13:00:43,578 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 01:00:43" (1/1) ... [2022-12-12 13:00:43,581 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 01:00:43" (1/1) ... [2022-12-12 13:00:43,581 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 01:00:43" (1/1) ... [2022-12-12 13:00:43,594 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 01:00:43" (1/1) ... [2022-12-12 13:00:43,596 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 01:00:43" (1/1) ... [2022-12-12 13:00:43,599 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 01:00:43" (1/1) ... [2022-12-12 13:00:43,600 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 01:00:43" (1/1) ... [2022-12-12 13:00:43,603 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-12 13:00:43,603 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-12 13:00:43,604 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-12 13:00:43,604 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-12 13:00:43,604 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 01:00:43" (1/1) ... [2022-12-12 13:00:43,608 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-12 13:00:43,617 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-12 13:00:43,628 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) [2022-12-12 13:00:43,633 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 [2022-12-12 13:00:43,659 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-12 13:00:43,660 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-12-12 13:00:43,660 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-12-12 13:00:43,660 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-12-12 13:00:43,660 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-12-12 13:00:43,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-12 13:00:43,660 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-12 13:00:43,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-12 13:00:43,660 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-12 13:00:43,660 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-12 13:00:43,661 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-12 13:00:43,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-12 13:00:43,661 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-12 13:00:43,662 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-12 13:00:43,663 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2022-12-12 13:00:43,768 INFO L236 CfgBuilder]: Building ICFG [2022-12-12 13:00:43,769 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-12 13:00:43,943 INFO L277 CfgBuilder]: Performing block encoding [2022-12-12 13:00:43,976 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-12 13:00:43,977 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-12 13:00:43,978 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.12 01:00:43 BoogieIcfgContainer [2022-12-12 13:00:43,978 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-12 13:00:43,980 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-12 13:00:43,980 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-12 13:00:43,982 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-12 13:00:43,982 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.12 01:00:43" (1/3) ... [2022-12-12 13:00:43,983 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a662cf0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.12 01:00:43, skipping insertion in model container [2022-12-12 13:00:43,983 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 01:00:43" (2/3) ... [2022-12-12 13:00:43,983 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a662cf0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.12 01:00:43, skipping insertion in model container [2022-12-12 13:00:43,983 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.12 01:00:43" (3/3) ... [2022-12-12 13:00:43,984 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-ticket-2.wvr.c [2022-12-12 13:00:43,996 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-12 13:00:43,996 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-12 13:00:43,996 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-12 13:00:44,036 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-12-12 13:00:44,058 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 94 places, 89 transitions, 194 flow [2022-12-12 13:00:44,091 INFO L130 PetriNetUnfolder]: 2/87 cut-off events. [2022-12-12 13:00:44,092 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-12 13:00:44,094 INFO L83 FinitePrefix]: Finished finitePrefix Result has 96 conditions, 87 events. 2/87 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 31 event pairs, 0 based on Foata normal form. 0/84 useless extension candidates. Maximal degree in co-relation 58. Up to 2 conditions per place. [2022-12-12 13:00:44,094 INFO L82 GeneralOperation]: Start removeDead. Operand has 94 places, 89 transitions, 194 flow [2022-12-12 13:00:44,097 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 84 places, 79 transitions, 170 flow [2022-12-12 13:00:44,103 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-12 13:00:44,108 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=PETRI_NET, 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;@77079dfe, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-12 13:00:44,108 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-12-12 13:00:44,129 INFO L130 PetriNetUnfolder]: 2/78 cut-off events. [2022-12-12 13:00:44,129 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-12 13:00:44,130 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-12 13:00:44,131 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-12 13:00:44,131 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-12 13:00:44,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-12 13:00:44,135 INFO L85 PathProgramCache]: Analyzing trace with hash 453692411, now seen corresponding path program 1 times [2022-12-12 13:00:44,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-12 13:00:44,142 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447125360] [2022-12-12 13:00:44,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-12 13:00:44,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-12 13:00:44,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-12 13:00:44,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-12 13:00:44,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-12 13:00:44,973 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [447125360] [2022-12-12 13:00:44,974 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [447125360] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-12 13:00:44,974 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-12 13:00:44,974 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-12 13:00:44,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608317230] [2022-12-12 13:00:44,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-12 13:00:44,982 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-12 13:00:44,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-12 13:00:45,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-12 13:00:45,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-12-12 13:00:45,006 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 59 out of 89 [2022-12-12 13:00:45,008 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 79 transitions, 170 flow. Second operand has 8 states, 8 states have (on average 62.125) internal successors, (497), 8 states have internal predecessors, (497), 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) [2022-12-12 13:00:45,008 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-12 13:00:45,008 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 59 of 89 [2022-12-12 13:00:45,009 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-12 13:00:45,232 INFO L130 PetriNetUnfolder]: 31/181 cut-off events. [2022-12-12 13:00:45,233 INFO L131 PetriNetUnfolder]: For 34/34 co-relation queries the response was YES. [2022-12-12 13:00:45,234 INFO L83 FinitePrefix]: Finished finitePrefix Result has 308 conditions, 181 events. 31/181 cut-off events. For 34/34 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 485 event pairs, 15 based on Foata normal form. 3/178 useless extension candidates. Maximal degree in co-relation 180. Up to 48 conditions per place. [2022-12-12 13:00:45,235 INFO L137 encePairwiseOnDemand]: 74/89 looper letters, 22 selfloop transitions, 6 changer transitions 16/94 dead transitions. [2022-12-12 13:00:45,235 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 94 transitions, 297 flow [2022-12-12 13:00:45,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-12 13:00:45,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2022-12-12 13:00:45,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 697 transitions. [2022-12-12 13:00:45,246 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.7119509703779366 [2022-12-12 13:00:45,248 INFO L295 CegarLoopForPetriNet]: 84 programPoint places, 10 predicate places. [2022-12-12 13:00:45,249 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 94 places, 94 transitions, 297 flow [2022-12-12 13:00:45,252 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 88 places, 94 transitions, 270 flow, removed 4 selfloop flow, removed 6 redundant places. [2022-12-12 13:00:45,253 INFO L495 AbstractCegarLoop]: Abstraction has has 88 places, 94 transitions, 270 flow [2022-12-12 13:00:45,254 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 62.125) internal successors, (497), 8 states have internal predecessors, (497), 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) [2022-12-12 13:00:45,254 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-12 13:00:45,254 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-12 13:00:45,254 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-12 13:00:45,254 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-12 13:00:45,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-12 13:00:45,255 INFO L85 PathProgramCache]: Analyzing trace with hash -1765505601, now seen corresponding path program 2 times [2022-12-12 13:00:45,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-12 13:00:45,255 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885511640] [2022-12-12 13:00:45,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-12 13:00:45,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-12 13:00:45,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-12 13:00:45,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-12 13:00:45,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-12 13:00:45,446 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [885511640] [2022-12-12 13:00:45,446 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [885511640] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-12 13:00:45,446 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-12 13:00:45,446 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-12 13:00:45,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021686141] [2022-12-12 13:00:45,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-12 13:00:45,448 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-12 13:00:45,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-12 13:00:45,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-12 13:00:45,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-12-12 13:00:45,450 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 60 out of 89 [2022-12-12 13:00:45,450 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 88 places, 94 transitions, 270 flow. Second operand has 7 states, 7 states have (on average 63.42857142857143) internal successors, (444), 7 states have internal predecessors, (444), 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) [2022-12-12 13:00:45,450 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-12 13:00:45,450 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 60 of 89 [2022-12-12 13:00:45,450 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-12 13:00:45,567 INFO L130 PetriNetUnfolder]: 32/227 cut-off events. [2022-12-12 13:00:45,568 INFO L131 PetriNetUnfolder]: For 60/74 co-relation queries the response was YES. [2022-12-12 13:00:45,569 INFO L83 FinitePrefix]: Finished finitePrefix Result has 466 conditions, 227 events. 32/227 cut-off events. For 60/74 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 789 event pairs, 12 based on Foata normal form. 5/226 useless extension candidates. Maximal degree in co-relation 143. Up to 65 conditions per place. [2022-12-12 13:00:45,572 INFO L137 encePairwiseOnDemand]: 80/89 looper letters, 31 selfloop transitions, 13 changer transitions 27/122 dead transitions. [2022-12-12 13:00:45,572 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 95 places, 122 transitions, 525 flow [2022-12-12 13:00:45,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-12 13:00:45,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2022-12-12 13:00:45,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 524 transitions. [2022-12-12 13:00:45,574 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.7359550561797753 [2022-12-12 13:00:45,574 INFO L295 CegarLoopForPetriNet]: 84 programPoint places, 11 predicate places. [2022-12-12 13:00:45,574 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 95 places, 122 transitions, 525 flow [2022-12-12 13:00:45,579 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 122 transitions, 503 flow, removed 9 selfloop flow, removed 2 redundant places. [2022-12-12 13:00:45,579 INFO L495 AbstractCegarLoop]: Abstraction has has 93 places, 122 transitions, 503 flow [2022-12-12 13:00:45,580 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 63.42857142857143) internal successors, (444), 7 states have internal predecessors, (444), 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) [2022-12-12 13:00:45,580 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-12 13:00:45,580 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-12 13:00:45,580 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-12 13:00:45,581 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-12 13:00:45,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-12 13:00:45,582 INFO L85 PathProgramCache]: Analyzing trace with hash -1136151239, now seen corresponding path program 3 times [2022-12-12 13:00:45,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-12 13:00:45,582 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1571091126] [2022-12-12 13:00:45,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-12 13:00:45,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-12 13:00:45,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-12 13:00:45,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-12 13:00:45,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-12 13:00:45,851 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1571091126] [2022-12-12 13:00:45,851 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1571091126] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-12 13:00:45,852 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-12 13:00:45,852 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-12 13:00:45,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201810604] [2022-12-12 13:00:45,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-12 13:00:45,853 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-12 13:00:45,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-12 13:00:45,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-12 13:00:45,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2022-12-12 13:00:45,854 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 59 out of 89 [2022-12-12 13:00:45,855 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 93 places, 122 transitions, 503 flow. Second operand has 9 states, 9 states have (on average 61.77777777777778) internal successors, (556), 9 states have internal predecessors, (556), 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) [2022-12-12 13:00:45,855 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-12 13:00:45,855 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 59 of 89 [2022-12-12 13:00:45,855 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-12 13:00:46,016 INFO L130 PetriNetUnfolder]: 33/245 cut-off events. [2022-12-12 13:00:46,016 INFO L131 PetriNetUnfolder]: For 142/189 co-relation queries the response was YES. [2022-12-12 13:00:46,016 INFO L83 FinitePrefix]: Finished finitePrefix Result has 637 conditions, 245 events. 33/245 cut-off events. For 142/189 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 947 event pairs, 7 based on Foata normal form. 4/245 useless extension candidates. Maximal degree in co-relation 211. Up to 75 conditions per place. [2022-12-12 13:00:46,017 INFO L137 encePairwiseOnDemand]: 77/89 looper letters, 23 selfloop transitions, 6 changer transitions 61/140 dead transitions. [2022-12-12 13:00:46,017 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 104 places, 140 transitions, 793 flow [2022-12-12 13:00:46,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-12 13:00:46,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2022-12-12 13:00:46,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 754 transitions. [2022-12-12 13:00:46,019 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.7059925093632958 [2022-12-12 13:00:46,019 INFO L295 CegarLoopForPetriNet]: 84 programPoint places, 20 predicate places. [2022-12-12 13:00:46,020 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 104 places, 140 transitions, 793 flow [2022-12-12 13:00:46,022 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 101 places, 140 transitions, 688 flow, removed 49 selfloop flow, removed 3 redundant places. [2022-12-12 13:00:46,022 INFO L495 AbstractCegarLoop]: Abstraction has has 101 places, 140 transitions, 688 flow [2022-12-12 13:00:46,022 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 61.77777777777778) internal successors, (556), 9 states have internal predecessors, (556), 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) [2022-12-12 13:00:46,022 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-12 13:00:46,022 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-12 13:00:46,022 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-12 13:00:46,023 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-12 13:00:46,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-12 13:00:46,023 INFO L85 PathProgramCache]: Analyzing trace with hash 2132564479, now seen corresponding path program 4 times [2022-12-12 13:00:46,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-12 13:00:46,023 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414468998] [2022-12-12 13:00:46,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-12 13:00:46,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-12 13:00:46,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-12 13:00:46,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-12 13:00:46,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-12 13:00:46,166 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1414468998] [2022-12-12 13:00:46,167 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1414468998] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-12 13:00:46,167 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-12 13:00:46,167 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-12 13:00:46,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1085887508] [2022-12-12 13:00:46,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-12 13:00:46,170 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-12 13:00:46,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-12 13:00:46,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-12 13:00:46,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-12-12 13:00:46,172 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 60 out of 89 [2022-12-12 13:00:46,173 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 101 places, 140 transitions, 688 flow. Second operand has 7 states, 7 states have (on average 63.42857142857143) internal successors, (444), 7 states have internal predecessors, (444), 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) [2022-12-12 13:00:46,173 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-12 13:00:46,173 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 60 of 89 [2022-12-12 13:00:46,173 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-12 13:00:46,247 INFO L130 PetriNetUnfolder]: 17/176 cut-off events. [2022-12-12 13:00:46,247 INFO L131 PetriNetUnfolder]: For 159/212 co-relation queries the response was YES. [2022-12-12 13:00:46,247 INFO L83 FinitePrefix]: Finished finitePrefix Result has 471 conditions, 176 events. 17/176 cut-off events. For 159/212 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 537 event pairs, 2 based on Foata normal form. 11/184 useless extension candidates. Maximal degree in co-relation 86. Up to 31 conditions per place. [2022-12-12 13:00:46,248 INFO L137 encePairwiseOnDemand]: 80/89 looper letters, 0 selfloop transitions, 0 changer transitions 121/121 dead transitions. [2022-12-12 13:00:46,248 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 105 places, 121 transitions, 691 flow [2022-12-12 13:00:46,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-12 13:00:46,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2022-12-12 13:00:46,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 522 transitions. [2022-12-12 13:00:46,250 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.7331460674157303 [2022-12-12 13:00:46,251 INFO L295 CegarLoopForPetriNet]: 84 programPoint places, 21 predicate places. [2022-12-12 13:00:46,251 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 105 places, 121 transitions, 691 flow [2022-12-12 13:00:46,253 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 101 places, 121 transitions, 571 flow, removed 49 selfloop flow, removed 4 redundant places. [2022-12-12 13:00:46,253 INFO L495 AbstractCegarLoop]: Abstraction has has 101 places, 121 transitions, 571 flow [2022-12-12 13:00:46,253 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 63.42857142857143) internal successors, (444), 7 states have internal predecessors, (444), 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) [2022-12-12 13:00:46,255 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2022-12-12 13:00:46,256 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2022-12-12 13:00:46,256 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2022-12-12 13:00:46,258 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-12 13:00:46,258 INFO L445 BasicCegarLoop]: Path program histogram: [4] [2022-12-12 13:00:46,261 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-12 13:00:46,266 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-12 13:00:46,270 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.12 01:00:46 BasicIcfg [2022-12-12 13:00:46,270 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-12 13:00:46,272 INFO L158 Benchmark]: Toolchain (without parser) took 2983.32ms. Allocated memory was 177.2MB in the beginning and 237.0MB in the end (delta: 59.8MB). Free memory was 153.4MB in the beginning and 169.2MB in the end (delta: -15.7MB). Peak memory consumption was 44.3MB. Max. memory is 8.0GB. [2022-12-12 13:00:46,272 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 177.2MB. Free memory is still 153.5MB. There was no memory consumed. Max. memory is 8.0GB. [2022-12-12 13:00:46,273 INFO L158 Benchmark]: CACSL2BoogieTranslator took 240.39ms. Allocated memory is still 177.2MB. Free memory was 153.4MB in the beginning and 140.6MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-12-12 13:00:46,274 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.69ms. Allocated memory is still 177.2MB. Free memory was 140.1MB in the beginning and 138.5MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-12-12 13:00:46,274 INFO L158 Benchmark]: Boogie Preprocessor took 30.99ms. Allocated memory is still 177.2MB. Free memory was 138.5MB in the beginning and 137.4MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-12-12 13:00:46,274 INFO L158 Benchmark]: RCFGBuilder took 374.80ms. Allocated memory is still 177.2MB. Free memory was 137.4MB in the beginning and 121.2MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2022-12-12 13:00:46,275 INFO L158 Benchmark]: TraceAbstraction took 2290.02ms. Allocated memory was 177.2MB in the beginning and 237.0MB in the end (delta: 59.8MB). Free memory was 119.6MB in the beginning and 169.2MB in the end (delta: -49.6MB). Peak memory consumption was 10.7MB. Max. memory is 8.0GB. [2022-12-12 13:00:46,278 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 177.2MB. Free memory is still 153.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 240.39ms. Allocated memory is still 177.2MB. Free memory was 153.4MB in the beginning and 140.6MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 41.69ms. Allocated memory is still 177.2MB. Free memory was 140.1MB in the beginning and 138.5MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 30.99ms. Allocated memory is still 177.2MB. Free memory was 138.5MB in the beginning and 137.4MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 374.80ms. Allocated memory is still 177.2MB. Free memory was 137.4MB in the beginning and 121.2MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * TraceAbstraction took 2290.02ms. Allocated memory was 177.2MB in the beginning and 237.0MB in the end (delta: 59.8MB). Free memory was 119.6MB in the beginning and 169.2MB in the end (delta: -49.6MB). Peak memory consumption was 10.7MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 102]: 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, 105 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: 2.2s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 160 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 160 mSDsluCounter, 152 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 101 mSDsCounter, 36 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 419 IncrementalHoareTripleChecker+Invalid, 455 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 36 mSolverCounterUnsat, 51 mSDtfsCounter, 419 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 45 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=688occurred in iteration=3, InterpolantAutomatonStates: 39, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 274 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 300 NumberOfCodeBlocks, 300 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 296 ConstructedInterpolants, 0 QuantifiedInterpolants, 984 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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! [2022-12-12 13:00:46,303 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...