/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/pthread-wmm/safe029_tso.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-a802222-m [2022-12-12 12:04:33,489 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-12 12:04:33,492 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-12 12:04:33,521 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-12 12:04:33,522 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-12 12:04:33,524 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-12 12:04:33,526 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-12 12:04:33,527 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-12 12:04:33,529 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-12 12:04:33,532 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-12 12:04:33,533 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-12 12:04:33,536 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-12 12:04:33,536 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-12 12:04:33,540 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-12 12:04:33,541 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-12 12:04:33,544 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-12 12:04:33,545 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-12 12:04:33,546 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-12 12:04:33,549 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-12 12:04:33,554 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-12 12:04:33,555 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-12 12:04:33,556 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-12 12:04:33,557 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-12 12:04:33,558 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-12 12:04:33,564 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-12 12:04:33,564 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-12 12:04:33,565 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-12 12:04:33,566 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-12 12:04:33,567 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-12 12:04:33,567 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-12 12:04:33,568 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-12 12:04:33,569 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-12 12:04:33,570 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-12 12:04:33,571 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-12 12:04:33,572 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-12 12:04:33,572 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-12 12:04:33,573 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-12 12:04:33,573 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-12 12:04:33,573 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-12 12:04:33,574 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-12 12:04:33,574 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-12 12:04:33,575 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 12:04:33,608 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-12 12:04:33,608 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-12 12:04:33,609 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-12 12:04:33,609 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-12 12:04:33,610 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-12 12:04:33,611 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-12 12:04:33,611 INFO L138 SettingsManager]: * Use SBE=true [2022-12-12 12:04:33,611 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-12 12:04:33,611 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-12 12:04:33,612 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-12 12:04:33,612 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-12 12:04:33,612 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-12 12:04:33,613 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-12 12:04:33,613 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-12 12:04:33,613 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-12 12:04:33,613 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-12 12:04:33,613 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-12 12:04:33,613 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-12 12:04:33,613 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-12 12:04:33,614 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-12 12:04:33,614 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-12 12:04:33,614 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-12 12:04:33,614 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-12 12:04:33,614 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-12 12:04:33,614 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-12 12:04:33,614 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-12 12:04:33,615 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-12 12:04:33,615 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-12-12 12:04:33,615 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-12 12:04:33,615 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-12 12:04:33,615 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-12 12:04:33,615 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use on-demand Petri net difference -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Size reduction to apply after Petri net difference -> REMOVE_REDUNDANT_FLOW [2022-12-12 12:04:33,914 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-12 12:04:33,931 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-12 12:04:33,933 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-12 12:04:33,933 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-12 12:04:33,934 INFO L275 PluginConnector]: CDTParser initialized [2022-12-12 12:04:33,935 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe029_tso.i [2022-12-12 12:04:35,154 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-12 12:04:35,423 INFO L351 CDTParser]: Found 1 translation units. [2022-12-12 12:04:35,423 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe029_tso.i [2022-12-12 12:04:35,437 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/55707eeba/e73c987b6c2a43fbbe27b451036ebd27/FLAGafa8f99f9 [2022-12-12 12:04:35,454 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/55707eeba/e73c987b6c2a43fbbe27b451036ebd27 [2022-12-12 12:04:35,456 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-12 12:04:35,457 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-12 12:04:35,459 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-12 12:04:35,459 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-12 12:04:35,462 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-12 12:04:35,463 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.12 12:04:35" (1/1) ... [2022-12-12 12:04:35,464 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b9243fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 12:04:35, skipping insertion in model container [2022-12-12 12:04:35,464 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.12 12:04:35" (1/1) ... [2022-12-12 12:04:35,469 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-12 12:04:35,521 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-12 12:04:35,686 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/safe029_tso.i[945,958] [2022-12-12 12:04:35,845 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 12:04:35,846 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 12:04:35,846 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 12:04:35,847 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 12:04:35,847 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 12:04:35,847 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 12:04:35,848 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 12:04:35,848 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 12:04:35,849 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 12:04:35,849 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 12:04:35,849 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 12:04:35,849 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 12:04:35,850 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 12:04:35,850 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 12:04:35,850 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 12:04:35,850 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 12:04:35,857 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 12:04:35,858 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 12:04:35,858 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 12:04:35,858 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 12:04:35,859 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 12:04:35,861 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 12:04:35,862 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-12 12:04:35,875 INFO L203 MainTranslator]: Completed pre-run [2022-12-12 12:04:35,887 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/safe029_tso.i[945,958] [2022-12-12 12:04:35,917 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 12:04:35,917 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 12:04:35,917 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 12:04:35,919 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 12:04:35,919 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 12:04:35,920 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 12:04:35,920 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 12:04:35,921 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 12:04:35,922 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 12:04:35,922 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 12:04:35,922 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 12:04:35,923 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 12:04:35,923 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 12:04:35,923 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 12:04:35,923 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 12:04:35,924 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 12:04:35,927 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 12:04:35,927 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 12:04:35,928 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 12:04:35,928 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 12:04:35,928 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 12:04:35,929 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 12:04:35,933 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-12 12:04:35,973 INFO L208 MainTranslator]: Completed translation [2022-12-12 12:04:35,973 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 12:04:35 WrapperNode [2022-12-12 12:04:35,973 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-12 12:04:35,975 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-12 12:04:35,975 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-12 12:04:35,975 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-12 12:04:35,979 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 12:04:35" (1/1) ... [2022-12-12 12:04:35,991 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 12:04:35" (1/1) ... [2022-12-12 12:04:36,007 INFO L138 Inliner]: procedures = 175, calls = 40, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 57 [2022-12-12 12:04:36,008 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-12 12:04:36,008 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-12 12:04:36,008 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-12 12:04:36,009 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-12 12:04:36,016 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 12:04:35" (1/1) ... [2022-12-12 12:04:36,016 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 12:04:35" (1/1) ... [2022-12-12 12:04:36,018 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 12:04:35" (1/1) ... [2022-12-12 12:04:36,019 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 12:04:35" (1/1) ... [2022-12-12 12:04:36,023 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 12:04:35" (1/1) ... [2022-12-12 12:04:36,024 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 12:04:35" (1/1) ... [2022-12-12 12:04:36,025 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 12:04:35" (1/1) ... [2022-12-12 12:04:36,026 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 12:04:35" (1/1) ... [2022-12-12 12:04:36,028 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-12 12:04:36,029 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-12 12:04:36,029 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-12 12:04:36,029 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-12 12:04:36,029 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 12:04:35" (1/1) ... [2022-12-12 12:04:36,034 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-12 12:04:36,045 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-12 12:04:36,061 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 12:04:36,088 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 12:04:36,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-12 12:04:36,142 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-12 12:04:36,142 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-12 12:04:36,142 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-12 12:04:36,142 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-12 12:04:36,142 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-12-12 12:04:36,142 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-12-12 12:04:36,142 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-12-12 12:04:36,142 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-12-12 12:04:36,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-12 12:04:36,142 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-12 12:04:36,143 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-12 12:04:36,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-12 12:04:36,144 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 12:04:36,298 INFO L236 CfgBuilder]: Building ICFG [2022-12-12 12:04:36,300 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-12 12:04:36,465 INFO L277 CfgBuilder]: Performing block encoding [2022-12-12 12:04:36,472 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-12 12:04:36,472 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-12 12:04:36,474 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.12 12:04:36 BoogieIcfgContainer [2022-12-12 12:04:36,474 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-12 12:04:36,476 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-12 12:04:36,476 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-12 12:04:36,479 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-12 12:04:36,479 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.12 12:04:35" (1/3) ... [2022-12-12 12:04:36,480 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e340891 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.12 12:04:36, skipping insertion in model container [2022-12-12 12:04:36,480 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 12:04:35" (2/3) ... [2022-12-12 12:04:36,480 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e340891 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.12 12:04:36, skipping insertion in model container [2022-12-12 12:04:36,480 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.12 12:04:36" (3/3) ... [2022-12-12 12:04:36,481 INFO L112 eAbstractionObserver]: Analyzing ICFG safe029_tso.i [2022-12-12 12:04:36,499 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-12 12:04:36,500 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-12 12:04:36,500 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-12 12:04:36,537 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-12 12:04:36,565 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 71 places, 66 transitions, 142 flow [2022-12-12 12:04:36,623 INFO L130 PetriNetUnfolder]: 2/64 cut-off events. [2022-12-12 12:04:36,624 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-12 12:04:36,628 INFO L83 FinitePrefix]: Finished finitePrefix Result has 71 conditions, 64 events. 2/64 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. 0/61 useless extension candidates. Maximal degree in co-relation 47. Up to 2 conditions per place. [2022-12-12 12:04:36,628 INFO L82 GeneralOperation]: Start removeDead. Operand has 71 places, 66 transitions, 142 flow [2022-12-12 12:04:36,633 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 60 places, 54 transitions, 114 flow [2022-12-12 12:04:36,651 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-12 12:04:36,658 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;@31da312c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-12 12:04:36,658 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-12-12 12:04:36,686 INFO L130 PetriNetUnfolder]: 1/53 cut-off events. [2022-12-12 12:04:36,687 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-12 12:04:36,687 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-12 12:04:36,688 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] [2022-12-12 12:04:36,689 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 12:04:36,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-12 12:04:36,695 INFO L85 PathProgramCache]: Analyzing trace with hash 1047517366, now seen corresponding path program 1 times [2022-12-12 12:04:36,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-12 12:04:36,704 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928176157] [2022-12-12 12:04:36,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-12 12:04:36,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-12 12:04:36,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-12 12:04:37,318 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 12:04:37,318 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-12 12:04:37,319 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [928176157] [2022-12-12 12:04:37,319 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [928176157] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-12 12:04:37,320 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-12 12:04:37,320 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-12 12:04:37,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268104853] [2022-12-12 12:04:37,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-12 12:04:37,331 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-12 12:04:37,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-12 12:04:37,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-12 12:04:37,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-12 12:04:37,366 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 51 out of 66 [2022-12-12 12:04:37,370 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 54 transitions, 114 flow. Second operand has 6 states, 6 states have (on average 52.5) internal successors, (315), 6 states have internal predecessors, (315), 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 12:04:37,371 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-12 12:04:37,371 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 51 of 66 [2022-12-12 12:04:37,375 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-12 12:04:37,596 INFO L130 PetriNetUnfolder]: 25/137 cut-off events. [2022-12-12 12:04:37,596 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-12-12 12:04:37,598 INFO L83 FinitePrefix]: Finished finitePrefix Result has 211 conditions, 137 events. 25/137 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 440 event pairs, 5 based on Foata normal form. 7/141 useless extension candidates. Maximal degree in co-relation 183. Up to 33 conditions per place. [2022-12-12 12:04:37,600 INFO L137 encePairwiseOnDemand]: 58/66 looper letters, 11 selfloop transitions, 3 changer transitions 19/75 dead transitions. [2022-12-12 12:04:37,601 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 75 transitions, 225 flow [2022-12-12 12:04:37,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-12 12:04:37,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2022-12-12 12:04:37,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 496 transitions. [2022-12-12 12:04:37,626 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.835016835016835 [2022-12-12 12:04:37,630 INFO L295 CegarLoopForPetriNet]: 60 programPoint places, 8 predicate places. [2022-12-12 12:04:37,632 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 75 transitions, 225 flow [2022-12-12 12:04:37,643 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 75 transitions, 218 flow, removed 2 selfloop flow, removed 2 redundant places. [2022-12-12 12:04:37,645 INFO L495 AbstractCegarLoop]: Abstraction has has 66 places, 75 transitions, 218 flow [2022-12-12 12:04:37,645 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 52.5) internal successors, (315), 6 states have internal predecessors, (315), 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 12:04:37,645 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-12 12:04:37,645 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] [2022-12-12 12:04:37,646 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-12 12:04:37,646 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 12:04:37,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-12 12:04:37,647 INFO L85 PathProgramCache]: Analyzing trace with hash 216585207, now seen corresponding path program 1 times [2022-12-12 12:04:37,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-12 12:04:37,647 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256345578] [2022-12-12 12:04:37,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-12 12:04:37,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-12 12:04:37,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-12 12:04:37,966 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 12:04:37,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-12 12:04:37,967 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1256345578] [2022-12-12 12:04:37,967 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1256345578] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-12 12:04:37,967 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-12 12:04:37,967 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-12 12:04:37,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [59334847] [2022-12-12 12:04:37,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-12 12:04:37,969 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-12 12:04:37,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-12 12:04:37,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-12 12:04:37,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-12-12 12:04:37,971 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 44 out of 66 [2022-12-12 12:04:37,971 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 75 transitions, 218 flow. Second operand has 8 states, 8 states have (on average 45.625) internal successors, (365), 8 states have internal predecessors, (365), 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 12:04:37,971 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-12 12:04:37,972 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 44 of 66 [2022-12-12 12:04:37,972 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-12 12:04:38,504 INFO L130 PetriNetUnfolder]: 393/922 cut-off events. [2022-12-12 12:04:38,504 INFO L131 PetriNetUnfolder]: For 150/202 co-relation queries the response was YES. [2022-12-12 12:04:38,508 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2024 conditions, 922 events. 393/922 cut-off events. For 150/202 co-relation queries the response was YES. Maximal size of possible extension queue 82. Compared 5713 event pairs, 1 based on Foata normal form. 24/938 useless extension candidates. Maximal degree in co-relation 1994. Up to 201 conditions per place. [2022-12-12 12:04:38,511 INFO L137 encePairwiseOnDemand]: 53/66 looper letters, 37 selfloop transitions, 18 changer transitions 164/254 dead transitions. [2022-12-12 12:04:38,511 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 254 transitions, 1264 flow [2022-12-12 12:04:38,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-12-12 12:04:38,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2022-12-12 12:04:38,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 1067 transitions. [2022-12-12 12:04:38,514 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.7698412698412699 [2022-12-12 12:04:38,515 INFO L295 CegarLoopForPetriNet]: 60 programPoint places, 26 predicate places. [2022-12-12 12:04:38,515 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 86 places, 254 transitions, 1264 flow [2022-12-12 12:04:38,524 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 86 places, 254 transitions, 1260 flow, removed 2 selfloop flow, removed 0 redundant places. [2022-12-12 12:04:38,524 INFO L495 AbstractCegarLoop]: Abstraction has has 86 places, 254 transitions, 1260 flow [2022-12-12 12:04:38,524 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 45.625) internal successors, (365), 8 states have internal predecessors, (365), 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 12:04:38,525 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-12 12:04:38,525 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] [2022-12-12 12:04:38,525 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-12 12:04:38,525 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 12:04:38,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-12 12:04:38,526 INFO L85 PathProgramCache]: Analyzing trace with hash -898079028, now seen corresponding path program 1 times [2022-12-12 12:04:38,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-12 12:04:38,526 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1104830367] [2022-12-12 12:04:38,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-12 12:04:38,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-12 12:04:38,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-12 12:04:38,676 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 12:04:38,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-12 12:04:38,676 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1104830367] [2022-12-12 12:04:38,677 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1104830367] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-12 12:04:38,677 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-12 12:04:38,677 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-12 12:04:38,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949650843] [2022-12-12 12:04:38,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-12 12:04:38,677 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-12 12:04:38,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-12 12:04:38,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-12 12:04:38,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-12 12:04:38,679 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 51 out of 66 [2022-12-12 12:04:38,679 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 86 places, 254 transitions, 1260 flow. Second operand has 6 states, 6 states have (on average 52.5) internal successors, (315), 6 states have internal predecessors, (315), 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 12:04:38,679 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-12 12:04:38,679 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 51 of 66 [2022-12-12 12:04:38,679 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-12 12:04:38,809 INFO L130 PetriNetUnfolder]: 146/443 cut-off events. [2022-12-12 12:04:38,809 INFO L131 PetriNetUnfolder]: For 126/140 co-relation queries the response was YES. [2022-12-12 12:04:38,810 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1029 conditions, 443 events. 146/443 cut-off events. For 126/140 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 2305 event pairs, 4 based on Foata normal form. 6/431 useless extension candidates. Maximal degree in co-relation 997. Up to 121 conditions per place. [2022-12-12 12:04:38,811 INFO L137 encePairwiseOnDemand]: 57/66 looper letters, 11 selfloop transitions, 8 changer transitions 66/136 dead transitions. [2022-12-12 12:04:38,811 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 80 places, 136 transitions, 648 flow [2022-12-12 12:04:38,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-12 12:04:38,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2022-12-12 12:04:38,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 548 transitions. [2022-12-12 12:04:38,813 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.8303030303030303 [2022-12-12 12:04:38,814 INFO L295 CegarLoopForPetriNet]: 60 programPoint places, 20 predicate places. [2022-12-12 12:04:38,814 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 80 places, 136 transitions, 648 flow [2022-12-12 12:04:38,817 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 79 places, 136 transitions, 574 flow, removed 36 selfloop flow, removed 1 redundant places. [2022-12-12 12:04:38,817 INFO L495 AbstractCegarLoop]: Abstraction has has 79 places, 136 transitions, 574 flow [2022-12-12 12:04:38,818 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 52.5) internal successors, (315), 6 states have internal predecessors, (315), 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 12:04:38,818 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-12 12:04:38,818 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] [2022-12-12 12:04:38,818 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-12 12:04:38,818 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 12:04:38,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-12 12:04:38,819 INFO L85 PathProgramCache]: Analyzing trace with hash -1724351061, now seen corresponding path program 1 times [2022-12-12 12:04:38,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-12 12:04:38,819 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [170062048] [2022-12-12 12:04:38,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-12 12:04:38,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-12 12:04:38,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-12 12:04:38,987 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 12:04:38,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-12 12:04:38,988 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [170062048] [2022-12-12 12:04:38,988 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [170062048] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-12 12:04:38,988 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-12 12:04:38,988 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-12 12:04:38,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921162598] [2022-12-12 12:04:38,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-12 12:04:38,991 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-12 12:04:38,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-12 12:04:38,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-12 12:04:38,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-12-12 12:04:38,993 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 51 out of 66 [2022-12-12 12:04:38,994 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 79 places, 136 transitions, 574 flow. Second operand has 7 states, 7 states have (on average 52.42857142857143) internal successors, (367), 7 states have internal predecessors, (367), 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 12:04:38,994 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-12 12:04:38,994 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 51 of 66 [2022-12-12 12:04:38,994 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-12 12:04:39,138 INFO L130 PetriNetUnfolder]: 97/327 cut-off events. [2022-12-12 12:04:39,139 INFO L131 PetriNetUnfolder]: For 167/230 co-relation queries the response was YES. [2022-12-12 12:04:39,140 INFO L83 FinitePrefix]: Finished finitePrefix Result has 881 conditions, 327 events. 97/327 cut-off events. For 167/230 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 1760 event pairs, 2 based on Foata normal form. 33/353 useless extension candidates. Maximal degree in co-relation 847. Up to 87 conditions per place. [2022-12-12 12:04:39,141 INFO L137 encePairwiseOnDemand]: 57/66 looper letters, 0 selfloop transitions, 0 changer transitions 116/116 dead transitions. [2022-12-12 12:04:39,141 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 116 transitions, 634 flow [2022-12-12 12:04:39,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-12 12:04:39,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2022-12-12 12:04:39,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 702 transitions. [2022-12-12 12:04:39,143 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.8181818181818182 [2022-12-12 12:04:39,144 INFO L295 CegarLoopForPetriNet]: 60 programPoint places, 26 predicate places. [2022-12-12 12:04:39,144 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 86 places, 116 transitions, 634 flow [2022-12-12 12:04:39,146 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 116 transitions, 581 flow, removed 15 selfloop flow, removed 6 redundant places. [2022-12-12 12:04:39,147 INFO L495 AbstractCegarLoop]: Abstraction has has 80 places, 116 transitions, 581 flow [2022-12-12 12:04:39,147 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 52.42857142857143) internal successors, (367), 7 states have internal predecessors, (367), 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 12:04:39,150 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2022-12-12 12:04:39,150 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2022-12-12 12:04:39,150 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2022-12-12 12:04:39,150 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-12 12:04:39,151 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-12-12 12:04:39,153 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-12 12:04:39,154 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-12 12:04:39,158 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.12 12:04:39 BasicIcfg [2022-12-12 12:04:39,159 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-12 12:04:39,159 INFO L158 Benchmark]: Toolchain (without parser) took 3702.04ms. Allocated memory was 215.0MB in the beginning and 288.4MB in the end (delta: 73.4MB). Free memory was 189.4MB in the beginning and 209.3MB in the end (delta: -19.9MB). Peak memory consumption was 55.1MB. Max. memory is 8.0GB. [2022-12-12 12:04:39,160 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 215.0MB. Free memory was 190.8MB in the beginning and 190.6MB in the end (delta: 152.1kB). There was no memory consumed. Max. memory is 8.0GB. [2022-12-12 12:04:39,160 INFO L158 Benchmark]: CACSL2BoogieTranslator took 514.68ms. Allocated memory is still 215.0MB. Free memory was 189.4MB in the beginning and 167.4MB in the end (delta: 22.0MB). Peak memory consumption was 22.0MB. Max. memory is 8.0GB. [2022-12-12 12:04:39,160 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.23ms. Allocated memory is still 215.0MB. Free memory was 167.4MB in the beginning and 165.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-12-12 12:04:39,161 INFO L158 Benchmark]: Boogie Preprocessor took 19.58ms. Allocated memory is still 215.0MB. Free memory was 165.3MB in the beginning and 164.2MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-12-12 12:04:39,161 INFO L158 Benchmark]: RCFGBuilder took 445.16ms. Allocated memory is still 215.0MB. Free memory was 164.2MB in the beginning and 151.1MB in the end (delta: 13.1MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2022-12-12 12:04:39,161 INFO L158 Benchmark]: TraceAbstraction took 2682.57ms. Allocated memory was 215.0MB in the beginning and 288.4MB in the end (delta: 73.4MB). Free memory was 150.1MB in the beginning and 209.3MB in the end (delta: -59.2MB). Peak memory consumption was 15.2MB. Max. memory is 8.0GB. [2022-12-12 12:04:39,163 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 215.0MB. Free memory was 190.8MB in the beginning and 190.6MB in the end (delta: 152.1kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 514.68ms. Allocated memory is still 215.0MB. Free memory was 189.4MB in the beginning and 167.4MB in the end (delta: 22.0MB). Peak memory consumption was 22.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 33.23ms. Allocated memory is still 215.0MB. Free memory was 167.4MB in the beginning and 165.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 19.58ms. Allocated memory is still 215.0MB. Free memory was 165.3MB in the beginning and 164.2MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 445.16ms. Allocated memory is still 215.0MB. Free memory was 164.2MB in the beginning and 151.1MB in the end (delta: 13.1MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * TraceAbstraction took 2682.57ms. Allocated memory was 215.0MB in the beginning and 288.4MB in the end (delta: 73.4MB). Free memory was 150.1MB in the beginning and 209.3MB in the end (delta: -59.2MB). Peak memory consumption was 15.2MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - 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, 81 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: 2.6s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 228 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 228 mSDsluCounter, 224 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 176 mSDsCounter, 14 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 253 IncrementalHoareTripleChecker+Invalid, 267 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 14 mSolverCounterUnsat, 48 mSDtfsCounter, 253 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 62 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 143 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1260occurred in iteration=2, InterpolantAutomatonStates: 53, 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, 138 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 172 NumberOfCodeBlocks, 172 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 168 ConstructedInterpolants, 0 QuantifiedInterpolants, 644 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 12:04:39,177 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...