/usr/bin/java -Xmx16000000000 -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-POR-NewStatesSleepPersistentFixedOrder-NoLbe-LoopLockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe005_tso.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-ba0fd47f62a02cd5486659f03d300faf678a2e90-ba0fd47 [2021-11-14 08:12:35,719 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-14 08:12:35,721 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-14 08:12:35,800 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-14 08:12:35,800 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-14 08:12:35,801 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-14 08:12:35,801 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-14 08:12:35,803 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-14 08:12:35,805 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-14 08:12:35,808 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-14 08:12:35,809 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-14 08:12:35,810 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-14 08:12:35,811 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-14 08:12:35,812 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-14 08:12:35,813 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-14 08:12:35,816 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-14 08:12:35,816 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-14 08:12:35,816 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-14 08:12:35,817 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-14 08:12:35,818 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-14 08:12:35,819 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-14 08:12:35,821 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-14 08:12:35,822 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-14 08:12:35,823 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-14 08:12:35,829 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-11-14 08:12:35,830 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-14 08:12:35,831 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-14 08:12:35,831 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-14 08:12:35,831 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-14 08:12:35,832 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-14 08:12:35,832 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-14 08:12:35,832 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-14 08:12:35,833 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-14 08:12:35,833 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-14 08:12:35,833 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-14 08:12:35,833 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-14 08:12:35,837 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-POR-NewStatesSleepPersistentFixedOrder-NoLbe-LoopLockstep.epf [2021-11-14 08:12:35,860 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-14 08:12:35,861 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-14 08:12:35,861 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-14 08:12:35,861 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-14 08:12:35,862 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-14 08:12:35,862 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-14 08:12:35,862 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-14 08:12:35,862 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-14 08:12:35,862 INFO L138 SettingsManager]: * Use SBE=true [2021-11-14 08:12:35,862 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-14 08:12:35,863 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-14 08:12:35,863 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-14 08:12:35,863 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-14 08:12:35,863 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-14 08:12:35,863 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-14 08:12:35,863 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-14 08:12:35,863 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-14 08:12:35,863 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-14 08:12:35,864 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-14 08:12:35,864 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-14 08:12:35,864 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-14 08:12:35,864 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-14 08:12:35,864 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-14 08:12:35,864 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-11-14 08:12:35,865 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-14 08:12:35,865 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-14 08:12:35,865 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-14 08:12:35,865 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-14 08:12:35,865 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-14 08:12:35,865 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-14 08:12:35,865 INFO L138 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2021-11-14 08:12:35,865 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-14 08:12:35,866 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-14 08:12:35,866 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-11-14 08:12:35,866 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-14 08:12:35,866 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-11-14 08:12:35,866 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-11-14 08:12:35,866 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-11-14 08:12:36,045 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-14 08:12:36,065 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-14 08:12:36,067 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-14 08:12:36,067 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-14 08:12:36,083 INFO L275 PluginConnector]: CDTParser initialized [2021-11-14 08:12:36,084 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe005_tso.i [2021-11-14 08:12:36,132 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ec3eb8cd/113d7189b3584a4191e85426e385437d/FLAG1baeb3747 [2021-11-14 08:12:36,497 INFO L306 CDTParser]: Found 1 translation units. [2021-11-14 08:12:36,497 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe005_tso.i [2021-11-14 08:12:36,505 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ec3eb8cd/113d7189b3584a4191e85426e385437d/FLAG1baeb3747 [2021-11-14 08:12:36,515 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ec3eb8cd/113d7189b3584a4191e85426e385437d [2021-11-14 08:12:36,516 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-14 08:12:36,517 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-11-14 08:12:36,522 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-14 08:12:36,522 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-14 08:12:36,524 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-14 08:12:36,525 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 08:12:36" (1/1) ... [2021-11-14 08:12:36,525 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d1ab818 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 08:12:36, skipping insertion in model container [2021-11-14 08:12:36,525 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 08:12:36" (1/1) ... [2021-11-14 08:12:36,529 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-14 08:12:36,550 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-14 08:12:36,699 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe005_tso.i[945,958] [2021-11-14 08:12:36,823 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-14 08:12:36,828 INFO L203 MainTranslator]: Completed pre-run [2021-11-14 08:12:36,835 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe005_tso.i[945,958] [2021-11-14 08:12:36,867 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-14 08:12:36,891 INFO L208 MainTranslator]: Completed translation [2021-11-14 08:12:36,891 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 08:12:36 WrapperNode [2021-11-14 08:12:36,891 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-14 08:12:36,892 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-14 08:12:36,892 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-14 08:12:36,892 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-14 08:12:36,896 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 08:12:36" (1/1) ... [2021-11-14 08:12:36,918 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 08:12:36" (1/1) ... [2021-11-14 08:12:36,934 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-14 08:12:36,934 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-14 08:12:36,934 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-14 08:12:36,934 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-14 08:12:36,939 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 08:12:36" (1/1) ... [2021-11-14 08:12:36,939 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 08:12:36" (1/1) ... [2021-11-14 08:12:36,948 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 08:12:36" (1/1) ... [2021-11-14 08:12:36,948 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 08:12:36" (1/1) ... [2021-11-14 08:12:36,959 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 08:12:36" (1/1) ... [2021-11-14 08:12:36,960 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 08:12:36" (1/1) ... [2021-11-14 08:12:36,960 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 08:12:36" (1/1) ... [2021-11-14 08:12:36,964 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-14 08:12:36,964 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-14 08:12:36,964 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-14 08:12:36,965 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-14 08:12:36,965 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 08:12:36" (1/1) ... [2021-11-14 08:12:36,974 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-14 08:12:36,981 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 08:12:36,989 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) [2021-11-14 08:12:36,995 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 [2021-11-14 08:12:37,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-14 08:12:37,012 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-14 08:12:37,012 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-14 08:12:37,012 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-14 08:12:37,012 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-14 08:12:37,012 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-11-14 08:12:37,012 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-11-14 08:12:37,012 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-11-14 08:12:37,013 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-11-14 08:12:37,013 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-11-14 08:12:37,013 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-11-14 08:12:37,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-14 08:12:37,013 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-14 08:12:37,013 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-14 08:12:37,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-14 08:12:37,014 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-14 08:12:37,205 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-14 08:12:37,206 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-14 08:12:37,207 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 08:12:37 BoogieIcfgContainer [2021-11-14 08:12:37,207 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-14 08:12:37,208 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-14 08:12:37,208 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-14 08:12:37,225 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-14 08:12:37,225 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 08:12:36" (1/3) ... [2021-11-14 08:12:37,226 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4919a3ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 08:12:37, skipping insertion in model container [2021-11-14 08:12:37,226 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 08:12:36" (2/3) ... [2021-11-14 08:12:37,226 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4919a3ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 08:12:37, skipping insertion in model container [2021-11-14 08:12:37,226 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 08:12:37" (3/3) ... [2021-11-14 08:12:37,227 INFO L111 eAbstractionObserver]: Analyzing ICFG safe005_tso.i [2021-11-14 08:12:37,230 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-14 08:12:37,231 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-14 08:12:37,231 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-14 08:12:37,231 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-14 08:12:37,258 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:12:37,258 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:12:37,258 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:12:37,259 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:12:37,259 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:12:37,259 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:12:37,259 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:12:37,259 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:12:37,259 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:12:37,259 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:12:37,259 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:12:37,260 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:12:37,260 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:12:37,260 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:12:37,260 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:12:37,260 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:12:37,260 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:12:37,260 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:12:37,260 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:12:37,260 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:12:37,261 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:12:37,261 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:12:37,261 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:12:37,261 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:12:37,261 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:12:37,261 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:12:37,261 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:12:37,261 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:12:37,262 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:12:37,262 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:12:37,262 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:12:37,262 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:12:37,262 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:12:37,262 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:12:37,262 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:12:37,262 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:12:37,264 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:12:37,264 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:12:37,264 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:12:37,264 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:12:37,271 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:12:37,271 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:12:37,271 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:12:37,271 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:12:37,272 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:12:37,273 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:12:37,273 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:12:37,273 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:12:37,274 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-11-14 08:12:37,312 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-11-14 08:12:37,312 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 08:12:37,313 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-11-14 08:12:37,343 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-11-14 08:12:37,346 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-11-14 08:12:37,351 INFO L339 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=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-14 08:12:37,351 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-11-14 08:12:37,469 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-14 08:12:37,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 08:12:37,472 INFO L85 PathProgramCache]: Analyzing trace with hash 2110390019, now seen corresponding path program 1 times [2021-11-14 08:12:37,477 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 08:12:37,478 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829392956] [2021-11-14 08:12:37,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 08:12:37,478 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 08:12:37,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 08:12:37,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 08:12:37,634 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 08:12:37,635 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1829392956] [2021-11-14 08:12:37,635 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1829392956] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-14 08:12:37,635 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-14 08:12:37,636 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-14 08:12:37,637 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142923538] [2021-11-14 08:12:37,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-14 08:12:37,642 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-14 08:12:37,642 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 08:12:37,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-14 08:12:37,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-14 08:12:37,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:12:37,660 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 08:12:37,661 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 34.0) internal successors, (68), 2 states have internal predecessors, (68), 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) [2021-11-14 08:12:37,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:12:37,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:12:37,693 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-14 08:12:37,693 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-14 08:12:37,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 08:12:37,693 INFO L85 PathProgramCache]: Analyzing trace with hash 410702637, now seen corresponding path program 1 times [2021-11-14 08:12:37,693 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 08:12:37,694 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [687298977] [2021-11-14 08:12:37,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 08:12:37,694 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 08:12:37,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 08:12:37,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 08:12:37,803 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 08:12:37,803 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [687298977] [2021-11-14 08:12:37,803 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [687298977] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-14 08:12:37,803 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-14 08:12:37,803 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-14 08:12:37,803 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126324374] [2021-11-14 08:12:37,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-14 08:12:37,804 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-14 08:12:37,804 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 08:12:37,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-14 08:12:37,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-14 08:12:37,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:12:37,805 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 08:12:37,805 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 6 states have internal predecessors, (67), 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) [2021-11-14 08:12:37,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:12:37,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:12:37,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:12:37,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-14 08:12:37,881 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-14 08:12:37,881 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-14 08:12:37,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 08:12:37,882 INFO L85 PathProgramCache]: Analyzing trace with hash -511569652, now seen corresponding path program 1 times [2021-11-14 08:12:37,882 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 08:12:37,882 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [230935173] [2021-11-14 08:12:37,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 08:12:37,882 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 08:12:37,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 08:12:38,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 08:12:38,051 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 08:12:38,051 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [230935173] [2021-11-14 08:12:38,051 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [230935173] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-14 08:12:38,051 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-14 08:12:38,051 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-14 08:12:38,052 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1770546567] [2021-11-14 08:12:38,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-14 08:12:38,052 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-14 08:12:38,052 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 08:12:38,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-14 08:12:38,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-14 08:12:38,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:12:38,053 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 08:12:38,053 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.625) internal successors, (69), 8 states have internal predecessors, (69), 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) [2021-11-14 08:12:38,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:12:38,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-14 08:12:38,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:12:38,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:12:38,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-14 08:12:38,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-14 08:12:38,148 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-14 08:12:38,148 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-14 08:12:38,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 08:12:38,149 INFO L85 PathProgramCache]: Analyzing trace with hash -367151825, now seen corresponding path program 1 times [2021-11-14 08:12:38,149 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 08:12:38,149 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4017562] [2021-11-14 08:12:38,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 08:12:38,149 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 08:12:38,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 08:12:38,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 08:12:38,327 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 08:12:38,327 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [4017562] [2021-11-14 08:12:38,327 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [4017562] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-14 08:12:38,327 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-14 08:12:38,327 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-14 08:12:38,328 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [236760673] [2021-11-14 08:12:38,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-14 08:12:38,328 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-14 08:12:38,328 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 08:12:38,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-14 08:12:38,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-14 08:12:38,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:12:38,329 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 08:12:38,329 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 7 states have internal predecessors, (71), 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) [2021-11-14 08:12:38,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:12:38,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-14 08:12:38,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-14 08:12:38,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:12:38,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:12:38,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-14 08:12:38,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-14 08:12:38,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-14 08:12:38,961 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2021-11-14 08:12:38,961 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2021-11-14 08:12:38,961 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2021-11-14 08:12:38,961 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2021-11-14 08:12:38,961 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-14 08:12:38,969 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2021-11-14 08:12:38,970 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-11-14 08:12:38,970 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-14 08:12:38,972 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 08:12:38 BasicIcfg [2021-11-14 08:12:38,972 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-14 08:12:38,973 INFO L158 Benchmark]: Toolchain (without parser) took 2455.32ms. Allocated memory is still 404.8MB. Free memory was 349.3MB in the beginning and 334.0MB in the end (delta: 15.4MB). Peak memory consumption was 222.6MB. Max. memory is 16.0GB. [2021-11-14 08:12:38,973 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 404.8MB. Free memory is still 367.1MB. There was no memory consumed. Max. memory is 16.0GB. [2021-11-14 08:12:38,974 INFO L158 Benchmark]: CACSL2BoogieTranslator took 369.78ms. Allocated memory is still 404.8MB. Free memory was 349.2MB in the beginning and 367.2MB in the end (delta: -18.1MB). Peak memory consumption was 19.5MB. Max. memory is 16.0GB. [2021-11-14 08:12:38,978 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.71ms. Allocated memory is still 404.8MB. Free memory was 367.2MB in the beginning and 365.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2021-11-14 08:12:38,979 INFO L158 Benchmark]: Boogie Preprocessor took 29.72ms. Allocated memory is still 404.8MB. Free memory was 365.1MB in the beginning and 364.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2021-11-14 08:12:38,980 INFO L158 Benchmark]: RCFGBuilder took 242.73ms. Allocated memory is still 404.8MB. Free memory was 364.1MB in the beginning and 349.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.0GB. [2021-11-14 08:12:38,980 INFO L158 Benchmark]: TraceAbstraction took 1764.14ms. Allocated memory is still 404.8MB. Free memory was 348.4MB in the beginning and 334.0MB in the end (delta: 14.4MB). Peak memory consumption was 222.0MB. Max. memory is 16.0GB. [2021-11-14 08:12:38,981 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 404.8MB. Free memory is still 367.1MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 369.78ms. Allocated memory is still 404.8MB. Free memory was 349.2MB in the beginning and 367.2MB in the end (delta: -18.1MB). Peak memory consumption was 19.5MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 41.71ms. Allocated memory is still 404.8MB. Free memory was 367.2MB in the beginning and 365.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 29.72ms. Allocated memory is still 404.8MB. Free memory was 365.1MB in the beginning and 364.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 242.73ms. Allocated memory is still 404.8MB. Free memory was 364.1MB in the beginning and 349.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.0GB. * TraceAbstraction took 1764.14ms. Allocated memory is still 404.8MB. Free memory was 348.4MB in the beginning and 334.0MB in the end (delta: 14.4MB). Peak memory consumption was 222.0MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 19876, positive: 19079, positive conditional: 17763, positive unconditional: 1316, negative: 797, negative conditional: 770, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 19805, positive: 19079, positive conditional: 17763, positive unconditional: 1316, negative: 726, negative conditional: 699, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 19805, positive: 19079, positive conditional: 17763, positive unconditional: 1316, negative: 726, negative conditional: 699, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 21460, positive: 19079, positive conditional: 17587, positive unconditional: 1492, negative: 2381, negative conditional: 1655, negative unconditional: 726, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 21460, positive: 19079, positive conditional: 6193, positive unconditional: 12886, negative: 2381, negative conditional: 472, negative unconditional: 1909, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 21460, positive: 19079, positive conditional: 6193, positive unconditional: 12886, negative: 2381, negative conditional: 472, negative unconditional: 1909, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1369, positive: 1332, positive conditional: 10, positive unconditional: 1322, negative: 37, negative conditional: 10, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1369, positive: 1316, positive conditional: 0, positive unconditional: 1316, negative: 53, negative conditional: 0, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 53, positive: 16, positive conditional: 10, positive unconditional: 6, negative: 37, negative conditional: 10, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 86, positive: 21, positive conditional: 12, positive unconditional: 9, negative: 65, negative conditional: 9, negative unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 21460, positive: 17747, positive conditional: 6183, positive unconditional: 11564, negative: 2344, negative conditional: 462, negative unconditional: 1882, unknown: 1369, unknown conditional: 20, unknown unconditional: 1349] , Statistics on independence cache: Total cache size (in pairs): 1369, Positive cache size: 1332, Positive conditional cache size: 10, Positive unconditional cache size: 1322, Negative cache size: 37, Negative conditional cache size: 10, Negative unconditional cache size: 27, Eliminated conditions: 12577, Maximal queried relation: 3, Independence queries for same thread: 71 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 196.05ms, Number of persistent set computation: 1862, Number of trivial persistent sets: 699, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1343, positive: 1316, positive conditional: 0, positive unconditional: 1316, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 19876, positive: 19079, positive conditional: 17763, positive unconditional: 1316, negative: 797, negative conditional: 770, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 19805, positive: 19079, positive conditional: 17763, positive unconditional: 1316, negative: 726, negative conditional: 699, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 19805, positive: 19079, positive conditional: 17763, positive unconditional: 1316, negative: 726, negative conditional: 699, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 21460, positive: 19079, positive conditional: 17587, positive unconditional: 1492, negative: 2381, negative conditional: 1655, negative unconditional: 726, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 21460, positive: 19079, positive conditional: 6193, positive unconditional: 12886, negative: 2381, negative conditional: 472, negative unconditional: 1909, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 21460, positive: 19079, positive conditional: 6193, positive unconditional: 12886, negative: 2381, negative conditional: 472, negative unconditional: 1909, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1369, positive: 1332, positive conditional: 10, positive unconditional: 1322, negative: 37, negative conditional: 10, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1369, positive: 1316, positive conditional: 0, positive unconditional: 1316, negative: 53, negative conditional: 0, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 53, positive: 16, positive conditional: 10, positive unconditional: 6, negative: 37, negative conditional: 10, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 86, positive: 21, positive conditional: 12, positive unconditional: 9, negative: 65, negative conditional: 9, negative unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 21460, positive: 17747, positive conditional: 6183, positive unconditional: 11564, negative: 2344, negative conditional: 462, negative unconditional: 1882, unknown: 1369, unknown conditional: 20, unknown unconditional: 1349] , Statistics on independence cache: Total cache size (in pairs): 1369, Positive cache size: 1332, Positive conditional cache size: 10, Positive unconditional cache size: 1322, Negative cache size: 37, Negative conditional cache size: 10, Negative unconditional cache size: 27, Eliminated conditions: 12577, Maximal queried relation: 3, Independence queries for same thread: 71 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - 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 for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 115 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.9s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 32, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 275 NumberOfCodeBlocks, 275 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 271 ConstructedInterpolants, 0 QuantifiedInterpolants, 713 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! [2021-11-14 08:12:39,005 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2021-11-14 08:12:39,218 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...