/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-POR-NewStatesSleepPersistentFixedOrder-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/parallel-misc-3.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-?-bc289cb [2022-01-28 23:55:43,538 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-28 23:55:43,540 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-28 23:55:43,583 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-28 23:55:43,583 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-28 23:55:43,584 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-28 23:55:43,585 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-28 23:55:43,595 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-28 23:55:43,599 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-28 23:55:43,604 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-28 23:55:43,605 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-28 23:55:43,608 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-28 23:55:43,608 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-28 23:55:43,610 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-28 23:55:43,611 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-28 23:55:43,613 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-28 23:55:43,614 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-28 23:55:43,614 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-28 23:55:43,619 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-28 23:55:43,620 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-28 23:55:43,621 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-28 23:55:43,625 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-28 23:55:43,626 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-28 23:55:43,627 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-28 23:55:43,628 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-28 23:55:43,631 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-28 23:55:43,631 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-28 23:55:43,632 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-28 23:55:43,632 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-28 23:55:43,633 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-28 23:55:43,633 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-28 23:55:43,634 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-28 23:55:43,634 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-28 23:55:43,634 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-28 23:55:43,635 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-28 23:55:43,639 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-28 23:55:43,643 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.epf [2022-01-28 23:55:43,671 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-28 23:55:43,672 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-28 23:55:43,672 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-28 23:55:43,672 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-28 23:55:43,673 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-28 23:55:43,673 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-28 23:55:43,673 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-28 23:55:43,674 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-28 23:55:43,674 INFO L138 SettingsManager]: * Use SBE=true [2022-01-28 23:55:43,674 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-28 23:55:43,675 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-28 23:55:43,675 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-28 23:55:43,675 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-28 23:55:43,675 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-28 23:55:43,675 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-28 23:55:43,675 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-28 23:55:43,675 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-28 23:55:43,675 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-28 23:55:43,676 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-28 23:55:43,676 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-28 23:55:43,676 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-28 23:55:43,676 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-28 23:55:43,676 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-28 23:55:43,676 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-28 23:55:43,677 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-28 23:55:43,677 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-28 23:55:43,677 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-28 23:55:43,678 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-28 23:55:43,678 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-28 23:55:43,678 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-28 23:55:43,678 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-28 23:55:43,678 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-28 23:55:43,678 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-01-28 23:55:43,678 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-28 23:55:43,679 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-01-28 23:55:43,679 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-01-28 23:55:43,679 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-01-28 23:55:43,873 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-28 23:55:43,893 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-28 23:55:43,894 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-28 23:55:43,895 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-28 23:55:43,897 INFO L275 PluginConnector]: CDTParser initialized [2022-01-28 23:55:43,898 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-misc-3.wvr.c [2022-01-28 23:55:43,949 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/831a56ca5/f202bb240a45476ba7db2533867db90d/FLAG5bbb51f7c [2022-01-28 23:55:44,295 INFO L306 CDTParser]: Found 1 translation units. [2022-01-28 23:55:44,296 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-misc-3.wvr.c [2022-01-28 23:55:44,301 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/831a56ca5/f202bb240a45476ba7db2533867db90d/FLAG5bbb51f7c [2022-01-28 23:55:44,710 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/831a56ca5/f202bb240a45476ba7db2533867db90d [2022-01-28 23:55:44,712 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-28 23:55:44,713 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-28 23:55:44,715 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-28 23:55:44,715 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-28 23:55:44,717 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-28 23:55:44,718 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.01 11:55:44" (1/1) ... [2022-01-28 23:55:44,719 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e70e392 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 11:55:44, skipping insertion in model container [2022-01-28 23:55:44,719 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.01 11:55:44" (1/1) ... [2022-01-28 23:55:44,724 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-28 23:55:44,737 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-28 23:55:44,892 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-misc-3.wvr.c[2410,2423] [2022-01-28 23:55:44,897 INFO L209 PostProcessor]: Analyzing one entry point: main [2022-01-28 23:55:44,902 INFO L203 MainTranslator]: Completed pre-run [2022-01-28 23:55:44,922 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-misc-3.wvr.c[2410,2423] [2022-01-28 23:55:44,923 INFO L209 PostProcessor]: Analyzing one entry point: main [2022-01-28 23:55:44,933 INFO L208 MainTranslator]: Completed translation [2022-01-28 23:55:44,933 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 11:55:44 WrapperNode [2022-01-28 23:55:44,933 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-28 23:55:44,934 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-28 23:55:44,934 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-28 23:55:44,934 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-28 23:55:44,944 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 11:55:44" (1/1) ... [2022-01-28 23:55:44,955 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 11:55:44" (1/1) ... [2022-01-28 23:55:44,970 INFO L137 Inliner]: procedures = 21, calls = 27, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 53 [2022-01-28 23:55:44,970 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-28 23:55:44,971 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-28 23:55:44,971 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-28 23:55:44,971 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-28 23:55:44,977 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 11:55:44" (1/1) ... [2022-01-28 23:55:44,977 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 11:55:44" (1/1) ... [2022-01-28 23:55:44,979 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 11:55:44" (1/1) ... [2022-01-28 23:55:44,980 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 11:55:44" (1/1) ... [2022-01-28 23:55:44,983 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 11:55:44" (1/1) ... [2022-01-28 23:55:44,986 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 11:55:44" (1/1) ... [2022-01-28 23:55:44,987 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 11:55:44" (1/1) ... [2022-01-28 23:55:44,989 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-28 23:55:44,990 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-28 23:55:44,990 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-28 23:55:44,990 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-28 23:55:44,991 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 11:55:44" (1/1) ... [2022-01-28 23:55:45,002 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-28 23:55:45,011 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-28 23:55:45,020 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) [2022-01-28 23:55:45,033 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 [2022-01-28 23:55:45,052 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-28 23:55:45,052 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-01-28 23:55:45,052 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-01-28 23:55:45,052 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-01-28 23:55:45,052 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-01-28 23:55:45,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-28 23:55:45,053 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-28 23:55:45,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-28 23:55:45,053 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-01-28 23:55:45,053 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-01-28 23:55:45,053 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-28 23:55:45,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-28 23:55:45,053 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-28 23:55:45,054 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-28 23:55:45,055 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-01-28 23:55:45,114 INFO L234 CfgBuilder]: Building ICFG [2022-01-28 23:55:45,115 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-28 23:55:45,298 INFO L275 CfgBuilder]: Performing block encoding [2022-01-28 23:55:45,318 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-28 23:55:45,318 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-01-28 23:55:45,320 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.01 11:55:45 BoogieIcfgContainer [2022-01-28 23:55:45,320 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-28 23:55:45,327 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-28 23:55:45,328 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-28 23:55:45,331 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-28 23:55:45,331 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.01 11:55:44" (1/3) ... [2022-01-28 23:55:45,331 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19b4c7c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.01 11:55:45, skipping insertion in model container [2022-01-28 23:55:45,331 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 11:55:44" (2/3) ... [2022-01-28 23:55:45,332 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19b4c7c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.01 11:55:45, skipping insertion in model container [2022-01-28 23:55:45,332 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.01 11:55:45" (3/3) ... [2022-01-28 23:55:45,332 INFO L111 eAbstractionObserver]: Analyzing ICFG parallel-misc-3.wvr.c [2022-01-28 23:55:45,336 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-01-28 23:55:45,336 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-28 23:55:45,336 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-28 23:55:45,336 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-01-28 23:55:45,364 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 23:55:45,365 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 23:55:45,365 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 23:55:45,365 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 23:55:45,365 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 23:55:45,366 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 23:55:45,366 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 23:55:45,366 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 23:55:45,366 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 23:55:45,366 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 23:55:45,366 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 23:55:45,367 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 23:55:45,367 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 23:55:45,367 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 23:55:45,367 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 23:55:45,367 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 23:55:45,368 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 23:55:45,368 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 23:55:45,368 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 23:55:45,368 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 23:55:45,369 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 23:55:45,369 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 23:55:45,369 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 23:55:45,369 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 23:55:45,370 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 23:55:45,370 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 23:55:45,370 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 23:55:45,370 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 23:55:45,372 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 23:55:45,373 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 23:55:45,373 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 23:55:45,373 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 23:55:45,373 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 23:55:45,374 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 23:55:45,374 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 23:55:45,374 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 23:55:45,376 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-01-28 23:55:45,415 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-01-28 23:55:45,416 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-28 23:55:45,417 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) [2022-01-28 23:55:45,418 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 [2022-01-28 23:55:45,447 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-01-28 23:55:45,452 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 [2022-01-28 23:55:45,453 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-01-28 23:55:45,595 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 23:55:45,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 23:55:45,603 INFO L85 PathProgramCache]: Analyzing trace with hash -1492245706, now seen corresponding path program 1 times [2022-01-28 23:55:45,610 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 23:55:45,611 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030285634] [2022-01-28 23:55:45,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 23:55:45,612 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 23:55:45,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 23:55:45,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 23:55:45,811 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 23:55:45,811 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1030285634] [2022-01-28 23:55:45,812 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1030285634] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 23:55:45,812 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 23:55:45,813 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-28 23:55:45,814 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11526610] [2022-01-28 23:55:45,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 23:55:45,820 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-28 23:55:45,820 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 23:55:45,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-28 23:55:45,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-28 23:55:45,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 23:55:45,844 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-28 23:55:45,845 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 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) [2022-01-28 23:55:45,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 23:55:45,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 23:55:45,892 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-28 23:55:45,892 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 23:55:45,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 23:55:45,893 INFO L85 PathProgramCache]: Analyzing trace with hash -91845648, now seen corresponding path program 1 times [2022-01-28 23:55:45,893 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 23:55:45,893 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784947611] [2022-01-28 23:55:45,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 23:55:45,894 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 23:55:45,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 23:55:46,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 23:55:46,003 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 23:55:46,004 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784947611] [2022-01-28 23:55:46,004 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [784947611] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 23:55:46,004 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 23:55:46,004 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-28 23:55:46,004 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081847510] [2022-01-28 23:55:46,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 23:55:46,005 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-28 23:55:46,005 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 23:55:46,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-28 23:55:46,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-28 23:55:46,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 23:55:46,006 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-28 23:55:46,007 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 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) [2022-01-28 23:55:46,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 23:55:46,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 23:55:46,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 23:55:46,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 23:55:46,076 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-28 23:55:46,076 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 23:55:46,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 23:55:46,077 INFO L85 PathProgramCache]: Analyzing trace with hash -1627471592, now seen corresponding path program 1 times [2022-01-28 23:55:46,077 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 23:55:46,077 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959218145] [2022-01-28 23:55:46,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 23:55:46,077 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 23:55:46,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 23:55:46,159 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-28 23:55:46,159 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 23:55:46,159 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [959218145] [2022-01-28 23:55:46,160 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [959218145] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 23:55:46,160 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 23:55:46,160 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-28 23:55:46,160 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [604113671] [2022-01-28 23:55:46,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 23:55:46,161 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-28 23:55:46,161 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 23:55:46,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-28 23:55:46,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-28 23:55:46,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 23:55:46,161 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-28 23:55:46,162 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 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) [2022-01-28 23:55:46,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 23:55:46,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 23:55:46,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 23:55:46,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 23:55:46,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 23:55:46,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 23:55:46,205 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-28 23:55:46,205 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 23:55:46,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 23:55:46,206 INFO L85 PathProgramCache]: Analyzing trace with hash 851856496, now seen corresponding path program 1 times [2022-01-28 23:55:46,206 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 23:55:46,206 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2003932262] [2022-01-28 23:55:46,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 23:55:46,207 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 23:55:46,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 23:55:46,329 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-28 23:55:46,329 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 23:55:46,329 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2003932262] [2022-01-28 23:55:46,329 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2003932262] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 23:55:46,329 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 23:55:46,330 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-28 23:55:46,330 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3450963] [2022-01-28 23:55:46,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 23:55:46,330 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-28 23:55:46,330 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 23:55:46,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-28 23:55:46,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-28 23:55:46,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 23:55:46,331 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-28 23:55:46,331 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 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) [2022-01-28 23:55:46,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 23:55:46,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 23:55:46,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 23:55:46,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 23:55:46,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 23:55:46,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 23:55:46,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 23:55:46,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-28 23:55:46,378 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-01-28 23:55:46,379 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 23:55:46,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 23:55:46,379 INFO L85 PathProgramCache]: Analyzing trace with hash 1553588947, now seen corresponding path program 1 times [2022-01-28 23:55:46,379 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 23:55:46,380 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827756024] [2022-01-28 23:55:46,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 23:55:46,380 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 23:55:46,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 23:55:46,494 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-01-28 23:55:46,494 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 23:55:46,494 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [827756024] [2022-01-28 23:55:46,495 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [827756024] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 23:55:46,495 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 23:55:46,495 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-28 23:55:46,495 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419289783] [2022-01-28 23:55:46,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 23:55:46,496 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-28 23:55:46,496 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 23:55:46,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-28 23:55:46,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-28 23:55:46,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 23:55:46,496 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-28 23:55:46,497 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 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) [2022-01-28 23:55:46,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 23:55:46,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 23:55:46,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 23:55:46,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-01-28 23:55:46,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 23:55:46,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 23:55:46,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 23:55:46,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 23:55:46,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-28 23:55:46,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-28 23:55:46,535 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-01-28 23:55:46,536 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 23:55:46,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 23:55:46,536 INFO L85 PathProgramCache]: Analyzing trace with hash 501930793, now seen corresponding path program 1 times [2022-01-28 23:55:46,536 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 23:55:46,537 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211283196] [2022-01-28 23:55:46,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 23:55:46,537 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 23:55:46,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 23:55:46,669 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-01-28 23:55:46,670 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 23:55:46,670 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [211283196] [2022-01-28 23:55:46,670 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [211283196] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-28 23:55:46,670 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [540029126] [2022-01-28 23:55:46,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 23:55:46,671 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-28 23:55:46,671 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-28 23:55:46,675 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-28 23:55:46,733 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-01-28 23:55:46,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 23:55:46,801 INFO L263 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 15 conjunts are in the unsatisfiable core [2022-01-28 23:55:46,806 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-28 23:55:47,085 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-01-28 23:55:47,089 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-28 23:55:47,325 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-01-28 23:55:47,326 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [540029126] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-28 23:55:47,326 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-28 23:55:47,326 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 7 [2022-01-28 23:55:47,326 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594205963] [2022-01-28 23:55:47,327 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-28 23:55:47,328 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-01-28 23:55:47,328 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 23:55:47,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-01-28 23:55:47,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-01-28 23:55:47,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 23:55:47,329 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-28 23:55:47,330 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 7 states have internal predecessors, (80), 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) [2022-01-28 23:55:47,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 23:55:47,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 23:55:47,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 23:55:47,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-01-28 23:55:47,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-01-28 23:55:47,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 23:55:47,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 23:55:47,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 23:55:47,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 23:55:47,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-28 23:55:47,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-28 23:55:47,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-28 23:55:47,435 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-01-28 23:55:47,627 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-01-28 23:55:47,628 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 23:55:47,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 23:55:47,628 INFO L85 PathProgramCache]: Analyzing trace with hash -2094000957, now seen corresponding path program 2 times [2022-01-28 23:55:47,628 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 23:55:47,629 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [282004995] [2022-01-28 23:55:47,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 23:55:47,629 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 23:55:47,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 23:55:47,668 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-01-28 23:55:47,668 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 23:55:47,669 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [282004995] [2022-01-28 23:55:47,669 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [282004995] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 23:55:47,669 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 23:55:47,669 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-28 23:55:47,669 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739464857] [2022-01-28 23:55:47,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 23:55:47,670 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-28 23:55:47,670 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 23:55:47,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-28 23:55:47,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-28 23:55:47,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 23:55:47,670 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-28 23:55:47,671 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 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) [2022-01-28 23:55:47,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 23:55:47,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 23:55:47,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 23:55:47,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-01-28 23:55:47,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-01-28 23:55:47,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-01-28 23:55:47,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 23:55:47,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 23:55:47,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 23:55:47,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 23:55:47,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-28 23:55:47,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-28 23:55:47,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-28 23:55:47,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 23:55:47,704 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-01-28 23:55:47,704 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 23:55:47,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 23:55:47,705 INFO L85 PathProgramCache]: Analyzing trace with hash -1767367172, now seen corresponding path program 3 times [2022-01-28 23:55:47,705 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 23:55:47,705 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976444895] [2022-01-28 23:55:47,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 23:55:47,705 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 23:55:47,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 23:55:47,747 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-01-28 23:55:47,747 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 23:55:47,747 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [976444895] [2022-01-28 23:55:47,747 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [976444895] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 23:55:47,747 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 23:55:47,747 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-28 23:55:47,748 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407601569] [2022-01-28 23:55:47,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 23:55:47,748 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-28 23:55:47,748 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 23:55:47,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-28 23:55:47,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-28 23:55:47,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 23:55:47,749 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-28 23:55:47,749 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 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) [2022-01-28 23:55:47,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 23:55:47,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 23:55:47,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 23:55:47,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-01-28 23:55:47,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-01-28 23:55:47,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-01-28 23:55:47,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 23:55:47,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 23:55:47,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 23:55:47,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 23:55:47,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 23:55:47,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-28 23:55:47,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-28 23:55:47,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-28 23:55:47,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 23:55:47,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 23:55:47,771 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2022-01-28 23:55:47,771 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 3 remaining) [2022-01-28 23:55:47,771 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION (0 of 3 remaining) [2022-01-28 23:55:47,771 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-01-28 23:55:47,786 INFO L732 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1, 1, 1] [2022-01-28 23:55:47,788 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-01-28 23:55:47,788 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-28 23:55:47,792 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.01 11:55:47 BasicIcfg [2022-01-28 23:55:47,792 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-28 23:55:47,793 INFO L158 Benchmark]: Toolchain (without parser) took 3079.03ms. Allocated memory was 183.5MB in the beginning and 230.7MB in the end (delta: 47.2MB). Free memory was 132.0MB in the beginning and 167.5MB in the end (delta: -35.5MB). Peak memory consumption was 12.8MB. Max. memory is 8.0GB. [2022-01-28 23:55:47,793 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 183.5MB. Free memory was 148.4MB in the beginning and 148.3MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 8.0GB. [2022-01-28 23:55:47,793 INFO L158 Benchmark]: CACSL2BoogieTranslator took 219.03ms. Allocated memory was 183.5MB in the beginning and 230.7MB in the end (delta: 47.2MB). Free memory was 131.8MB in the beginning and 207.1MB in the end (delta: -75.3MB). Peak memory consumption was 11.9MB. Max. memory is 8.0GB. [2022-01-28 23:55:47,793 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.28ms. Allocated memory is still 230.7MB. Free memory was 207.1MB in the beginning and 205.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-28 23:55:47,794 INFO L158 Benchmark]: Boogie Preprocessor took 18.13ms. Allocated memory is still 230.7MB. Free memory was 205.1MB in the beginning and 204.0MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-01-28 23:55:47,794 INFO L158 Benchmark]: RCFGBuilder took 330.22ms. Allocated memory is still 230.7MB. Free memory was 204.0MB in the beginning and 191.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-01-28 23:55:47,794 INFO L158 Benchmark]: TraceAbstraction took 2464.61ms. Allocated memory is still 230.7MB. Free memory was 190.9MB in the beginning and 167.5MB in the end (delta: 23.5MB). Peak memory consumption was 25.0MB. Max. memory is 8.0GB. [2022-01-28 23:55:47,795 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 183.5MB. Free memory was 148.4MB in the beginning and 148.3MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 219.03ms. Allocated memory was 183.5MB in the beginning and 230.7MB in the end (delta: 47.2MB). Free memory was 131.8MB in the beginning and 207.1MB in the end (delta: -75.3MB). Peak memory consumption was 11.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 36.28ms. Allocated memory is still 230.7MB. Free memory was 207.1MB in the beginning and 205.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 18.13ms. Allocated memory is still 230.7MB. Free memory was 205.1MB in the beginning and 204.0MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 330.22ms. Allocated memory is still 230.7MB. Free memory was 204.0MB in the beginning and 191.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 2464.61ms. Allocated memory is still 230.7MB. Free memory was 190.9MB in the beginning and 167.5MB in the end (delta: 23.5MB). Peak memory consumption was 25.0MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3254, positive: 2327, positive conditional: 1401, positive unconditional: 926, negative: 927, negative conditional: 926, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2328, positive: 2327, positive conditional: 1401, positive unconditional: 926, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2328, positive: 2327, positive conditional: 1401, positive unconditional: 926, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2328, positive: 2327, positive conditional: 1210, positive unconditional: 1117, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2328, positive: 2327, positive conditional: 331, positive unconditional: 1996, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2328, positive: 2327, positive conditional: 331, positive unconditional: 1996, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 872, positive: 871, positive conditional: 0, positive unconditional: 871, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 872, positive: 867, positive conditional: 0, positive unconditional: 867, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 5, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 52, positive: 13, positive conditional: 0, positive unconditional: 13, negative: 40, negative conditional: 0, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2328, positive: 1456, positive conditional: 331, positive unconditional: 1125, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 872, unknown conditional: 0, unknown unconditional: 872] , Statistics on independence cache: Total cache size (in pairs): 872, Positive cache size: 871, Positive conditional cache size: 0, Positive unconditional cache size: 871, Negative cache size: 1, Negative conditional cache size: 0, Negative unconditional cache size: 1, Eliminated conditions: 879, Maximal queried relation: 0, Independence queries for same thread: 926 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 73, Number of trivial persistent sets: 40, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 927, positive: 926, positive conditional: 0, positive unconditional: 926, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3254, positive: 2327, positive conditional: 1401, positive unconditional: 926, negative: 927, negative conditional: 926, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2328, positive: 2327, positive conditional: 1401, positive unconditional: 926, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2328, positive: 2327, positive conditional: 1401, positive unconditional: 926, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2328, positive: 2327, positive conditional: 1210, positive unconditional: 1117, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2328, positive: 2327, positive conditional: 331, positive unconditional: 1996, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2328, positive: 2327, positive conditional: 331, positive unconditional: 1996, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 872, positive: 871, positive conditional: 0, positive unconditional: 871, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 872, positive: 867, positive conditional: 0, positive unconditional: 867, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 5, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 52, positive: 13, positive conditional: 0, positive unconditional: 13, negative: 40, negative conditional: 0, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2328, positive: 1456, positive conditional: 331, positive unconditional: 1125, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 872, unknown conditional: 0, unknown unconditional: 872] , Statistics on independence cache: Total cache size (in pairs): 872, Positive cache size: 871, Positive conditional cache size: 0, Positive unconditional cache size: 871, Negative cache size: 1, Negative conditional cache size: 0, Negative unconditional cache size: 1, Eliminated conditions: 879, Maximal queried relation: 0, Independence queries for same thread: 926 - 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: 101]: 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 5 procedures, 113 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 2.4s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.5s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 31, 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: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 646 NumberOfCodeBlocks, 646 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 716 ConstructedInterpolants, 0 QuantifiedInterpolants, 1448 SizeOfPredicates, 2 NumberOfNonLiveVariables, 177 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 10 InterpolantComputations, 7 PerfectInterpolantSequences, 60/90 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! [2022-01-28 23:55:47,829 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 [2022-01-28 23:55:48,041 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...