/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/gemcutter/NewStatesSleepPersistentFixedOrder.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_THREAD_INSTANCE --traceabstraction.maximal.amount.of.steps.the.threads.are.allowed.to.take.successively 1 --traceabstraction.enable.heuristic.with.loops.as.step.type false --traceabstraction.considered.threads.and.their.maximal.amount.of.steps X --traceabstraction.defines.what.statements.are.considered.a.step.in.por LOOP -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-nonblocking-cntr.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-218013a [2023-05-04 21:31:54,972 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-05-04 21:31:54,974 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-05-04 21:31:55,015 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2023-05-04 21:31:55,035 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-05-04 21:31:55,036 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-05-04 21:31:55,037 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-05-04 21:31:55,038 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-05-04 21:31:55,038 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-05-04 21:31:55,039 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-05-04 21:31:55,040 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-05-04 21:31:55,041 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-05-04 21:31:55,042 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-05-04 21:31:55,045 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-05-04 21:31:55,047 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-05-04 21:31:55,048 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-05-04 21:31:55,059 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-05-04 21:31:55,060 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-05-04 21:31:55,060 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-05-04 21:31:55,061 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-05-04 21:31:55,062 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-05-04 21:31:55,062 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-05-04 21:31:55,062 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-05-04 21:31:55,063 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-05-04 21:31:55,064 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-05-04 21:31:55,065 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-05-04 21:31:55,066 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-05-04 21:31:55,066 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-05-04 21:31:55,067 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-05-04 21:31:55,067 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-05-04 21:31:55,067 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-04 21:31:55,067 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-04 21:31:55,068 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-04 21:31:55,069 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-04 21:31:55,103 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-04 21:31:55,104 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-04 21:31:55,104 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-04 21:31:55,104 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-04 21:31:55,105 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-04 21:31:55,105 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-04 21:31:55,105 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-04 21:31:55,106 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-04 21:31:55,106 INFO L138 SettingsManager]: * Use SBE=true [2023-05-04 21:31:55,106 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-04 21:31:55,107 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-04 21:31:55,107 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-04 21:31:55,107 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-04 21:31:55,107 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-04 21:31:55,107 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-04 21:31:55,107 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-04 21:31:55,107 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-04 21:31:55,107 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-04 21:31:55,108 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-04 21:31:55,108 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-04 21:31:55,108 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-04 21:31:55,108 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-04 21:31:55,108 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-04 21:31:55,108 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-04 21:31:55,108 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-04 21:31:55,108 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 21:31:55,109 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-04 21:31:55,109 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-04 21:31:55,109 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-04 21:31:55,109 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-04 21:31:55,109 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-04 21:31:55,109 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-04 21:31:55,109 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-04 21:31:55,110 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-04 21:31:55,110 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-04 21:31:55,110 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-04 21:31:55,110 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> X Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> LOOP [2023-05-04 21:31:55,299 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-04 21:31:55,317 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-04 21:31:55,319 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-04 21:31:55,321 INFO L271 PluginConnector]: Initializing CDTParser... [2023-05-04 21:31:55,321 INFO L275 PluginConnector]: CDTParser initialized [2023-05-04 21:31:55,322 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-nonblocking-cntr.wvr.c [2023-05-04 21:31:55,370 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e03cb26b2/35c57c93f178473797dbced6deb9bb52/FLAG232d64c77 [2023-05-04 21:31:55,756 INFO L306 CDTParser]: Found 1 translation units. [2023-05-04 21:31:55,756 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-nonblocking-cntr.wvr.c [2023-05-04 21:31:55,763 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e03cb26b2/35c57c93f178473797dbced6deb9bb52/FLAG232d64c77 [2023-05-04 21:31:56,146 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e03cb26b2/35c57c93f178473797dbced6deb9bb52 [2023-05-04 21:31:56,148 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-04 21:31:56,149 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-04 21:31:56,150 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-05-04 21:31:56,150 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-05-04 21:31:56,153 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-05-04 21:31:56,154 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 09:31:56" (1/1) ... [2023-05-04 21:31:56,155 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77e4fa3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 09:31:56, skipping insertion in model container [2023-05-04 21:31:56,155 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 09:31:56" (1/1) ... [2023-05-04 21:31:56,159 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-05-04 21:31:56,174 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-05-04 21:31:56,341 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/popl20-nonblocking-cntr.wvr.c[2037,2050] [2023-05-04 21:31:56,344 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 21:31:56,351 INFO L203 MainTranslator]: Completed pre-run [2023-05-04 21:31:56,376 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/popl20-nonblocking-cntr.wvr.c[2037,2050] [2023-05-04 21:31:56,384 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 21:31:56,396 INFO L208 MainTranslator]: Completed translation [2023-05-04 21:31:56,396 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 09:31:56 WrapperNode [2023-05-04 21:31:56,396 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-05-04 21:31:56,397 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-04 21:31:56,397 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-04 21:31:56,397 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-04 21:31:56,403 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 09:31:56" (1/1) ... [2023-05-04 21:31:56,409 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 09:31:56" (1/1) ... [2023-05-04 21:31:56,428 INFO L138 Inliner]: procedures = 21, calls = 24, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 53 [2023-05-04 21:31:56,428 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-04 21:31:56,429 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-04 21:31:56,429 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-04 21:31:56,429 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-04 21:31:56,436 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 09:31:56" (1/1) ... [2023-05-04 21:31:56,436 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 09:31:56" (1/1) ... [2023-05-04 21:31:56,446 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 09:31:56" (1/1) ... [2023-05-04 21:31:56,446 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 09:31:56" (1/1) ... [2023-05-04 21:31:56,453 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 09:31:56" (1/1) ... [2023-05-04 21:31:56,460 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 09:31:56" (1/1) ... [2023-05-04 21:31:56,461 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 09:31:56" (1/1) ... [2023-05-04 21:31:56,461 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 09:31:56" (1/1) ... [2023-05-04 21:31:56,463 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-04 21:31:56,464 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-04 21:31:56,464 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-04 21:31:56,464 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-04 21:31:56,465 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 09:31:56" (1/1) ... [2023-05-04 21:31:56,473 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 21:31:56,481 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 21:31:56,494 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) [2023-05-04 21:31:56,515 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 [2023-05-04 21:31:56,538 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-05-04 21:31:56,539 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-04 21:31:56,539 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-04 21:31:56,539 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-04 21:31:56,539 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-04 21:31:56,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-05-04 21:31:56,539 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-05-04 21:31:56,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-05-04 21:31:56,539 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-05-04 21:31:56,540 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-05-04 21:31:56,540 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-04 21:31:56,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-04 21:31:56,540 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-05-04 21:31:56,540 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-05-04 21:31:56,542 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2023-05-04 21:31:56,632 INFO L235 CfgBuilder]: Building ICFG [2023-05-04 21:31:56,634 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-04 21:31:56,853 INFO L276 CfgBuilder]: Performing block encoding [2023-05-04 21:31:56,887 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-04 21:31:56,888 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2023-05-04 21:31:56,890 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 09:31:56 BoogieIcfgContainer [2023-05-04 21:31:56,890 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-04 21:31:56,892 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-04 21:31:56,892 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-04 21:31:56,895 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-04 21:31:56,896 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.05 09:31:56" (1/3) ... [2023-05-04 21:31:56,896 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61dce71b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 09:31:56, skipping insertion in model container [2023-05-04 21:31:56,896 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 09:31:56" (2/3) ... [2023-05-04 21:31:56,897 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61dce71b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 09:31:56, skipping insertion in model container [2023-05-04 21:31:56,897 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 09:31:56" (3/3) ... [2023-05-04 21:31:56,898 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-nonblocking-cntr.wvr.c [2023-05-04 21:31:56,904 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-04 21:31:56,912 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-04 21:31:56,912 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-04 21:31:56,912 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-04 21:31:56,975 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-05-04 21:31:57,009 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 21:31:57,010 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-04 21:31:57,010 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 21:31:57,012 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) [2023-05-04 21:31:57,013 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 [2023-05-04 21:31:57,059 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-04 21:31:57,087 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-04 21:31:57,101 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6f97c8ef, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 21:31:57,101 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-05-04 21:31:57,298 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 21:31:57,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 21:31:57,303 INFO L85 PathProgramCache]: Analyzing trace with hash 832702955, now seen corresponding path program 1 times [2023-05-04 21:31:57,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 21:31:57,311 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1450900952] [2023-05-04 21:31:57,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 21:31:57,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 21:31:57,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 21:31:57,495 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-04 21:31:57,495 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 21:31:57,496 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1450900952] [2023-05-04 21:31:57,497 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1450900952] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 21:31:57,497 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 21:31:57,498 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-05-04 21:31:57,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980042800] [2023-05-04 21:31:57,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 21:31:57,505 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-05-04 21:31:57,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 21:31:57,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-05-04 21:31:57,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-05-04 21:31:57,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 21:31:57,529 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 21:31:57,530 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 32.0) internal successors, (64), 2 states have internal predecessors, (64), 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) [2023-05-04 21:31:57,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 21:31:57,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 21:31:57,584 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-04 21:31:57,584 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 21:31:57,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 21:31:57,585 INFO L85 PathProgramCache]: Analyzing trace with hash -1821168807, now seen corresponding path program 1 times [2023-05-04 21:31:57,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 21:31:57,585 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925983212] [2023-05-04 21:31:57,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 21:31:57,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 21:31:57,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 21:31:57,922 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 21:31:57,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 21:31:57,923 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1925983212] [2023-05-04 21:31:57,923 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1925983212] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 21:31:57,923 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 21:31:57,923 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-05-04 21:31:57,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914703373] [2023-05-04 21:31:57,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 21:31:57,924 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-05-04 21:31:57,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 21:31:57,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-05-04 21:31:57,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-05-04 21:31:57,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 21:31:57,926 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 21:31:57,926 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 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) [2023-05-04 21:31:57,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 21:31:57,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 21:31:58,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 21:31:58,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-04 21:31:58,031 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-05-04 21:31:58,031 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 21:31:58,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 21:31:58,032 INFO L85 PathProgramCache]: Analyzing trace with hash 1554170367, now seen corresponding path program 1 times [2023-05-04 21:31:58,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 21:31:58,032 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [300562090] [2023-05-04 21:31:58,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 21:31:58,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 21:31:58,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 21:31:58,433 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 21:31:58,434 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 21:31:58,434 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [300562090] [2023-05-04 21:31:58,434 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [300562090] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 21:31:58,434 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [852977119] [2023-05-04 21:31:58,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 21:31:58,435 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 21:31:58,435 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 21:31:58,437 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) [2023-05-04 21:31:58,475 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-05-04 21:31:58,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 21:31:58,558 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 9 conjunts are in the unsatisfiable core [2023-05-04 21:31:58,564 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 21:31:58,847 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 21:31:58,848 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 21:31:59,076 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-04 21:31:59,077 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [852977119] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 21:31:59,077 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 21:31:59,077 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 8] total 22 [2023-05-04 21:31:59,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700943608] [2023-05-04 21:31:59,077 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 21:31:59,078 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2023-05-04 21:31:59,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 21:31:59,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2023-05-04 21:31:59,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=356, Unknown=0, NotChecked=0, Total=462 [2023-05-04 21:31:59,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 21:31:59,079 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 21:31:59,080 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 7.0) internal successors, (154), 22 states have internal predecessors, (154), 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) [2023-05-04 21:31:59,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 21:31:59,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-04 21:31:59,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 21:31:59,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 21:31:59,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-04 21:31:59,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-05-04 21:31:59,705 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-05-04 21:31:59,893 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2023-05-04 21:31:59,893 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 21:31:59,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 21:31:59,894 INFO L85 PathProgramCache]: Analyzing trace with hash 1642285827, now seen corresponding path program 2 times [2023-05-04 21:31:59,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 21:31:59,894 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903556518] [2023-05-04 21:31:59,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 21:31:59,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 21:31:59,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 21:32:00,334 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 6 proven. 31 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-05-04 21:32:00,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 21:32:00,334 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903556518] [2023-05-04 21:32:00,334 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [903556518] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 21:32:00,334 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [610215424] [2023-05-04 21:32:00,335 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-04 21:32:00,335 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 21:32:00,335 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 21:32:00,336 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 21:32:00,357 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-05-04 21:32:00,426 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-04 21:32:00,426 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 21:32:00,428 INFO L263 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 18 conjunts are in the unsatisfiable core [2023-05-04 21:32:00,430 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 21:32:00,907 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 5 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 21:32:00,908 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 21:32:01,259 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 15 proven. 17 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-05-04 21:32:01,260 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [610215424] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 21:32:01,260 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 21:32:01,260 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 19, 12] total 41 [2023-05-04 21:32:01,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482315300] [2023-05-04 21:32:01,260 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 21:32:01,261 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2023-05-04 21:32:01,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 21:32:01,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2023-05-04 21:32:01,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=270, Invalid=1370, Unknown=0, NotChecked=0, Total=1640 [2023-05-04 21:32:01,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 21:32:01,263 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 21:32:01,263 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 41 states have (on average 4.487804878048781) internal successors, (184), 41 states have internal predecessors, (184), 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) [2023-05-04 21:32:01,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 21:32:01,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-04 21:32:01,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-05-04 21:32:01,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 21:32:02,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 21:32:02,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-04 21:32:02,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-05-04 21:32:02,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-05-04 21:32:02,188 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-05-04 21:32:02,382 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 21:32:02,382 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 21:32:02,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 21:32:02,383 INFO L85 PathProgramCache]: Analyzing trace with hash 1461418747, now seen corresponding path program 3 times [2023-05-04 21:32:02,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 21:32:02,383 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001858055] [2023-05-04 21:32:02,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 21:32:02,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 21:32:02,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 21:32:02,964 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 5 proven. 54 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-05-04 21:32:02,964 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 21:32:02,964 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1001858055] [2023-05-04 21:32:02,965 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1001858055] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 21:32:02,965 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1624117516] [2023-05-04 21:32:02,965 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-04 21:32:02,966 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 21:32:02,966 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 21:32:02,969 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 21:32:02,971 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-05-04 21:32:03,037 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2023-05-04 21:32:03,037 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 21:32:03,038 INFO L263 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 14 conjunts are in the unsatisfiable core [2023-05-04 21:32:03,041 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 21:32:03,210 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 11 proven. 48 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-05-04 21:32:03,210 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 21:32:03,443 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 9 proven. 25 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2023-05-04 21:32:03,443 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1624117516] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 21:32:03,443 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 21:32:03,443 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 8, 6] total 19 [2023-05-04 21:32:03,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184161467] [2023-05-04 21:32:03,444 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 21:32:03,444 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-05-04 21:32:03,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 21:32:03,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-05-04 21:32:03,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=266, Unknown=0, NotChecked=0, Total=342 [2023-05-04 21:32:03,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 21:32:03,445 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 21:32:03,445 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 6.947368421052632) internal successors, (132), 19 states have internal predecessors, (132), 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) [2023-05-04 21:32:03,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 21:32:03,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-04 21:32:03,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-05-04 21:32:03,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2023-05-04 21:32:03,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 21:32:03,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 21:32:03,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-04 21:32:03,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-05-04 21:32:03,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-05-04 21:32:03,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-04 21:32:03,828 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-05-04 21:32:04,005 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 21:32:04,006 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 21:32:04,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 21:32:04,007 INFO L85 PathProgramCache]: Analyzing trace with hash 1490455187, now seen corresponding path program 4 times [2023-05-04 21:32:04,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 21:32:04,007 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1188550602] [2023-05-04 21:32:04,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 21:32:04,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 21:32:04,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 21:32:04,405 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2023-05-04 21:32:04,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 21:32:04,405 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1188550602] [2023-05-04 21:32:04,405 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1188550602] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 21:32:04,406 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1046662187] [2023-05-04 21:32:04,406 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-04 21:32:04,406 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 21:32:04,406 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 21:32:04,407 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 21:32:04,409 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-05-04 21:32:04,484 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-04 21:32:04,484 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 21:32:04,485 INFO L263 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 23 conjunts are in the unsatisfiable core [2023-05-04 21:32:04,488 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 21:32:04,665 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2023-05-04 21:32:04,665 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 21:32:05,390 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 21:32:05,390 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1046662187] provided 1 perfect and 1 imperfect interpolant sequences [2023-05-04 21:32:05,391 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-05-04 21:32:05,391 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [6, 6] total 17 [2023-05-04 21:32:05,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [591949100] [2023-05-04 21:32:05,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 21:32:05,392 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-05-04 21:32:05,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 21:32:05,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-05-04 21:32:05,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=176, Unknown=0, NotChecked=0, Total=272 [2023-05-04 21:32:05,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 21:32:05,393 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 21:32:05,393 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 5.9375) internal successors, (95), 16 states have internal predecessors, (95), 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) [2023-05-04 21:32:05,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 21:32:05,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-04 21:32:05,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-05-04 21:32:05,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2023-05-04 21:32:05,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-04 21:32:05,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 21:32:05,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 21:32:05,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-04 21:32:05,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-05-04 21:32:05,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-05-04 21:32:05,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-05-04 21:32:05,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 21:32:05,525 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-05-04 21:32:05,713 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 21:32:05,713 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 21:32:05,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 21:32:05,714 INFO L85 PathProgramCache]: Analyzing trace with hash -891764305, now seen corresponding path program 5 times [2023-05-04 21:32:05,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 21:32:05,714 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874471323] [2023-05-04 21:32:05,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 21:32:05,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 21:32:05,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 21:32:06,351 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 12 proven. 112 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-05-04 21:32:06,352 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 21:32:06,352 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [874471323] [2023-05-04 21:32:06,352 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [874471323] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 21:32:06,352 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1087577117] [2023-05-04 21:32:06,352 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-05-04 21:32:06,352 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 21:32:06,352 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 21:32:06,354 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 21:32:06,373 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-05-04 21:32:06,419 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2023-05-04 21:32:06,419 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 21:32:06,421 INFO L263 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 33 conjunts are in the unsatisfiable core [2023-05-04 21:32:06,423 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 21:32:07,150 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 12 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 21:32:07,151 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 21:32:09,217 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 56 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 21:32:09,217 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1087577117] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 21:32:09,217 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 21:32:09,217 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 29, 28] total 73 [2023-05-04 21:32:09,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438412380] [2023-05-04 21:32:09,217 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 21:32:09,218 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 73 states [2023-05-04 21:32:09,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 21:32:09,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 73 interpolants. [2023-05-04 21:32:09,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=905, Invalid=4351, Unknown=0, NotChecked=0, Total=5256 [2023-05-04 21:32:09,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 21:32:09,221 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 21:32:09,223 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 73 states, 73 states have (on average 3.0136986301369864) internal successors, (220), 73 states have internal predecessors, (220), 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) [2023-05-04 21:32:09,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 21:32:09,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-04 21:32:09,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-05-04 21:32:09,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2023-05-04 21:32:09,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-05-04 21:32:09,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 21:32:09,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 21:32:15,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 21:32:15,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-04 21:32:15,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-05-04 21:32:15,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2023-05-04 21:32:15,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-05-04 21:32:15,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 21:32:15,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2023-05-04 21:32:15,449 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2023-05-04 21:32:15,450 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2023-05-04 21:32:15,450 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2023-05-04 21:32:15,471 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-05-04 21:32:15,670 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 21:32:15,674 INFO L444 BasicCegarLoop]: Path program histogram: [5, 1, 1] [2023-05-04 21:32:15,676 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-04 21:32:15,676 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-04 21:32:15,679 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.05 09:32:15 BasicIcfg [2023-05-04 21:32:15,679 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-04 21:32:15,680 INFO L158 Benchmark]: Toolchain (without parser) took 19530.49ms. Allocated memory was 187.7MB in the beginning and 405.8MB in the end (delta: 218.1MB). Free memory was 157.6MB in the beginning and 251.1MB in the end (delta: -93.5MB). Peak memory consumption was 125.2MB. Max. memory is 8.0GB. [2023-05-04 21:32:15,680 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 187.7MB. Free memory is still 143.4MB. There was no memory consumed. Max. memory is 8.0GB. [2023-05-04 21:32:15,680 INFO L158 Benchmark]: CACSL2BoogieTranslator took 246.48ms. Allocated memory was 187.7MB in the beginning and 233.8MB in the end (delta: 46.1MB). Free memory was 157.3MB in the beginning and 204.8MB in the end (delta: -47.5MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. [2023-05-04 21:32:15,680 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.04ms. Allocated memory is still 233.8MB. Free memory was 204.8MB in the beginning and 203.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-04 21:32:15,681 INFO L158 Benchmark]: Boogie Preprocessor took 34.10ms. Allocated memory is still 233.8MB. Free memory was 203.2MB in the beginning and 202.1MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-05-04 21:32:15,681 INFO L158 Benchmark]: RCFGBuilder took 426.34ms. Allocated memory is still 233.8MB. Free memory was 201.7MB in the beginning and 188.1MB in the end (delta: 13.6MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2023-05-04 21:32:15,681 INFO L158 Benchmark]: TraceAbstraction took 18786.88ms. Allocated memory was 233.8MB in the beginning and 405.8MB in the end (delta: 172.0MB). Free memory was 186.8MB in the beginning and 251.1MB in the end (delta: -64.2MB). Peak memory consumption was 109.3MB. Max. memory is 8.0GB. [2023-05-04 21:32:15,682 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 187.7MB. Free memory is still 143.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 246.48ms. Allocated memory was 187.7MB in the beginning and 233.8MB in the end (delta: 46.1MB). Free memory was 157.3MB in the beginning and 204.8MB in the end (delta: -47.5MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 31.04ms. Allocated memory is still 233.8MB. Free memory was 204.8MB in the beginning and 203.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 34.10ms. Allocated memory is still 233.8MB. Free memory was 203.2MB in the beginning and 202.1MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 426.34ms. Allocated memory is still 233.8MB. Free memory was 201.7MB in the beginning and 188.1MB in the end (delta: 13.6MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * TraceAbstraction took 18786.88ms. Allocated memory was 233.8MB in the beginning and 405.8MB in the end (delta: 172.0MB). Free memory was 186.8MB in the beginning and 251.1MB in the end (delta: -64.2MB). Peak memory consumption was 109.3MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 11898, independent: 10570, independent conditional: 9862, independent unconditional: 708, dependent: 1328, dependent conditional: 1320, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10647, independent: 10570, independent conditional: 9862, independent unconditional: 708, dependent: 77, dependent conditional: 69, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 10647, independent: 10570, independent conditional: 9862, independent unconditional: 708, dependent: 77, dependent conditional: 69, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11111, independent: 10570, independent conditional: 121, independent unconditional: 10449, dependent: 541, dependent conditional: 343, dependent unconditional: 198, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 11111, independent: 10570, independent conditional: 121, independent unconditional: 10449, dependent: 541, dependent conditional: 339, dependent unconditional: 202, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 11111, independent: 10570, independent conditional: 121, independent unconditional: 10449, dependent: 541, dependent conditional: 339, dependent unconditional: 202, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 665, independent: 628, independent conditional: 12, independent unconditional: 616, dependent: 37, dependent conditional: 29, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 665, independent: 615, independent conditional: 0, independent unconditional: 615, dependent: 50, dependent conditional: 0, dependent unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 50, independent: 13, independent conditional: 12, independent unconditional: 1, dependent: 37, dependent conditional: 29, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 50, independent: 13, independent conditional: 12, independent unconditional: 1, dependent: 37, dependent conditional: 29, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 221, independent: 77, independent conditional: 31, independent unconditional: 46, dependent: 144, dependent conditional: 82, dependent unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 11111, independent: 9942, independent conditional: 109, independent unconditional: 9833, dependent: 504, dependent conditional: 310, dependent unconditional: 194, unknown: 665, unknown conditional: 41, unknown unconditional: 624] , Statistics on independence cache: Total cache size (in pairs): 665, Positive cache size: 628, Positive conditional cache size: 12, Positive unconditional cache size: 616, Negative cache size: 37, Negative conditional cache size: 29, Negative unconditional cache size: 8, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 4, Maximal queried relation: 6, Independence queries for same thread: 1251 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.2s, Number of persistent set computation: 300, Number of trivial persistent sets: 278, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 716, independent: 708, independent conditional: 0, independent unconditional: 708, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 11898, independent: 10570, independent conditional: 9862, independent unconditional: 708, dependent: 1328, dependent conditional: 1320, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10647, independent: 10570, independent conditional: 9862, independent unconditional: 708, dependent: 77, dependent conditional: 69, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 10647, independent: 10570, independent conditional: 9862, independent unconditional: 708, dependent: 77, dependent conditional: 69, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11111, independent: 10570, independent conditional: 121, independent unconditional: 10449, dependent: 541, dependent conditional: 343, dependent unconditional: 198, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 11111, independent: 10570, independent conditional: 121, independent unconditional: 10449, dependent: 541, dependent conditional: 339, dependent unconditional: 202, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 11111, independent: 10570, independent conditional: 121, independent unconditional: 10449, dependent: 541, dependent conditional: 339, dependent unconditional: 202, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 665, independent: 628, independent conditional: 12, independent unconditional: 616, dependent: 37, dependent conditional: 29, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 665, independent: 615, independent conditional: 0, independent unconditional: 615, dependent: 50, dependent conditional: 0, dependent unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 50, independent: 13, independent conditional: 12, independent unconditional: 1, dependent: 37, dependent conditional: 29, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 50, independent: 13, independent conditional: 12, independent unconditional: 1, dependent: 37, dependent conditional: 29, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 221, independent: 77, independent conditional: 31, independent unconditional: 46, dependent: 144, dependent conditional: 82, dependent unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 11111, independent: 9942, independent conditional: 109, independent unconditional: 9833, dependent: 504, dependent conditional: 310, dependent unconditional: 194, unknown: 665, unknown conditional: 41, unknown unconditional: 624] , Statistics on independence cache: Total cache size (in pairs): 665, Positive cache size: 628, Positive conditional cache size: 12, Positive unconditional cache size: 616, Negative cache size: 37, Negative conditional cache size: 29, Negative unconditional cache size: 8, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 4, Maximal queried relation: 6, Independence queries for same thread: 1251 - PositiveResult [Line: 77]: 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, 94 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 18.6s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 5, EmptinessCheckTime: 8.6s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 261, 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, 0.3s SatisfiabilityAnalysisTime, 8.1s InterpolantComputationTime, 1021 NumberOfCodeBlocks, 1016 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 1451 ConstructedInterpolants, 0 QuantifiedInterpolants, 7550 SizeOfPredicates, 55 NumberOfNonLiveVariables, 898 ConjunctsInSsa, 97 ConjunctsInUnsatCore, 17 InterpolantComputations, 3 PerfectInterpolantSequences, 512/1112 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! [2023-05-04 21:32:15,737 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 [2023-05-04 21:32:15,944 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...