/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 '"3,2 1,1 2,2"' --traceabstraction.defines.what.statements.are.considered.a.step.in.por ALL_READ_WRITE -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/chl-simpl-str-trans.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-218013a [2023-05-04 05:58:34,083 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-05-04 05:58:34,084 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-05-04 05:58:34,116 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2023-05-04 05:58:34,132 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-05-04 05:58:34,133 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-05-04 05:58:34,134 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-05-04 05:58:34,135 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-05-04 05:58:34,135 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-05-04 05:58:34,136 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-05-04 05:58:34,138 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-05-04 05:58:34,139 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-05-04 05:58:34,146 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-05-04 05:58:34,153 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-05-04 05:58:34,156 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-05-04 05:58:34,158 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-05-04 05:58:34,166 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-05-04 05:58:34,166 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-05-04 05:58:34,166 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-05-04 05:58:34,167 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-05-04 05:58:34,168 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-05-04 05:58:34,168 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-05-04 05:58:34,169 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-05-04 05:58:34,169 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-05-04 05:58:34,170 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-05-04 05:58:34,170 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-05-04 05:58:34,171 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-05-04 05:58:34,171 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-05-04 05:58:34,172 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-05-04 05:58:34,172 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-05-04 05:58:34,172 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-04 05:58:34,180 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-04 05:58:34,181 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-04 05:58:34,181 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-04 05:58:34,216 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-04 05:58:34,216 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-04 05:58:34,216 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-04 05:58:34,216 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-04 05:58:34,217 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-04 05:58:34,217 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-04 05:58:34,218 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-04 05:58:34,218 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-04 05:58:34,218 INFO L138 SettingsManager]: * Use SBE=true [2023-05-04 05:58:34,218 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-04 05:58:34,219 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-04 05:58:34,219 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-04 05:58:34,219 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-04 05:58:34,220 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-04 05:58:34,220 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-04 05:58:34,220 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-04 05:58:34,220 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-04 05:58:34,220 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-04 05:58:34,220 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-04 05:58:34,220 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-04 05:58:34,220 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-04 05:58:34,221 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-04 05:58:34,221 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-04 05:58:34,222 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-04 05:58:34,222 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-04 05:58:34,222 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 05:58:34,222 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-04 05:58:34,223 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-04 05:58:34,223 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-04 05:58:34,223 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-04 05:58:34,223 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-04 05:58:34,223 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-04 05:58:34,223 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-04 05:58:34,223 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-04 05:58:34,223 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-04 05:58:34,224 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-04 05:58:34,224 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> 3,2 1,1 2,2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> ALL_READ_WRITE [2023-05-04 05:58:34,447 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-04 05:58:34,466 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-04 05:58:34,468 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-04 05:58:34,469 INFO L271 PluginConnector]: Initializing CDTParser... [2023-05-04 05:58:34,471 INFO L275 PluginConnector]: CDTParser initialized [2023-05-04 05:58:34,472 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-simpl-str-trans.wvr.c [2023-05-04 05:58:34,535 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9803f702/5e1d3fcf4a23441593abf9ca53c8428a/FLAGb3dfc074d [2023-05-04 05:58:34,962 INFO L306 CDTParser]: Found 1 translation units. [2023-05-04 05:58:34,963 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-simpl-str-trans.wvr.c [2023-05-04 05:58:34,970 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9803f702/5e1d3fcf4a23441593abf9ca53c8428a/FLAGb3dfc074d [2023-05-04 05:58:35,343 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9803f702/5e1d3fcf4a23441593abf9ca53c8428a [2023-05-04 05:58:35,346 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-04 05:58:35,348 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-04 05:58:35,348 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-05-04 05:58:35,348 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-05-04 05:58:35,354 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-05-04 05:58:35,356 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 05:58:35" (1/1) ... [2023-05-04 05:58:35,357 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60dfbd0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 05:58:35, skipping insertion in model container [2023-05-04 05:58:35,358 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 05:58:35" (1/1) ... [2023-05-04 05:58:35,363 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-05-04 05:58:35,381 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-05-04 05:58:35,519 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/chl-simpl-str-trans.wvr.c[2514,2527] [2023-05-04 05:58:35,524 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 05:58:35,531 INFO L203 MainTranslator]: Completed pre-run [2023-05-04 05:58:35,548 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/chl-simpl-str-trans.wvr.c[2514,2527] [2023-05-04 05:58:35,550 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 05:58:35,561 INFO L208 MainTranslator]: Completed translation [2023-05-04 05:58:35,562 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 05:58:35 WrapperNode [2023-05-04 05:58:35,562 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-05-04 05:58:35,563 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-04 05:58:35,563 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-04 05:58:35,563 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-04 05:58:35,575 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 05:58:35" (1/1) ... [2023-05-04 05:58:35,584 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 05:58:35" (1/1) ... [2023-05-04 05:58:35,613 INFO L138 Inliner]: procedures = 23, calls = 30, calls flagged for inlining = 8, calls inlined = 12, statements flattened = 163 [2023-05-04 05:58:35,614 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-04 05:58:35,615 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-04 05:58:35,615 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-04 05:58:35,615 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-04 05:58:35,622 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 05:58:35" (1/1) ... [2023-05-04 05:58:35,623 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 05:58:35" (1/1) ... [2023-05-04 05:58:35,625 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 05:58:35" (1/1) ... [2023-05-04 05:58:35,625 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 05:58:35" (1/1) ... [2023-05-04 05:58:35,630 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 05:58:35" (1/1) ... [2023-05-04 05:58:35,632 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 05:58:35" (1/1) ... [2023-05-04 05:58:35,633 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 05:58:35" (1/1) ... [2023-05-04 05:58:35,634 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 05:58:35" (1/1) ... [2023-05-04 05:58:35,637 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-04 05:58:35,638 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-04 05:58:35,638 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-04 05:58:35,638 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-04 05:58:35,645 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 05:58:35" (1/1) ... [2023-05-04 05:58:35,658 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 05:58:35,673 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 05:58:35,685 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 05:58:35,687 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 05:58:35,716 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-05-04 05:58:35,716 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-04 05:58:35,717 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-04 05:58:35,717 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-04 05:58:35,718 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-04 05:58:35,719 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-05-04 05:58:35,719 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-05-04 05:58:35,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-05-04 05:58:35,719 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-05-04 05:58:35,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-05-04 05:58:35,720 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-04 05:58:35,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-04 05:58:35,720 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-05-04 05:58:35,720 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-05-04 05:58:35,722 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 05:58:35,848 INFO L235 CfgBuilder]: Building ICFG [2023-05-04 05:58:35,850 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-04 05:58:36,152 INFO L276 CfgBuilder]: Performing block encoding [2023-05-04 05:58:36,162 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-04 05:58:36,162 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2023-05-04 05:58:36,165 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 05:58:36 BoogieIcfgContainer [2023-05-04 05:58:36,165 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-04 05:58:36,167 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-04 05:58:36,168 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-04 05:58:36,175 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-04 05:58:36,177 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.05 05:58:35" (1/3) ... [2023-05-04 05:58:36,178 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fc7fc52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 05:58:36, skipping insertion in model container [2023-05-04 05:58:36,178 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 05:58:35" (2/3) ... [2023-05-04 05:58:36,178 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fc7fc52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 05:58:36, skipping insertion in model container [2023-05-04 05:58:36,179 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 05:58:36" (3/3) ... [2023-05-04 05:58:36,180 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-simpl-str-trans.wvr.c [2023-05-04 05:58:36,189 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-04 05:58:36,198 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-04 05:58:36,198 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-04 05:58:36,198 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-04 05:58:36,308 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-05-04 05:58:36,369 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 05:58:36,369 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-04 05:58:36,369 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 05:58:36,371 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 05:58:36,377 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 05:58:36,425 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-04 05:58:36,442 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-04 05:58:36,449 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;@725c8dbb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 05:58:36,449 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-05-04 05:58:36,679 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-04 05:58:36,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 05:58:36,685 INFO L85 PathProgramCache]: Analyzing trace with hash 16083225, now seen corresponding path program 1 times [2023-05-04 05:58:36,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 05:58:36,693 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2039966831] [2023-05-04 05:58:36,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 05:58:36,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 05:58:36,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 05:58:37,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 05:58:37,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 05:58:37,098 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2039966831] [2023-05-04 05:58:37,100 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2039966831] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 05:58:37,100 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 05:58:37,101 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-05-04 05:58:37,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [420820428] [2023-05-04 05:58:37,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 05:58:37,110 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-05-04 05:58:37,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 05:58:37,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-05-04 05:58:37,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-05-04 05:58:37,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 05:58:37,154 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 05:58:37,156 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 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 05:58:37,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 05:58:37,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 05:58:37,260 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-04 05:58:37,261 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-04 05:58:37,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 05:58:37,261 INFO L85 PathProgramCache]: Analyzing trace with hash -849374605, now seen corresponding path program 1 times [2023-05-04 05:58:37,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 05:58:37,262 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1515476442] [2023-05-04 05:58:37,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 05:58:37,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 05:58:37,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 05:58:37,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 05:58:37,395 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 05:58:37,395 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1515476442] [2023-05-04 05:58:37,395 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1515476442] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 05:58:37,395 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 05:58:37,395 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-05-04 05:58:37,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078787333] [2023-05-04 05:58:37,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 05:58:37,399 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-05-04 05:58:37,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 05:58:37,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-05-04 05:58:37,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-05-04 05:58:37,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 05:58:37,401 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 05:58:37,401 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 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 05:58:37,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 05:58:37,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 05:58:37,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 05:58:37,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 05:58:37,445 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-05-04 05:58:37,445 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-04 05:58:37,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 05:58:37,446 INFO L85 PathProgramCache]: Analyzing trace with hash 1934644086, now seen corresponding path program 1 times [2023-05-04 05:58:37,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 05:58:37,446 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623607690] [2023-05-04 05:58:37,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 05:58:37,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 05:58:37,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 05:58:37,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 05:58:37,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 05:58:37,833 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623607690] [2023-05-04 05:58:37,833 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1623607690] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 05:58:37,833 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 05:58:37,833 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-05-04 05:58:37,834 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363067363] [2023-05-04 05:58:37,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 05:58:37,836 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-05-04 05:58:37,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 05:58:37,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-05-04 05:58:37,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-05-04 05:58:37,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 05:58:37,839 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 05:58:37,840 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.0) internal successors, (128), 8 states have internal predecessors, (128), 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 05:58:37,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 05:58:37,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 05:58:37,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 05:58:38,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 05:58:38,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 05:58:38,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-04 05:58:38,602 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-05-04 05:58:38,603 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-04 05:58:38,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 05:58:38,603 INFO L85 PathProgramCache]: Analyzing trace with hash 642622733, now seen corresponding path program 1 times [2023-05-04 05:58:38,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 05:58:38,604 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [532368422] [2023-05-04 05:58:38,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 05:58:38,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 05:58:38,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 05:58:38,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 05:58:38,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 05:58:38,694 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [532368422] [2023-05-04 05:58:38,697 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [532368422] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 05:58:38,697 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 05:58:38,697 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-05-04 05:58:38,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196757143] [2023-05-04 05:58:38,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 05:58:38,700 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-05-04 05:58:38,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 05:58:38,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-05-04 05:58:38,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-05-04 05:58:38,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 05:58:38,701 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 05:58:38,701 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.0) internal successors, (150), 3 states have internal predecessors, (150), 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 05:58:38,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 05:58:38,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 05:58:38,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-05-04 05:58:38,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 05:58:38,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 05:58:38,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 05:58:38,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-04 05:58:38,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 05:58:38,897 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-05-04 05:58:38,898 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-04 05:58:38,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 05:58:38,899 INFO L85 PathProgramCache]: Analyzing trace with hash 2014016680, now seen corresponding path program 1 times [2023-05-04 05:58:38,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 05:58:38,899 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1550695732] [2023-05-04 05:58:38,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 05:58:38,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 05:58:38,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 05:58:40,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 05:58:40,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 05:58:40,097 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1550695732] [2023-05-04 05:58:40,097 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1550695732] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 05:58:40,097 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 05:58:40,097 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2023-05-04 05:58:40,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097659279] [2023-05-04 05:58:40,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 05:58:40,098 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2023-05-04 05:58:40,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 05:58:40,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2023-05-04 05:58:40,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=703, Unknown=0, NotChecked=0, Total=756 [2023-05-04 05:58:40,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 05:58:40,099 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 05:58:40,100 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 6.142857142857143) internal successors, (172), 28 states have internal predecessors, (172), 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 05:58:40,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 05:58:40,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 05:58:40,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-05-04 05:58:40,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 05:58:40,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 05:58:44,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 05:58:44,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 05:58:44,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-04 05:58:44,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 05:58:44,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2023-05-04 05:58:44,492 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-05-04 05:58:44,492 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-04 05:58:44,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 05:58:44,493 INFO L85 PathProgramCache]: Analyzing trace with hash 473915538, now seen corresponding path program 1 times [2023-05-04 05:58:44,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 05:58:44,493 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1262721246] [2023-05-04 05:58:44,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 05:58:44,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 05:58:44,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 05:58:44,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 05:58:44,683 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 05:58:44,683 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1262721246] [2023-05-04 05:58:44,683 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1262721246] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 05:58:44,683 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 05:58:44,683 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-05-04 05:58:44,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935168857] [2023-05-04 05:58:44,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 05:58:44,684 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-05-04 05:58:44,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 05:58:44,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-05-04 05:58:44,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-05-04 05:58:44,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 05:58:44,686 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 05:58:44,686 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.857142857142858) internal successors, (104), 7 states have internal predecessors, (104), 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 05:58:44,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 05:58:44,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 05:58:44,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-05-04 05:58:44,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 05:58:44,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2023-05-04 05:58:44,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 05:58:45,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 05:58:45,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 05:58:45,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-04 05:58:45,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 05:58:45,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2023-05-04 05:58:45,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-04 05:58:45,767 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-05-04 05:58:45,767 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-04 05:58:45,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 05:58:45,768 INFO L85 PathProgramCache]: Analyzing trace with hash 1745216232, now seen corresponding path program 1 times [2023-05-04 05:58:45,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 05:58:45,768 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1779468350] [2023-05-04 05:58:45,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 05:58:45,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 05:58:45,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 05:58:45,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 05:58:45,943 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 05:58:45,946 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1779468350] [2023-05-04 05:58:45,947 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1779468350] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 05:58:45,950 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 05:58:45,950 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-05-04 05:58:45,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461185678] [2023-05-04 05:58:45,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 05:58:45,951 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-05-04 05:58:45,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 05:58:45,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-05-04 05:58:45,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-05-04 05:58:45,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 05:58:45,953 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 05:58:45,953 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 7 states have internal predecessors, (100), 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 05:58:45,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 05:58:45,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 05:58:45,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-05-04 05:58:45,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 05:58:45,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2023-05-04 05:58:45,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-04 05:58:45,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 05:58:46,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 05:58:46,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 05:58:46,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-04 05:58:46,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 05:58:46,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2023-05-04 05:58:46,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-04 05:58:46,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-05-04 05:58:46,713 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-05-04 05:58:46,713 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-04 05:58:46,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 05:58:46,713 INFO L85 PathProgramCache]: Analyzing trace with hash 313510496, now seen corresponding path program 1 times [2023-05-04 05:58:46,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 05:58:46,714 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517011834] [2023-05-04 05:58:46,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 05:58:46,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 05:58:46,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 05:58:46,961 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 05:58:46,962 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 05:58:46,962 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517011834] [2023-05-04 05:58:46,962 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1517011834] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 05:58:46,962 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 05:58:46,962 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-05-04 05:58:46,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323712418] [2023-05-04 05:58:46,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 05:58:46,963 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-05-04 05:58:46,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 05:58:46,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-05-04 05:58:46,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-05-04 05:58:46,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 05:58:46,964 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 05:58:46,964 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.714285714285715) internal successors, (124), 7 states have internal predecessors, (124), 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 05:58:46,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 05:58:46,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 05:58:46,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-05-04 05:58:46,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 05:58:46,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2023-05-04 05:58:46,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-04 05:58:46,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-05-04 05:58:46,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 05:58:47,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 05:58:47,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 05:58:47,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-04 05:58:47,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 05:58:47,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2023-05-04 05:58:47,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-04 05:58:47,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-05-04 05:58:47,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-04 05:58:47,697 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-05-04 05:58:47,697 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-04 05:58:47,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 05:58:47,698 INFO L85 PathProgramCache]: Analyzing trace with hash -400396866, now seen corresponding path program 1 times [2023-05-04 05:58:47,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 05:58:47,698 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1360708996] [2023-05-04 05:58:47,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 05:58:47,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 05:58:47,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 05:58:47,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 05:58:47,742 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 05:58:47,742 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1360708996] [2023-05-04 05:58:47,743 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1360708996] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 05:58:47,743 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 05:58:47,743 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-05-04 05:58:47,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775868001] [2023-05-04 05:58:47,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 05:58:47,743 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-05-04 05:58:47,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 05:58:47,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-05-04 05:58:47,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-05-04 05:58:47,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 05:58:47,745 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 05:58:47,746 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 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 05:58:47,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 05:58:47,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 05:58:47,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-05-04 05:58:47,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 05:58:47,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2023-05-04 05:58:47,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-04 05:58:47,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-05-04 05:58:47,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-04 05:58:47,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 05:58:48,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 05:58:48,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 05:58:48,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-04 05:58:48,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 05:58:48,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2023-05-04 05:58:48,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-04 05:58:48,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-05-04 05:58:48,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-04 05:58:48,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 05:58:48,653 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2023-05-04 05:58:48,653 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2023-05-04 05:58:48,653 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2023-05-04 05:58:48,654 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2023-05-04 05:58:48,654 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-05-04 05:58:48,663 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-05-04 05:58:48,666 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-04 05:58:48,666 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-04 05:58:48,669 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.05 05:58:48 BasicIcfg [2023-05-04 05:58:48,669 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-04 05:58:48,669 INFO L158 Benchmark]: Toolchain (without parser) took 13321.62ms. Allocated memory was 179.3MB in the beginning and 803.2MB in the end (delta: 623.9MB). Free memory was 155.7MB in the beginning and 383.5MB in the end (delta: -227.8MB). Peak memory consumption was 411.7MB. Max. memory is 8.0GB. [2023-05-04 05:58:48,670 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 179.3MB. Free memory is still 139.0MB. There was no memory consumed. Max. memory is 8.0GB. [2023-05-04 05:58:48,670 INFO L158 Benchmark]: CACSL2BoogieTranslator took 214.14ms. Allocated memory was 179.3MB in the beginning and 221.2MB in the end (delta: 41.9MB). Free memory was 155.3MB in the beginning and 193.7MB in the end (delta: -38.3MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. [2023-05-04 05:58:48,672 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.90ms. Allocated memory is still 221.2MB. Free memory was 193.7MB in the beginning and 191.6MB in the end (delta: 2.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-05-04 05:58:48,672 INFO L158 Benchmark]: Boogie Preprocessor took 22.13ms. Allocated memory is still 221.2MB. Free memory was 191.1MB in the beginning and 189.7MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-05-04 05:58:48,672 INFO L158 Benchmark]: RCFGBuilder took 527.45ms. Allocated memory is still 221.2MB. Free memory was 189.7MB in the beginning and 172.3MB in the end (delta: 17.4MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2023-05-04 05:58:48,673 INFO L158 Benchmark]: TraceAbstraction took 12501.30ms. Allocated memory was 221.2MB in the beginning and 803.2MB in the end (delta: 582.0MB). Free memory was 170.8MB in the beginning and 383.5MB in the end (delta: -212.7MB). Peak memory consumption was 385.8MB. Max. memory is 8.0GB. [2023-05-04 05:58:48,674 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 179.3MB. Free memory is still 139.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 214.14ms. Allocated memory was 179.3MB in the beginning and 221.2MB in the end (delta: 41.9MB). Free memory was 155.3MB in the beginning and 193.7MB in the end (delta: -38.3MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 50.90ms. Allocated memory is still 221.2MB. Free memory was 193.7MB in the beginning and 191.6MB in the end (delta: 2.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 22.13ms. Allocated memory is still 221.2MB. Free memory was 191.1MB in the beginning and 189.7MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 527.45ms. Allocated memory is still 221.2MB. Free memory was 189.7MB in the beginning and 172.3MB in the end (delta: 17.4MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * TraceAbstraction took 12501.30ms. Allocated memory was 221.2MB in the beginning and 803.2MB in the end (delta: 582.0MB). Free memory was 170.8MB in the beginning and 383.5MB in the end (delta: -212.7MB). Peak memory consumption was 385.8MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 347714, independent: 288892, independent conditional: 275019, independent unconditional: 13873, dependent: 58822, dependent conditional: 58812, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 288902, independent: 288892, independent conditional: 275019, independent unconditional: 13873, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 288902, independent: 288892, independent conditional: 275019, independent unconditional: 13873, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 288902, independent: 288892, independent conditional: 0, independent unconditional: 288892, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 288902, independent: 288892, independent conditional: 0, independent unconditional: 288892, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 288902, independent: 288892, independent conditional: 0, independent unconditional: 288892, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 13883, independent: 13873, independent conditional: 0, independent unconditional: 13873, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 13883, independent: 13873, independent conditional: 0, independent unconditional: 13873, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 10, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 10, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 89, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 89, dependent conditional: 0, dependent unconditional: 89, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 288902, independent: 275019, independent conditional: 0, independent unconditional: 275019, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 13883, unknown conditional: 0, unknown unconditional: 13883] , Statistics on independence cache: Total cache size (in pairs): 13883, Positive cache size: 13873, Positive conditional cache size: 0, Positive unconditional cache size: 13873, Negative cache size: 10, Negative conditional cache size: 0, Negative unconditional cache size: 10, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 58812 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.9s, Number of persistent set computation: 15151, Number of trivial persistent sets: 10909, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 13883, independent: 13873, independent conditional: 0, independent unconditional: 13873, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 347714, independent: 288892, independent conditional: 275019, independent unconditional: 13873, dependent: 58822, dependent conditional: 58812, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 288902, independent: 288892, independent conditional: 275019, independent unconditional: 13873, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 288902, independent: 288892, independent conditional: 275019, independent unconditional: 13873, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 288902, independent: 288892, independent conditional: 0, independent unconditional: 288892, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 288902, independent: 288892, independent conditional: 0, independent unconditional: 288892, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 288902, independent: 288892, independent conditional: 0, independent unconditional: 288892, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 13883, independent: 13873, independent conditional: 0, independent unconditional: 13873, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 13883, independent: 13873, independent conditional: 0, independent unconditional: 13873, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 10, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 10, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 89, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 89, dependent conditional: 0, dependent unconditional: 89, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 288902, independent: 275019, independent conditional: 0, independent unconditional: 275019, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 13883, unknown conditional: 0, unknown unconditional: 13883] , Statistics on independence cache: Total cache size (in pairs): 13883, Positive cache size: 13873, Positive conditional cache size: 0, Positive unconditional cache size: 13873, Negative cache size: 10, Negative conditional cache size: 0, Negative unconditional cache size: 10, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 58812 - PositiveResult [Line: 80]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 314 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 12.3s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 9.2s, 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: 107, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 1177 NumberOfCodeBlocks, 1177 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1168 ConstructedInterpolants, 0 QuantifiedInterpolants, 2987 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-05-04 05:58:48,710 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 05:58:48,916 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...