/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 GLOBAL_READ_WRITE -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_68-pfscan_protected_loop_minimal_interval_true.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-32214ab [2023-05-20 04:17:46,667 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-05-20 04:17:46,669 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-05-20 04:17:46,699 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2023-05-20 04:17:46,713 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-05-20 04:17:46,715 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-05-20 04:17:46,716 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-05-20 04:17:46,717 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-05-20 04:17:46,717 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-05-20 04:17:46,718 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-05-20 04:17:46,719 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-05-20 04:17:46,720 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-05-20 04:17:46,720 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-05-20 04:17:46,721 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-05-20 04:17:46,722 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-05-20 04:17:46,723 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-05-20 04:17:46,729 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-05-20 04:17:46,729 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-05-20 04:17:46,729 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-05-20 04:17:46,730 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-05-20 04:17:46,731 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-05-20 04:17:46,731 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-05-20 04:17:46,731 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-05-20 04:17:46,732 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-05-20 04:17:46,733 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-05-20 04:17:46,733 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-05-20 04:17:46,734 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-05-20 04:17:46,734 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-05-20 04:17:46,734 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-05-20 04:17:46,735 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-05-20 04:17:46,735 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-20 04:17:46,735 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-20 04:17:46,736 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-20 04:17:46,736 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-20 04:17:46,760 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-20 04:17:46,760 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-20 04:17:46,760 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-20 04:17:46,760 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-20 04:17:46,761 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-20 04:17:46,761 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-20 04:17:46,761 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-20 04:17:46,761 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-20 04:17:46,762 INFO L138 SettingsManager]: * Use SBE=true [2023-05-20 04:17:46,762 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-20 04:17:46,762 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-20 04:17:46,762 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-20 04:17:46,762 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-20 04:17:46,762 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-20 04:17:46,763 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-20 04:17:46,763 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-20 04:17:46,763 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-20 04:17:46,763 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-20 04:17:46,763 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-20 04:17:46,763 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-20 04:17:46,763 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-20 04:17:46,763 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-20 04:17:46,763 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-20 04:17:46,763 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-20 04:17:46,763 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-20 04:17:46,763 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-20 04:17:46,764 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-20 04:17:46,764 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-20 04:17:46,764 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-20 04:17:46,764 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-20 04:17:46,764 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-20 04:17:46,764 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-20 04:17:46,764 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-20 04:17:46,764 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-20 04:17:46,764 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-20 04:17:46,764 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-20 04:17:46,764 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> 3,2 1,1 2,2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> GLOBAL_READ_WRITE [2023-05-20 04:17:46,950 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-20 04:17:46,968 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-20 04:17:46,969 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-20 04:17:46,970 INFO L271 PluginConnector]: Initializing CDTParser... [2023-05-20 04:17:46,971 INFO L275 PluginConnector]: CDTParser initialized [2023-05-20 04:17:46,972 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_68-pfscan_protected_loop_minimal_interval_true.i [2023-05-20 04:17:47,037 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/89d247104/077ced825455451c986de413e241a318/FLAGc6e79e7ac [2023-05-20 04:17:47,421 INFO L306 CDTParser]: Found 1 translation units. [2023-05-20 04:17:47,421 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_68-pfscan_protected_loop_minimal_interval_true.i [2023-05-20 04:17:47,429 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/89d247104/077ced825455451c986de413e241a318/FLAGc6e79e7ac [2023-05-20 04:17:47,450 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/89d247104/077ced825455451c986de413e241a318 [2023-05-20 04:17:47,452 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-20 04:17:47,453 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-20 04:17:47,456 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-05-20 04:17:47,456 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-05-20 04:17:47,458 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-05-20 04:17:47,458 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.05 04:17:47" (1/1) ... [2023-05-20 04:17:47,459 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f5b39e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:17:47, skipping insertion in model container [2023-05-20 04:17:47,460 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.05 04:17:47" (1/1) ... [2023-05-20 04:17:47,464 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-05-20 04:17:47,490 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-05-20 04:17:47,692 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_68-pfscan_protected_loop_minimal_interval_true.i[1115,1128] [2023-05-20 04:17:47,822 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-20 04:17:47,828 INFO L203 MainTranslator]: Completed pre-run [2023-05-20 04:17:47,834 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_68-pfscan_protected_loop_minimal_interval_true.i[1115,1128] [2023-05-20 04:17:47,854 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-20 04:17:47,881 INFO L208 MainTranslator]: Completed translation [2023-05-20 04:17:47,881 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:17:47 WrapperNode [2023-05-20 04:17:47,881 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-05-20 04:17:47,882 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-20 04:17:47,882 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-20 04:17:47,882 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-20 04:17:47,893 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:17:47" (1/1) ... [2023-05-20 04:17:47,902 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:17:47" (1/1) ... [2023-05-20 04:17:47,922 INFO L138 Inliner]: procedures = 165, calls = 35, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 118 [2023-05-20 04:17:47,923 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-20 04:17:47,923 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-20 04:17:47,923 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-20 04:17:47,923 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-20 04:17:47,929 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:17:47" (1/1) ... [2023-05-20 04:17:47,929 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:17:47" (1/1) ... [2023-05-20 04:17:47,934 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:17:47" (1/1) ... [2023-05-20 04:17:47,935 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:17:47" (1/1) ... [2023-05-20 04:17:47,940 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:17:47" (1/1) ... [2023-05-20 04:17:47,943 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:17:47" (1/1) ... [2023-05-20 04:17:47,944 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:17:47" (1/1) ... [2023-05-20 04:17:47,945 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:17:47" (1/1) ... [2023-05-20 04:17:47,947 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-20 04:17:47,948 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-20 04:17:47,948 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-20 04:17:47,948 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-20 04:17:47,961 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:17:47" (1/1) ... [2023-05-20 04:17:47,966 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-20 04:17:47,975 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 04:17:47,984 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) [2023-05-20 04:17:48,013 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-05-20 04:17:48,013 INFO L130 BoogieDeclarations]: Found specification of procedure worker [2023-05-20 04:17:48,014 INFO L138 BoogieDeclarations]: Found implementation of procedure worker [2023-05-20 04:17:48,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-05-20 04:17:48,014 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-05-20 04:17:48,014 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-05-20 04:17:48,014 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-05-20 04:17:48,014 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-05-20 04:17:48,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-05-20 04:17:48,014 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-20 04:17:48,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-20 04:17:48,015 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2023-05-20 04:17:47,994 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 [2023-05-20 04:17:48,099 INFO L235 CfgBuilder]: Building ICFG [2023-05-20 04:17:48,100 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-20 04:17:48,351 INFO L276 CfgBuilder]: Performing block encoding [2023-05-20 04:17:48,357 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-20 04:17:48,357 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2023-05-20 04:17:48,359 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.05 04:17:48 BoogieIcfgContainer [2023-05-20 04:17:48,359 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-20 04:17:48,360 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-20 04:17:48,360 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-20 04:17:48,374 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-20 04:17:48,374 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.05 04:17:47" (1/3) ... [2023-05-20 04:17:48,374 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a291898 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.05 04:17:48, skipping insertion in model container [2023-05-20 04:17:48,375 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:17:47" (2/3) ... [2023-05-20 04:17:48,375 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a291898 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.05 04:17:48, skipping insertion in model container [2023-05-20 04:17:48,375 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.05 04:17:48" (3/3) ... [2023-05-20 04:17:48,376 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_68-pfscan_protected_loop_minimal_interval_true.i [2023-05-20 04:17:48,398 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-20 04:17:48,407 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-20 04:17:48,407 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-05-20 04:17:48,407 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-20 04:17:48,520 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-05-20 04:17:48,549 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-20 04:17:48,549 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-20 04:17:48,551 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 04:17:48,556 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) [2023-05-20 04:17:48,559 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 [2023-05-20 04:17:48,583 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-20 04:17:48,599 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == workerThread1of1ForFork0 ======== [2023-05-20 04:17:48,603 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;@3519bac7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-20 04:17:48,603 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-05-20 04:17:48,720 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting workerErr1ASSERT_VIOLATIONERROR_FUNCTION === [workerErr1ASSERT_VIOLATIONERROR_FUNCTION, workerErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-20 04:17:48,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 04:17:48,723 INFO L85 PathProgramCache]: Analyzing trace with hash 1865521660, now seen corresponding path program 1 times [2023-05-20 04:17:48,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 04:17:48,730 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807733720] [2023-05-20 04:17:48,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 04:17:48,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 04:17:48,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 04:17:48,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 04:17:48,912 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 04:17:48,912 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1807733720] [2023-05-20 04:17:48,914 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1807733720] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 04:17:48,914 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 04:17:48,914 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-05-20 04:17:48,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1485920720] [2023-05-20 04:17:48,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 04:17:48,922 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-05-20 04:17:48,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 04:17:48,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-05-20 04:17:48,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-05-20 04:17:48,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 04:17:48,939 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 04:17:48,940 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 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) [2023-05-20 04:17:48,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 04:17:48,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 04:17:48,974 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-20 04:17:48,974 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting workerErr1ASSERT_VIOLATIONERROR_FUNCTION === [workerErr1ASSERT_VIOLATIONERROR_FUNCTION, workerErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-20 04:17:48,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 04:17:48,975 INFO L85 PathProgramCache]: Analyzing trace with hash 326788120, now seen corresponding path program 1 times [2023-05-20 04:17:48,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 04:17:48,975 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1065364205] [2023-05-20 04:17:48,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 04:17:48,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 04:17:49,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 04:17:49,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 04:17:49,179 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 04:17:49,179 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1065364205] [2023-05-20 04:17:49,180 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1065364205] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 04:17:49,180 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 04:17:49,180 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-05-20 04:17:49,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621635412] [2023-05-20 04:17:49,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 04:17:49,182 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-05-20 04:17:49,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 04:17:49,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-05-20 04:17:49,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-05-20 04:17:49,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 04:17:49,184 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 04:17:49,184 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 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) [2023-05-20 04:17:49,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 04:17:49,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 04:17:49,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 04:17:49,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-20 04:17:49,464 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-05-20 04:17:49,464 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting workerErr1ASSERT_VIOLATIONERROR_FUNCTION === [workerErr1ASSERT_VIOLATIONERROR_FUNCTION, workerErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-20 04:17:49,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 04:17:49,465 INFO L85 PathProgramCache]: Analyzing trace with hash 489359410, now seen corresponding path program 1 times [2023-05-20 04:17:49,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 04:17:49,465 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751275425] [2023-05-20 04:17:49,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 04:17:49,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 04:17:49,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 04:17:50,394 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-20 04:17:50,394 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 04:17:50,394 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1751275425] [2023-05-20 04:17:50,394 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1751275425] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 04:17:50,394 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 04:17:50,395 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2023-05-20 04:17:50,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642314946] [2023-05-20 04:17:50,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 04:17:50,395 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-05-20 04:17:50,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 04:17:50,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-05-20 04:17:50,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2023-05-20 04:17:50,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 04:17:50,399 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 04:17:50,399 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 7.4) internal successors, (111), 15 states have internal predecessors, (111), 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) [2023-05-20 04:17:50,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 04:17:50,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-20 04:17:50,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 04:17:51,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 04:17:51,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-20 04:17:51,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-05-20 04:17:51,374 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-05-20 04:17:51,374 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting workerErr0ASSERT_VIOLATIONERROR_FUNCTION === [workerErr1ASSERT_VIOLATIONERROR_FUNCTION, workerErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-20 04:17:51,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 04:17:51,375 INFO L85 PathProgramCache]: Analyzing trace with hash 1505738330, now seen corresponding path program 1 times [2023-05-20 04:17:51,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 04:17:51,375 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [967388284] [2023-05-20 04:17:51,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 04:17:51,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 04:17:51,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 04:17:51,925 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2023-05-20 04:17:51,925 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 04:17:51,928 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [967388284] [2023-05-20 04:17:51,928 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [967388284] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 04:17:51,928 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 04:17:51,929 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2023-05-20 04:17:51,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616471879] [2023-05-20 04:17:51,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 04:17:51,930 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-05-20 04:17:51,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 04:17:51,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-05-20 04:17:51,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210 [2023-05-20 04:17:51,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 04:17:51,932 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 04:17:51,932 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 7.866666666666666) internal successors, (118), 15 states have internal predecessors, (118), 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) [2023-05-20 04:17:51,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 04:17:51,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-20 04:17:51,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2023-05-20 04:17:51,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 04:17:52,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 04:17:52,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-20 04:17:52,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-05-20 04:17:52,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-05-20 04:17:52,222 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-05-20 04:17:52,222 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting workerErr0ASSERT_VIOLATIONERROR_FUNCTION === [workerErr1ASSERT_VIOLATIONERROR_FUNCTION, workerErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-20 04:17:52,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 04:17:52,222 INFO L85 PathProgramCache]: Analyzing trace with hash -1938685600, now seen corresponding path program 1 times [2023-05-20 04:17:52,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 04:17:52,223 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470500811] [2023-05-20 04:17:52,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 04:17:52,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 04:17:52,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 04:17:52,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 04:17:52,449 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 04:17:52,449 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1470500811] [2023-05-20 04:17:52,449 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1470500811] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 04:17:52,449 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 04:17:52,450 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2023-05-20 04:17:52,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217478934] [2023-05-20 04:17:52,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 04:17:52,450 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-05-20 04:17:52,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 04:17:52,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-05-20 04:17:52,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2023-05-20 04:17:52,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 04:17:52,451 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 04:17:52,451 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 4.066666666666666) internal successors, (61), 15 states have internal predecessors, (61), 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) [2023-05-20 04:17:52,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 04:17:52,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-20 04:17:52,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2023-05-20 04:17:52,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-05-20 04:17:52,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 04:17:53,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 04:17:53,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-20 04:17:53,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-05-20 04:17:53,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 04:17:53,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-20 04:17:53,017 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-05-20 04:17:53,017 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting workerErr0ASSERT_VIOLATIONERROR_FUNCTION === [workerErr1ASSERT_VIOLATIONERROR_FUNCTION, workerErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-20 04:17:53,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 04:17:53,018 INFO L85 PathProgramCache]: Analyzing trace with hash 729736468, now seen corresponding path program 1 times [2023-05-20 04:17:53,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 04:17:53,018 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [498190483] [2023-05-20 04:17:53,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 04:17:53,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 04:17:53,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 04:17:53,261 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-20 04:17:53,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 04:17:53,261 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [498190483] [2023-05-20 04:17:53,261 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [498190483] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 04:17:53,262 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 04:17:53,262 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-05-20 04:17:53,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757897747] [2023-05-20 04:17:53,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 04:17:53,262 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-05-20 04:17:53,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 04:17:53,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-05-20 04:17:53,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-05-20 04:17:53,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 04:17:53,263 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 04:17:53,263 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.75) internal successors, (86), 8 states have internal predecessors, (86), 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) [2023-05-20 04:17:53,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 04:17:53,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-20 04:17:53,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-05-20 04:17:53,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 04:17:53,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-20 04:17:53,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 04:17:53,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 04:17:53,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-20 04:17:53,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-05-20 04:17:53,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 04:17:53,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-20 04:17:53,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 04:17:53,469 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-05-20 04:17:53,469 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting workerErr0ASSERT_VIOLATIONERROR_FUNCTION === [workerErr1ASSERT_VIOLATIONERROR_FUNCTION, workerErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-20 04:17:53,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 04:17:53,469 INFO L85 PathProgramCache]: Analyzing trace with hash -2102052921, now seen corresponding path program 1 times [2023-05-20 04:17:53,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 04:17:53,469 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [685410128] [2023-05-20 04:17:53,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 04:17:53,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 04:17:53,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 04:17:53,783 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 04:17:53,783 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 04:17:53,783 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [685410128] [2023-05-20 04:17:53,783 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [685410128] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 04:17:53,784 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1208618556] [2023-05-20 04:17:53,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 04:17:53,784 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 04:17:53,784 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 04:17:53,785 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) [2023-05-20 04:17:53,831 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-05-20 04:17:53,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 04:17:53,896 INFO L263 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 43 conjunts are in the unsatisfiable core [2023-05-20 04:17:53,902 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 04:17:54,591 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 16 [2023-05-20 04:17:54,767 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2023-05-20 04:17:54,803 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 04:17:54,803 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 04:17:55,225 INFO L356 Elim1Store]: treesize reduction 10, result has 9.1 percent of original size [2023-05-20 04:17:55,225 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 44 treesize of output 32 [2023-05-20 04:17:55,293 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 04:17:55,294 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1208618556] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 04:17:55,294 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 04:17:55,294 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 20, 19] total 42 [2023-05-20 04:17:55,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1399479731] [2023-05-20 04:17:55,294 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 04:17:55,295 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2023-05-20 04:17:55,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 04:17:55,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2023-05-20 04:17:55,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=226, Invalid=1496, Unknown=0, NotChecked=0, Total=1722 [2023-05-20 04:17:55,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 04:17:55,296 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 04:17:55,296 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 42 states have (on average 5.833333333333333) internal successors, (245), 42 states have internal predecessors, (245), 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) [2023-05-20 04:17:55,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 04:17:55,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-20 04:17:55,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-05-20 04:17:55,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 04:17:55,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-20 04:17:55,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 04:17:55,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 04:17:56,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 04:17:56,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-20 04:17:56,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-05-20 04:17:56,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 04:17:56,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-20 04:17:56,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 04:17:56,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-05-20 04:17:56,593 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-05-20 04:17:56,764 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,SelfDestructingSolverStorable6 [2023-05-20 04:17:56,764 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting workerErr0ASSERT_VIOLATIONERROR_FUNCTION === [workerErr1ASSERT_VIOLATIONERROR_FUNCTION, workerErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-20 04:17:56,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 04:17:56,765 INFO L85 PathProgramCache]: Analyzing trace with hash 909053535, now seen corresponding path program 1 times [2023-05-20 04:17:56,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 04:17:56,765 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1237257766] [2023-05-20 04:17:56,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 04:17:56,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 04:17:56,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 04:17:57,354 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 10 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 04:17:57,355 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 04:17:57,355 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1237257766] [2023-05-20 04:17:57,355 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1237257766] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 04:17:57,355 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1898822072] [2023-05-20 04:17:57,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 04:17:57,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 04:17:57,356 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 04:17:57,357 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) [2023-05-20 04:17:57,358 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-05-20 04:17:57,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 04:17:57,447 INFO L263 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 42 conjunts are in the unsatisfiable core [2023-05-20 04:17:57,459 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 04:17:57,886 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 16 [2023-05-20 04:17:58,222 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 16 [2023-05-20 04:17:58,261 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-05-20 04:17:58,263 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 10 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 04:17:58,263 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 04:17:58,992 INFO L356 Elim1Store]: treesize reduction 10, result has 9.1 percent of original size [2023-05-20 04:17:58,994 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 44 treesize of output 32 [2023-05-20 04:17:59,089 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 04:17:59,089 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1898822072] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 04:17:59,089 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 04:17:59,089 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 18, 17] total 44 [2023-05-20 04:17:59,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311782698] [2023-05-20 04:17:59,090 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 04:17:59,090 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2023-05-20 04:17:59,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 04:17:59,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2023-05-20 04:17:59,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=215, Invalid=1677, Unknown=0, NotChecked=0, Total=1892 [2023-05-20 04:17:59,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 04:17:59,091 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 04:17:59,092 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 44 states have (on average 7.181818181818182) internal successors, (316), 44 states have internal predecessors, (316), 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) [2023-05-20 04:17:59,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 04:17:59,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-20 04:17:59,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-05-20 04:17:59,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 04:17:59,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-20 04:17:59,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 04:17:59,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-05-20 04:17:59,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 04:18:00,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 04:18:00,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-20 04:18:00,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-05-20 04:18:00,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 04:18:00,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-20 04:18:00,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 04:18:00,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-05-20 04:18:00,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-05-20 04:18:01,001 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-05-20 04:18:01,193 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 04:18:01,193 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting workerErr0ASSERT_VIOLATIONERROR_FUNCTION === [workerErr1ASSERT_VIOLATIONERROR_FUNCTION, workerErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-20 04:18:01,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 04:18:01,193 INFO L85 PathProgramCache]: Analyzing trace with hash 2017613786, now seen corresponding path program 1 times [2023-05-20 04:18:01,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 04:18:01,194 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870601248] [2023-05-20 04:18:01,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 04:18:01,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 04:18:01,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 04:18:01,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 04:18:01,581 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 04:18:01,581 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1870601248] [2023-05-20 04:18:01,581 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1870601248] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 04:18:01,581 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 04:18:01,582 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2023-05-20 04:18:01,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755150925] [2023-05-20 04:18:01,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 04:18:01,582 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2023-05-20 04:18:01,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 04:18:01,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2023-05-20 04:18:01,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=366, Unknown=0, NotChecked=0, Total=420 [2023-05-20 04:18:01,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 04:18:01,583 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 04:18:01,583 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 3.857142857142857) internal successors, (81), 21 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 04:18:01,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 04:18:01,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-20 04:18:01,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-05-20 04:18:01,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 04:18:01,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-20 04:18:01,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 04:18:01,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-05-20 04:18:01,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-05-20 04:18:01,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 04:18:02,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 04:18:02,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-20 04:18:02,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-05-20 04:18:02,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 04:18:02,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-20 04:18:02,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 04:18:02,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-05-20 04:18:02,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-05-20 04:18:02,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-05-20 04:18:02,576 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-05-20 04:18:02,576 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting workerErr0ASSERT_VIOLATIONERROR_FUNCTION === [workerErr1ASSERT_VIOLATIONERROR_FUNCTION, workerErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-20 04:18:02,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 04:18:02,576 INFO L85 PathProgramCache]: Analyzing trace with hash -154723924, now seen corresponding path program 1 times [2023-05-20 04:18:02,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 04:18:02,576 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475946500] [2023-05-20 04:18:02,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 04:18:02,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 04:18:02,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 04:18:03,218 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 04:18:03,218 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 04:18:03,218 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1475946500] [2023-05-20 04:18:03,218 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1475946500] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 04:18:03,218 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1316377730] [2023-05-20 04:18:03,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 04:18:03,219 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 04:18:03,219 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 04:18:03,220 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) [2023-05-20 04:18:03,221 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-05-20 04:18:03,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 04:18:03,295 INFO L263 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 56 conjunts are in the unsatisfiable core [2023-05-20 04:18:03,297 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 04:18:03,387 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-05-20 04:18:03,387 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2023-05-20 04:18:03,492 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-05-20 04:18:03,557 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2023-05-20 04:18:03,941 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 16 [2023-05-20 04:18:04,292 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 16 [2023-05-20 04:18:04,345 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-05-20 04:18:04,362 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 3 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 04:18:04,362 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 04:18:30,175 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 04:18:30,176 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 21 [2023-05-20 04:18:30,182 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 04:18:30,183 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 37 [2023-05-20 04:18:30,200 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2023-05-20 04:18:30,347 INFO L356 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2023-05-20 04:18:30,347 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 12 [2023-05-20 04:18:30,349 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 04:18:30,350 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1316377730] provided 1 perfect and 1 imperfect interpolant sequences [2023-05-20 04:18:30,350 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-05-20 04:18:30,350 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [28, 22] total 64 [2023-05-20 04:18:30,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657718206] [2023-05-20 04:18:30,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 04:18:30,350 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2023-05-20 04:18:30,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 04:18:30,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2023-05-20 04:18:30,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=419, Invalid=3603, Unknown=10, NotChecked=0, Total=4032 [2023-05-20 04:18:30,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 04:18:30,352 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 04:18:30,352 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 4.818181818181818) internal successors, (106), 22 states have internal predecessors, (106), 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) [2023-05-20 04:18:30,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 04:18:30,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-20 04:18:30,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-05-20 04:18:30,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 04:18:30,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-20 04:18:30,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 04:18:30,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-05-20 04:18:30,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-05-20 04:18:30,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-05-20 04:18:30,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 04:18:30,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 04:18:30,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-20 04:18:30,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-05-20 04:18:30,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 04:18:30,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-20 04:18:30,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 04:18:30,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-05-20 04:18:30,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-05-20 04:18:30,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-05-20 04:18:30,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-20 04:18:30,749 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-05-20 04:18:30,949 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 04:18:30,949 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting workerErr0ASSERT_VIOLATIONERROR_FUNCTION === [workerErr1ASSERT_VIOLATIONERROR_FUNCTION, workerErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-20 04:18:30,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 04:18:30,950 INFO L85 PathProgramCache]: Analyzing trace with hash 219750906, now seen corresponding path program 1 times [2023-05-20 04:18:30,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 04:18:30,950 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1056492513] [2023-05-20 04:18:30,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 04:18:30,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 04:18:30,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 04:18:31,180 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 37 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-20 04:18:31,180 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 04:18:31,180 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1056492513] [2023-05-20 04:18:31,180 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1056492513] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 04:18:31,182 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [723483155] [2023-05-20 04:18:31,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 04:18:31,182 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 04:18:31,182 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 04:18:31,189 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) [2023-05-20 04:18:31,213 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-05-20 04:18:31,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 04:18:31,292 INFO L263 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 38 conjunts are in the unsatisfiable core [2023-05-20 04:18:31,296 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 04:18:31,616 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-05-20 04:18:31,926 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-05-20 04:18:31,929 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 23 proven. 15 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-20 04:18:31,929 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 04:18:32,044 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 37 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-20 04:18:32,045 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [723483155] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 04:18:32,045 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 04:18:32,045 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11, 9] total 21 [2023-05-20 04:18:32,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1965236299] [2023-05-20 04:18:32,045 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 04:18:32,045 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2023-05-20 04:18:32,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 04:18:32,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2023-05-20 04:18:32,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=351, Unknown=0, NotChecked=0, Total=420 [2023-05-20 04:18:32,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 04:18:32,046 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 04:18:32,046 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 10.666666666666666) internal successors, (224), 21 states have internal predecessors, (224), 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) [2023-05-20 04:18:32,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 04:18:32,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-20 04:18:32,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-05-20 04:18:32,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 04:18:32,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-20 04:18:32,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 04:18:32,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-05-20 04:18:32,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-05-20 04:18:32,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-05-20 04:18:32,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-20 04:18:32,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 04:18:32,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 04:18:32,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-20 04:18:32,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-05-20 04:18:32,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 04:18:32,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-20 04:18:32,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 04:18:32,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-05-20 04:18:32,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-05-20 04:18:32,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-05-20 04:18:32,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-05-20 04:18:32,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-20 04:18:32,581 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-05-20 04:18:32,772 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-05-20 04:18:32,772 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting workerErr0ASSERT_VIOLATIONERROR_FUNCTION === [workerErr1ASSERT_VIOLATIONERROR_FUNCTION, workerErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-20 04:18:32,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 04:18:32,773 INFO L85 PathProgramCache]: Analyzing trace with hash 490924190, now seen corresponding path program 2 times [2023-05-20 04:18:32,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 04:18:32,773 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [278398315] [2023-05-20 04:18:32,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 04:18:32,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 04:18:32,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 04:18:33,008 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2023-05-20 04:18:33,009 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 04:18:33,009 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [278398315] [2023-05-20 04:18:33,009 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [278398315] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 04:18:33,009 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1504967677] [2023-05-20 04:18:33,009 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-20 04:18:33,009 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 04:18:33,009 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 04:18:33,010 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) [2023-05-20 04:18:33,021 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-05-20 04:18:33,094 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-05-20 04:18:33,094 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 04:18:33,095 INFO L263 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 24 conjunts are in the unsatisfiable core [2023-05-20 04:18:33,097 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 04:18:33,729 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-05-20 04:18:33,732 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2023-05-20 04:18:33,732 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 04:18:33,793 INFO L356 Elim1Store]: treesize reduction 4, result has 63.6 percent of original size [2023-05-20 04:18:33,793 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 14 [2023-05-20 04:18:33,980 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2023-05-20 04:18:33,980 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1504967677] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 04:18:33,980 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 04:18:33,980 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 9] total 20 [2023-05-20 04:18:33,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1449941481] [2023-05-20 04:18:33,980 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 04:18:33,981 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-05-20 04:18:33,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 04:18:33,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-05-20 04:18:33,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=323, Unknown=0, NotChecked=0, Total=380 [2023-05-20 04:18:33,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 04:18:33,981 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 04:18:33,982 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 9.45) internal successors, (189), 20 states have internal predecessors, (189), 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) [2023-05-20 04:18:33,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 04:18:33,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-20 04:18:33,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-05-20 04:18:33,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 04:18:33,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-20 04:18:33,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 04:18:33,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-05-20 04:18:33,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-05-20 04:18:33,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-05-20 04:18:33,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-05-20 04:18:33,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-20 04:18:33,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 04:18:34,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 04:18:34,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-20 04:18:34,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-05-20 04:18:34,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 04:18:34,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-20 04:18:34,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 04:18:34,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-05-20 04:18:34,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-05-20 04:18:34,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-05-20 04:18:34,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-05-20 04:18:34,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-20 04:18:34,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 04:18:34,648 INFO L805 garLoopResultBuilder]: Registering result SAFE for location workerErr1ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2023-05-20 04:18:34,649 INFO L805 garLoopResultBuilder]: Registering result SAFE for location workerErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2023-05-20 04:18:34,664 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-05-20 04:18:34,853 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 04:18:34,859 INFO L444 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-05-20 04:18:34,861 INFO L307 ceAbstractionStarter]: Result for error location workerThread1of1ForFork0 was SAFE,SAFE (1/2) [2023-05-20 04:18:34,868 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-20 04:18:34,868 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-20 04:18:34,868 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 04:18:34,869 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-05-20 04:18:34,870 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (8)] Waiting until timeout for monitored process [2023-05-20 04:18:34,872 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-20 04:18:34,873 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-20 04:18:34,873 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;@3519bac7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-20 04:18:34,873 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-05-20 04:18:34,876 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-05-20 04:18:34,876 INFO L444 BasicCegarLoop]: Path program histogram: [] [2023-05-20 04:18:34,879 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE (2/2) [2023-05-20 04:18:34,879 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-20 04:18:34,879 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-20 04:18:34,882 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.05 04:18:34 BasicIcfg [2023-05-20 04:18:34,882 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-20 04:18:34,882 INFO L158 Benchmark]: Toolchain (without parser) took 47428.89ms. Allocated memory was 199.2MB in the beginning and 466.6MB in the end (delta: 267.4MB). Free memory was 140.6MB in the beginning and 180.8MB in the end (delta: -40.2MB). Peak memory consumption was 228.2MB. Max. memory is 8.0GB. [2023-05-20 04:18:34,883 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 199.2MB. Free memory is still 159.0MB. There was no memory consumed. Max. memory is 8.0GB. [2023-05-20 04:18:34,883 INFO L158 Benchmark]: CACSL2BoogieTranslator took 425.50ms. Allocated memory is still 199.2MB. Free memory was 140.4MB in the beginning and 162.2MB in the end (delta: -21.8MB). Peak memory consumption was 11.7MB. Max. memory is 8.0GB. [2023-05-20 04:18:34,883 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.98ms. Allocated memory is still 199.2MB. Free memory was 162.2MB in the beginning and 160.0MB in the end (delta: 2.2MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-05-20 04:18:34,883 INFO L158 Benchmark]: Boogie Preprocessor took 23.84ms. Allocated memory is still 199.2MB. Free memory was 160.0MB in the beginning and 158.2MB in the end (delta: 1.7MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-05-20 04:18:34,883 INFO L158 Benchmark]: RCFGBuilder took 411.31ms. Allocated memory is still 199.2MB. Free memory was 158.0MB in the beginning and 142.5MB in the end (delta: 15.5MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. [2023-05-20 04:18:34,883 INFO L158 Benchmark]: TraceAbstraction took 46521.55ms. Allocated memory was 199.2MB in the beginning and 466.6MB in the end (delta: 267.4MB). Free memory was 141.2MB in the beginning and 180.8MB in the end (delta: -39.6MB). Peak memory consumption was 229.1MB. Max. memory is 8.0GB. [2023-05-20 04:18:34,886 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 199.2MB. Free memory is still 159.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 425.50ms. Allocated memory is still 199.2MB. Free memory was 140.4MB in the beginning and 162.2MB in the end (delta: -21.8MB). Peak memory consumption was 11.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 40.98ms. Allocated memory is still 199.2MB. Free memory was 162.2MB in the beginning and 160.0MB in the end (delta: 2.2MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 23.84ms. Allocated memory is still 199.2MB. Free memory was 160.0MB in the beginning and 158.2MB in the end (delta: 1.7MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 411.31ms. Allocated memory is still 199.2MB. Free memory was 158.0MB in the beginning and 142.5MB in the end (delta: 15.5MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. * TraceAbstraction took 46521.55ms. Allocated memory was 199.2MB in the beginning and 466.6MB in the end (delta: 267.4MB). Free memory was 141.2MB in the beginning and 180.8MB in the end (delta: -39.6MB). Peak memory consumption was 229.1MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 16453, independent: 13811, independent conditional: 7686, independent unconditional: 6125, dependent: 2642, dependent conditional: 2625, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 13869, independent: 13811, independent conditional: 7686, independent unconditional: 6125, dependent: 58, dependent conditional: 41, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 13869, independent: 13811, independent conditional: 7686, independent unconditional: 6125, dependent: 58, dependent conditional: 41, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 14278, independent: 13811, independent conditional: 21, independent unconditional: 13790, dependent: 467, dependent conditional: 388, dependent unconditional: 79, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 14278, independent: 13811, independent conditional: 21, independent unconditional: 13790, dependent: 467, dependent conditional: 273, dependent unconditional: 194, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 14278, independent: 13811, independent conditional: 21, independent unconditional: 13790, dependent: 467, dependent conditional: 273, dependent unconditional: 194, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4113, independent: 4060, independent conditional: 2, independent unconditional: 4058, dependent: 53, dependent conditional: 36, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4113, independent: 4054, independent conditional: 0, independent unconditional: 4054, dependent: 59, dependent conditional: 0, dependent unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 59, independent: 6, independent conditional: 2, independent unconditional: 4, dependent: 53, dependent conditional: 36, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 59, independent: 6, independent conditional: 2, independent unconditional: 4, dependent: 53, dependent conditional: 36, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 210, independent: 47, independent conditional: 3, independent unconditional: 44, dependent: 163, dependent conditional: 92, dependent unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 14278, independent: 9751, independent conditional: 19, independent unconditional: 9732, dependent: 414, dependent conditional: 237, dependent unconditional: 177, unknown: 4113, unknown conditional: 38, unknown unconditional: 4075] , Statistics on independence cache: Total cache size (in pairs): 4113, Positive cache size: 4060, Positive conditional cache size: 2, Positive unconditional cache size: 4058, Negative cache size: 53, Negative conditional cache size: 36, Negative unconditional cache size: 17, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 115, Maximal queried relation: 10, Independence queries for same thread: 2584 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.2s, Number of persistent set computation: 351, Number of trivial persistent sets: 229, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6142, independent: 6125, independent conditional: 0, independent unconditional: 6125, dependent: 17, dependent conditional: 0, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 16453, independent: 13811, independent conditional: 7686, independent unconditional: 6125, dependent: 2642, dependent conditional: 2625, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 13869, independent: 13811, independent conditional: 7686, independent unconditional: 6125, dependent: 58, dependent conditional: 41, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 13869, independent: 13811, independent conditional: 7686, independent unconditional: 6125, dependent: 58, dependent conditional: 41, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 14278, independent: 13811, independent conditional: 21, independent unconditional: 13790, dependent: 467, dependent conditional: 388, dependent unconditional: 79, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 14278, independent: 13811, independent conditional: 21, independent unconditional: 13790, dependent: 467, dependent conditional: 273, dependent unconditional: 194, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 14278, independent: 13811, independent conditional: 21, independent unconditional: 13790, dependent: 467, dependent conditional: 273, dependent unconditional: 194, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4113, independent: 4060, independent conditional: 2, independent unconditional: 4058, dependent: 53, dependent conditional: 36, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4113, independent: 4054, independent conditional: 0, independent unconditional: 4054, dependent: 59, dependent conditional: 0, dependent unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 59, independent: 6, independent conditional: 2, independent unconditional: 4, dependent: 53, dependent conditional: 36, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 59, independent: 6, independent conditional: 2, independent unconditional: 4, dependent: 53, dependent conditional: 36, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 210, independent: 47, independent conditional: 3, independent unconditional: 44, dependent: 163, dependent conditional: 92, dependent unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 14278, independent: 9751, independent conditional: 19, independent unconditional: 9732, dependent: 414, dependent conditional: 237, dependent unconditional: 177, unknown: 4113, unknown conditional: 38, unknown unconditional: 4075] , Statistics on independence cache: Total cache size (in pairs): 4113, Positive cache size: 4060, Positive conditional cache size: 2, Positive unconditional cache size: 4058, Negative cache size: 53, Negative conditional cache size: 36, Negative unconditional cache size: 17, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 115, Maximal queried relation: 10, Independence queries for same thread: 2584 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.0s, Number of persistent set computation: 41, Number of trivial persistent sets: 41, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 19]: 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: workerThread1of1ForFork0 with 1 thread instances CFG has 3 procedures, 190 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 46.3s, OverallIterations: 12, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 8.2s, 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: 225, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 36.1s InterpolantComputationTime, 1877 NumberOfCodeBlocks, 1827 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 2470 ConstructedInterpolants, 113 QuantifiedInterpolants, 18710 SizeOfPredicates, 99 NumberOfNonLiveVariables, 1330 ConjunctsInSsa, 203 ConjunctsInUnsatCore, 22 InterpolantComputations, 8 PerfectInterpolantSequences, 422/615 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 - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 3 procedures, 190 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, 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: 0, 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: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-05-20 04:18:34,910 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (8)] Ended with exit code 0 [2023-05-20 04:18:35,125 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 [2023-05-20 04:18:35,359 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...