/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_THREAD_INSTANCE --traceabstraction.maximal.amount.of.steps.the.threads.are.allowed.to.take.successively 1 --traceabstraction.enable.heuristic.with.loops.as.step.type false --traceabstraction.considered.threads.and.their.maximal.amount.of.steps X --traceabstraction.defines.what.statements.are.considered.a.step.in.por LOOP -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/mult-flipped-dist.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-218013a [2023-05-04 20:46:15,956 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-05-04 20:46:15,958 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-05-04 20:46:15,981 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-05-04 20:46:15,982 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-05-04 20:46:15,983 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-05-04 20:46:15,984 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-05-04 20:46:15,985 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-05-04 20:46:15,986 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-05-04 20:46:15,987 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-05-04 20:46:15,988 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-05-04 20:46:15,989 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-05-04 20:46:15,989 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-05-04 20:46:15,990 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-05-04 20:46:15,991 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-05-04 20:46:15,992 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-05-04 20:46:15,992 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-05-04 20:46:15,993 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-05-04 20:46:15,995 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-05-04 20:46:15,996 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-05-04 20:46:15,998 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-05-04 20:46:15,999 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-05-04 20:46:16,000 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-05-04 20:46:16,001 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-05-04 20:46:16,004 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-05-04 20:46:16,004 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-05-04 20:46:16,005 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-05-04 20:46:16,006 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-05-04 20:46:16,006 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-05-04 20:46:16,007 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-05-04 20:46:16,007 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-05-04 20:46:16,008 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-05-04 20:46:16,008 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-05-04 20:46:16,009 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-05-04 20:46:16,010 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-05-04 20:46:16,010 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-05-04 20:46:16,011 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-05-04 20:46:16,011 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-05-04 20:46:16,011 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-04 20:46:16,012 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-04 20:46:16,012 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-04 20:46:16,013 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-04 20:46:16,031 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-04 20:46:16,031 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-04 20:46:16,032 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-04 20:46:16,032 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-04 20:46:16,033 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-04 20:46:16,033 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-04 20:46:16,033 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-04 20:46:16,033 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-04 20:46:16,034 INFO L138 SettingsManager]: * Use SBE=true [2023-05-04 20:46:16,034 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-04 20:46:16,034 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-04 20:46:16,034 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-04 20:46:16,034 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-04 20:46:16,034 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-04 20:46:16,035 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-04 20:46:16,035 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-04 20:46:16,035 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-04 20:46:16,035 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-04 20:46:16,035 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-04 20:46:16,035 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-04 20:46:16,036 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-04 20:46:16,036 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-04 20:46:16,036 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-04 20:46:16,036 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-04 20:46:16,036 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-04 20:46:16,036 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 20:46:16,037 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-04 20:46:16,037 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-04 20:46:16,037 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-04 20:46:16,037 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-04 20:46:16,037 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-04 20:46:16,037 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-04 20:46:16,037 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-04 20:46:16,038 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-04 20:46:16,038 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-04 20:46:16,038 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-04 20:46:16,038 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> X Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> LOOP [2023-05-04 20:46:16,280 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-04 20:46:16,310 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-04 20:46:16,312 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-04 20:46:16,313 INFO L271 PluginConnector]: Initializing CDTParser... [2023-05-04 20:46:16,314 INFO L275 PluginConnector]: CDTParser initialized [2023-05-04 20:46:16,315 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/mult-flipped-dist.wvr.c [2023-05-04 20:46:16,373 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b85ca49b4/f5f76ef7429f4b3d909047de597463b6/FLAG9d653553c [2023-05-04 20:46:16,775 INFO L306 CDTParser]: Found 1 translation units. [2023-05-04 20:46:16,776 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/mult-flipped-dist.wvr.c [2023-05-04 20:46:16,781 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b85ca49b4/f5f76ef7429f4b3d909047de597463b6/FLAG9d653553c [2023-05-04 20:46:17,195 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b85ca49b4/f5f76ef7429f4b3d909047de597463b6 [2023-05-04 20:46:17,197 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-04 20:46:17,199 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-04 20:46:17,201 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-05-04 20:46:17,201 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-05-04 20:46:17,203 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-05-04 20:46:17,205 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 08:46:17" (1/1) ... [2023-05-04 20:46:17,206 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e07d943 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 08:46:17, skipping insertion in model container [2023-05-04 20:46:17,207 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 08:46:17" (1/1) ... [2023-05-04 20:46:17,212 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-05-04 20:46:17,230 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-05-04 20:46:17,425 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/mult-flipped-dist.wvr.c[2135,2148] [2023-05-04 20:46:17,428 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 20:46:17,441 INFO L203 MainTranslator]: Completed pre-run [2023-05-04 20:46:17,458 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/mult-flipped-dist.wvr.c[2135,2148] [2023-05-04 20:46:17,459 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 20:46:17,474 INFO L208 MainTranslator]: Completed translation [2023-05-04 20:46:17,474 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 08:46:17 WrapperNode [2023-05-04 20:46:17,475 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-05-04 20:46:17,475 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-04 20:46:17,476 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-04 20:46:17,476 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-04 20:46:17,483 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 08:46:17" (1/1) ... [2023-05-04 20:46:17,494 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 08:46:17" (1/1) ... [2023-05-04 20:46:17,510 INFO L138 Inliner]: procedures = 22, calls = 25, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 70 [2023-05-04 20:46:17,511 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-04 20:46:17,512 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-04 20:46:17,512 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-04 20:46:17,512 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-04 20:46:17,520 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 08:46:17" (1/1) ... [2023-05-04 20:46:17,521 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 08:46:17" (1/1) ... [2023-05-04 20:46:17,523 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 08:46:17" (1/1) ... [2023-05-04 20:46:17,523 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 08:46:17" (1/1) ... [2023-05-04 20:46:17,528 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 08:46:17" (1/1) ... [2023-05-04 20:46:17,531 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 08:46:17" (1/1) ... [2023-05-04 20:46:17,539 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 08:46:17" (1/1) ... [2023-05-04 20:46:17,540 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 08:46:17" (1/1) ... [2023-05-04 20:46:17,550 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-04 20:46:17,551 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-04 20:46:17,551 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-04 20:46:17,551 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-04 20:46:17,555 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 08:46:17" (1/1) ... [2023-05-04 20:46:17,560 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 20:46:17,571 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 20:46:17,586 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-05-04 20:46:17,609 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-05-04 20:46:17,625 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-05-04 20:46:17,625 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-04 20:46:17,625 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-04 20:46:17,625 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-04 20:46:17,626 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-04 20:46:17,626 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-05-04 20:46:17,626 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-05-04 20:46:17,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-05-04 20:46:17,626 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-05-04 20:46:17,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-05-04 20:46:17,626 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-04 20:46:17,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-04 20:46:17,627 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-05-04 20:46:17,627 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-05-04 20:46:17,628 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2023-05-04 20:46:17,727 INFO L235 CfgBuilder]: Building ICFG [2023-05-04 20:46:17,729 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-04 20:46:17,902 INFO L276 CfgBuilder]: Performing block encoding [2023-05-04 20:46:17,909 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-04 20:46:17,910 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2023-05-04 20:46:17,912 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 08:46:17 BoogieIcfgContainer [2023-05-04 20:46:17,912 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-04 20:46:17,914 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-04 20:46:17,914 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-04 20:46:17,917 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-04 20:46:17,918 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.05 08:46:17" (1/3) ... [2023-05-04 20:46:17,918 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fbef1c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 08:46:17, skipping insertion in model container [2023-05-04 20:46:17,919 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 08:46:17" (2/3) ... [2023-05-04 20:46:17,919 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fbef1c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 08:46:17, skipping insertion in model container [2023-05-04 20:46:17,919 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 08:46:17" (3/3) ... [2023-05-04 20:46:17,920 INFO L112 eAbstractionObserver]: Analyzing ICFG mult-flipped-dist.wvr.c [2023-05-04 20:46:17,928 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-04 20:46:17,937 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-04 20:46:17,937 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-04 20:46:17,937 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-04 20:46:18,066 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-05-04 20:46:18,129 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 20:46:18,129 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-04 20:46:18,130 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 20:46:18,134 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-05-04 20:46:18,148 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-05-04 20:46:18,176 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-04 20:46:18,191 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-04 20:46:18,198 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;@3912451d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 20:46:18,198 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-05-04 20:46:18,431 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-04 20:46:18,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 20:46:18,439 INFO L85 PathProgramCache]: Analyzing trace with hash -1281813738, now seen corresponding path program 1 times [2023-05-04 20:46:18,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 20:46:18,447 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677782387] [2023-05-04 20:46:18,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 20:46:18,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 20:46:18,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 20:46:18,751 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-04 20:46:18,751 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 20:46:18,752 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677782387] [2023-05-04 20:46:18,757 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [677782387] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 20:46:18,758 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 20:46:18,758 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-05-04 20:46:18,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554345861] [2023-05-04 20:46:18,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 20:46:18,763 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-05-04 20:46:18,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 20:46:18,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-05-04 20:46:18,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-05-04 20:46:18,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 20:46:18,790 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 20:46:18,791 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 41.5) internal successors, (83), 2 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 20:46:18,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 20:46:18,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 20:46:18,856 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-04 20:46:18,856 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-04 20:46:18,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 20:46:18,857 INFO L85 PathProgramCache]: Analyzing trace with hash -588712041, now seen corresponding path program 1 times [2023-05-04 20:46:18,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 20:46:18,857 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2098091561] [2023-05-04 20:46:18,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 20:46:18,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 20:46:18,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 20:46:19,325 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-04 20:46:19,325 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 20:46:19,325 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2098091561] [2023-05-04 20:46:19,326 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2098091561] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 20:46:19,326 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 20:46:19,326 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-05-04 20:46:19,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161924549] [2023-05-04 20:46:19,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 20:46:19,329 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-05-04 20:46:19,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 20:46:19,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-05-04 20:46:19,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-05-04 20:46:19,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 20:46:19,333 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 20:46:19,334 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 20:46:19,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 20:46:19,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 20:46:19,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 20:46:19,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-04 20:46:19,488 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-05-04 20:46:19,489 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-04 20:46:19,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 20:46:19,489 INFO L85 PathProgramCache]: Analyzing trace with hash 2092896114, now seen corresponding path program 1 times [2023-05-04 20:46:19,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 20:46:19,490 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [918272445] [2023-05-04 20:46:19,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 20:46:19,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 20:46:19,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 20:46:19,751 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-04 20:46:19,751 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 20:46:19,752 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [918272445] [2023-05-04 20:46:19,752 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [918272445] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 20:46:19,752 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 20:46:19,752 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-05-04 20:46:19,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1557277285] [2023-05-04 20:46:19,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 20:46:19,754 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-05-04 20:46:19,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 20:46:19,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-05-04 20:46:19,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-05-04 20:46:19,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 20:46:19,758 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 20:46:19,758 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 6 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 20:46:19,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 20:46:19,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-04 20:46:19,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 20:46:19,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 20:46:19,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-04 20:46:19,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-04 20:46:19,872 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-05-04 20:46:19,872 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-04 20:46:19,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 20:46:19,873 INFO L85 PathProgramCache]: Analyzing trace with hash 1140886350, now seen corresponding path program 1 times [2023-05-04 20:46:19,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 20:46:19,873 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365571412] [2023-05-04 20:46:19,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 20:46:19,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 20:46:19,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 20:46:20,215 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 8 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-04 20:46:20,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 20:46:20,215 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [365571412] [2023-05-04 20:46:20,216 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [365571412] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 20:46:20,216 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1988252670] [2023-05-04 20:46:20,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 20:46:20,216 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 20:46:20,216 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 20:46:20,221 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 20:46:20,222 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-05-04 20:46:20,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 20:46:20,370 INFO L263 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 14 conjunts are in the unsatisfiable core [2023-05-04 20:46:20,376 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 20:46:20,544 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 8 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-04 20:46:20,544 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 20:46:20,759 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 8 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-04 20:46:20,760 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1988252670] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 20:46:20,760 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 20:46:20,760 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 20 [2023-05-04 20:46:20,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406647201] [2023-05-04 20:46:20,760 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 20:46:20,761 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-05-04 20:46:20,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 20:46:20,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-05-04 20:46:20,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=313, Unknown=0, NotChecked=0, Total=380 [2023-05-04 20:46:20,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 20:46:20,762 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 20:46:20,763 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 7.0) internal successors, (140), 20 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 20:46:20,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 20:46:20,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-04 20:46:20,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-04 20:46:20,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 20:46:21,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 20:46:21,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-04 20:46:21,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-04 20:46:21,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-05-04 20:46:22,004 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-05-04 20:46:22,179 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,SelfDestructingSolverStorable3 [2023-05-04 20:46:22,179 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-04 20:46:22,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 20:46:22,180 INFO L85 PathProgramCache]: Analyzing trace with hash -1439914671, now seen corresponding path program 2 times [2023-05-04 20:46:22,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 20:46:22,180 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444340644] [2023-05-04 20:46:22,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 20:46:22,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 20:46:22,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 20:46:22,473 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 14 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-04 20:46:22,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 20:46:22,474 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [444340644] [2023-05-04 20:46:22,474 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [444340644] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 20:46:22,474 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1478510205] [2023-05-04 20:46:22,474 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-04 20:46:22,474 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 20:46:22,474 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 20:46:22,477 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 20:46:22,501 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-05-04 20:46:22,559 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-04 20:46:22,560 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 20:46:22,562 INFO L263 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 22 conjunts are in the unsatisfiable core [2023-05-04 20:46:22,565 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 20:46:22,826 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 11 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 20:46:22,826 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 20:46:23,189 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 11 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 20:46:23,189 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1478510205] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 20:46:23,189 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 20:46:23,189 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 13, 13] total 31 [2023-05-04 20:46:23,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872087229] [2023-05-04 20:46:23,190 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 20:46:23,190 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2023-05-04 20:46:23,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 20:46:23,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2023-05-04 20:46:23,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=828, Unknown=0, NotChecked=0, Total=930 [2023-05-04 20:46:23,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 20:46:23,192 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 20:46:23,192 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 5.741935483870968) internal successors, (178), 31 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 20:46:23,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 20:46:23,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-04 20:46:23,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-04 20:46:23,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-05-04 20:46:23,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 20:46:26,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 20:46:26,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-04 20:46:26,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-04 20:46:26,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-05-04 20:46:26,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2023-05-04 20:46:26,703 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-05-04 20:46:26,877 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 20:46:26,878 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-04 20:46:26,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 20:46:26,878 INFO L85 PathProgramCache]: Analyzing trace with hash 1120303324, now seen corresponding path program 3 times [2023-05-04 20:46:26,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 20:46:26,879 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941048981] [2023-05-04 20:46:26,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 20:46:26,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 20:46:26,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 20:46:27,311 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 81 proven. 37 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-05-04 20:46:27,312 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 20:46:27,312 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941048981] [2023-05-04 20:46:27,312 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [941048981] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 20:46:27,312 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1770251616] [2023-05-04 20:46:27,312 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-04 20:46:27,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 20:46:27,313 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 20:46:27,314 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 20:46:27,335 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-05-04 20:46:27,658 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2023-05-04 20:46:27,659 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 20:46:27,664 INFO L263 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 22 conjunts are in the unsatisfiable core [2023-05-04 20:46:27,667 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 20:46:27,980 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 81 proven. 37 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-05-04 20:46:27,980 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 20:46:28,410 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 81 proven. 37 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-05-04 20:46:28,410 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1770251616] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 20:46:28,410 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 20:46:28,410 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 13, 13] total 35 [2023-05-04 20:46:28,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642201429] [2023-05-04 20:46:28,411 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 20:46:28,411 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2023-05-04 20:46:28,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 20:46:28,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2023-05-04 20:46:28,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=1073, Unknown=0, NotChecked=0, Total=1190 [2023-05-04 20:46:28,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 20:46:28,413 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 20:46:28,413 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 5.857142857142857) internal successors, (205), 35 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 20:46:28,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 20:46:28,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-04 20:46:28,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-04 20:46:28,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-05-04 20:46:28,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2023-05-04 20:46:28,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 20:46:36,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 20:46:36,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-04 20:46:36,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-04 20:46:36,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-05-04 20:46:36,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2023-05-04 20:46:36,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2023-05-04 20:46:36,741 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-05-04 20:46:36,934 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 20:46:36,934 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-04 20:46:36,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 20:46:36,935 INFO L85 PathProgramCache]: Analyzing trace with hash -1663446445, now seen corresponding path program 4 times [2023-05-04 20:46:36,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 20:46:36,935 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730842229] [2023-05-04 20:46:36,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 20:46:36,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 20:46:37,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 20:46:37,584 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 81 proven. 70 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2023-05-04 20:46:37,585 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 20:46:37,585 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [730842229] [2023-05-04 20:46:37,585 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [730842229] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 20:46:37,585 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2024243521] [2023-05-04 20:46:37,585 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-04 20:46:37,585 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 20:46:37,585 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 20:46:37,589 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 20:46:37,607 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-05-04 20:46:37,690 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-04 20:46:37,690 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 20:46:37,692 INFO L263 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 46 conjunts are in the unsatisfiable core [2023-05-04 20:46:37,703 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 20:46:38,354 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 58 proven. 185 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-05-04 20:46:38,354 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 20:46:39,550 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 58 proven. 185 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-05-04 20:46:39,551 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2024243521] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 20:46:39,551 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 20:46:39,551 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 25, 25] total 58 [2023-05-04 20:46:39,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212384212] [2023-05-04 20:46:39,552 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 20:46:39,552 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 58 states [2023-05-04 20:46:39,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 20:46:39,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2023-05-04 20:46:39,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=273, Invalid=3033, Unknown=0, NotChecked=0, Total=3306 [2023-05-04 20:46:39,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 20:46:39,554 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 20:46:39,554 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 58 states, 58 states have (on average 5.051724137931035) internal successors, (293), 58 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 20:46:39,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 20:46:39,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-04 20:46:39,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-04 20:46:39,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-05-04 20:46:39,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2023-05-04 20:46:39,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2023-05-04 20:46:39,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 20:46:53,915 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 20:47:39,860 WARN L233 SmtUtils]: Spent 7.75s on a formula simplification. DAG size of input: 72 DAG size of output: 69 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 20:47:49,370 WARN L233 SmtUtils]: Spent 7.23s on a formula simplification. DAG size of input: 62 DAG size of output: 54 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 20:47:51,058 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 20:48:21,655 WARN L233 SmtUtils]: Spent 5.15s on a formula simplification. DAG size of input: 59 DAG size of output: 42 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 20:48:24,458 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 20:48:30,817 WARN L233 SmtUtils]: Spent 5.69s on a formula simplification. DAG size of input: 66 DAG size of output: 45 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 20:48:35,939 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 20:50:00,537 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 20:51:21,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 20:51:21,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-04 20:51:21,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-04 20:51:21,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-05-04 20:51:21,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2023-05-04 20:51:21,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2023-05-04 20:51:21,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 266 states. [2023-05-04 20:51:21,940 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-05-04 20:51:22,137 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 20:51:22,137 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-04 20:51:22,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 20:51:22,138 INFO L85 PathProgramCache]: Analyzing trace with hash 1442319133, now seen corresponding path program 5 times [2023-05-04 20:51:22,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 20:51:22,138 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374649022] [2023-05-04 20:51:22,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 20:51:22,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 20:51:22,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 20:51:25,635 INFO L134 CoverageAnalysis]: Checked inductivity of 914 backedges. 56 proven. 858 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 20:51:25,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 20:51:25,636 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1374649022] [2023-05-04 20:51:25,636 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1374649022] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 20:51:25,636 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [699179516] [2023-05-04 20:51:25,636 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-05-04 20:51:25,636 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 20:51:25,636 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 20:51:25,641 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 20:51:25,645 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process Received shutdown request... [2023-05-04 21:00:47,118 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-04 21:00:47,118 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-04 21:00:47,118 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-04 21:00:48,152 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 [2023-05-04 21:00:48,156 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2023-05-04 21:00:48,319 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forcibly destroying the process [2023-05-04 21:00:48,327 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 137 [2023-05-04 21:00:48,329 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-05-04 21:00:48,329 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-05-04 21:00:48,329 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [50] total 50 [2023-05-04 21:00:48,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058065045] [2023-05-04 21:00:48,329 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-05-04 21:00:48,330 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2023-05-04 21:00:48,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 21:00:48,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2023-05-04 21:00:48,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=2350, Unknown=0, NotChecked=0, Total=2450 [2023-05-04 21:00:48,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 21:00:48,331 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 21:00:48,332 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 50 states have (on average 4.86) internal successors, (243), 50 states have internal predecessors, (243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 21:00:48,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 21:00:48,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-04 21:00:48,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-04 21:00:48,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-05-04 21:00:48,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2023-05-04 21:00:48,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2023-05-04 21:00:48,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 266 states. [2023-05-04 21:00:48,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 21:00:48,333 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-05-04 21:00:48,333 WARN L619 AbstractCegarLoop]: Verification canceled: while executing DepthFirstTraversal. [2023-05-04 21:00:48,335 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2023-05-04 21:00:48,335 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2023-05-04 21:00:48,335 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2023-05-04 21:00:48,336 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2023-05-04 21:00:48,339 INFO L444 BasicCegarLoop]: Path program histogram: [5, 1, 1, 1] [2023-05-04 21:00:48,342 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-04 21:00:48,342 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-04 21:00:48,344 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.05 09:00:48 BasicIcfg [2023-05-04 21:00:48,345 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-04 21:00:48,345 INFO L158 Benchmark]: Toolchain (without parser) took 871146.07ms. Allocated memory was 191.9MB in the beginning and 298.8MB in the end (delta: 107.0MB). Free memory was 137.3MB in the beginning and 165.0MB in the end (delta: -27.7MB). Peak memory consumption was 78.8MB. Max. memory is 8.0GB. [2023-05-04 21:00:48,345 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 191.9MB. Free memory is still 153.7MB. There was no memory consumed. Max. memory is 8.0GB. [2023-05-04 21:00:48,346 INFO L158 Benchmark]: CACSL2BoogieTranslator took 274.28ms. Allocated memory was 191.9MB in the beginning and 248.5MB in the end (delta: 56.6MB). Free memory was 137.1MB in the beginning and 222.8MB in the end (delta: -85.6MB). Peak memory consumption was 12.2MB. Max. memory is 8.0GB. [2023-05-04 21:00:48,346 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.60ms. Allocated memory is still 248.5MB. Free memory was 222.8MB in the beginning and 221.2MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-05-04 21:00:48,346 INFO L158 Benchmark]: Boogie Preprocessor took 38.54ms. Allocated memory is still 248.5MB. Free memory was 221.1MB in the beginning and 219.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-04 21:00:48,346 INFO L158 Benchmark]: RCFGBuilder took 360.99ms. Allocated memory is still 248.5MB. Free memory was 219.6MB in the beginning and 205.5MB in the end (delta: 14.1MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2023-05-04 21:00:48,347 INFO L158 Benchmark]: TraceAbstraction took 870430.67ms. Allocated memory was 248.5MB in the beginning and 298.8MB in the end (delta: 50.3MB). Free memory was 204.5MB in the beginning and 165.0MB in the end (delta: 39.5MB). Peak memory consumption was 90.7MB. Max. memory is 8.0GB. [2023-05-04 21:00:48,348 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 191.9MB. Free memory is still 153.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 274.28ms. Allocated memory was 191.9MB in the beginning and 248.5MB in the end (delta: 56.6MB). Free memory was 137.1MB in the beginning and 222.8MB in the end (delta: -85.6MB). Peak memory consumption was 12.2MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 35.60ms. Allocated memory is still 248.5MB. Free memory was 222.8MB in the beginning and 221.2MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 38.54ms. Allocated memory is still 248.5MB. Free memory was 221.1MB in the beginning and 219.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 360.99ms. Allocated memory is still 248.5MB. Free memory was 219.6MB in the beginning and 205.5MB in the end (delta: 14.1MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * TraceAbstraction took 870430.67ms. Allocated memory was 248.5MB in the beginning and 298.8MB in the end (delta: 50.3MB). Free memory was 204.5MB in the beginning and 165.0MB in the end (delta: 39.5MB). Peak memory consumption was 90.7MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 10675, independent: 9502, independent conditional: 7703, independent unconditional: 1799, dependent: 1173, dependent conditional: 1164, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9511, independent: 9502, independent conditional: 7703, independent unconditional: 1799, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 9511, independent: 9502, independent conditional: 7703, independent unconditional: 1799, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9511, independent: 9502, independent conditional: 0, independent unconditional: 9502, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 9511, independent: 9502, independent conditional: 0, independent unconditional: 9502, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 9511, independent: 9502, independent conditional: 0, independent unconditional: 9502, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1692, independent: 1683, independent conditional: 0, independent unconditional: 1683, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1692, independent: 1681, independent conditional: 0, independent unconditional: 1681, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 11, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 11, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 88, independent: 51, independent conditional: 0, independent unconditional: 51, dependent: 37, dependent conditional: 0, dependent unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 9511, independent: 7819, independent conditional: 0, independent unconditional: 7819, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 1692, unknown conditional: 0, unknown unconditional: 1692] , Statistics on independence cache: Total cache size (in pairs): 1692, Positive cache size: 1683, Positive conditional cache size: 0, Positive unconditional cache size: 1683, Negative cache size: 9, Negative conditional cache size: 0, Negative unconditional cache size: 9, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 1164 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.2s, Number of persistent set computation: 179, Number of trivial persistent sets: 113, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1808, independent: 1799, independent conditional: 0, independent unconditional: 1799, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 10675, independent: 9502, independent conditional: 7703, independent unconditional: 1799, dependent: 1173, dependent conditional: 1164, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9511, independent: 9502, independent conditional: 7703, independent unconditional: 1799, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 9511, independent: 9502, independent conditional: 7703, independent unconditional: 1799, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9511, independent: 9502, independent conditional: 0, independent unconditional: 9502, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 9511, independent: 9502, independent conditional: 0, independent unconditional: 9502, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 9511, independent: 9502, independent conditional: 0, independent unconditional: 9502, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1692, independent: 1683, independent conditional: 0, independent unconditional: 1683, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1692, independent: 1681, independent conditional: 0, independent unconditional: 1681, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 11, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 11, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 88, independent: 51, independent conditional: 0, independent unconditional: 51, dependent: 37, dependent conditional: 0, dependent unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 9511, independent: 7819, independent conditional: 0, independent unconditional: 7819, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 1692, unknown conditional: 0, unknown unconditional: 1692] , Statistics on independence cache: Total cache size (in pairs): 1692, Positive cache size: 1683, Positive conditional cache size: 0, Positive unconditional cache size: 1683, Negative cache size: 9, Negative conditional cache size: 0, Negative unconditional cache size: 9, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 1164 - TimeoutResultAtElement [Line: 81]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 74]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 73]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 75]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing DepthFirstTraversal. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 131 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 870.2s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 5, EmptinessCheckTime: 295.9s, 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: 476, 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, 0.9s SatisfiabilityAnalysisTime, 9.2s InterpolantComputationTime, 1501 NumberOfCodeBlocks, 1501 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 1987 ConstructedInterpolants, 0 QuantifiedInterpolants, 10967 SizeOfPredicates, 56 NumberOfNonLiveVariables, 1100 ConjunctsInSsa, 104 ConjunctsInUnsatCore, 16 InterpolantComputations, 3 PerfectInterpolantSequences, 754/2222 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 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown