/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_THREAD_INSTANCE --traceabstraction.maximal.amount.of.steps.the.threads.are.allowed.to.take.successively 1 --traceabstraction.enable.heuristic.with.loops.as.step.type false --traceabstraction.considered.threads.and.their.maximal.amount.of.steps '"3,2 1,1 2,2"' --traceabstraction.defines.what.statements.are.considered.a.step.in.por LOOP -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread/triangular-longest-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-218013a [2023-05-04 10:45:28,248 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-05-04 10:45:28,249 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-05-04 10:45:28,279 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2023-05-04 10:45:28,293 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-05-04 10:45:28,295 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-05-04 10:45:28,296 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-05-04 10:45:28,297 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-05-04 10:45:28,297 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-05-04 10:45:28,298 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-05-04 10:45:28,299 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-05-04 10:45:28,304 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-05-04 10:45:28,305 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-05-04 10:45:28,306 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-05-04 10:45:28,307 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-05-04 10:45:28,308 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-05-04 10:45:28,312 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2023-05-04 10:45:28,318 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-04 10:45:28,319 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-04 10:45:28,319 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-04 10:45:28,320 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-04 10:45:28,341 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-04 10:45:28,341 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-04 10:45:28,341 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-04 10:45:28,341 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-04 10:45:28,342 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-04 10:45:28,342 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-04 10:45:28,342 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-04 10:45:28,342 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-04 10:45:28,342 INFO L138 SettingsManager]: * Use SBE=true [2023-05-04 10:45:28,343 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-04 10:45:28,343 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-04 10:45:28,343 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-04 10:45:28,343 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-04 10:45:28,343 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-04 10:45:28,344 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-04 10:45:28,344 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-04 10:45:28,344 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-04 10:45:28,344 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-04 10:45:28,344 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-04 10:45:28,344 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-04 10:45:28,344 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-04 10:45:28,344 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-04 10:45:28,344 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-04 10:45:28,344 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-04 10:45:28,344 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-04 10:45:28,344 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 10:45:28,345 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-04 10:45:28,345 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-04 10:45:28,346 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-04 10:45:28,346 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-04 10:45:28,346 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-04 10:45:28,346 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-04 10:45:28,346 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-04 10:45:28,346 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-04 10:45:28,346 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-04 10:45:28,346 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-04 10:45:28,346 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> 3,2 1,1 2,2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> LOOP [2023-05-04 10:45:28,555 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-04 10:45:28,580 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-04 10:45:28,582 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-04 10:45:28,583 INFO L271 PluginConnector]: Initializing CDTParser... [2023-05-04 10:45:28,584 INFO L275 PluginConnector]: CDTParser initialized [2023-05-04 10:45:28,585 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/triangular-longest-2.i [2023-05-04 10:45:28,640 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b518ece5e/7cc9b276261f4ff0bd7a997f46edb7df/FLAGee1c3576d [2023-05-04 10:45:29,121 INFO L306 CDTParser]: Found 1 translation units. [2023-05-04 10:45:29,121 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/triangular-longest-2.i [2023-05-04 10:45:29,140 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b518ece5e/7cc9b276261f4ff0bd7a997f46edb7df/FLAGee1c3576d [2023-05-04 10:45:29,152 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b518ece5e/7cc9b276261f4ff0bd7a997f46edb7df [2023-05-04 10:45:29,154 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-04 10:45:29,155 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-04 10:45:29,157 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-05-04 10:45:29,157 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-05-04 10:45:29,159 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-05-04 10:45:29,160 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 10:45:29" (1/1) ... [2023-05-04 10:45:29,160 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5741c0f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 10:45:29, skipping insertion in model container [2023-05-04 10:45:29,161 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 10:45:29" (1/1) ... [2023-05-04 10:45:29,165 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-05-04 10:45:29,205 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-05-04 10:45:29,486 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/triangular-longest-2.i[30964,30977] [2023-05-04 10:45:29,488 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 10:45:29,493 INFO L203 MainTranslator]: Completed pre-run [2023-05-04 10:45:29,529 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/triangular-longest-2.i[30964,30977] [2023-05-04 10:45:29,529 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 10:45:29,553 INFO L208 MainTranslator]: Completed translation [2023-05-04 10:45:29,553 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 10:45:29 WrapperNode [2023-05-04 10:45:29,553 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-05-04 10:45:29,554 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-04 10:45:29,554 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-04 10:45:29,554 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-04 10:45:29,558 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 10:45:29" (1/1) ... [2023-05-04 10:45:29,582 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 10:45:29" (1/1) ... [2023-05-04 10:45:29,599 INFO L138 Inliner]: procedures = 169, calls = 24, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 47 [2023-05-04 10:45:29,599 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-04 10:45:29,599 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-04 10:45:29,600 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-04 10:45:29,600 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-04 10:45:29,605 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 10:45:29" (1/1) ... [2023-05-04 10:45:29,605 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 10:45:29" (1/1) ... [2023-05-04 10:45:29,607 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 10:45:29" (1/1) ... [2023-05-04 10:45:29,607 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 10:45:29" (1/1) ... [2023-05-04 10:45:29,609 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 10:45:29" (1/1) ... [2023-05-04 10:45:29,611 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 10:45:29" (1/1) ... [2023-05-04 10:45:29,612 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 10:45:29" (1/1) ... [2023-05-04 10:45:29,613 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 10:45:29" (1/1) ... [2023-05-04 10:45:29,619 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-04 10:45:29,620 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-04 10:45:29,624 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-04 10:45:29,624 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-04 10:45:29,625 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 10:45:29" (1/1) ... [2023-05-04 10:45:29,629 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 10:45:29,640 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 10:45:29,652 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 10:45:29,668 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 10:45:29,680 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-05-04 10:45:29,680 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-05-04 10:45:29,680 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-05-04 10:45:29,681 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-05-04 10:45:29,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-05-04 10:45:29,684 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-05-04 10:45:29,684 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-05-04 10:45:29,684 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-05-04 10:45:29,684 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-05-04 10:45:29,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-05-04 10:45:29,685 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-05-04 10:45:29,685 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-04 10:45:29,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-04 10:45:29,686 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 10:45:29,777 INFO L235 CfgBuilder]: Building ICFG [2023-05-04 10:45:29,778 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-04 10:45:29,907 INFO L276 CfgBuilder]: Performing block encoding [2023-05-04 10:45:29,911 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-04 10:45:29,911 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2023-05-04 10:45:29,912 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 10:45:29 BoogieIcfgContainer [2023-05-04 10:45:29,912 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-04 10:45:29,914 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-04 10:45:29,914 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-04 10:45:29,916 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-04 10:45:29,916 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.05 10:45:29" (1/3) ... [2023-05-04 10:45:29,916 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fa30463 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 10:45:29, skipping insertion in model container [2023-05-04 10:45:29,917 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 10:45:29" (2/3) ... [2023-05-04 10:45:29,917 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fa30463 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 10:45:29, skipping insertion in model container [2023-05-04 10:45:29,917 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 10:45:29" (3/3) ... [2023-05-04 10:45:29,917 INFO L112 eAbstractionObserver]: Analyzing ICFG triangular-longest-2.i [2023-05-04 10:45:29,922 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-04 10:45:29,930 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-04 10:45:29,930 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-04 10:45:29,930 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-04 10:45:29,969 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-05-04 10:45:29,994 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 10:45:29,995 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-04 10:45:29,995 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 10:45:29,996 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 10:45:30,001 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 10:45:30,049 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-04 10:45:30,060 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-04 10:45:30,064 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;@39d1a055, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 10:45:30,064 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-05-04 10:45:30,234 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 10:45:30,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 10:45:30,237 INFO L85 PathProgramCache]: Analyzing trace with hash -872164204, now seen corresponding path program 1 times [2023-05-04 10:45:30,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 10:45:30,248 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1615581559] [2023-05-04 10:45:30,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 10:45:30,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 10:45:30,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 10:45:30,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 10:45:30,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 10:45:30,727 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1615581559] [2023-05-04 10:45:30,727 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1615581559] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 10:45:30,727 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 10:45:30,727 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-05-04 10:45:30,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1223502210] [2023-05-04 10:45:30,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 10:45:30,732 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-05-04 10:45:30,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 10:45:30,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-05-04 10:45:30,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-05-04 10:45:30,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:45:30,750 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 10:45:30,751 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 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 10:45:30,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:45:30,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 10:45:30,878 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-04 10:45:30,878 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 10:45:30,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 10:45:30,878 INFO L85 PathProgramCache]: Analyzing trace with hash -1150318624, now seen corresponding path program 1 times [2023-05-04 10:45:30,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 10:45:30,879 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537642381] [2023-05-04 10:45:30,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 10:45:30,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 10:45:30,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 10:45:31,101 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-04 10:45:31,102 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 10:45:31,102 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537642381] [2023-05-04 10:45:31,102 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [537642381] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 10:45:31,102 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1223427872] [2023-05-04 10:45:31,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 10:45:31,103 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 10:45:31,103 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 10:45:31,104 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 10:45:31,106 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 10:45:31,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 10:45:31,177 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 9 conjunts are in the unsatisfiable core [2023-05-04 10:45:31,181 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 10:45:31,396 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-04 10:45:31,396 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 10:45:31,602 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-04 10:45:31,603 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1223427872] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 10:45:31,603 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 10:45:31,603 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 14 [2023-05-04 10:45:31,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546056236] [2023-05-04 10:45:31,604 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 10:45:31,604 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-05-04 10:45:31,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 10:45:31,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-05-04 10:45:31,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2023-05-04 10:45:31,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:45:31,605 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 10:45:31,606 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 8.142857142857142) internal successors, (114), 14 states have internal predecessors, (114), 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 10:45:31,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 10:45:31,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:45:31,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 10:45:31,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-04 10:45:31,841 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-05-04 10:45:32,033 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,SelfDestructingSolverStorable1 [2023-05-04 10:45:32,033 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 10:45:32,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 10:45:32,033 INFO L85 PathProgramCache]: Analyzing trace with hash 1130000788, now seen corresponding path program 2 times [2023-05-04 10:45:32,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 10:45:32,034 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1311777790] [2023-05-04 10:45:32,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 10:45:32,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 10:45:32,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 10:45:32,408 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 202 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-05-04 10:45:32,408 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 10:45:32,412 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1311777790] [2023-05-04 10:45:32,412 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1311777790] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 10:45:32,412 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1137912076] [2023-05-04 10:45:32,412 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-04 10:45:32,412 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 10:45:32,412 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 10:45:32,413 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 10:45:32,415 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 10:45:32,491 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-04 10:45:32,491 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 10:45:32,502 INFO L263 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 15 conjunts are in the unsatisfiable core [2023-05-04 10:45:32,504 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 10:45:32,741 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 202 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-05-04 10:45:32,741 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 10:45:33,092 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 202 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-05-04 10:45:33,096 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1137912076] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 10:45:33,096 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 10:45:33,096 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 26 [2023-05-04 10:45:33,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297860034] [2023-05-04 10:45:33,096 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 10:45:33,098 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2023-05-04 10:45:33,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 10:45:33,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2023-05-04 10:45:33,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=132, Invalid=518, Unknown=0, NotChecked=0, Total=650 [2023-05-04 10:45:33,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:45:33,100 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 10:45:33,100 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 7.615384615384615) internal successors, (198), 26 states have internal predecessors, (198), 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 10:45:33,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 10:45:33,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-04 10:45:33,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:45:33,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 10:45:33,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-04 10:45:33,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-05-04 10:45:33,568 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 10:45:33,761 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 10:45:33,761 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 10:45:33,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 10:45:33,762 INFO L85 PathProgramCache]: Analyzing trace with hash -1687188204, now seen corresponding path program 3 times [2023-05-04 10:45:33,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 10:45:33,762 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [826891001] [2023-05-04 10:45:33,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 10:45:33,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 10:45:33,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 10:45:34,781 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 1198 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 10:45:34,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 10:45:34,782 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [826891001] [2023-05-04 10:45:34,782 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [826891001] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 10:45:34,782 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1208758680] [2023-05-04 10:45:34,782 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-04 10:45:34,782 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 10:45:34,782 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 10:45:34,783 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 10:45:34,844 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 10:45:34,931 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 16 check-sat command(s) [2023-05-04 10:45:34,931 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 10:45:34,933 INFO L263 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 42 conjunts are in the unsatisfiable core [2023-05-04 10:45:34,941 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 10:45:35,103 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 1275 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 10:45:35,103 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-05-04 10:45:35,103 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1208758680] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 10:45:35,103 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-05-04 10:45:35,103 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [43] imperfect sequences [43] total 45 [2023-05-04 10:45:35,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293888632] [2023-05-04 10:45:35,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 10:45:35,104 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2023-05-04 10:45:35,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 10:45:35,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2023-05-04 10:45:35,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=489, Invalid=1491, Unknown=0, NotChecked=0, Total=1980 [2023-05-04 10:45:35,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:45:35,106 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 10:45:35,106 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 4.511627906976744) internal successors, (194), 43 states have internal predecessors, (194), 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 10:45:35,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 10:45:35,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-04 10:45:35,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-05-04 10:45:35,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:45:35,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 10:45:35,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-04 10:45:35,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-05-04 10:45:35,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2023-05-04 10:45:35,781 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-05-04 10:45:35,980 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 10:45:35,981 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 10:45:35,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 10:45:35,982 INFO L85 PathProgramCache]: Analyzing trace with hash -518554474, now seen corresponding path program 1 times [2023-05-04 10:45:35,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 10:45:35,982 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103924382] [2023-05-04 10:45:35,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 10:45:35,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 10:45:36,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 10:45:36,590 INFO L134 CoverageAnalysis]: Checked inductivity of 1195 backedges. 0 proven. 1177 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-05-04 10:45:36,591 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 10:45:36,591 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [103924382] [2023-05-04 10:45:36,591 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [103924382] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 10:45:36,591 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [70653621] [2023-05-04 10:45:36,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 10:45:36,591 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 10:45:36,591 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 10:45:36,592 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 10:45:36,618 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 10:45:36,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 10:45:36,676 INFO L263 TraceCheckSpWp]: Trace formula consists of 368 conjuncts, 27 conjunts are in the unsatisfiable core [2023-05-04 10:45:36,679 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 10:45:37,054 INFO L134 CoverageAnalysis]: Checked inductivity of 1195 backedges. 0 proven. 1177 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-05-04 10:45:37,055 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 10:45:37,964 INFO L134 CoverageAnalysis]: Checked inductivity of 1195 backedges. 0 proven. 1177 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-05-04 10:45:37,965 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [70653621] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 10:45:37,965 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 10:45:37,965 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 26, 26] total 50 [2023-05-04 10:45:37,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710579397] [2023-05-04 10:45:37,965 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 10:45:37,965 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2023-05-04 10:45:37,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 10:45:37,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2023-05-04 10:45:37,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=534, Invalid=1916, Unknown=0, NotChecked=0, Total=2450 [2023-05-04 10:45:37,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:45:37,967 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 10:45:37,967 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 50 states have (on average 7.28) internal successors, (364), 50 states have internal predecessors, (364), 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 10:45:37,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 10:45:37,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-04 10:45:37,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-05-04 10:45:37,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2023-05-04 10:45:37,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:45:40,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 10:45:40,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-04 10:45:40,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-05-04 10:45:40,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2023-05-04 10:45:40,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-05-04 10:45:40,367 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 10:45:40,545 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 10:45:40,545 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 10:45:40,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 10:45:40,545 INFO L85 PathProgramCache]: Analyzing trace with hash -1714498762, now seen corresponding path program 4 times [2023-05-04 10:45:40,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 10:45:40,546 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [315785504] [2023-05-04 10:45:40,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 10:45:40,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 10:45:40,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 10:45:40,717 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-05-04 10:45:40,718 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 10:45:40,718 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [315785504] [2023-05-04 10:45:40,718 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [315785504] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 10:45:40,718 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [76966543] [2023-05-04 10:45:40,718 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-04 10:45:40,718 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 10:45:40,718 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 10:45:40,730 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 10:45:40,761 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-05-04 10:45:40,801 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-04 10:45:40,801 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 10:45:40,802 INFO L263 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 12 conjunts are in the unsatisfiable core [2023-05-04 10:45:40,805 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 10:45:40,888 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-05-04 10:45:40,888 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 10:45:41,053 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-05-04 10:45:41,054 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [76966543] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 10:45:41,054 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 10:45:41,054 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 20 [2023-05-04 10:45:41,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087366467] [2023-05-04 10:45:41,055 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 10:45:41,055 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-05-04 10:45:41,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 10:45:41,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-05-04 10:45:41,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=294, Unknown=0, NotChecked=0, Total=380 [2023-05-04 10:45:41,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:45:41,056 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 10:45:41,056 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 10:45:41,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 10:45:41,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-04 10:45:41,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-05-04 10:45:41,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2023-05-04 10:45:41,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2023-05-04 10:45:41,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:45:42,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 10:45:42,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-04 10:45:42,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-05-04 10:45:42,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2023-05-04 10:45:42,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-05-04 10:45:42,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-05-04 10:45:42,284 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-05-04 10:45:42,439 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 10:45:42,440 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 10:45:42,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 10:45:42,440 INFO L85 PathProgramCache]: Analyzing trace with hash -1413189834, now seen corresponding path program 5 times [2023-05-04 10:45:42,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 10:45:42,440 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575941270] [2023-05-04 10:45:42,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 10:45:42,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 10:45:42,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 10:45:42,730 INFO L134 CoverageAnalysis]: Checked inductivity of 477 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-05-04 10:45:42,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 10:45:42,731 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1575941270] [2023-05-04 10:45:42,731 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1575941270] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 10:45:42,731 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1573486093] [2023-05-04 10:45:42,731 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-05-04 10:45:42,732 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 10:45:42,732 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 10:45:42,733 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 10:45:42,761 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-05-04 10:45:42,827 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) [2023-05-04 10:45:42,827 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 10:45:42,828 INFO L263 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 20 conjunts are in the unsatisfiable core [2023-05-04 10:45:42,830 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 10:45:42,957 INFO L134 CoverageAnalysis]: Checked inductivity of 477 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-05-04 10:45:42,957 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 10:45:43,264 INFO L134 CoverageAnalysis]: Checked inductivity of 477 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-05-04 10:45:43,264 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1573486093] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 10:45:43,264 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 10:45:43,264 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19, 19] total 36 [2023-05-04 10:45:43,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [111129315] [2023-05-04 10:45:43,265 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 10:45:43,265 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2023-05-04 10:45:43,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 10:45:43,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2023-05-04 10:45:43,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=286, Invalid=974, Unknown=0, NotChecked=0, Total=1260 [2023-05-04 10:45:43,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:45:43,266 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 10:45:43,266 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 7.0) internal successors, (252), 36 states have internal predecessors, (252), 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 10:45:43,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 10:45:43,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-04 10:45:43,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-05-04 10:45:43,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2023-05-04 10:45:43,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2023-05-04 10:45:43,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-05-04 10:45:43,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:45:45,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 10:45:45,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-04 10:45:45,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-05-04 10:45:45,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2023-05-04 10:45:45,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-05-04 10:45:45,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-05-04 10:45:45,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2023-05-04 10:45:45,267 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-05-04 10:45:45,467 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 10:45:45,467 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 10:45:45,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 10:45:45,468 INFO L85 PathProgramCache]: Analyzing trace with hash -1115186730, now seen corresponding path program 2 times [2023-05-04 10:45:45,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 10:45:45,468 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [635335164] [2023-05-04 10:45:45,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 10:45:45,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 10:45:45,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 10:45:46,226 INFO L134 CoverageAnalysis]: Checked inductivity of 1453 backedges. 0 proven. 1443 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-05-04 10:45:46,227 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 10:45:46,227 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [635335164] [2023-05-04 10:45:46,227 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [635335164] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 10:45:46,227 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2033552055] [2023-05-04 10:45:46,227 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-04 10:45:46,227 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 10:45:46,227 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 10:45:46,228 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 10:45:46,255 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-05-04 10:45:46,311 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-04 10:45:46,311 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 10:45:46,312 INFO L263 TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 37 conjunts are in the unsatisfiable core [2023-05-04 10:45:46,314 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 10:45:46,500 INFO L134 CoverageAnalysis]: Checked inductivity of 1453 backedges. 0 proven. 1443 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-05-04 10:45:46,500 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 10:45:47,125 INFO L134 CoverageAnalysis]: Checked inductivity of 1453 backedges. 0 proven. 1443 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-05-04 10:45:47,126 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2033552055] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 10:45:47,126 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 10:45:47,126 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 35, 35] total 49 [2023-05-04 10:45:47,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934144437] [2023-05-04 10:45:47,126 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 10:45:47,127 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2023-05-04 10:45:47,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 10:45:47,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2023-05-04 10:45:47,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=537, Invalid=1815, Unknown=0, NotChecked=0, Total=2352 [2023-05-04 10:45:47,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:45:47,129 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 10:45:47,129 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 49 states have (on average 7.081632653061225) internal successors, (347), 49 states have internal predecessors, (347), 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 10:45:47,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 10:45:47,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-04 10:45:47,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-05-04 10:45:47,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2023-05-04 10:45:47,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2023-05-04 10:45:47,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-05-04 10:45:47,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2023-05-04 10:45:47,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:45:54,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 10:45:54,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-05-04 10:45:54,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-05-04 10:45:54,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2023-05-04 10:45:54,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2023-05-04 10:45:54,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-05-04 10:45:54,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2023-05-04 10:45:54,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2023-05-04 10:45:54,351 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2023-05-04 10:45:54,535 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2023-05-04 10:45:54,536 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 10:45:54,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 10:45:54,536 INFO L85 PathProgramCache]: Analyzing trace with hash 2115439384, now seen corresponding path program 3 times [2023-05-04 10:45:54,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 10:45:54,536 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198994664] [2023-05-04 10:45:54,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 10:45:54,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 10:45:54,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-05-04 10:45:54,637 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-05-04 10:45:54,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-05-04 10:45:54,792 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-05-04 10:45:54,794 INFO L359 BasicCegarLoop]: Counterexample is feasible [2023-05-04 10:45:54,795 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2023-05-04 10:45:54,796 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2023-05-04 10:45:54,796 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2023-05-04 10:45:54,796 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-05-04 10:45:54,802 INFO L444 BasicCegarLoop]: Path program histogram: [5, 3, 1] [2023-05-04 10:45:54,806 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-04 10:45:54,806 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-04 10:45:54,929 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.05 10:45:54 BasicIcfg [2023-05-04 10:45:54,929 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-04 10:45:54,929 INFO L158 Benchmark]: Toolchain (without parser) took 25774.19ms. Allocated memory was 183.5MB in the beginning and 1.2GB in the end (delta: 990.9MB). Free memory was 123.6MB in the beginning and 677.2MB in the end (delta: -553.5MB). Peak memory consumption was 437.3MB. Max. memory is 8.0GB. [2023-05-04 10:45:54,930 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 183.5MB. Free memory is still 141.9MB. There was no memory consumed. Max. memory is 8.0GB. [2023-05-04 10:45:54,930 INFO L158 Benchmark]: CACSL2BoogieTranslator took 396.00ms. Allocated memory is still 183.5MB. Free memory was 123.4MB in the beginning and 141.7MB in the end (delta: -18.3MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2023-05-04 10:45:54,930 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.35ms. Allocated memory is still 183.5MB. Free memory was 141.7MB in the beginning and 140.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-04 10:45:54,930 INFO L158 Benchmark]: Boogie Preprocessor took 19.64ms. Allocated memory is still 183.5MB. Free memory was 140.0MB in the beginning and 138.6MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-05-04 10:45:54,930 INFO L158 Benchmark]: RCFGBuilder took 292.63ms. Allocated memory is still 183.5MB. Free memory was 138.5MB in the beginning and 125.6MB in the end (delta: 12.9MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2023-05-04 10:45:54,931 INFO L158 Benchmark]: TraceAbstraction took 25015.42ms. Allocated memory was 183.5MB in the beginning and 1.2GB in the end (delta: 990.9MB). Free memory was 124.2MB in the beginning and 677.2MB in the end (delta: -552.9MB). Peak memory consumption was 439.1MB. Max. memory is 8.0GB. [2023-05-04 10:45:54,931 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 183.5MB. Free memory is still 141.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 396.00ms. Allocated memory is still 183.5MB. Free memory was 123.4MB in the beginning and 141.7MB in the end (delta: -18.3MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 45.35ms. Allocated memory is still 183.5MB. Free memory was 141.7MB in the beginning and 140.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 19.64ms. Allocated memory is still 183.5MB. Free memory was 140.0MB in the beginning and 138.6MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 292.63ms. Allocated memory is still 183.5MB. Free memory was 138.5MB in the beginning and 125.6MB in the end (delta: 12.9MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * TraceAbstraction took 25015.42ms. Allocated memory was 183.5MB in the beginning and 1.2GB in the end (delta: 990.9MB). Free memory was 124.2MB in the beginning and 677.2MB in the end (delta: -552.9MB). Peak memory consumption was 439.1MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 711082, independent: 544763, independent conditional: 543773, independent unconditional: 990, dependent: 166319, dependent conditional: 166312, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 550076, independent: 544763, independent conditional: 543773, independent unconditional: 990, dependent: 5313, dependent conditional: 5306, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 550076, independent: 544763, independent conditional: 543773, independent unconditional: 990, dependent: 5313, dependent conditional: 5306, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 596940, independent: 544763, independent conditional: 23852, independent unconditional: 520911, dependent: 52177, dependent conditional: 23012, dependent unconditional: 29165, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 596940, independent: 544763, independent conditional: 23852, independent unconditional: 520911, dependent: 52177, dependent conditional: 17525, dependent unconditional: 34652, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 596940, independent: 544763, independent conditional: 23852, independent unconditional: 520911, dependent: 52177, dependent conditional: 17525, dependent unconditional: 34652, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1579, independent: 1098, independent conditional: 212, independent unconditional: 886, dependent: 481, dependent conditional: 474, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1579, independent: 885, independent conditional: 0, independent unconditional: 885, dependent: 694, dependent conditional: 0, dependent unconditional: 694, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 694, independent: 213, independent conditional: 212, independent unconditional: 1, dependent: 481, dependent conditional: 474, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 694, independent: 213, independent conditional: 212, independent unconditional: 1, dependent: 481, dependent conditional: 474, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 774, independent: 267, independent conditional: 220, independent unconditional: 47, dependent: 507, dependent conditional: 456, dependent unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 596940, independent: 543665, independent conditional: 23640, independent unconditional: 520025, dependent: 51696, dependent conditional: 17051, dependent unconditional: 34645, unknown: 1579, unknown conditional: 686, unknown unconditional: 893] , Statistics on independence cache: Total cache size (in pairs): 1579, Positive cache size: 1098, Positive conditional cache size: 212, Positive unconditional cache size: 886, Negative cache size: 481, Negative conditional cache size: 474, Negative unconditional cache size: 7, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 5487, Maximal queried relation: 8, Independence queries for same thread: 161006 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.2s, Number of persistent set computation: 241, Number of trivial persistent sets: 130, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 997, independent: 990, independent conditional: 0, independent unconditional: 990, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 711082, independent: 544763, independent conditional: 543773, independent unconditional: 990, dependent: 166319, dependent conditional: 166312, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 550076, independent: 544763, independent conditional: 543773, independent unconditional: 990, dependent: 5313, dependent conditional: 5306, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 550076, independent: 544763, independent conditional: 543773, independent unconditional: 990, dependent: 5313, dependent conditional: 5306, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 596940, independent: 544763, independent conditional: 23852, independent unconditional: 520911, dependent: 52177, dependent conditional: 23012, dependent unconditional: 29165, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 596940, independent: 544763, independent conditional: 23852, independent unconditional: 520911, dependent: 52177, dependent conditional: 17525, dependent unconditional: 34652, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 596940, independent: 544763, independent conditional: 23852, independent unconditional: 520911, dependent: 52177, dependent conditional: 17525, dependent unconditional: 34652, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1579, independent: 1098, independent conditional: 212, independent unconditional: 886, dependent: 481, dependent conditional: 474, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1579, independent: 885, independent conditional: 0, independent unconditional: 885, dependent: 694, dependent conditional: 0, dependent unconditional: 694, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 694, independent: 213, independent conditional: 212, independent unconditional: 1, dependent: 481, dependent conditional: 474, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 694, independent: 213, independent conditional: 212, independent unconditional: 1, dependent: 481, dependent conditional: 474, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 774, independent: 267, independent conditional: 220, independent unconditional: 47, dependent: 507, dependent conditional: 456, dependent unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 596940, independent: 543665, independent conditional: 23640, independent unconditional: 520025, dependent: 51696, dependent conditional: 17051, dependent unconditional: 34645, unknown: 1579, unknown conditional: 686, unknown unconditional: 893] , Statistics on independence cache: Total cache size (in pairs): 1579, Positive cache size: 1098, Positive conditional cache size: 212, Positive unconditional cache size: 886, Negative cache size: 481, Negative conditional cache size: 474, Negative unconditional cache size: 7, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 5487, Maximal queried relation: 8, Independence queries for same thread: 161006 - CounterExampleResult [Line: 722]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L694] 0 int i = 3, j = 6; VAL [i=3, j=6] [L712] 0 pthread_t id1, id2; VAL [\old(argc)=49, argc=49, argv={51:50}, argv={51:50}, i=3, id1={5:0}, id2={3:0}, j=6] [L713] FCALL, FORK 0 pthread_create(&id1, ((void *)0), t1, ((void *)0)) VAL [\old(argc)=49, arg={0:0}, argc=49, argv={51:50}, argv={51:50}, i=3, id1={5:0}, id2={3:0}, j=6, pthread_create(&id1, ((void *)0), t1, ((void *)0))=6] [L696] 1 int k = 0; VAL [arg={0:0}, arg={0:0}, i=3, j=6, k=0] [L714] FCALL, FORK 0 pthread_create(&id2, ((void *)0), t2, ((void *)0)) VAL [\old(argc)=49, arg={0:0}, arg={0:0}, arg={0:0}, argc=49, argv={51:50}, argv={51:50}, i=3, id1={5:0}, id2={3:0}, j=6, k=0, pthread_create(&id2, ((void *)0), t2, ((void *)0))=7] [L704] 2 int k = 0; VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=3, j=6, k=0, k=0] [L704] COND TRUE 2 k < 20 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=3, j=6, k=0, k=0] [L716] 0 int condI = i >= (2*20 +6); VAL [\old(argc)=49, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, argc=49, argv={51:50}, argv={51:50}, condI=0, i=3, id1={5:0}, id2={3:0}, j=6, k=0, k=0] [L696] COND TRUE 1 k < 20 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=3, j=6, k=0, k=0] [L698] 1 i = j + 1 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=7, j=6, k=0, k=0] [L706] 2 j = i + 1 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=7, j=8, k=0, k=0] [L704] 2 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=7, j=8, k=1, k=0] [L696] 1 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=7, j=8, k=1, k=1] [L704] COND TRUE 2 k < 20 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=7, j=8, k=1, k=1] [L696] COND TRUE 1 k < 20 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=7, j=8, k=1, k=1] [L698] 1 i = j + 1 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=9, j=8, k=1, k=1] [L706] 2 j = i + 1 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=9, j=10, k=1, k=1] [L704] 2 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=9, j=10, k=2, k=1] [L704] COND TRUE 2 k < 20 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=9, j=10, k=2, k=1] [L696] 1 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=9, j=10, k=2, k=2] [L696] COND TRUE 1 k < 20 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=9, j=10, k=2, k=2] [L698] 1 i = j + 1 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=11, j=10, k=2, k=2] [L706] 2 j = i + 1 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=11, j=12, k=2, k=2] [L704] 2 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=11, j=12, k=3, k=2] [L704] COND TRUE 2 k < 20 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=11, j=12, k=3, k=2] [L696] 1 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=11, j=12, k=3, k=3] [L696] COND TRUE 1 k < 20 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=11, j=12, k=3, k=3] [L698] 1 i = j + 1 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=13, j=12, k=3, k=3] [L706] 2 j = i + 1 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=13, j=14, k=3, k=3] [L704] 2 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=13, j=14, k=3, k=4] [L704] COND TRUE 2 k < 20 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=13, j=14, k=4, k=3] [L696] 1 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=13, j=14, k=4, k=4] [L696] COND TRUE 1 k < 20 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=13, j=14, k=4, k=4] [L698] 1 i = j + 1 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=15, j=14, k=4, k=4] [L706] 2 j = i + 1 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=15, j=16, k=4, k=4] [L704] 2 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=15, j=16, k=5, k=4] [L704] COND TRUE 2 k < 20 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=15, j=16, k=5, k=4] [L696] 1 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=15, j=16, k=5, k=5] [L696] COND TRUE 1 k < 20 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=15, j=16, k=5, k=5] [L698] 1 i = j + 1 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=17, j=16, k=5, k=5] [L706] 2 j = i + 1 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=17, j=18, k=5, k=5] [L704] 2 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=17, j=18, k=6, k=5] [L704] COND TRUE 2 k < 20 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=17, j=18, k=6, k=5] [L696] 1 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=17, j=18, k=6, k=6] [L696] COND TRUE 1 k < 20 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=17, j=18, k=6, k=6] [L698] 1 i = j + 1 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=19, j=18, k=6, k=6] [L706] 2 j = i + 1 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=19, j=20, k=6, k=6] [L704] 2 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=19, j=20, k=7, k=6] [L704] COND TRUE 2 k < 20 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=19, j=20, k=7, k=6] [L696] 1 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=19, j=20, k=7, k=7] [L696] COND TRUE 1 k < 20 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=19, j=20, k=7, k=7] [L698] 1 i = j + 1 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=21, j=20, k=7, k=7] [L706] 2 j = i + 1 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=21, j=22, k=7, k=7] [L704] 2 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=21, j=22, k=7, k=8] [L704] COND TRUE 2 k < 20 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=21, j=22, k=8, k=7] [L696] 1 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=21, j=22, k=8, k=8] [L696] COND TRUE 1 k < 20 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=21, j=22, k=8, k=8] [L698] 1 i = j + 1 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=23, j=22, k=8, k=8] [L706] 2 j = i + 1 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=23, j=24, k=8, k=8] [L704] 2 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=23, j=24, k=9, k=8] [L704] COND TRUE 2 k < 20 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=23, j=24, k=9, k=8] [L696] 1 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=23, j=24, k=9, k=9] [L696] COND TRUE 1 k < 20 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=23, j=24, k=9, k=9] [L698] 1 i = j + 1 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=25, j=24, k=9, k=9] [L706] 2 j = i + 1 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=25, j=26, k=9, k=9] [L704] 2 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=25, j=26, k=10, k=9] [L704] COND TRUE 2 k < 20 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=25, j=26, k=9, k=10] [L696] 1 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=25, j=26, k=10, k=10] [L696] COND TRUE 1 k < 20 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=25, j=26, k=10, k=10] [L698] 1 i = j + 1 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=27, j=26, k=10, k=10] [L706] 2 j = i + 1 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=27, j=28, k=10, k=10] [L704] 2 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=27, j=28, k=11, k=10] [L704] COND TRUE 2 k < 20 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=27, j=28, k=11, k=10] [L696] 1 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=27, j=28, k=11, k=11] [L696] COND TRUE 1 k < 20 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=27, j=28, k=11, k=11] [L698] 1 i = j + 1 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=29, j=28, k=11, k=11] [L706] 2 j = i + 1 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=29, j=30, k=11, k=11] [L704] 2 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=29, j=30, k=12, k=11] [L704] COND TRUE 2 k < 20 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=29, j=30, k=12, k=11] [L696] 1 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=29, j=30, k=12, k=12] [L696] COND TRUE 1 k < 20 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=29, j=30, k=12, k=12] [L698] 1 i = j + 1 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=31, j=30, k=12, k=12] [L706] 2 j = i + 1 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=31, j=32, k=12, k=12] [L704] 2 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=31, j=32, k=13, k=12] [L704] COND TRUE 2 k < 20 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=31, j=32, k=13, k=12] [L696] 1 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=31, j=32, k=13, k=13] [L696] COND TRUE 1 k < 20 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=31, j=32, k=13, k=13] [L698] 1 i = j + 1 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=33, j=32, k=13, k=13] [L706] 2 j = i + 1 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=33, j=34, k=13, k=13] [L704] 2 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=33, j=34, k=14, k=13] [L704] COND TRUE 2 k < 20 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=33, j=34, k=13, k=14] [L696] 1 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=33, j=34, k=14, k=14] [L696] COND TRUE 1 k < 20 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=33, j=34, k=14, k=14] [L698] 1 i = j + 1 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=35, j=34, k=14, k=14] [L706] 2 j = i + 1 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=35, j=36, k=14, k=14] [L704] 2 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=35, j=36, k=15, k=14] [L704] COND TRUE 2 k < 20 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=35, j=36, k=14, k=15] [L696] 1 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=35, j=36, k=15, k=15] [L696] COND TRUE 1 k < 20 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=35, j=36, k=15, k=15] [L698] 1 i = j + 1 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=37, j=36, k=15, k=15] [L706] 2 j = i + 1 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=37, j=38, k=15, k=15] [L704] 2 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=37, j=38, k=15, k=16] [L704] COND TRUE 2 k < 20 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=37, j=38, k=15, k=16] [L696] 1 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=37, j=38, k=16, k=16] [L696] COND TRUE 1 k < 20 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=37, j=38, k=16, k=16] [L698] 1 i = j + 1 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=39, j=38, k=16, k=16] [L706] 2 j = i + 1 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=39, j=40, k=16, k=16] [L704] 2 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=39, j=40, k=17, k=16] [L704] COND TRUE 2 k < 20 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=39, j=40, k=16, k=17] [L696] 1 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=39, j=40, k=17, k=17] [L696] COND TRUE 1 k < 20 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=39, j=40, k=17, k=17] [L698] 1 i = j + 1 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=41, j=40, k=17, k=17] [L706] 2 j = i + 1 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=41, j=42, k=17, k=17] [L704] 2 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=41, j=42, k=17, k=18] [L704] COND TRUE 2 k < 20 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=41, j=42, k=17, k=18] [L696] 1 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=41, j=42, k=18, k=18] [L696] COND TRUE 1 k < 20 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=41, j=42, k=18, k=18] [L698] 1 i = j + 1 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=43, j=42, k=18, k=18] [L706] 2 j = i + 1 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=43, j=44, k=18, k=18] [L704] 2 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=43, j=44, k=19, k=18] [L704] COND TRUE 2 k < 20 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=43, j=44, k=19, k=18] [L696] 1 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=43, j=44, k=19, k=19] [L696] COND TRUE 1 k < 20 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=43, j=44, k=19, k=19] [L698] 1 i = j + 1 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=45, j=44, k=19, k=19] [L706] 2 j = i + 1 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=45, j=46, k=19, k=19] [L704] 2 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=45, j=46, k=20, k=19] [L704] COND FALSE 2 !(k < 20) VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=45, j=46, k=20, k=19] [L719] 0 int condJ = j >= (2*20 +6); VAL [\old(argc)=49, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, argc=49, argv={51:50}, argv={51:50}, condI=0, condJ=1, i=45, id1={5:0}, id2={3:0}, j=46, k=20, k=19] [L721] COND TRUE 0 condI || condJ VAL [\old(argc)=49, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, argc=49, argv={51:50}, argv={51:50}, condI=0, condJ=1, i=45, id1={5:0}, id2={3:0}, j=46, k=20, k=19] [L722] 0 reach_error() VAL [\old(argc)=49, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, argc=49, argv={51:50}, argv={51:50}, condI=0, condJ=1, i=45, id1={5:0}, id2={3:0}, j=46, k=19, k=20] - UnprovableResult [Line: 713]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 714]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 88 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 24.8s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 5, EmptinessCheckTime: 14.3s, 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: 471, 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, 0.4s SatisfiabilityAnalysisTime, 7.6s InterpolantComputationTime, 2233 NumberOfCodeBlocks, 2233 NumberOfCodeBlocksAsserted, 43 NumberOfCheckSat, 2754 ConstructedInterpolants, 0 QuantifiedInterpolants, 10932 SizeOfPredicates, 129 NumberOfNonLiveVariables, 1979 ConjunctsInSsa, 162 ConjunctsInUnsatCore, 21 InterpolantComputations, 2 PerfectInterpolantSequences, 2635/12777 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 proved your program to be incorrect! [2023-05-04 10:45:54,962 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 10:45:55,170 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...