/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 -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-deagle/arithmetic_prog_ok.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-7707f89-m [2022-11-16 00:09:58,297 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 00:09:58,299 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 00:09:58,334 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-11-16 00:09:58,353 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 00:09:58,354 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 00:09:58,355 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 00:09:58,356 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 00:09:58,357 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 00:09:58,357 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 00:09:58,359 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 00:09:58,364 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 00:09:58,365 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 00:09:58,366 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 00:09:58,366 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 00:09:58,367 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 00:09:58,369 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-11-16 00:09:58,374 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 00:09:58,375 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 00:09:58,376 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 00:09:58,377 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 00:09:58,378 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 00:09:58,378 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 00:09:58,378 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 00:09:58,378 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 00:09:58,378 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 00:09:58,379 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 00:09:58,380 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 00:09:58,380 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2022-11-16 00:09:58,404 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 00:09:58,405 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 00:09:58,405 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 00:09:58,405 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 00:09:58,406 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 00:09:58,406 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 00:09:58,406 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 00:09:58,406 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 00:09:58,407 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 00:09:58,407 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 00:09:58,407 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 00:09:58,408 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 00:09:58,408 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 00:09:58,408 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 00:09:58,408 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 00:09:58,408 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 00:09:58,408 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 00:09:58,409 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 00:09:58,409 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 00:09:58,409 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 00:09:58,409 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 00:09:58,409 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 00:09:58,409 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 00:09:58,410 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-11-16 00:09:58,410 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 00:09:58,410 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 00:09:58,411 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 00:09:58,411 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 00:09:58,411 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 00:09:58,411 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 00:09:58,411 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 00:09:58,411 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 00:09:58,411 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-11-16 00:09:58,412 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 00:09:58,412 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-11-16 00:09:58,412 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-11-16 00:09:58,412 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-11-16 00:09:58,576 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 00:09:58,594 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 00:09:58,597 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 00:09:58,597 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 00:09:58,598 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 00:09:58,599 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-deagle/arithmetic_prog_ok.i [2022-11-16 00:09:58,653 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/938e4d55e/8ac5625ddf9a499c90b0f18f35571609/FLAGfc441afda [2022-11-16 00:09:59,088 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 00:09:59,088 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-deagle/arithmetic_prog_ok.i [2022-11-16 00:09:59,107 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/938e4d55e/8ac5625ddf9a499c90b0f18f35571609/FLAGfc441afda [2022-11-16 00:09:59,433 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/938e4d55e/8ac5625ddf9a499c90b0f18f35571609 [2022-11-16 00:09:59,435 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 00:09:59,436 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-11-16 00:09:59,437 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 00:09:59,437 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 00:09:59,443 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 00:09:59,443 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:09:59" (1/1) ... [2022-11-16 00:09:59,445 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1714fca3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:09:59, skipping insertion in model container [2022-11-16 00:09:59,445 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:09:59" (1/1) ... [2022-11-16 00:09:59,451 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 00:09:59,499 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 00:09:59,886 WARN L233 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-deagle/arithmetic_prog_ok.i[39757,39770] [2022-11-16 00:09:59,890 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 00:09:59,898 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 00:09:59,931 WARN L233 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-deagle/arithmetic_prog_ok.i[39757,39770] [2022-11-16 00:09:59,932 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 00:09:59,975 INFO L208 MainTranslator]: Completed translation [2022-11-16 00:09:59,975 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:09:59 WrapperNode [2022-11-16 00:09:59,975 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 00:09:59,976 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 00:09:59,976 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 00:09:59,976 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 00:09:59,984 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:09:59" (1/1) ... [2022-11-16 00:10:00,001 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:09:59" (1/1) ... [2022-11-16 00:10:00,026 INFO L138 Inliner]: procedures = 243, calls = 50, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 81 [2022-11-16 00:10:00,026 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 00:10:00,027 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 00:10:00,027 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 00:10:00,027 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 00:10:00,034 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:09:59" (1/1) ... [2022-11-16 00:10:00,034 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:09:59" (1/1) ... [2022-11-16 00:10:00,037 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:09:59" (1/1) ... [2022-11-16 00:10:00,037 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:09:59" (1/1) ... [2022-11-16 00:10:00,044 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:09:59" (1/1) ... [2022-11-16 00:10:00,047 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:09:59" (1/1) ... [2022-11-16 00:10:00,049 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:09:59" (1/1) ... [2022-11-16 00:10:00,050 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:09:59" (1/1) ... [2022-11-16 00:10:00,052 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 00:10:00,053 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 00:10:00,053 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 00:10:00,053 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 00:10:00,055 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:09:59" (1/1) ... [2022-11-16 00:10:00,060 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 00:10:00,070 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-16 00:10:00,081 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) [2022-11-16 00:10:00,100 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 [2022-11-16 00:10:00,123 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 00:10:00,123 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 00:10:00,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-16 00:10:00,125 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 00:10:00,125 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-16 00:10:00,126 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-16 00:10:00,126 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-16 00:10:00,126 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-16 00:10:00,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 00:10:00,126 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-16 00:10:00,126 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 00:10:00,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 00:10:00,126 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 00:10:00,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 00:10:00,128 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-16 00:10:00,264 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 00:10:00,265 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 00:10:00,476 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 00:10:00,483 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 00:10:00,483 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-16 00:10:00,485 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:10:00 BoogieIcfgContainer [2022-11-16 00:10:00,485 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 00:10:00,487 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 00:10:00,487 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 00:10:00,505 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 00:10:00,506 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 12:09:59" (1/3) ... [2022-11-16 00:10:00,506 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2593d6a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:10:00, skipping insertion in model container [2022-11-16 00:10:00,506 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:09:59" (2/3) ... [2022-11-16 00:10:00,507 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2593d6a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:10:00, skipping insertion in model container [2022-11-16 00:10:00,507 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:10:00" (3/3) ... [2022-11-16 00:10:00,508 INFO L112 eAbstractionObserver]: Analyzing ICFG arithmetic_prog_ok.i [2022-11-16 00:10:00,514 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-16 00:10:00,526 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 00:10:00,526 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 00:10:00,526 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-16 00:10:00,603 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-11-16 00:10:00,654 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 00:10:00,655 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-16 00:10:00,655 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-16 00:10:00,658 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) [2022-11-16 00:10:00,659 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 [2022-11-16 00:10:00,683 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-16 00:10:00,694 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-11-16 00:10:00,699 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;@41463a41, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 00:10:00,699 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-11-16 00:10:00,847 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-16 00:10:00,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 00:10:00,851 INFO L85 PathProgramCache]: Analyzing trace with hash 721452624, now seen corresponding path program 1 times [2022-11-16 00:10:00,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 00:10:00,859 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2001505557] [2022-11-16 00:10:00,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 00:10:00,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 00:10:01,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 00:10:01,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 00:10:01,173 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 00:10:01,173 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2001505557] [2022-11-16 00:10:01,174 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2001505557] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 00:10:01,174 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 00:10:01,174 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 00:10:01,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417544310] [2022-11-16 00:10:01,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 00:10:01,179 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-16 00:10:01,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 00:10:01,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-16 00:10:01,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-16 00:10:01,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 00:10:01,196 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 00:10:01,197 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 43.0) internal successors, (86), 2 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 00:10:01,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 00:10:01,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 00:10:01,218 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 00:10:01,219 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-16 00:10:01,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 00:10:01,219 INFO L85 PathProgramCache]: Analyzing trace with hash -319532752, now seen corresponding path program 1 times [2022-11-16 00:10:01,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 00:10:01,220 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478424893] [2022-11-16 00:10:01,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 00:10:01,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 00:10:01,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 00:10:01,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 00:10:01,399 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 00:10:01,399 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [478424893] [2022-11-16 00:10:01,400 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [478424893] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 00:10:01,400 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 00:10:01,400 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 00:10:01,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607134291] [2022-11-16 00:10:01,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 00:10:01,401 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 00:10:01,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 00:10:01,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 00:10:01,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 00:10:01,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 00:10:01,403 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 00:10:01,403 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 00:10:01,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 00:10:01,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 00:10:01,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 00:10:01,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 00:10:01,459 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 00:10:01,459 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-16 00:10:01,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 00:10:01,459 INFO L85 PathProgramCache]: Analyzing trace with hash -1000084062, now seen corresponding path program 1 times [2022-11-16 00:10:01,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 00:10:01,460 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057485602] [2022-11-16 00:10:01,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 00:10:01,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 00:10:01,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 00:10:01,711 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 00:10:01,711 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 00:10:01,711 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1057485602] [2022-11-16 00:10:01,712 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1057485602] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 00:10:01,712 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1633069633] [2022-11-16 00:10:01,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 00:10:01,712 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 00:10:01,712 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-16 00:10:01,715 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) [2022-11-16 00:10:01,717 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-16 00:10:01,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 00:10:01,858 INFO L263 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-16 00:10:01,865 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 00:10:01,913 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-16 00:10:01,914 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 00:10:01,914 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1633069633] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 00:10:01,914 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-16 00:10:01,914 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-11-16 00:10:01,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996199399] [2022-11-16 00:10:01,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 00:10:01,915 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 00:10:01,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 00:10:01,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 00:10:01,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-16 00:10:01,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 00:10:01,916 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 00:10:01,918 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 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) [2022-11-16 00:10:01,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 00:10:01,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-16 00:10:01,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 00:10:01,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 00:10:01,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 00:10:01,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 00:10:01,974 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-16 00:10:02,169 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2022-11-16 00:10:02,170 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-16 00:10:02,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 00:10:02,170 INFO L85 PathProgramCache]: Analyzing trace with hash 982038765, now seen corresponding path program 1 times [2022-11-16 00:10:02,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 00:10:02,171 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [455133413] [2022-11-16 00:10:02,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 00:10:02,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 00:10:02,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 00:10:02,341 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-16 00:10:02,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 00:10:02,342 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [455133413] [2022-11-16 00:10:02,343 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [455133413] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 00:10:02,343 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [612612018] [2022-11-16 00:10:02,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 00:10:02,343 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 00:10:02,343 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-16 00:10:02,345 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) [2022-11-16 00:10:02,347 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-16 00:10:02,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 00:10:02,472 INFO L263 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-16 00:10:02,503 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 00:10:02,567 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-16 00:10:02,567 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 00:10:02,608 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-16 00:10:02,609 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [612612018] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 00:10:02,609 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 00:10:02,609 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-11-16 00:10:02,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764271217] [2022-11-16 00:10:02,609 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 00:10:02,610 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-16 00:10:02,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 00:10:02,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-16 00:10:02,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-11-16 00:10:02,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 00:10:02,611 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 00:10:02,612 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 13.3) internal successors, (133), 10 states have internal predecessors, (133), 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) [2022-11-16 00:10:02,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 00:10:02,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-16 00:10:02,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-16 00:10:02,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 00:10:02,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 00:10:02,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 00:10:02,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 00:10:02,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 00:10:02,715 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-11-16 00:10:02,912 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 00:10:02,914 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-16 00:10:02,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 00:10:02,915 INFO L85 PathProgramCache]: Analyzing trace with hash -1089913811, now seen corresponding path program 2 times [2022-11-16 00:10:02,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 00:10:02,915 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1341065137] [2022-11-16 00:10:02,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 00:10:02,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 00:10:02,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 00:10:03,085 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-16 00:10:03,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 00:10:03,086 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1341065137] [2022-11-16 00:10:03,086 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1341065137] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 00:10:03,087 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1434551306] [2022-11-16 00:10:03,087 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-16 00:10:03,087 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 00:10:03,087 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-16 00:10:03,089 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) [2022-11-16 00:10:03,091 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-16 00:10:03,215 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-16 00:10:03,215 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 00:10:03,217 INFO L263 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-16 00:10:03,219 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 00:10:03,272 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-16 00:10:03,272 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 00:10:03,272 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1434551306] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 00:10:03,273 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-16 00:10:03,273 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-11-16 00:10:03,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494386233] [2022-11-16 00:10:03,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 00:10:03,273 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 00:10:03,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 00:10:03,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 00:10:03,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-16 00:10:03,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 00:10:03,274 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 00:10:03,275 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.8) internal successors, (124), 5 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 00:10:03,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 00:10:03,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-16 00:10:03,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-16 00:10:03,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-16 00:10:03,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 00:10:03,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 00:10:03,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 00:10:03,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 00:10:03,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 00:10:03,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 00:10:03,360 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-16 00:10:03,560 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 00:10:03,561 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-16 00:10:03,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 00:10:03,562 INFO L85 PathProgramCache]: Analyzing trace with hash 2079644745, now seen corresponding path program 1 times [2022-11-16 00:10:03,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 00:10:03,562 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1222171398] [2022-11-16 00:10:03,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 00:10:03,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 00:10:03,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 00:10:03,701 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 26 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-16 00:10:03,701 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 00:10:03,702 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1222171398] [2022-11-16 00:10:03,702 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1222171398] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 00:10:03,702 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [372048326] [2022-11-16 00:10:03,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 00:10:03,702 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 00:10:03,704 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-16 00:10:03,706 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) [2022-11-16 00:10:03,708 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-16 00:10:03,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 00:10:03,827 INFO L263 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-16 00:10:03,830 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 00:10:03,895 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-16 00:10:03,895 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 00:10:03,895 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [372048326] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 00:10:03,895 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-16 00:10:03,895 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 9 [2022-11-16 00:10:03,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548700898] [2022-11-16 00:10:03,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 00:10:03,896 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 00:10:03,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 00:10:03,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 00:10:03,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-11-16 00:10:03,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 00:10:03,897 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 00:10:03,897 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 22.0) internal successors, (132), 6 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 00:10:03,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 00:10:03,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-16 00:10:03,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-16 00:10:03,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-16 00:10:03,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-16 00:10:03,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 00:10:03,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 00:10:03,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 00:10:03,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 00:10:03,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 00:10:03,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 00:10:03,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-16 00:10:04,005 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-11-16 00:10:04,203 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 00:10:04,204 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-16 00:10:04,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 00:10:04,204 INFO L85 PathProgramCache]: Analyzing trace with hash 1311632080, now seen corresponding path program 2 times [2022-11-16 00:10:04,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 00:10:04,205 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [955553855] [2022-11-16 00:10:04,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 00:10:04,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 00:10:04,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 00:10:04,386 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-16 00:10:04,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 00:10:04,387 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [955553855] [2022-11-16 00:10:04,387 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [955553855] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 00:10:04,387 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 00:10:04,387 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 00:10:04,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164604123] [2022-11-16 00:10:04,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 00:10:04,388 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 00:10:04,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 00:10:04,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 00:10:04,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 00:10:04,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 00:10:04,389 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 00:10:04,389 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 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) [2022-11-16 00:10:04,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 00:10:04,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-16 00:10:04,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-16 00:10:04,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-16 00:10:04,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-16 00:10:04,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-16 00:10:04,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 00:10:04,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 00:10:04,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 00:10:04,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 00:10:04,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 00:10:04,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 00:10:04,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-16 00:10:04,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 00:10:04,422 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-16 00:10:04,423 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-16 00:10:04,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 00:10:04,423 INFO L85 PathProgramCache]: Analyzing trace with hash 1568078672, now seen corresponding path program 3 times [2022-11-16 00:10:04,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 00:10:04,423 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930138273] [2022-11-16 00:10:04,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 00:10:04,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 00:10:04,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 00:10:04,661 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 5 proven. 53 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-16 00:10:04,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 00:10:04,662 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930138273] [2022-11-16 00:10:04,663 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1930138273] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 00:10:04,663 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1861440073] [2022-11-16 00:10:04,663 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-16 00:10:04,664 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 00:10:04,664 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-16 00:10:04,668 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) [2022-11-16 00:10:04,671 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-16 00:10:04,859 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2022-11-16 00:10:04,859 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 00:10:04,861 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-16 00:10:04,864 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 00:10:04,967 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 29 proven. 26 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-16 00:10:04,967 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 00:10:05,077 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 29 proven. 26 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-16 00:10:05,077 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1861440073] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 00:10:05,077 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 00:10:05,077 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7, 7] total 16 [2022-11-16 00:10:05,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [299768057] [2022-11-16 00:10:05,078 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 00:10:05,079 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-11-16 00:10:05,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 00:10:05,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-11-16 00:10:05,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=193, Unknown=0, NotChecked=0, Total=240 [2022-11-16 00:10:05,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 00:10:05,102 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 00:10:05,102 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 16.1875) internal successors, (259), 16 states have internal predecessors, (259), 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) [2022-11-16 00:10:05,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 00:10:05,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-16 00:10:05,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-16 00:10:05,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-16 00:10:05,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-16 00:10:05,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-16 00:10:05,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-16 00:10:05,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 00:10:05,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 00:10:05,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 00:10:05,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 00:10:05,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 00:10:05,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 00:10:05,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-16 00:10:05,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 00:10:05,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-16 00:10:05,467 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-16 00:10:05,665 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 00:10:05,666 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-16 00:10:05,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 00:10:05,667 INFO L85 PathProgramCache]: Analyzing trace with hash -532142686, now seen corresponding path program 4 times [2022-11-16 00:10:05,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 00:10:05,667 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497711446] [2022-11-16 00:10:05,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 00:10:05,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 00:10:05,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 00:10:06,637 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 18 proven. 146 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-16 00:10:06,638 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 00:10:06,638 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [497711446] [2022-11-16 00:10:06,638 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [497711446] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 00:10:06,638 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [941149780] [2022-11-16 00:10:06,638 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-16 00:10:06,639 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 00:10:06,639 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-16 00:10:06,640 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) [2022-11-16 00:10:06,642 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-16 00:10:06,988 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-16 00:10:06,988 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 00:10:06,991 INFO L263 TraceCheckSpWp]: Trace formula consists of 493 conjuncts, 31 conjunts are in the unsatisfiable core [2022-11-16 00:10:06,994 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 00:10:07,744 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 18 proven. 146 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-16 00:10:07,744 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 00:10:08,491 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 0 proven. 164 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-16 00:10:08,491 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [941149780] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 00:10:08,492 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 00:10:08,492 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 16, 17] total 43 [2022-11-16 00:10:08,492 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [918539896] [2022-11-16 00:10:08,492 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 00:10:08,494 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2022-11-16 00:10:08,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 00:10:08,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2022-11-16 00:10:08,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=129, Invalid=1677, Unknown=0, NotChecked=0, Total=1806 [2022-11-16 00:10:08,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 00:10:08,496 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 00:10:08,497 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 9.348837209302326) internal successors, (402), 43 states have internal predecessors, (402), 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) [2022-11-16 00:10:08,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 00:10:08,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-16 00:10:08,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-16 00:10:08,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-16 00:10:08,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-16 00:10:08,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-16 00:10:08,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-16 00:10:08,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-11-16 00:10:08,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 00:10:11,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 00:10:11,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 00:10:11,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 00:10:11,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 00:10:11,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 00:10:11,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-16 00:10:11,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 00:10:11,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 113 states. [2022-11-16 00:10:11,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-16 00:10:11,114 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2022-11-16 00:10:11,114 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2022-11-16 00:10:11,115 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2022-11-16 00:10:11,124 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-16 00:10:11,325 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 00:10:11,329 INFO L444 BasicCegarLoop]: Path program histogram: [4, 2, 1, 1, 1] [2022-11-16 00:10:11,331 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-16 00:10:11,331 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 00:10:11,334 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 12:10:11 BasicIcfg [2022-11-16 00:10:11,334 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 00:10:11,335 INFO L158 Benchmark]: Toolchain (without parser) took 11898.40ms. Allocated memory was 204.5MB in the beginning and 420.5MB in the end (delta: 216.0MB). Free memory was 170.7MB in the beginning and 244.1MB in the end (delta: -73.4MB). Peak memory consumption was 207.1MB. Max. memory is 8.0GB. [2022-11-16 00:10:11,335 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 204.5MB. Free memory is still 158.5MB. There was no memory consumed. Max. memory is 8.0GB. [2022-11-16 00:10:11,335 INFO L158 Benchmark]: CACSL2BoogieTranslator took 538.54ms. Allocated memory was 204.5MB in the beginning and 285.2MB in the end (delta: 80.7MB). Free memory was 170.5MB in the beginning and 236.9MB in the end (delta: -66.5MB). Peak memory consumption was 16.1MB. Max. memory is 8.0GB. [2022-11-16 00:10:11,335 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.48ms. Allocated memory is still 285.2MB. Free memory was 236.9MB in the beginning and 234.6MB in the end (delta: 2.4MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-11-16 00:10:11,336 INFO L158 Benchmark]: Boogie Preprocessor took 25.51ms. Allocated memory is still 285.2MB. Free memory was 234.6MB in the beginning and 232.8MB in the end (delta: 1.8MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-11-16 00:10:11,336 INFO L158 Benchmark]: RCFGBuilder took 431.81ms. Allocated memory is still 285.2MB. Free memory was 232.8MB in the beginning and 216.2MB in the end (delta: 16.6MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2022-11-16 00:10:11,336 INFO L158 Benchmark]: TraceAbstraction took 10847.22ms. Allocated memory was 285.2MB in the beginning and 420.5MB in the end (delta: 135.3MB). Free memory was 215.4MB in the beginning and 244.1MB in the end (delta: -28.7MB). Peak memory consumption was 172.1MB. Max. memory is 8.0GB. [2022-11-16 00:10:11,337 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 204.5MB. Free memory is still 158.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 538.54ms. Allocated memory was 204.5MB in the beginning and 285.2MB in the end (delta: 80.7MB). Free memory was 170.5MB in the beginning and 236.9MB in the end (delta: -66.5MB). Peak memory consumption was 16.1MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 50.48ms. Allocated memory is still 285.2MB. Free memory was 236.9MB in the beginning and 234.6MB in the end (delta: 2.4MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 25.51ms. Allocated memory is still 285.2MB. Free memory was 234.6MB in the beginning and 232.8MB in the end (delta: 1.8MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 431.81ms. Allocated memory is still 285.2MB. Free memory was 232.8MB in the beginning and 216.2MB in the end (delta: 16.6MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * TraceAbstraction took 10847.22ms. Allocated memory was 285.2MB in the beginning and 420.5MB in the end (delta: 135.3MB). Free memory was 215.4MB in the beginning and 244.1MB in the end (delta: -28.7MB). Peak memory consumption was 172.1MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 49340, independent: 41772, independent conditional: 38410, independent unconditional: 3362, dependent: 7568, dependent conditional: 7540, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 41988, independent: 41772, independent conditional: 38410, independent unconditional: 3362, dependent: 216, dependent conditional: 188, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 41988, independent: 41772, independent conditional: 38410, independent unconditional: 3362, dependent: 216, dependent conditional: 188, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 43625, independent: 41772, independent conditional: 185, independent unconditional: 41587, dependent: 1853, dependent conditional: 1452, dependent unconditional: 401, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 43625, independent: 41772, independent conditional: 185, independent unconditional: 41587, dependent: 1853, dependent conditional: 187, dependent unconditional: 1666, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 43625, independent: 41772, independent conditional: 185, independent unconditional: 41587, dependent: 1853, dependent conditional: 187, dependent unconditional: 1666, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2359, independent: 2324, independent conditional: 5, independent unconditional: 2319, dependent: 35, dependent conditional: 6, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2359, independent: 2309, independent conditional: 0, independent unconditional: 2309, dependent: 50, dependent conditional: 0, dependent unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 50, independent: 15, independent conditional: 5, independent unconditional: 10, dependent: 35, dependent conditional: 6, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 50, independent: 15, independent conditional: 5, independent unconditional: 10, dependent: 35, dependent conditional: 6, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 140, independent: 61, independent conditional: 8, independent unconditional: 53, dependent: 79, dependent conditional: 11, dependent unconditional: 68, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 43625, independent: 39448, independent conditional: 180, independent unconditional: 39268, dependent: 1818, dependent conditional: 181, dependent unconditional: 1637, unknown: 2359, unknown conditional: 11, unknown unconditional: 2348] , Statistics on independence cache: Total cache size (in pairs): 2359, Positive cache size: 2324, Positive conditional cache size: 5, Positive unconditional cache size: 2319, Negative cache size: 35, Negative conditional cache size: 6, Negative unconditional cache size: 29, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1265, Maximal queried relation: 8, Independence queries for same thread: 7352 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.3s, Number of persistent set computation: 1489, Number of trivial persistent sets: 1441, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3390, independent: 3362, independent conditional: 0, independent unconditional: 3362, dependent: 28, dependent conditional: 0, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 49340, independent: 41772, independent conditional: 38410, independent unconditional: 3362, dependent: 7568, dependent conditional: 7540, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 41988, independent: 41772, independent conditional: 38410, independent unconditional: 3362, dependent: 216, dependent conditional: 188, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 41988, independent: 41772, independent conditional: 38410, independent unconditional: 3362, dependent: 216, dependent conditional: 188, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 43625, independent: 41772, independent conditional: 185, independent unconditional: 41587, dependent: 1853, dependent conditional: 1452, dependent unconditional: 401, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 43625, independent: 41772, independent conditional: 185, independent unconditional: 41587, dependent: 1853, dependent conditional: 187, dependent unconditional: 1666, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 43625, independent: 41772, independent conditional: 185, independent unconditional: 41587, dependent: 1853, dependent conditional: 187, dependent unconditional: 1666, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2359, independent: 2324, independent conditional: 5, independent unconditional: 2319, dependent: 35, dependent conditional: 6, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2359, independent: 2309, independent conditional: 0, independent unconditional: 2309, dependent: 50, dependent conditional: 0, dependent unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 50, independent: 15, independent conditional: 5, independent unconditional: 10, dependent: 35, dependent conditional: 6, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 50, independent: 15, independent conditional: 5, independent unconditional: 10, dependent: 35, dependent conditional: 6, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 140, independent: 61, independent conditional: 8, independent unconditional: 53, dependent: 79, dependent conditional: 11, dependent unconditional: 68, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 43625, independent: 39448, independent conditional: 180, independent unconditional: 39268, dependent: 1818, dependent conditional: 181, dependent unconditional: 1637, unknown: 2359, unknown conditional: 11, unknown unconditional: 2348] , Statistics on independence cache: Total cache size (in pairs): 2359, Positive cache size: 2324, Positive conditional cache size: 5, Positive unconditional cache size: 2319, Negative cache size: 35, Negative conditional cache size: 6, Negative unconditional cache size: 29, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1265, Maximal queried relation: 8, Independence queries for same thread: 7352 - PositiveResult [Line: 919]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 171 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 10.7s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 4, EmptinessCheckTime: 3.5s, 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: 169, 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: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 4.1s InterpolantComputationTime, 1949 NumberOfCodeBlocks, 1949 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 2381 ConstructedInterpolants, 0 QuantifiedInterpolants, 6958 SizeOfPredicates, 22 NumberOfNonLiveVariables, 2160 ConjunctsInSsa, 53 ConjunctsInUnsatCore, 18 InterpolantComputations, 6 PerfectInterpolantSequences, 342/912 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-16 00:10:11,353 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 [2022-11-16 00:10:11,557 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...