/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_THREAD_INSTANCE --traceabstraction.maximal.amount.of.steps.the.threads.are.allowed.to.take.successively 1 --traceabstraction.enable.heuristic.with.loops.as.step.type false --traceabstraction.considered.threads.and.their.maximal.amount.of.steps X --traceabstraction.defines.what.statements.are.considered.a.step.in.por LOOP -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/ldv-races/race-3_2-container_of-global.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-218013a [2023-05-04 19:48:58,349 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2023-05-04 19:48:58,400 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-04 19:48:58,401 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-04 19:48:58,401 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-04 19:48:58,402 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-04 19:48:58,415 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-04 19:48:58,415 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-04 19:48:58,415 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-04 19:48:58,415 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-04 19:48:58,416 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-04 19:48:58,416 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-04 19:48:58,416 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-04 19:48:58,419 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-04 19:48:58,420 INFO L138 SettingsManager]: * Use SBE=true [2023-05-04 19:48:58,420 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-04 19:48:58,420 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-04 19:48:58,420 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-04 19:48:58,420 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-04 19:48:58,421 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-04 19:48:58,421 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-04 19:48:58,421 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-04 19:48:58,421 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-04 19:48:58,421 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-04 19:48:58,421 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-04 19:48:58,421 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-04 19:48:58,421 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-04 19:48:58,421 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-04 19:48:58,421 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-04 19:48:58,423 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-04 19:48:58,423 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-04 19:48:58,423 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 19:48:58,423 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-04 19:48:58,423 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-04 19:48:58,423 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-04 19:48:58,423 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-04 19:48:58,423 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-04 19:48:58,423 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-04 19:48:58,424 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-04 19:48:58,424 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-04 19:48:58,424 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-04 19:48:58,424 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-04 19:48:58,424 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> X Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> LOOP [2023-05-04 19:48:58,582 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-04 19:48:58,612 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-04 19:48:58,613 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-04 19:48:58,614 INFO L271 PluginConnector]: Initializing CDTParser... [2023-05-04 19:48:58,615 INFO L275 PluginConnector]: CDTParser initialized [2023-05-04 19:48:58,615 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-3_2-container_of-global.i [2023-05-04 19:48:58,651 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3221acc4e/008fb05aec02457b8744bca3ef080b4d/FLAG16328e571 [2023-05-04 19:48:59,096 INFO L306 CDTParser]: Found 1 translation units. [2023-05-04 19:48:59,096 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-3_2-container_of-global.i [2023-05-04 19:48:59,111 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3221acc4e/008fb05aec02457b8744bca3ef080b4d/FLAG16328e571 [2023-05-04 19:48:59,123 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3221acc4e/008fb05aec02457b8744bca3ef080b4d [2023-05-04 19:48:59,125 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-04 19:48:59,127 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-04 19:48:59,130 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-05-04 19:48:59,130 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-05-04 19:48:59,132 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-05-04 19:48:59,132 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 07:48:59" (1/1) ... [2023-05-04 19:48:59,133 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e584231 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:48:59, skipping insertion in model container [2023-05-04 19:48:59,133 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 07:48:59" (1/1) ... [2023-05-04 19:48:59,137 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-05-04 19:48:59,189 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-05-04 19:48:59,388 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-05-04 19:48:59,768 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-3_2-container_of-global.i[75009,75022] [2023-05-04 19:48:59,807 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 19:48:59,815 INFO L203 MainTranslator]: Completed pre-run [2023-05-04 19:48:59,823 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-05-04 19:48:59,860 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-3_2-container_of-global.i[75009,75022] [2023-05-04 19:48:59,876 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 19:48:59,956 INFO L208 MainTranslator]: Completed translation [2023-05-04 19:48:59,956 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:48:59 WrapperNode [2023-05-04 19:48:59,956 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-05-04 19:48:59,957 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-04 19:48:59,957 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-04 19:48:59,957 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-04 19:48:59,962 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:48:59" (1/1) ... [2023-05-04 19:49:00,003 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:48:59" (1/1) ... [2023-05-04 19:49:00,034 INFO L138 Inliner]: procedures = 468, calls = 52, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 134 [2023-05-04 19:49:00,034 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-04 19:49:00,035 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-04 19:49:00,035 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-04 19:49:00,035 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-04 19:49:00,057 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:48:59" (1/1) ... [2023-05-04 19:49:00,058 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:48:59" (1/1) ... [2023-05-04 19:49:00,060 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:48:59" (1/1) ... [2023-05-04 19:49:00,060 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:48:59" (1/1) ... [2023-05-04 19:49:00,067 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:48:59" (1/1) ... [2023-05-04 19:49:00,068 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:48:59" (1/1) ... [2023-05-04 19:49:00,070 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:48:59" (1/1) ... [2023-05-04 19:49:00,071 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:48:59" (1/1) ... [2023-05-04 19:49:00,083 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-04 19:49:00,083 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-04 19:49:00,083 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-04 19:49:00,083 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-04 19:49:00,086 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:48:59" (1/1) ... [2023-05-04 19:49:00,096 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 19:49:00,107 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 19:49:00,118 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-05-04 19:49:00,145 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-05-04 19:49:00,155 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-05-04 19:49:00,155 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-05-04 19:49:00,155 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-05-04 19:49:00,156 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-05-04 19:49:00,156 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-05-04 19:49:00,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-05-04 19:49:00,156 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-04 19:49:00,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-04 19:49:00,156 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2023-05-04 19:49:00,156 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2023-05-04 19:49:00,156 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-05-04 19:49:00,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-05-04 19:49:00,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-05-04 19:49:00,157 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2023-05-04 19:49:00,400 INFO L235 CfgBuilder]: Building ICFG [2023-05-04 19:49:00,401 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-04 19:49:00,537 INFO L276 CfgBuilder]: Performing block encoding [2023-05-04 19:49:00,556 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-04 19:49:00,556 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2023-05-04 19:49:00,558 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 07:49:00 BoogieIcfgContainer [2023-05-04 19:49:00,558 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-04 19:49:00,567 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-04 19:49:00,567 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-04 19:49:00,570 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-04 19:49:00,570 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.05 07:48:59" (1/3) ... [2023-05-04 19:49:00,570 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d32b34d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 07:49:00, skipping insertion in model container [2023-05-04 19:49:00,570 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:48:59" (2/3) ... [2023-05-04 19:49:00,571 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d32b34d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 07:49:00, skipping insertion in model container [2023-05-04 19:49:00,571 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 07:49:00" (3/3) ... [2023-05-04 19:49:00,572 INFO L112 eAbstractionObserver]: Analyzing ICFG race-3_2-container_of-global.i [2023-05-04 19:49:00,576 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-04 19:49:00,582 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-04 19:49:00,582 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2023-05-04 19:49:00,582 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-04 19:49:00,615 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-05-04 19:49:00,644 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 19:49:00,644 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-04 19:49:00,644 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 19:49:00,648 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-05-04 19:49:00,670 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-05-04 19:49:00,697 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-04 19:49:00,715 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-04 19:49:00,719 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;@697cfbab, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 19:49:00,719 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2023-05-04 19:49:00,747 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2023-05-04 19:49:00,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 19:49:00,752 INFO L85 PathProgramCache]: Analyzing trace with hash 1465795188, now seen corresponding path program 1 times [2023-05-04 19:49:00,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 19:49:00,757 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609774370] [2023-05-04 19:49:00,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 19:49:00,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 19:49:00,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 19:49:01,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 19:49:01,309 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 19:49:01,309 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [609774370] [2023-05-04 19:49:01,311 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [609774370] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 19:49:01,311 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 19:49:01,311 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-05-04 19:49:01,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069890915] [2023-05-04 19:49:01,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 19:49:01,316 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-05-04 19:49:01,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 19:49:01,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-05-04 19:49:01,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-05-04 19:49:01,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 19:49:01,335 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 19:49:01,336 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 19:49:01,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 19:49:01,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 19:49:01,413 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-04 19:49:01,413 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2023-05-04 19:49:01,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 19:49:01,413 INFO L85 PathProgramCache]: Analyzing trace with hash 193261387, now seen corresponding path program 1 times [2023-05-04 19:49:01,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 19:49:01,414 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659365166] [2023-05-04 19:49:01,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 19:49:01,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 19:49:01,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 19:49:01,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 19:49:01,623 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 19:49:01,623 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659365166] [2023-05-04 19:49:01,623 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [659365166] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 19:49:01,623 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 19:49:01,624 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-05-04 19:49:01,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243630461] [2023-05-04 19:49:01,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 19:49:01,625 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-05-04 19:49:01,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 19:49:01,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-05-04 19:49:01,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-05-04 19:49:01,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 19:49:01,629 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 19:49:01,629 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 19:49:01,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 19:49:01,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 19:49:01,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 19:49:01,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-04 19:49:01,756 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-05-04 19:49:01,756 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2023-05-04 19:49:01,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 19:49:01,758 INFO L85 PathProgramCache]: Analyzing trace with hash 1503918419, now seen corresponding path program 1 times [2023-05-04 19:49:01,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 19:49:01,758 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1016030825] [2023-05-04 19:49:01,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 19:49:01,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 19:49:01,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 19:49:02,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 19:49:02,019 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 19:49:02,020 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1016030825] [2023-05-04 19:49:02,020 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1016030825] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 19:49:02,020 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 19:49:02,020 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-05-04 19:49:02,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766972083] [2023-05-04 19:49:02,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 19:49:02,024 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-05-04 19:49:02,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 19:49:02,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-05-04 19:49:02,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-05-04 19:49:02,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 19:49:02,026 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 19:49:02,029 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 6 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 19:49:02,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 19:49:02,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-04 19:49:02,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 19:49:02,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 19:49:02,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-04 19:49:02,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 19:49:02,137 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-05-04 19:49:02,137 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2023-05-04 19:49:02,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 19:49:02,138 INFO L85 PathProgramCache]: Analyzing trace with hash 1628560954, now seen corresponding path program 1 times [2023-05-04 19:49:02,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 19:49:02,138 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1615569652] [2023-05-04 19:49:02,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 19:49:02,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 19:49:02,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 19:49:02,333 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 19:49:02,333 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 19:49:02,334 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1615569652] [2023-05-04 19:49:02,336 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1615569652] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 19:49:02,336 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 19:49:02,336 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-05-04 19:49:02,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416432130] [2023-05-04 19:49:02,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 19:49:02,338 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-05-04 19:49:02,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 19:49:02,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-05-04 19:49:02,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-05-04 19:49:02,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 19:49:02,339 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 19:49:02,339 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.0) internal successors, (84), 6 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 19:49:02,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 19:49:02,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-04 19:49:02,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 19:49:02,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 19:49:09,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 19:49:09,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-04 19:49:09,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 19:49:09,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 19:49:09,252 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-05-04 19:49:09,253 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2023-05-04 19:49:09,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 19:49:09,253 INFO L85 PathProgramCache]: Analyzing trace with hash -1561454783, now seen corresponding path program 1 times [2023-05-04 19:49:09,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 19:49:09,254 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [548717940] [2023-05-04 19:49:09,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 19:49:09,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 19:49:09,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 19:49:10,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 19:49:10,338 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 19:49:10,338 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [548717940] [2023-05-04 19:49:10,338 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [548717940] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 19:49:10,338 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 19:49:10,338 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2023-05-04 19:49:10,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212357338] [2023-05-04 19:49:10,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 19:49:10,339 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-05-04 19:49:10,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 19:49:10,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-05-04 19:49:10,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2023-05-04 19:49:10,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 19:49:10,340 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 19:49:10,340 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 8.066666666666666) internal successors, (121), 15 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 19:49:10,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 19:49:10,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-04 19:49:10,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 19:49:10,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 19:49:10,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 19:49:10,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 19:49:10,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-04 19:49:10,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 19:49:10,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 19:49:10,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-04 19:49:10,854 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-05-04 19:49:10,855 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2023-05-04 19:49:10,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 19:49:10,855 INFO L85 PathProgramCache]: Analyzing trace with hash -1085782841, now seen corresponding path program 1 times [2023-05-04 19:49:10,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 19:49:10,855 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [814538864] [2023-05-04 19:49:10,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 19:49:10,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 19:49:10,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 19:49:13,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 19:49:13,683 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 19:49:13,683 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [814538864] [2023-05-04 19:49:13,683 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [814538864] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 19:49:13,683 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 19:49:13,683 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2023-05-04 19:49:13,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920240260] [2023-05-04 19:49:13,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 19:49:13,684 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2023-05-04 19:49:13,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 19:49:13,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2023-05-04 19:49:13,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=793, Unknown=0, NotChecked=0, Total=870 [2023-05-04 19:49:13,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 19:49:13,685 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 19:49:13,685 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 4.3) internal successors, (129), 30 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 19:49:13,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 19:49:13,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-04 19:49:13,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 19:49:13,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 19:49:13,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-04 19:49:13,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 19:49:19,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 19:49:19,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-04 19:49:19,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 19:49:19,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 19:49:19,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-04 19:49:19,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-05-04 19:49:19,400 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-05-04 19:49:19,401 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2023-05-04 19:49:19,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 19:49:19,402 INFO L85 PathProgramCache]: Analyzing trace with hash 1405910473, now seen corresponding path program 2 times [2023-05-04 19:49:19,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 19:49:19,402 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [514540678] [2023-05-04 19:49:19,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 19:49:19,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 19:49:19,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 19:49:20,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 19:49:20,705 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 19:49:20,706 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [514540678] [2023-05-04 19:49:20,706 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [514540678] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 19:49:20,706 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 19:49:20,706 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2023-05-04 19:49:20,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73510482] [2023-05-04 19:49:20,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 19:49:20,706 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-05-04 19:49:20,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 19:49:20,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-05-04 19:49:20,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=261, Unknown=0, NotChecked=0, Total=306 [2023-05-04 19:49:20,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 19:49:20,707 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 19:49:20,707 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 6.722222222222222) internal successors, (121), 18 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 19:49:20,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 19:49:20,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-04 19:49:20,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 19:49:20,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 19:49:20,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-04 19:49:20,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-05-04 19:49:20,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 19:49:22,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 19:49:22,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-04 19:49:22,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 19:49:22,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 19:49:22,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-04 19:49:22,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-05-04 19:49:22,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-05-04 19:49:22,781 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-05-04 19:49:22,781 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2023-05-04 19:49:22,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 19:49:22,782 INFO L85 PathProgramCache]: Analyzing trace with hash -1162108081, now seen corresponding path program 2 times [2023-05-04 19:49:22,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 19:49:22,782 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052323085] [2023-05-04 19:49:22,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 19:49:22,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 19:49:22,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 19:49:25,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 19:49:25,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 19:49:25,126 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1052323085] [2023-05-04 19:49:25,126 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1052323085] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 19:49:25,126 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 19:49:25,126 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-05-04 19:49:25,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013819991] [2023-05-04 19:49:25,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 19:49:25,127 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2023-05-04 19:49:25,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 19:49:25,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2023-05-04 19:49:25,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=586, Unknown=0, NotChecked=0, Total=650 [2023-05-04 19:49:25,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 19:49:25,128 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 19:49:25,128 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 4.961538461538462) internal successors, (129), 26 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 19:49:25,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 19:49:25,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-04 19:49:25,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 19:49:25,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 19:49:25,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-04 19:49:25,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-05-04 19:49:25,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-05-04 19:49:25,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 19:49:35,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 19:49:35,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-04 19:49:35,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 19:49:35,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 19:49:35,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-04 19:49:35,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-05-04 19:49:35,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-05-04 19:49:35,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-05-04 19:49:35,088 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-05-04 19:49:35,089 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2023-05-04 19:49:35,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 19:49:35,089 INFO L85 PathProgramCache]: Analyzing trace with hash 540874465, now seen corresponding path program 3 times [2023-05-04 19:49:35,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 19:49:35,089 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [97065987] [2023-05-04 19:49:35,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 19:49:35,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 19:49:35,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-05-04 19:49:35,123 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-05-04 19:49:35,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-05-04 19:49:35,179 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-05-04 19:49:35,179 INFO L359 BasicCegarLoop]: Counterexample is feasible [2023-05-04 19:49:35,180 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (7 of 8 remaining) [2023-05-04 19:49:35,181 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 8 remaining) [2023-05-04 19:49:35,183 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (5 of 8 remaining) [2023-05-04 19:49:35,183 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (4 of 8 remaining) [2023-05-04 19:49:35,183 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION (3 of 8 remaining) [2023-05-04 19:49:35,183 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (2 of 8 remaining) [2023-05-04 19:49:35,183 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 8 remaining) [2023-05-04 19:49:35,184 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 8 remaining) [2023-05-04 19:49:35,184 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-05-04 19:49:35,191 INFO L444 BasicCegarLoop]: Path program histogram: [3, 2, 1, 1, 1, 1] [2023-05-04 19:49:35,195 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-04 19:49:35,195 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-04 19:49:35,271 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.05 07:49:35 BasicIcfg [2023-05-04 19:49:35,271 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-04 19:49:35,272 INFO L158 Benchmark]: Toolchain (without parser) took 36144.79ms. Allocated memory was 244.3MB in the beginning and 610.3MB in the end (delta: 366.0MB). Free memory was 213.5MB in the beginning and 316.7MB in the end (delta: -103.2MB). Peak memory consumption was 263.3MB. Max. memory is 8.0GB. [2023-05-04 19:49:35,272 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 178.3MB. Free memory is still 132.1MB. There was no memory consumed. Max. memory is 8.0GB. [2023-05-04 19:49:35,272 INFO L158 Benchmark]: CACSL2BoogieTranslator took 826.83ms. Allocated memory is still 244.3MB. Free memory was 213.5MB in the beginning and 169.6MB in the end (delta: 43.9MB). Peak memory consumption was 45.1MB. Max. memory is 8.0GB. [2023-05-04 19:49:35,272 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.33ms. Allocated memory is still 244.3MB. Free memory was 169.6MB in the beginning and 166.5MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-05-04 19:49:35,272 INFO L158 Benchmark]: Boogie Preprocessor took 47.69ms. Allocated memory is still 244.3MB. Free memory was 166.5MB in the beginning and 163.8MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-05-04 19:49:35,273 INFO L158 Benchmark]: RCFGBuilder took 474.47ms. Allocated memory is still 244.3MB. Free memory was 163.8MB in the beginning and 139.7MB in the end (delta: 24.1MB). Peak memory consumption was 24.1MB. Max. memory is 8.0GB. [2023-05-04 19:49:35,273 INFO L158 Benchmark]: TraceAbstraction took 34703.96ms. Allocated memory was 244.3MB in the beginning and 610.3MB in the end (delta: 366.0MB). Free memory was 212.5MB in the beginning and 316.7MB in the end (delta: -104.3MB). Peak memory consumption was 262.2MB. Max. memory is 8.0GB. [2023-05-04 19:49:35,274 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 178.3MB. Free memory is still 132.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 826.83ms. Allocated memory is still 244.3MB. Free memory was 213.5MB in the beginning and 169.6MB in the end (delta: 43.9MB). Peak memory consumption was 45.1MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 77.33ms. Allocated memory is still 244.3MB. Free memory was 169.6MB in the beginning and 166.5MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 47.69ms. Allocated memory is still 244.3MB. Free memory was 166.5MB in the beginning and 163.8MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 474.47ms. Allocated memory is still 244.3MB. Free memory was 163.8MB in the beginning and 139.7MB in the end (delta: 24.1MB). Peak memory consumption was 24.1MB. Max. memory is 8.0GB. * TraceAbstraction took 34703.96ms. Allocated memory was 244.3MB in the beginning and 610.3MB in the end (delta: 366.0MB). Free memory was 212.5MB in the beginning and 316.7MB in the end (delta: -104.3MB). Peak memory consumption was 262.2MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2406, independent: 1035, independent conditional: 327, independent unconditional: 708, dependent: 1358, dependent conditional: 1349, dependent unconditional: 9, unknown: 13, unknown conditional: 4, unknown unconditional: 9] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1060, independent: 1035, independent conditional: 327, independent unconditional: 708, dependent: 12, dependent conditional: 3, dependent unconditional: 9, unknown: 13, unknown conditional: 4, unknown unconditional: 9] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1060, independent: 1035, independent conditional: 327, independent unconditional: 708, dependent: 12, dependent conditional: 3, dependent unconditional: 9, unknown: 13, unknown conditional: 4, unknown unconditional: 9] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1110, independent: 1035, independent conditional: 0, independent unconditional: 1035, dependent: 33, dependent conditional: 21, dependent unconditional: 12, unknown: 42, unknown conditional: 29, unknown unconditional: 13] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1110, independent: 1035, independent conditional: 0, independent unconditional: 1035, dependent: 33, dependent conditional: 9, dependent unconditional: 24, unknown: 42, unknown conditional: 13, unknown unconditional: 29] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1110, independent: 1035, independent conditional: 0, independent unconditional: 1035, dependent: 33, dependent conditional: 9, dependent unconditional: 24, unknown: 42, unknown conditional: 13, unknown unconditional: 29] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 738, independent: 708, independent conditional: 0, independent unconditional: 708, dependent: 13, dependent conditional: 4, dependent unconditional: 9, unknown: 17, unknown conditional: 8, unknown unconditional: 9] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 738, independent: 707, independent conditional: 0, independent unconditional: 707, dependent: 31, dependent conditional: 0, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 31, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 13, dependent conditional: 4, dependent unconditional: 9, unknown: 17, unknown conditional: 8, unknown unconditional: 9] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 31, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 13, dependent conditional: 4, dependent unconditional: 9, unknown: 17, unknown conditional: 8, unknown unconditional: 9] , SemanticIndependenceRelation.Query Time [ms]: [ total: 18620, independent: 35, independent conditional: 0, independent unconditional: 35, dependent: 274, dependent conditional: 96, dependent unconditional: 179, unknown: 18311, unknown conditional: 8673, unknown unconditional: 9638] , Protected Queries: 0 ], Cache Queries: [ total: 1110, independent: 327, independent conditional: 0, independent unconditional: 327, dependent: 20, dependent conditional: 5, dependent unconditional: 15, unknown: 763, unknown conditional: 17, unknown unconditional: 746] , Statistics on independence cache: Total cache size (in pairs): 721, Positive cache size: 708, Positive conditional cache size: 0, Positive unconditional cache size: 708, Negative cache size: 13, Negative conditional cache size: 4, Negative unconditional cache size: 9, Unknown cache size: 17, Unknown conditional cache size: 8, Unknown unconditional cache size: 9, Eliminated conditions: 28, Maximal queried relation: 8, Independence queries for same thread: 1346 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 9.9s, Number of persistent set computation: 178, Number of trivial persistent sets: 168, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 726, independent: 708, independent conditional: 0, independent unconditional: 708, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 9, unknown conditional: 0, unknown unconditional: 9] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2406, independent: 1035, independent conditional: 327, independent unconditional: 708, dependent: 1358, dependent conditional: 1349, dependent unconditional: 9, unknown: 13, unknown conditional: 4, unknown unconditional: 9] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1060, independent: 1035, independent conditional: 327, independent unconditional: 708, dependent: 12, dependent conditional: 3, dependent unconditional: 9, unknown: 13, unknown conditional: 4, unknown unconditional: 9] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1060, independent: 1035, independent conditional: 327, independent unconditional: 708, dependent: 12, dependent conditional: 3, dependent unconditional: 9, unknown: 13, unknown conditional: 4, unknown unconditional: 9] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1110, independent: 1035, independent conditional: 0, independent unconditional: 1035, dependent: 33, dependent conditional: 21, dependent unconditional: 12, unknown: 42, unknown conditional: 29, unknown unconditional: 13] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1110, independent: 1035, independent conditional: 0, independent unconditional: 1035, dependent: 33, dependent conditional: 9, dependent unconditional: 24, unknown: 42, unknown conditional: 13, unknown unconditional: 29] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1110, independent: 1035, independent conditional: 0, independent unconditional: 1035, dependent: 33, dependent conditional: 9, dependent unconditional: 24, unknown: 42, unknown conditional: 13, unknown unconditional: 29] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 738, independent: 708, independent conditional: 0, independent unconditional: 708, dependent: 13, dependent conditional: 4, dependent unconditional: 9, unknown: 17, unknown conditional: 8, unknown unconditional: 9] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 738, independent: 707, independent conditional: 0, independent unconditional: 707, dependent: 31, dependent conditional: 0, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 31, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 13, dependent conditional: 4, dependent unconditional: 9, unknown: 17, unknown conditional: 8, unknown unconditional: 9] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 31, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 13, dependent conditional: 4, dependent unconditional: 9, unknown: 17, unknown conditional: 8, unknown unconditional: 9] , SemanticIndependenceRelation.Query Time [ms]: [ total: 18620, independent: 35, independent conditional: 0, independent unconditional: 35, dependent: 274, dependent conditional: 96, dependent unconditional: 179, unknown: 18311, unknown conditional: 8673, unknown unconditional: 9638] , Protected Queries: 0 ], Cache Queries: [ total: 1110, independent: 327, independent conditional: 0, independent unconditional: 327, dependent: 20, dependent conditional: 5, dependent unconditional: 15, unknown: 763, unknown conditional: 17, unknown unconditional: 746] , Statistics on independence cache: Total cache size (in pairs): 721, Positive cache size: 708, Positive conditional cache size: 0, Positive unconditional cache size: 708, Negative cache size: 13, Negative conditional cache size: 4, Negative unconditional cache size: 9, Unknown cache size: 17, Unknown conditional cache size: 8, Unknown unconditional cache size: 9, Eliminated conditions: 28, Maximal queried relation: 8, Independence queries for same thread: 1346 - CounterExampleResult [Line: 1675]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L1688] 0 struct device *my_dev; VAL [my_dev={0:0}] [L1676] 0 pthread_t t1,t2; VAL [my_dev={0:0}, t1={3:0}, t2={4:0}] [L1733] CALL, EXPR 0 my_drv_init() [L1727] 0 return 0; VAL [\result=0, my_dev={0:0}, t1={3:0}, t2={4:0}] [L1733] RET, EXPR 0 my_drv_init() [L1733] 0 int ret = my_drv_init(); VAL [my_dev={0:0}, my_drv_init()=0, ret=0, t1={3:0}, t2={4:0}] [L1734] COND TRUE 0 ret==0 VAL [my_dev={0:0}, ret=0, t1={3:0}, t2={4:0}] [L1735] 0 int probe_ret; VAL [my_dev={0:0}, ret=0, t1={3:0}, t2={4:0}] [L1736] 0 struct my_data data; VAL [data={5:0}, my_dev={0:0}, ret=0, t1={3:0}, t2={4:0}] [L1737] CALL, EXPR 0 my_drv_probe(&data) [L1705] 0 data->shared.a = 0 VAL [data={5:0}, data={5:0}, my_dev={0:0}, t1={3:0}, t2={4:0}] [L1706] 0 data->shared.b = 0 VAL [data={5:0}, data={5:0}, my_dev={0:0}, t1={3:0}, t2={4:0}] [L1707] EXPR 0 data->shared.a VAL [data={5:0}, data={5:0}, data->shared.a=0, my_dev={0:0}, t1={3:0}, t2={4:0}] [L1707] CALL 0 ldv_assert(data->shared.a==0) [L1675] COND FALSE 0 !(!expression) VAL [\old(expression)=1, expression=1, my_dev={0:0}, t1={3:0}, t2={4:0}] [L1707] RET 0 ldv_assert(data->shared.a==0) [L1708] EXPR 0 data->shared.b VAL [data={5:0}, data={5:0}, data->shared.b=0, my_dev={0:0}, t1={3:0}, t2={4:0}] [L1708] CALL 0 ldv_assert(data->shared.b==0) [L1675] COND FALSE 0 !(!expression) VAL [\old(expression)=1, expression=1, my_dev={0:0}, t1={3:0}, t2={4:0}] [L1708] RET 0 ldv_assert(data->shared.b==0) [L1709] 0 int res = __VERIFIER_nondet_int(); VAL [__VERIFIER_nondet_int()=0, data={5:0}, data={5:0}, my_dev={0:0}, res=0, t1={3:0}, t2={4:0}] [L1710] COND FALSE 0 !(\read(res)) VAL [data={5:0}, data={5:0}, my_dev={0:0}, res=0, t1={3:0}, t2={4:0}] [L1712] 0 my_dev = &data->dev VAL [data={5:0}, data={5:0}, my_dev={5:24}, res=0, t1={3:0}, t2={4:0}] [L1713] FCALL, FORK 0 pthread_create(&t1, ((void *)0), my_callback, ((void *)0)) VAL [arg={0:0}, data={5:0}, data={5:0}, my_dev={5:24}, pthread_create(&t1, ((void *)0), my_callback, ((void *)0))=-2, res=0, t1={3:0}, t2={4:0}] [L1714] FCALL, FORK 0 pthread_create(&t2, ((void *)0), my_callback, ((void *)0)) VAL [arg={0:0}, data={5:0}, data={5:0}, my_dev={5:24}, pthread_create(&t2, ((void *)0), my_callback, ((void *)0))=-1, res=0, t1={3:0}, t2={4:0}] [L1715] 0 return 0; VAL [\result=0, arg={0:0}, data={5:0}, data={5:0}, my_dev={5:24}, res=0, t1={3:0}, t2={4:0}] [L1737] RET, EXPR 0 my_drv_probe(&data) [L1737] 0 probe_ret = my_drv_probe(&data) VAL [arg={0:0}, data={5:0}, my_dev={5:24}, my_drv_probe(&data)=0, probe_ret=0, ret=0, t1={3:0}, t2={4:0}] [L1738] COND TRUE 0 probe_ret==0 VAL [arg={0:0}, data={5:0}, my_dev={5:24}, probe_ret=0, ret=0, t1={3:0}, t2={4:0}] [L1739] CALL 0 my_drv_disconnect(&data) [L1721] 0 void *status; VAL [arg={0:0}, data={5:0}, data={5:0}, my_dev={5:24}, status={7:0}, t1={3:0}, t2={4:0}] [L1722] 0 \read(t1) VAL [\read(t1)=-2, arg={0:0}, data={5:0}, data={5:0}, my_dev={5:24}, status={7:0}, t1={3:0}, t2={4:0}] [L1690] 2 struct my_data *data; VAL [arg={0:0}, arg={0:0}, my_dev={5:24}, t1={3:0}, t2={4:0}] [L1691] 2 const typeof( ((struct my_data *)0)->dev ) *__mptr = (my_dev); VAL [__mptr={5:24}, arg={0:0}, arg={0:0}, my_dev={5:24}, t1={3:0}, t2={4:0}] [L1691] 2 data = ({ const typeof( ((struct my_data *)0)->dev ) *__mptr = (my_dev); (struct my_data *)( (char *)__mptr - ((unsigned long) &((struct my_data *)0)->dev) );}) VAL [__mptr={5:24}, arg={0:0}, arg={0:0}, data={5:0}, my_dev={5:24}, t1={3:0}, t2={4:0}] [L1693] 2 data->shared.a = 1 VAL [__mptr={5:24}, arg={0:0}, arg={0:0}, data={5:0}, my_dev={5:24}, t1={3:0}, t2={4:0}] [L1696] EXPR 2 data->shared.b [L1696] 2 int lb = data->shared.b; [L1690] 1 struct my_data *data; VAL [__mptr={5:24}, arg={0:0}, arg={0:0}, data={5:0}, lb=0, my_dev={5:24}, t1={3:0}, t2={4:0}] [L1691] 1 const typeof( ((struct my_data *)0)->dev ) *__mptr = (my_dev); VAL [__mptr={5:24}, arg={0:0}, arg={0:0}, data={5:0}, lb=0, my_dev={5:24}, t1={3:0}, t2={4:0}] [L1691] 1 data = ({ const typeof( ((struct my_data *)0)->dev ) *__mptr = (my_dev); (struct my_data *)( (char *)__mptr - ((unsigned long) &((struct my_data *)0)->dev) );}) VAL [__mptr={5:24}, arg={0:0}, arg={0:0}, data={5:0}, lb=0, my_dev={5:24}, t1={3:0}, t2={4:0}] [L1693] 1 data->shared.a = 1 VAL [__mptr={5:24}, arg={0:0}, arg={0:0}, data={5:0}, lb=0, my_dev={5:24}, t1={3:0}, t2={4:0}] [L1696] EXPR 1 data->shared.b [L1696] 1 int lb = data->shared.b; [L1699] 2 data->shared.b = lb + 1 VAL [__mptr={5:24}, arg={0:0}, arg={0:0}, data={5:0}, lb=0, my_dev={5:24}, t1={3:0}, t2={4:0}] [L1701] 2 return 0; VAL [\result={0:0}, __mptr={5:24}, arg={0:0}, arg={0:0}, data={5:0}, lb=0, my_dev={5:24}, t1={3:0}, t2={4:0}] [L1699] 1 data->shared.b = lb + 1 VAL [\result={0:0}, __mptr={5:24}, arg={0:0}, arg={0:0}, data={5:0}, lb=0, my_dev={5:24}, t1={3:0}, t2={4:0}] [L1701] 1 return 0; VAL [\result={0:0}, __mptr={5:24}, arg={0:0}, arg={0:0}, data={5:0}, lb=0, my_dev={5:24}, t1={3:0}, t2={4:0}] [L1722] FCALL, JOIN 1 pthread_join(t1, &status) VAL [\read(t1)=-2, \result={0:0}, __mptr={5:24}, arg={0:0}, arg={0:0}, data={5:0}, data={5:0}, data={5:0}, lb=0, my_dev={5:24}, pthread_join(t1, &status)={0:0}, status={7:0}, t1={3:0}, t2={4:0}] [L1723] 0 \read(t2) VAL [\read(t2)=-1, \result={0:0}, __mptr={5:24}, arg={0:0}, arg={0:0}, data={5:0}, data={5:0}, data={5:0}, lb=0, my_dev={5:24}, status={7:0}, t1={3:0}, t2={4:0}] [L1723] FCALL, JOIN 2 pthread_join(t2, &status) VAL [\read(t2)=-1, \result={0:0}, __mptr={5:24}, arg={0:0}, arg={0:0}, data={5:0}, data={5:0}, data={5:0}, lb=0, my_dev={5:24}, pthread_join(t2, &status)={0:0}, status={7:0}, t1={3:0}, t2={4:0}] [L1739] RET 0 my_drv_disconnect(&data) [L1740] EXPR 0 data.shared.a VAL [\result={0:0}, __mptr={5:24}, arg={0:0}, arg={0:0}, data={5:0}, data={5:0}, data.shared.a=1, lb=0, my_dev={5:24}, probe_ret=0, ret=0, t1={3:0}, t2={4:0}] [L1740] CALL 0 ldv_assert(data.shared.a==1) [L1675] COND FALSE 0 !(!expression) VAL [\old(expression)=1, \result={0:0}, __mptr={5:24}, arg={0:0}, arg={0:0}, data={5:0}, expression=1, lb=0, my_dev={5:24}, t1={3:0}, t2={4:0}] [L1740] RET 0 ldv_assert(data.shared.a==1) [L1741] EXPR 0 data.shared.b VAL [\result={0:0}, __mptr={5:24}, arg={0:0}, arg={0:0}, data={5:0}, data={5:0}, data.shared.b=1, lb=0, my_dev={5:24}, probe_ret=0, ret=0, t1={3:0}, t2={4:0}] [L1741] CALL 0 ldv_assert(data.shared.b==2) [L1675] COND TRUE 0 !expression VAL [\old(expression)=0, \result={0:0}, __mptr={5:24}, arg={0:0}, arg={0:0}, data={5:0}, expression=0, lb=0, my_dev={5:24}, t1={3:0}, t2={4:0}] [L1675] 0 reach_error() VAL [\old(expression)=0, \result={0:0}, __mptr={5:24}, arg={0:0}, arg={0:0}, data={5:0}, expression=0, lb=0, my_dev={5:24}, t1={3:0}, t2={4:0}] - UnprovableResult [Line: 1675]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 1675]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 1675]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 1675]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 1675]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 1714]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 1713]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 4 procedures, 190 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 34.5s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 25.5s, 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: 145, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 8.2s InterpolantComputationTime, 887 NumberOfCodeBlocks, 887 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 750 ConstructedInterpolants, 0 QuantifiedInterpolants, 9073 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2023-05-04 19:49:35,413 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2023-05-04 19:49:35,549 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...