/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/bigshot_s.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.dpor-99e0210 [2023-03-23 19:07:31,166 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-23 19:07:31,168 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-23 19:07:31,203 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2023-03-23 19:07:31,256 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-23 19:07:31,256 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-23 19:07:31,257 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-23 19:07:31,258 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-03-23 19:07:31,288 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-23 19:07:31,288 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-23 19:07:31,288 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-23 19:07:31,289 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-23 19:07:31,290 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-23 19:07:31,290 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-23 19:07:31,291 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-03-23 19:07:31,291 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-03-23 19:07:31,291 INFO L138 SettingsManager]: * Use SBE=true [2023-03-23 19:07:31,291 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-23 19:07:31,292 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-23 19:07:31,292 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-23 19:07:31,292 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-23 19:07:31,292 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-23 19:07:31,292 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-23 19:07:31,293 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-23 19:07:31,293 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-23 19:07:31,293 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-23 19:07:31,293 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-23 19:07:31,293 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-23 19:07:31,293 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-23 19:07:31,293 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-23 19:07:31,293 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-03-23 19:07:31,294 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-03-23 19:07:31,294 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-23 19:07:31,294 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-23 19:07:31,294 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-23 19:07:31,294 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-23 19:07:31,295 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-23 19:07:31,295 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-03-23 19:07:31,295 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-23 19:07:31,295 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-03-23 19:07:31,295 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-03-23 19:07:31,295 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-23 19:07:31,295 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-03-23 19:07:31,295 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-03-23 19:07:31,295 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-03-23 19:07:31,508 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-23 19:07:31,525 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-23 19:07:31,527 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-23 19:07:31,528 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-23 19:07:31,528 INFO L275 PluginConnector]: CDTParser initialized [2023-03-23 19:07:31,529 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/bigshot_s.i [2023-03-23 19:07:32,656 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-23 19:07:32,931 INFO L351 CDTParser]: Found 1 translation units. [2023-03-23 19:07:32,931 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/bigshot_s.i [2023-03-23 19:07:32,947 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b16e2443/8ad4ba5c64454b529423ea60e8012f28/FLAGfa4a38581 [2023-03-23 19:07:32,958 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b16e2443/8ad4ba5c64454b529423ea60e8012f28 [2023-03-23 19:07:32,960 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-23 19:07:32,961 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-03-23 19:07:32,962 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-23 19:07:32,962 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-23 19:07:32,965 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-23 19:07:32,966 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.03 07:07:32" (1/1) ... [2023-03-23 19:07:32,967 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20b11169 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 07:07:32, skipping insertion in model container [2023-03-23 19:07:32,967 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.03 07:07:32" (1/1) ... [2023-03-23 19:07:32,973 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-23 19:07:33,019 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-23 19:07:33,534 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/bigshot_s.i[55202,55215] [2023-03-23 19:07:33,557 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-23 19:07:33,567 INFO L203 MainTranslator]: Completed pre-run [2023-03-23 19:07:33,595 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/bigshot_s.i[55202,55215] [2023-03-23 19:07:33,601 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-23 19:07:33,669 INFO L208 MainTranslator]: Completed translation [2023-03-23 19:07:33,669 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 07:07:33 WrapperNode [2023-03-23 19:07:33,669 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-23 19:07:33,670 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-03-23 19:07:33,671 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-03-23 19:07:33,671 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-03-23 19:07:33,677 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 07:07:33" (1/1) ... [2023-03-23 19:07:33,709 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 07:07:33" (1/1) ... [2023-03-23 19:07:33,742 INFO L138 Inliner]: procedures = 323, calls = 33, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 75 [2023-03-23 19:07:33,742 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-03-23 19:07:33,743 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-23 19:07:33,743 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-23 19:07:33,743 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-23 19:07:33,750 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 07:07:33" (1/1) ... [2023-03-23 19:07:33,750 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 07:07:33" (1/1) ... [2023-03-23 19:07:33,762 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 07:07:33" (1/1) ... [2023-03-23 19:07:33,763 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 07:07:33" (1/1) ... [2023-03-23 19:07:33,771 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 07:07:33" (1/1) ... [2023-03-23 19:07:33,773 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 07:07:33" (1/1) ... [2023-03-23 19:07:33,775 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 07:07:33" (1/1) ... [2023-03-23 19:07:33,776 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 07:07:33" (1/1) ... [2023-03-23 19:07:33,778 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-23 19:07:33,779 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-23 19:07:33,780 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-23 19:07:33,780 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-23 19:07:33,780 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 07:07:33" (1/1) ... [2023-03-23 19:07:33,785 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-23 19:07:33,794 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 19:07:33,811 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) [2023-03-23 19:07:33,833 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 [2023-03-23 19:07:33,847 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-03-23 19:07:33,848 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-23 19:07:33,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-03-23 19:07:33,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-23 19:07:33,848 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-03-23 19:07:33,848 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-03-23 19:07:33,848 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-03-23 19:07:33,848 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-03-23 19:07:33,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-23 19:07:33,849 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-03-23 19:07:33,849 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-23 19:07:33,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-23 19:07:33,849 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-23 19:07:33,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-23 19:07:33,850 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-03-23 19:07:34,061 INFO L236 CfgBuilder]: Building ICFG [2023-03-23 19:07:34,062 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-23 19:07:34,234 INFO L277 CfgBuilder]: Performing block encoding [2023-03-23 19:07:34,240 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-23 19:07:34,240 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-03-23 19:07:34,242 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.03 07:07:34 BoogieIcfgContainer [2023-03-23 19:07:34,242 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-23 19:07:34,244 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-03-23 19:07:34,244 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-03-23 19:07:34,247 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-03-23 19:07:34,247 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.03 07:07:32" (1/3) ... [2023-03-23 19:07:34,248 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1564c276 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.03 07:07:34, skipping insertion in model container [2023-03-23 19:07:34,248 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 07:07:33" (2/3) ... [2023-03-23 19:07:34,248 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1564c276 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.03 07:07:34, skipping insertion in model container [2023-03-23 19:07:34,248 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.03 07:07:34" (3/3) ... [2023-03-23 19:07:34,250 INFO L112 eAbstractionObserver]: Analyzing ICFG bigshot_s.i [2023-03-23 19:07:34,257 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-03-23 19:07:34,263 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-03-23 19:07:34,264 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-03-23 19:07:34,264 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-03-23 19:07:34,319 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-03-23 19:07:34,358 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-03-23 19:07:34,358 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-03-23 19:07:34,358 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 19:07:34,363 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) [2023-03-23 19:07:34,368 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 [2023-03-23 19:07:34,396 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-03-23 19:07:34,406 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-03-23 19:07:34,412 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;@63c4ecb2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-03-23 19:07:34,412 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-03-23 19:07:34,551 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-03-23 19:07:34,555 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 19:07:34,555 INFO L85 PathProgramCache]: Analyzing trace with hash 1169717953, now seen corresponding path program 1 times [2023-03-23 19:07:34,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 19:07:34,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [803781808] [2023-03-23 19:07:34,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 19:07:34,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 19:07:34,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 19:07:34,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 19:07:34,881 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 19:07:34,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [803781808] [2023-03-23 19:07:34,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [803781808] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-23 19:07:34,883 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-23 19:07:34,883 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-03-23 19:07:34,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1044252742] [2023-03-23 19:07:34,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-23 19:07:34,891 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-03-23 19:07:34,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 19:07:34,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-03-23 19:07:34,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-03-23 19:07:34,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 19:07:34,918 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 19:07:34,919 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 32.0) internal successors, (64), 2 states have internal predecessors, (64), 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) [2023-03-23 19:07:34,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 19:07:34,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 19:07:34,956 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-03-23 19:07:34,957 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-03-23 19:07:34,958 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 19:07:34,958 INFO L85 PathProgramCache]: Analyzing trace with hash 482123332, now seen corresponding path program 1 times [2023-03-23 19:07:34,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 19:07:34,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [776472729] [2023-03-23 19:07:34,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 19:07:34,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 19:07:35,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 19:07:35,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 19:07:35,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 19:07:35,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [776472729] [2023-03-23 19:07:35,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [776472729] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-23 19:07:35,225 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-23 19:07:35,225 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-03-23 19:07:35,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245070317] [2023-03-23 19:07:35,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-23 19:07:35,226 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-03-23 19:07:35,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 19:07:35,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-03-23 19:07:35,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-03-23 19:07:35,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 19:07:35,228 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 19:07:35,228 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 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) [2023-03-23 19:07:35,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 19:07:35,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 19:07:35,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 19:07:35,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-03-23 19:07:35,302 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-03-23 19:07:35,303 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-03-23 19:07:35,303 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 19:07:35,304 INFO L85 PathProgramCache]: Analyzing trace with hash 2137310458, now seen corresponding path program 1 times [2023-03-23 19:07:35,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 19:07:35,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1794227834] [2023-03-23 19:07:35,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 19:07:35,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 19:07:35,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 19:07:35,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 19:07:35,902 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 19:07:35,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1794227834] [2023-03-23 19:07:35,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1794227834] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-23 19:07:35,903 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-23 19:07:35,903 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-03-23 19:07:35,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557619622] [2023-03-23 19:07:35,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-23 19:07:35,906 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-03-23 19:07:35,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 19:07:35,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-03-23 19:07:35,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2023-03-23 19:07:35,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 19:07:35,908 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 19:07:35,911 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.666666666666667) internal successors, (68), 12 states have internal predecessors, (68), 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) [2023-03-23 19:07:35,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 19:07:35,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-03-23 19:07:35,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 19:07:36,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 19:07:36,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-03-23 19:07:36,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-03-23 19:07:36,139 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-03-23 19:07:36,139 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-03-23 19:07:36,141 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 19:07:36,141 INFO L85 PathProgramCache]: Analyzing trace with hash -1164383402, now seen corresponding path program 1 times [2023-03-23 19:07:36,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 19:07:36,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462084822] [2023-03-23 19:07:36,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 19:07:36,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 19:07:36,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 19:07:36,819 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 19:07:36,819 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 19:07:36,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [462084822] [2023-03-23 19:07:36,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [462084822] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-23 19:07:36,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [63821429] [2023-03-23 19:07:36,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 19:07:36,823 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 19:07:36,823 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 19:07:36,863 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-23 19:07:36,884 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-03-23 19:07:36,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 19:07:36,965 INFO L262 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 44 conjunts are in the unsatisfiable core [2023-03-23 19:07:36,976 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-23 19:07:37,103 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2023-03-23 19:07:37,104 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2023-03-23 19:07:37,149 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-03-23 19:07:37,150 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2023-03-23 19:07:37,206 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2023-03-23 19:07:37,345 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2023-03-23 19:07:37,552 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2023-03-23 19:07:37,553 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 18 [2023-03-23 19:07:37,691 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-03-23 19:07:37,691 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 28 [2023-03-23 19:07:37,843 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 19:07:37,843 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-23 19:07:38,767 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 19:07:38,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [63821429] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-23 19:07:38,767 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-23 19:07:38,768 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 20, 18] total 44 [2023-03-23 19:07:38,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315388851] [2023-03-23 19:07:38,768 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-23 19:07:38,770 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2023-03-23 19:07:38,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 19:07:38,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2023-03-23 19:07:38,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=1737, Unknown=0, NotChecked=0, Total=1892 [2023-03-23 19:07:38,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 19:07:38,774 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 19:07:38,774 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 44 states have (on average 4.318181818181818) internal successors, (190), 44 states have internal predecessors, (190), 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) [2023-03-23 19:07:38,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 19:07:38,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-03-23 19:07:38,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-03-23 19:07:38,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 19:07:41,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 19:07:41,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-03-23 19:07:41,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-03-23 19:07:41,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-03-23 19:07:41,538 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-03-23 19:07:41,728 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2023-03-23 19:07:41,728 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-03-23 19:07:41,729 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 19:07:41,729 INFO L85 PathProgramCache]: Analyzing trace with hash -941487510, now seen corresponding path program 2 times [2023-03-23 19:07:41,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 19:07:41,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618410633] [2023-03-23 19:07:41,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 19:07:41,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 19:07:41,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 19:07:42,497 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 19:07:42,497 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 19:07:42,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [618410633] [2023-03-23 19:07:42,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [618410633] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-23 19:07:42,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [311927318] [2023-03-23 19:07:42,498 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-03-23 19:07:42,498 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 19:07:42,498 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 19:07:42,499 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-23 19:07:42,527 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-03-23 19:07:42,604 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-03-23 19:07:42,604 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-03-23 19:07:42,606 INFO L262 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 40 conjunts are in the unsatisfiable core [2023-03-23 19:07:42,612 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-23 19:07:42,695 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2023-03-23 19:07:42,696 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2023-03-23 19:07:42,758 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2023-03-23 19:07:42,759 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2023-03-23 19:07:42,816 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2023-03-23 19:07:42,883 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-03-23 19:07:42,884 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2023-03-23 19:07:42,980 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2023-03-23 19:07:43,100 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2023-03-23 19:07:43,163 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2023-03-23 19:07:43,223 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2023-03-23 19:07:43,293 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2023-03-23 19:07:43,369 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-03-23 19:07:43,390 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 19:07:43,391 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-23 19:07:43,461 WARN L839 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_117 (Array Int Int))) (< 0 (select (select (store |c_#memory_int| |c_thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest#1.base| v_ArrVal_117) |c_thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src#1.base|) (+ |c_thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset14#1| |c_thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src#1.offset| 1)))) is different from false [2023-03-23 19:07:44,438 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 485 treesize of output 465 [2023-03-23 19:07:44,465 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 41 [2023-03-23 19:07:44,472 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 39 [2023-03-23 19:07:44,480 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 46 [2023-03-23 19:07:44,890 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 8 not checked. [2023-03-23 19:07:44,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [311927318] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-23 19:07:44,890 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-23 19:07:44,890 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 18, 18] total 48 [2023-03-23 19:07:44,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6257270] [2023-03-23 19:07:44,891 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-23 19:07:44,891 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2023-03-23 19:07:44,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 19:07:44,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2023-03-23 19:07:44,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=182, Invalid=1953, Unknown=31, NotChecked=90, Total=2256 [2023-03-23 19:07:44,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 19:07:44,893 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 19:07:44,894 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 48 states have (on average 4.1875) internal successors, (201), 48 states have internal predecessors, (201), 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) [2023-03-23 19:07:44,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 19:07:44,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-03-23 19:07:44,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-03-23 19:07:44,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-03-23 19:07:44,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 19:07:46,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 19:07:46,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-03-23 19:07:46,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-03-23 19:07:46,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-03-23 19:07:46,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-03-23 19:07:46,309 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-03-23 19:07:46,499 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 19:07:46,500 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-03-23 19:07:46,500 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 19:07:46,500 INFO L85 PathProgramCache]: Analyzing trace with hash 1326840006, now seen corresponding path program 3 times [2023-03-23 19:07:46,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 19:07:46,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [88299475] [2023-03-23 19:07:46,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 19:07:46,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 19:07:46,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 19:07:47,233 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 19:07:47,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 19:07:47,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [88299475] [2023-03-23 19:07:47,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [88299475] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-23 19:07:47,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [347008713] [2023-03-23 19:07:47,234 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-03-23 19:07:47,234 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 19:07:47,234 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 19:07:47,237 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-23 19:07:47,240 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-03-23 19:07:47,346 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2023-03-23 19:07:47,346 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-03-23 19:07:47,348 INFO L262 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 61 conjunts are in the unsatisfiable core [2023-03-23 19:07:47,360 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-23 19:07:47,549 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2023-03-23 19:07:47,550 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 33 [2023-03-23 19:07:47,618 INFO L321 Elim1Store]: treesize reduction 8, result has 52.9 percent of original size [2023-03-23 19:07:47,618 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 18 [2023-03-23 19:07:47,682 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2023-03-23 19:07:47,911 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2023-03-23 19:07:48,117 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2023-03-23 19:07:48,117 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 18 [2023-03-23 19:07:48,237 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-03-23 19:07:48,237 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 28 [2023-03-23 19:07:48,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-03-23 19:07:48,317 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-03-23 19:07:48,317 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 28 [2023-03-23 19:07:48,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-03-23 19:07:48,407 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-03-23 19:07:48,407 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 28 [2023-03-23 19:07:48,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-03-23 19:07:48,509 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-03-23 19:07:48,509 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 28 [2023-03-23 19:07:48,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-03-23 19:07:48,606 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-03-23 19:07:48,607 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 28 [2023-03-23 19:07:48,775 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 18 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 19:07:48,775 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-23 19:09:51,532 WARN L839 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_169 Int) (v_ArrVal_167 Int) (|v_thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset14#1_37| Int) (|v_thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset14#1_38| Int) (v_ArrVal_176 Int) (|v_thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset14#1_39| Int) (v_ArrVal_173 Int) (v_ArrVal_171 Int) (|v_thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset14#1_36| Int)) (or (< |v_thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset14#1_37| (+ |v_thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset14#1_38| 1)) (= 66 (select (select (store |c_#memory_int| |c_thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest#1.base| (store (store (store (store (store (select |c_#memory_int| |c_thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest#1.base|) (+ |c_thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset14#1| |c_thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest#1.offset| 1) v_ArrVal_167) (+ |v_thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset14#1_39| |c_thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest#1.offset|) v_ArrVal_169) (+ |v_thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset14#1_38| |c_thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest#1.offset|) v_ArrVal_171) (+ |v_thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset14#1_37| |c_thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest#1.offset|) v_ArrVal_173) (+ |v_thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset14#1_36| |c_thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest#1.offset|) v_ArrVal_176)) c_~v~0.base) c_~v~0.offset)) (< |v_thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset14#1_36| (+ |v_thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset14#1_37| 1)) (< |v_thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset14#1_38| (+ |v_thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset14#1_39| 1)) (< |v_thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset14#1_39| (+ |c_thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset14#1| 2)))) is different from false [2023-03-23 19:10:49,679 WARN L839 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_169 Int) (v_ArrVal_167 Int) (|v_thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset14#1_37| Int) (|v_thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset14#1_38| Int) (v_ArrVal_176 Int) (|v_thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset14#1_39| Int) (v_ArrVal_173 Int) (v_ArrVal_171 Int) (|v_thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset14#1_36| Int)) (or (< |v_thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset14#1_37| (+ |v_thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset14#1_38| 1)) (< |v_thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset14#1_36| (+ |v_thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset14#1_37| 1)) (= (select (select (store |c_#memory_int| |c_thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest#1.base| (store (store (store (store (store (store (select |c_#memory_int| |c_thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest#1.base|) |c_thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest#1.offset| (select (select |c_#memory_int| |c_thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src#1.base|) |c_thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src#1.offset|)) (+ |c_thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest#1.offset| 1) v_ArrVal_167) (+ |v_thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset14#1_39| |c_thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest#1.offset|) v_ArrVal_169) (+ |v_thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset14#1_38| |c_thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest#1.offset|) v_ArrVal_171) (+ |v_thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset14#1_37| |c_thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest#1.offset|) v_ArrVal_173) (+ |v_thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset14#1_36| |c_thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest#1.offset|) v_ArrVal_176)) c_~v~0.base) c_~v~0.offset) 66) (< |v_thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset14#1_38| (+ |v_thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset14#1_39| 1)) (< |v_thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset14#1_39| 2))) is different from false [2023-03-23 19:11:18,001 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-03-23 19:11:18,002 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 734 treesize of output 724 [2023-03-23 19:11:18,078 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5450 treesize of output 5414 [2023-03-23 19:11:18,286 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5040 treesize of output 5010 [2023-03-23 19:11:18,698 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 3808 treesize of output 3806 [2023-03-23 19:11:22,755 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 16 proven. 14 refuted. 16 times theorem prover too weak. 0 trivial. 9 not checked. [2023-03-23 19:11:22,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [347008713] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-23 19:11:22,756 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-23 19:11:22,756 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 26, 27] total 65 [2023-03-23 19:11:22,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767105478] [2023-03-23 19:11:22,756 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-23 19:11:22,756 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 65 states [2023-03-23 19:11:22,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 19:11:22,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2023-03-23 19:11:22,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=307, Invalid=3509, Unknown=98, NotChecked=246, Total=4160 [2023-03-23 19:11:22,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 19:11:22,759 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 19:11:22,760 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 65 states, 65 states have (on average 3.876923076923077) internal successors, (252), 65 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-03-23 19:11:22,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 19:11:22,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-03-23 19:11:22,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-03-23 19:11:22,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-03-23 19:11:22,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-03-23 19:11:22,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 19:12:03,765 WARN L222 SmtUtils]: Spent 39.92s on a formula simplification. DAG size of input: 89 DAG size of output: 79 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-03-23 19:12:20,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 19:12:20,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-03-23 19:12:20,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-03-23 19:12:20,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-03-23 19:12:20,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-03-23 19:12:20,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-03-23 19:12:20,133 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-03-23 19:12:20,329 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 19:12:20,329 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-03-23 19:12:20,329 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 19:12:20,329 INFO L85 PathProgramCache]: Analyzing trace with hash 773494878, now seen corresponding path program 1 times [2023-03-23 19:12:20,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 19:12:20,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488574431] [2023-03-23 19:12:20,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 19:12:20,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 19:12:20,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 19:12:20,398 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 19:12:20,399 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 19:12:20,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1488574431] [2023-03-23 19:12:20,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1488574431] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-23 19:12:20,399 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-23 19:12:20,399 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-03-23 19:12:20,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402073787] [2023-03-23 19:12:20,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-23 19:12:20,400 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-03-23 19:12:20,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 19:12:20,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-03-23 19:12:20,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-03-23 19:12:20,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 19:12:20,401 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 19:12:20,401 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 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) [2023-03-23 19:12:20,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 19:12:20,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-03-23 19:12:20,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-03-23 19:12:20,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2023-03-23 19:12:20,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-03-23 19:12:20,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2023-03-23 19:12:20,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 19:12:21,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 19:12:21,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-03-23 19:12:21,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-03-23 19:12:21,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-03-23 19:12:21,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-03-23 19:12:21,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-03-23 19:12:21,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-03-23 19:12:21,624 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2023-03-23 19:12:21,624 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2023-03-23 19:12:21,625 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2023-03-23 19:12:21,625 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-03-23 19:12:21,628 INFO L445 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1, 1] [2023-03-23 19:12:21,631 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-03-23 19:12:21,631 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-03-23 19:12:21,633 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.03 07:12:21 BasicIcfg [2023-03-23 19:12:21,633 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-03-23 19:12:21,634 INFO L158 Benchmark]: Toolchain (without parser) took 288672.73ms. Allocated memory was 328.2MB in the beginning and 556.8MB in the end (delta: 228.6MB). Free memory was 278.5MB in the beginning and 308.2MB in the end (delta: -29.6MB). Peak memory consumption was 200.2MB. Max. memory is 8.0GB. [2023-03-23 19:12:21,634 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 198.2MB. Free memory is still 146.8MB. There was no memory consumed. Max. memory is 8.0GB. [2023-03-23 19:12:21,634 INFO L158 Benchmark]: CACSL2BoogieTranslator took 707.54ms. Allocated memory is still 328.2MB. Free memory was 278.5MB in the beginning and 246.0MB in the end (delta: 32.5MB). Peak memory consumption was 32.5MB. Max. memory is 8.0GB. [2023-03-23 19:12:21,634 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.82ms. Allocated memory is still 328.2MB. Free memory was 246.0MB in the beginning and 243.6MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-03-23 19:12:21,634 INFO L158 Benchmark]: Boogie Preprocessor took 35.79ms. Allocated memory is still 328.2MB. Free memory was 243.6MB in the beginning and 242.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-03-23 19:12:21,635 INFO L158 Benchmark]: RCFGBuilder took 462.98ms. Allocated memory is still 328.2MB. Free memory was 241.8MB in the beginning and 285.9MB in the end (delta: -44.0MB). Peak memory consumption was 13.8MB. Max. memory is 8.0GB. [2023-03-23 19:12:21,635 INFO L158 Benchmark]: TraceAbstraction took 287389.05ms. Allocated memory was 328.2MB in the beginning and 556.8MB in the end (delta: 228.6MB). Free memory was 284.8MB in the beginning and 308.2MB in the end (delta: -23.3MB). Peak memory consumption was 205.3MB. Max. memory is 8.0GB. [2023-03-23 19:12:21,637 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 198.2MB. Free memory is still 146.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 707.54ms. Allocated memory is still 328.2MB. Free memory was 278.5MB in the beginning and 246.0MB in the end (delta: 32.5MB). Peak memory consumption was 32.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 71.82ms. Allocated memory is still 328.2MB. Free memory was 246.0MB in the beginning and 243.6MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 35.79ms. Allocated memory is still 328.2MB. Free memory was 243.6MB in the beginning and 242.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 462.98ms. Allocated memory is still 328.2MB. Free memory was 241.8MB in the beginning and 285.9MB in the end (delta: -44.0MB). Peak memory consumption was 13.8MB. Max. memory is 8.0GB. * TraceAbstraction took 287389.05ms. Allocated memory was 328.2MB in the beginning and 556.8MB in the end (delta: 228.6MB). Free memory was 284.8MB in the beginning and 308.2MB in the end (delta: -23.3MB). Peak memory consumption was 205.3MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 898, independent: 748, independent conditional: 251, independent unconditional: 497, dependent: 150, dependent conditional: 142, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 763, independent: 748, independent conditional: 251, independent unconditional: 497, dependent: 15, dependent conditional: 7, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 763, independent: 748, independent conditional: 251, independent unconditional: 497, dependent: 15, dependent conditional: 7, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 805, independent: 748, independent conditional: 0, independent unconditional: 748, dependent: 57, dependent conditional: 42, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 805, independent: 748, independent conditional: 0, independent unconditional: 748, dependent: 57, dependent conditional: 23, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 805, independent: 748, independent conditional: 0, independent unconditional: 748, dependent: 57, dependent conditional: 23, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 514, independent: 485, independent conditional: 0, independent unconditional: 485, dependent: 29, dependent conditional: 21, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 514, independent: 484, independent conditional: 0, independent unconditional: 484, dependent: 30, dependent conditional: 0, dependent unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 30, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 29, dependent conditional: 21, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 30, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 29, dependent conditional: 21, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 147, independent: 49, independent conditional: 0, independent unconditional: 49, dependent: 98, dependent conditional: 63, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 805, independent: 263, independent conditional: 0, independent unconditional: 263, dependent: 28, dependent conditional: 2, dependent unconditional: 26, unknown: 514, unknown conditional: 21, unknown unconditional: 493] , Statistics on independence cache: Total cache size (in pairs): 514, Positive cache size: 485, Positive conditional cache size: 0, Positive unconditional cache size: 485, Negative cache size: 29, Negative conditional cache size: 21, Negative unconditional cache size: 8, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 19, Maximal queried relation: 6, Independence queries for same thread: 135 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 132, Number of trivial persistent sets: 132, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 505, independent: 497, independent conditional: 0, independent unconditional: 497, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 898, independent: 748, independent conditional: 251, independent unconditional: 497, dependent: 150, dependent conditional: 142, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 763, independent: 748, independent conditional: 251, independent unconditional: 497, dependent: 15, dependent conditional: 7, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 763, independent: 748, independent conditional: 251, independent unconditional: 497, dependent: 15, dependent conditional: 7, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 805, independent: 748, independent conditional: 0, independent unconditional: 748, dependent: 57, dependent conditional: 42, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 805, independent: 748, independent conditional: 0, independent unconditional: 748, dependent: 57, dependent conditional: 23, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 805, independent: 748, independent conditional: 0, independent unconditional: 748, dependent: 57, dependent conditional: 23, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 514, independent: 485, independent conditional: 0, independent unconditional: 485, dependent: 29, dependent conditional: 21, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 514, independent: 484, independent conditional: 0, independent unconditional: 484, dependent: 30, dependent conditional: 0, dependent unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 30, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 29, dependent conditional: 21, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 30, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 29, dependent conditional: 21, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 147, independent: 49, independent conditional: 0, independent unconditional: 49, dependent: 98, dependent conditional: 63, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 805, independent: 263, independent conditional: 0, independent unconditional: 263, dependent: 28, dependent conditional: 2, dependent unconditional: 26, unknown: 514, unknown conditional: 21, unknown unconditional: 493] , Statistics on independence cache: Total cache size (in pairs): 514, Positive cache size: 485, Positive conditional cache size: 0, Positive unconditional cache size: 485, Negative cache size: 29, Negative conditional cache size: 21, Negative unconditional cache size: 8, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 19, Maximal queried relation: 6, Independence queries for same thread: 135 - PositiveResult [Line: 1107]: 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, 108 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 287.2s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 63.2s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 117, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 222.5s InterpolantComputationTime, 744 NumberOfCodeBlocks, 744 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 975 ConstructedInterpolants, 138 QuantifiedInterpolants, 13776 SizeOfPredicates, 48 NumberOfNonLiveVariables, 699 ConjunctsInSsa, 145 ConjunctsInUnsatCore, 13 InterpolantComputations, 4 PerfectInterpolantSequences, 34/282 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! [2023-03-23 19:12:21,652 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 [2023-03-23 19:12:21,977 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...