/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_ERROR_LOCATION -s ../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.unreachability.of.error.function.in.sv-comp.mode false --cacsl2boogietranslator.pointer.base.address.is.valid.at.dereference ASSERTandASSUME --cacsl2boogietranslator.pointer.to.allocated.memory.at.dereference ASSERTandASSUME --cacsl2boogietranslator.check.array.bounds.for.arrays.that.are.off.heap ASSERTandASSUME --cacsl2boogietranslator.check.if.freed.pointer.was.valid true --cacsl2boogietranslator.adapt.memory.model.on.pointer.casts.if.necessary true -i ../../../trunk/examples/svcomp/pthread/stack_longest-1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.dpor-d6e1636 [2023-01-10 17:24:12,368 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2023-01-10 17:24:12,417 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2023-01-10 17:24:12,430 INFO L113 SettingsManager]: Loading preferences was successful [2023-01-10 17:24:12,430 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-01-10 17:24:12,430 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-01-10 17:24:12,430 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-01-10 17:24:12,431 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-01-10 17:24:12,431 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-01-10 17:24:12,431 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-01-10 17:24:12,431 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-01-10 17:24:12,432 INFO L138 SettingsManager]: * Use SBE=true [2023-01-10 17:24:12,432 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-01-10 17:24:12,432 INFO L138 SettingsManager]: * sizeof long=4 [2023-01-10 17:24:12,432 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-01-10 17:24:12,432 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-01-10 17:24:12,432 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-01-10 17:24:12,432 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-01-10 17:24:12,432 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-01-10 17:24:12,432 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-01-10 17:24:12,432 INFO L138 SettingsManager]: * sizeof long double=12 [2023-01-10 17:24:12,432 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-01-10 17:24:12,433 INFO L138 SettingsManager]: * Use constant arrays=true [2023-01-10 17:24:12,433 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-01-10 17:24:12,433 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-01-10 17:24:12,433 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-01-10 17:24:12,433 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-01-10 17:24:12,433 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-01-10 17:24:12,433 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-01-10 17:24:12,433 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-01-10 17:24:12,433 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-01-10 17:24:12,434 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-01-10 17:24:12,434 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-01-10 17:24:12,434 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-01-10 17:24:12,434 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-01-10 17:24:12,434 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-01-10 17:24:12,434 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-01-10 17:24:12,434 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2023-01-10 17:24:12,434 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Pointer base address is valid at dereference -> ASSERTandASSUME Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Pointer to allocated memory at dereference -> ASSERTandASSUME Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check array bounds for arrays that are off heap -> ASSERTandASSUME Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check if freed pointer was valid -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Adapt memory model on pointer casts if necessary -> true [2023-01-10 17:24:12,616 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-01-10 17:24:12,641 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-01-10 17:24:12,642 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-01-10 17:24:12,643 INFO L271 PluginConnector]: Initializing CDTParser... [2023-01-10 17:24:12,643 INFO L275 PluginConnector]: CDTParser initialized [2023-01-10 17:24:12,644 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/stack_longest-1.i [2023-01-10 17:24:13,537 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-01-10 17:24:13,748 INFO L351 CDTParser]: Found 1 translation units. [2023-01-10 17:24:13,750 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/stack_longest-1.i [2023-01-10 17:24:13,767 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5892e2d0f/bcba706a3ff84687bf17e54d3796e286/FLAGae2791786 [2023-01-10 17:24:13,775 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5892e2d0f/bcba706a3ff84687bf17e54d3796e286 [2023-01-10 17:24:13,777 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-01-10 17:24:13,778 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-01-10 17:24:13,779 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-01-10 17:24:13,781 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-01-10 17:24:13,783 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-01-10 17:24:13,784 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 05:24:13" (1/1) ... [2023-01-10 17:24:13,784 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f5b251c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:24:13, skipping insertion in model container [2023-01-10 17:24:13,784 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 05:24:13" (1/1) ... [2023-01-10 17:24:13,789 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-01-10 17:24:13,819 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-01-10 17:24:14,089 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/stack_longest-1.i[41530,41543] [2023-01-10 17:24:14,107 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-01-10 17:24:14,116 INFO L203 MainTranslator]: Completed pre-run [2023-01-10 17:24:14,151 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/stack_longest-1.i[41530,41543] [2023-01-10 17:24:14,166 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-01-10 17:24:14,210 INFO L208 MainTranslator]: Completed translation [2023-01-10 17:24:14,210 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:24:14 WrapperNode [2023-01-10 17:24:14,210 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-01-10 17:24:14,211 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-01-10 17:24:14,211 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-01-10 17:24:14,211 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-01-10 17:24:14,215 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:24:14" (1/1) ... [2023-01-10 17:24:14,230 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:24:14" (1/1) ... [2023-01-10 17:24:14,246 INFO L138 Inliner]: procedures = 277, calls = 39, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 156 [2023-01-10 17:24:14,246 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-01-10 17:24:14,246 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-01-10 17:24:14,246 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-01-10 17:24:14,247 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-01-10 17:24:14,252 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:24:14" (1/1) ... [2023-01-10 17:24:14,252 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:24:14" (1/1) ... [2023-01-10 17:24:14,254 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:24:14" (1/1) ... [2023-01-10 17:24:14,255 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:24:14" (1/1) ... [2023-01-10 17:24:14,259 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:24:14" (1/1) ... [2023-01-10 17:24:14,261 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:24:14" (1/1) ... [2023-01-10 17:24:14,262 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:24:14" (1/1) ... [2023-01-10 17:24:14,263 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:24:14" (1/1) ... [2023-01-10 17:24:14,265 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-01-10 17:24:14,266 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-01-10 17:24:14,266 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-01-10 17:24:14,266 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-01-10 17:24:14,266 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:24:14" (1/1) ... [2023-01-10 17:24:14,270 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-01-10 17:24:14,278 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-10 17:24:14,292 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) [2023-01-10 17:24:14,302 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 [2023-01-10 17:24:14,320 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-01-10 17:24:14,320 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-01-10 17:24:14,321 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-01-10 17:24:14,321 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-01-10 17:24:14,321 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-01-10 17:24:14,321 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-01-10 17:24:14,321 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-01-10 17:24:14,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-01-10 17:24:14,321 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-01-10 17:24:14,321 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-01-10 17:24:14,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-01-10 17:24:14,321 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-01-10 17:24:14,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-01-10 17:24:14,322 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-01-10 17:24:14,439 INFO L236 CfgBuilder]: Building ICFG [2023-01-10 17:24:14,444 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-01-10 17:24:14,655 INFO L277 CfgBuilder]: Performing block encoding [2023-01-10 17:24:14,663 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-01-10 17:24:14,663 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-01-10 17:24:14,664 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 05:24:14 BoogieIcfgContainer [2023-01-10 17:24:14,664 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-01-10 17:24:14,668 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-01-10 17:24:14,668 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-01-10 17:24:14,670 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-01-10 17:24:14,670 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 05:24:13" (1/3) ... [2023-01-10 17:24:14,671 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a053848 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 05:24:14, skipping insertion in model container [2023-01-10 17:24:14,671 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:24:14" (2/3) ... [2023-01-10 17:24:14,671 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a053848 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 05:24:14, skipping insertion in model container [2023-01-10 17:24:14,671 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 05:24:14" (3/3) ... [2023-01-10 17:24:14,672 INFO L112 eAbstractionObserver]: Analyzing ICFG stack_longest-1.i [2023-01-10 17:24:14,677 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-01-10 17:24:14,683 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-01-10 17:24:14,683 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 12 error locations. [2023-01-10 17:24:14,683 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-01-10 17:24:14,755 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-01-10 17:24:14,795 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-10 17:24:14,795 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-01-10 17:24:14,795 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-10 17:24:14,796 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) [2023-01-10 17:24:14,797 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 [2023-01-10 17:24:14,820 INFO L164 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-01-10 17:24:14,825 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE ======== [2023-01-10 17:24:14,829 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;@34e1e839, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-10 17:24:14,829 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-10 17:24:14,848 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE] === [2023-01-10 17:24:14,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-10 17:24:14,852 INFO L85 PathProgramCache]: Analyzing trace with hash -13850369, now seen corresponding path program 1 times [2023-01-10 17:24:14,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-10 17:24:14,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594695027] [2023-01-10 17:24:14,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 17:24:14,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-10 17:24:14,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 17:24:15,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-10 17:24:15,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-10 17:24:15,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [594695027] [2023-01-10 17:24:15,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [594695027] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-10 17:24:15,105 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-10 17:24:15,105 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-01-10 17:24:15,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874646698] [2023-01-10 17:24:15,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-10 17:24:15,110 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-01-10 17:24:15,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-10 17:24:15,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-01-10 17:24:15,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-01-10 17:24:15,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 17:24:15,126 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-10 17:24:15,128 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 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) [2023-01-10 17:24:15,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 17:24:15,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-01-10 17:24:15,151 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (0 of 1 remaining) [2023-01-10 17:24:15,151 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-01-10 17:24:15,160 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-01-10 17:24:15,162 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE was SAFE (1/18) [2023-01-10 17:24:15,166 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-10 17:24:15,166 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-01-10 17:24:15,166 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-10 17:24:15,213 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-01-10 17:24:15,215 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2023-01-10 17:24:15,218 INFO L164 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-01-10 17:24:15,218 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE ======== [2023-01-10 17:24:15,218 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;@34e1e839, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-10 17:24:15,219 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-10 17:24:15,224 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE] === [2023-01-10 17:24:15,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-10 17:24:15,224 INFO L85 PathProgramCache]: Analyzing trace with hash -13850368, now seen corresponding path program 1 times [2023-01-10 17:24:15,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-10 17:24:15,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708531967] [2023-01-10 17:24:15,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 17:24:15,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-10 17:24:15,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 17:24:15,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-10 17:24:15,377 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-10 17:24:15,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708531967] [2023-01-10 17:24:15,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [708531967] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-10 17:24:15,377 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-10 17:24:15,377 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-01-10 17:24:15,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696400387] [2023-01-10 17:24:15,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-10 17:24:15,378 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-01-10 17:24:15,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-10 17:24:15,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-01-10 17:24:15,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-01-10 17:24:15,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 17:24:15,379 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-10 17:24:15,379 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 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) [2023-01-10 17:24:15,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 17:24:15,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-01-10 17:24:15,397 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (0 of 1 remaining) [2023-01-10 17:24:15,397 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-01-10 17:24:15,400 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-01-10 17:24:15,400 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE was SAFE (2/18) [2023-01-10 17:24:15,403 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-10 17:24:15,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-01-10 17:24:15,404 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-10 17:24:15,408 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-01-10 17:24:15,409 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Waiting until timeout for monitored process [2023-01-10 17:24:15,414 INFO L164 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-01-10 17:24:15,414 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE ======== [2023-01-10 17:24:15,415 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;@34e1e839, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-10 17:24:15,415 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-10 17:24:15,423 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE] === [2023-01-10 17:24:15,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-10 17:24:15,424 INFO L85 PathProgramCache]: Analyzing trace with hash -550741661, now seen corresponding path program 1 times [2023-01-10 17:24:15,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-10 17:24:15,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564234325] [2023-01-10 17:24:15,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 17:24:15,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-10 17:24:15,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 17:24:15,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-10 17:24:15,496 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-10 17:24:15,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564234325] [2023-01-10 17:24:15,496 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [564234325] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-10 17:24:15,496 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-10 17:24:15,496 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-01-10 17:24:15,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497439660] [2023-01-10 17:24:15,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-10 17:24:15,497 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-01-10 17:24:15,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-10 17:24:15,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-01-10 17:24:15,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-01-10 17:24:15,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 17:24:15,498 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-10 17:24:15,498 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 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) [2023-01-10 17:24:15,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 17:24:15,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-01-10 17:24:15,615 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (0 of 1 remaining) [2023-01-10 17:24:15,615 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-01-10 17:24:15,616 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-01-10 17:24:15,617 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE was SAFE (3/18) [2023-01-10 17:24:15,619 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-10 17:24:15,619 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-01-10 17:24:15,619 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-10 17:24:15,621 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-01-10 17:24:15,622 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (5)] Waiting until timeout for monitored process [2023-01-10 17:24:15,628 INFO L164 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-01-10 17:24:15,628 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE ======== [2023-01-10 17:24:15,629 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;@34e1e839, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-10 17:24:15,629 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-10 17:24:15,632 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE] === [2023-01-10 17:24:15,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-10 17:24:15,633 INFO L85 PathProgramCache]: Analyzing trace with hash -550741660, now seen corresponding path program 1 times [2023-01-10 17:24:15,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-10 17:24:15,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842699488] [2023-01-10 17:24:15,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 17:24:15,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-10 17:24:15,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 17:24:15,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-10 17:24:15,691 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-10 17:24:15,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1842699488] [2023-01-10 17:24:15,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1842699488] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-10 17:24:15,692 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-10 17:24:15,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-01-10 17:24:15,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298557008] [2023-01-10 17:24:15,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-10 17:24:15,692 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-01-10 17:24:15,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-10 17:24:15,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-01-10 17:24:15,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-01-10 17:24:15,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 17:24:15,693 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-10 17:24:15,693 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 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) [2023-01-10 17:24:15,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 17:24:15,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-01-10 17:24:15,790 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (0 of 1 remaining) [2023-01-10 17:24:15,790 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-01-10 17:24:15,791 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-01-10 17:24:15,791 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE was SAFE (4/18) [2023-01-10 17:24:15,793 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-10 17:24:15,793 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-01-10 17:24:15,793 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-10 17:24:15,796 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-01-10 17:24:15,797 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (6)] Waiting until timeout for monitored process [2023-01-10 17:24:15,799 INFO L164 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-01-10 17:24:15,799 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE ======== [2023-01-10 17:24:15,799 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;@34e1e839, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-10 17:24:15,799 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-10 17:24:15,802 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE] === [2023-01-10 17:24:15,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-10 17:24:15,802 INFO L85 PathProgramCache]: Analyzing trace with hash 1436653831, now seen corresponding path program 1 times [2023-01-10 17:24:15,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-10 17:24:15,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1822667204] [2023-01-10 17:24:15,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 17:24:15,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-10 17:24:15,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 17:24:15,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-10 17:24:15,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-10 17:24:15,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1822667204] [2023-01-10 17:24:15,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1822667204] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-10 17:24:15,830 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-10 17:24:15,830 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-01-10 17:24:15,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746162649] [2023-01-10 17:24:15,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-10 17:24:15,830 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-01-10 17:24:15,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-10 17:24:15,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-01-10 17:24:15,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-01-10 17:24:15,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 17:24:15,831 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-10 17:24:15,831 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 18.5) internal successors, (37), 3 states have internal predecessors, (37), 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) [2023-01-10 17:24:15,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 17:24:16,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-01-10 17:24:16,447 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (0 of 1 remaining) [2023-01-10 17:24:16,448 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-01-10 17:24:16,452 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-01-10 17:24:16,453 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE was SAFE (5/18) [2023-01-10 17:24:16,455 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-10 17:24:16,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-01-10 17:24:16,455 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-10 17:24:16,457 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-01-10 17:24:16,458 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (7)] Waiting until timeout for monitored process [2023-01-10 17:24:16,462 INFO L164 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-01-10 17:24:16,462 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE ======== [2023-01-10 17:24:16,462 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;@34e1e839, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-10 17:24:16,462 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-10 17:24:16,464 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE] === [2023-01-10 17:24:16,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-10 17:24:16,464 INFO L85 PathProgramCache]: Analyzing trace with hash 1436653832, now seen corresponding path program 1 times [2023-01-10 17:24:16,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-10 17:24:16,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785767384] [2023-01-10 17:24:16,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 17:24:16,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-10 17:24:16,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 17:24:16,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-10 17:24:16,534 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-10 17:24:16,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [785767384] [2023-01-10 17:24:16,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [785767384] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-10 17:24:16,534 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-10 17:24:16,534 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-01-10 17:24:16,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953469253] [2023-01-10 17:24:16,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-10 17:24:16,535 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-01-10 17:24:16,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-10 17:24:16,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-01-10 17:24:16,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-01-10 17:24:16,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 17:24:16,539 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-10 17:24:16,539 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 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) [2023-01-10 17:24:16,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 17:24:17,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-01-10 17:24:17,127 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (0 of 1 remaining) [2023-01-10 17:24:17,127 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-01-10 17:24:17,130 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-01-10 17:24:17,130 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE was SAFE (6/18) [2023-01-10 17:24:17,132 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-10 17:24:17,132 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-01-10 17:24:17,132 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-10 17:24:17,134 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-01-10 17:24:17,135 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (8)] Waiting until timeout for monitored process [2023-01-10 17:24:17,137 INFO L164 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-01-10 17:24:17,137 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE ======== [2023-01-10 17:24:17,138 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;@34e1e839, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-10 17:24:17,138 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-10 17:24:17,260 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE] === [2023-01-10 17:24:17,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-10 17:24:17,261 INFO L85 PathProgramCache]: Analyzing trace with hash 2111564716, now seen corresponding path program 1 times [2023-01-10 17:24:17,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-10 17:24:17,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451037005] [2023-01-10 17:24:17,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 17:24:17,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-10 17:24:17,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 17:24:17,377 INFO L134 CoverageAnalysis]: Checked inductivity of 485 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 429 trivial. 0 not checked. [2023-01-10 17:24:17,377 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-10 17:24:17,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [451037005] [2023-01-10 17:24:17,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [451037005] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-10 17:24:17,377 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-10 17:24:17,377 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-01-10 17:24:17,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605048073] [2023-01-10 17:24:17,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-10 17:24:17,378 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-01-10 17:24:17,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-10 17:24:17,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-01-10 17:24:17,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-01-10 17:24:17,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 17:24:17,378 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-10 17:24:17,379 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 71.0) internal successors, (142), 2 states have internal predecessors, (142), 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) [2023-01-10 17:24:17,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 17:24:17,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 17:24:17,424 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-01-10 17:24:17,424 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE] === [2023-01-10 17:24:17,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-10 17:24:17,424 INFO L85 PathProgramCache]: Analyzing trace with hash -361520049, now seen corresponding path program 1 times [2023-01-10 17:24:17,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-10 17:24:17,425 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198739038] [2023-01-10 17:24:17,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 17:24:17,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-10 17:24:17,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 17:24:17,562 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 344 trivial. 0 not checked. [2023-01-10 17:24:17,563 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-10 17:24:17,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1198739038] [2023-01-10 17:24:17,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1198739038] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-10 17:24:17,563 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-10 17:24:17,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-01-10 17:24:17,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1138534126] [2023-01-10 17:24:17,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-10 17:24:17,565 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-01-10 17:24:17,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-10 17:24:17,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-01-10 17:24:17,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-01-10 17:24:17,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 17:24:17,567 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-10 17:24:17,568 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-10 17:24:17,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 17:24:17,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 17:24:17,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 17:24:17,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-01-10 17:24:17,646 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-01-10 17:24:17,646 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE] === [2023-01-10 17:24:17,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-10 17:24:17,647 INFO L85 PathProgramCache]: Analyzing trace with hash 1889934901, now seen corresponding path program 1 times [2023-01-10 17:24:17,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-10 17:24:17,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [507771755] [2023-01-10 17:24:17,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 17:24:17,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-10 17:24:17,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 17:24:17,912 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 197 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2023-01-10 17:24:17,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-10 17:24:17,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [507771755] [2023-01-10 17:24:17,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [507771755] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-10 17:24:17,913 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-10 17:24:17,913 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-01-10 17:24:17,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227468734] [2023-01-10 17:24:17,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-10 17:24:17,914 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-01-10 17:24:17,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-10 17:24:17,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-01-10 17:24:17,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-01-10 17:24:17,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 17:24:17,914 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-10 17:24:17,914 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 3 states have internal predecessors, (179), 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) [2023-01-10 17:24:17,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 17:24:17,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-01-10 17:24:17,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 17:24:17,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 17:24:17,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-01-10 17:24:17,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-01-10 17:24:17,946 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-01-10 17:24:17,946 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE] === [2023-01-10 17:24:17,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-10 17:24:17,946 INFO L85 PathProgramCache]: Analyzing trace with hash 1721935478, now seen corresponding path program 1 times [2023-01-10 17:24:17,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-10 17:24:17,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536050656] [2023-01-10 17:24:17,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 17:24:17,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-10 17:24:17,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 17:24:18,061 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 11 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-10 17:24:18,062 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-10 17:24:18,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1536050656] [2023-01-10 17:24:18,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1536050656] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-10 17:24:18,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [530806905] [2023-01-10 17:24:18,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 17:24:18,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-10 17:24:18,065 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-10 17:24:18,067 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-01-10 17:24:18,068 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-01-10 17:24:18,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 17:24:18,188 INFO L263 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 3 conjunts are in the unsatisfiable core [2023-01-10 17:24:18,195 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-10 17:24:18,359 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-01-10 17:24:18,360 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-01-10 17:24:18,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [530806905] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-10 17:24:18,360 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-01-10 17:24:18,360 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2023-01-10 17:24:18,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239283582] [2023-01-10 17:24:18,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-10 17:24:18,361 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-01-10 17:24:18,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-10 17:24:18,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-01-10 17:24:18,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-01-10 17:24:18,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 17:24:18,362 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-10 17:24:18,362 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 55.0) internal successors, (110), 3 states have internal predecessors, (110), 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) [2023-01-10 17:24:18,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 17:24:18,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-01-10 17:24:18,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-01-10 17:24:18,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 17:24:18,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 17:24:18,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-01-10 17:24:18,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-01-10 17:24:18,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-01-10 17:24:18,819 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (0 of 1 remaining) [2023-01-10 17:24:18,827 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-01-10 17:24:19,023 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-01-10 17:24:19,025 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-01-10 17:24:19,025 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE was SAFE (7/18) [2023-01-10 17:24:19,026 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-10 17:24:19,026 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-01-10 17:24:19,027 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-10 17:24:19,029 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-01-10 17:24:19,031 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (10)] Waiting until timeout for monitored process [2023-01-10 17:24:19,034 INFO L164 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-01-10 17:24:19,034 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE ======== [2023-01-10 17:24:19,034 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;@34e1e839, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-10 17:24:19,034 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-10 17:24:19,138 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE] === [2023-01-10 17:24:19,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-10 17:24:19,139 INFO L85 PathProgramCache]: Analyzing trace with hash 2111564717, now seen corresponding path program 1 times [2023-01-10 17:24:19,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-10 17:24:19,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541939732] [2023-01-10 17:24:19,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 17:24:19,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-10 17:24:19,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 17:24:19,258 INFO L134 CoverageAnalysis]: Checked inductivity of 485 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 429 trivial. 0 not checked. [2023-01-10 17:24:19,259 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-10 17:24:19,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541939732] [2023-01-10 17:24:19,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [541939732] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-10 17:24:19,259 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-10 17:24:19,259 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-01-10 17:24:19,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439130089] [2023-01-10 17:24:19,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-10 17:24:19,259 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-01-10 17:24:19,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-10 17:24:19,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-01-10 17:24:19,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-01-10 17:24:19,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 17:24:19,260 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-10 17:24:19,260 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 71.0) internal successors, (142), 2 states have internal predecessors, (142), 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) [2023-01-10 17:24:19,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 17:24:19,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 17:24:19,297 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-01-10 17:24:19,297 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE] === [2023-01-10 17:24:19,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-10 17:24:19,299 INFO L85 PathProgramCache]: Analyzing trace with hash -361520048, now seen corresponding path program 1 times [2023-01-10 17:24:19,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-10 17:24:19,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1752755772] [2023-01-10 17:24:19,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 17:24:19,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-10 17:24:19,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 17:24:19,407 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 344 trivial. 0 not checked. [2023-01-10 17:24:19,407 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-10 17:24:19,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1752755772] [2023-01-10 17:24:19,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1752755772] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-10 17:24:19,408 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-10 17:24:19,408 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-01-10 17:24:19,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126774344] [2023-01-10 17:24:19,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-10 17:24:19,408 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-01-10 17:24:19,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-10 17:24:19,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-01-10 17:24:19,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-01-10 17:24:19,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 17:24:19,409 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-10 17:24:19,409 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-10 17:24:19,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 17:24:19,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 17:24:19,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 17:24:19,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-01-10 17:24:19,457 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-01-10 17:24:19,457 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE] === [2023-01-10 17:24:19,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-10 17:24:19,457 INFO L85 PathProgramCache]: Analyzing trace with hash 1889934902, now seen corresponding path program 1 times [2023-01-10 17:24:19,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-10 17:24:19,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136300816] [2023-01-10 17:24:19,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 17:24:19,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-10 17:24:19,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 17:24:19,646 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 197 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2023-01-10 17:24:19,647 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-10 17:24:19,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136300816] [2023-01-10 17:24:19,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [136300816] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-10 17:24:19,647 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-10 17:24:19,647 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-01-10 17:24:19,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085269354] [2023-01-10 17:24:19,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-10 17:24:19,647 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-01-10 17:24:19,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-10 17:24:19,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-01-10 17:24:19,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-01-10 17:24:19,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 17:24:19,648 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-10 17:24:19,649 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 3 states have internal predecessors, (179), 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) [2023-01-10 17:24:19,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 17:24:19,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-01-10 17:24:19,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 17:24:19,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 17:24:19,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-01-10 17:24:19,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-01-10 17:24:19,678 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-01-10 17:24:19,678 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE] === [2023-01-10 17:24:19,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-10 17:24:19,679 INFO L85 PathProgramCache]: Analyzing trace with hash 1721935479, now seen corresponding path program 1 times [2023-01-10 17:24:19,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-10 17:24:19,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1144193116] [2023-01-10 17:24:19,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 17:24:19,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-10 17:24:19,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 17:24:19,792 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 11 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-10 17:24:19,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-10 17:24:19,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1144193116] [2023-01-10 17:24:19,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1144193116] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-10 17:24:19,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [337737631] [2023-01-10 17:24:19,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 17:24:19,793 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-10 17:24:19,793 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-10 17:24:19,799 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-01-10 17:24:19,800 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-01-10 17:24:19,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 17:24:19,922 INFO L263 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 3 conjunts are in the unsatisfiable core [2023-01-10 17:24:19,931 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-10 17:24:20,275 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-01-10 17:24:20,275 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-01-10 17:24:20,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [337737631] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-10 17:24:20,275 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-01-10 17:24:20,275 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2023-01-10 17:24:20,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243930266] [2023-01-10 17:24:20,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-10 17:24:20,277 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-01-10 17:24:20,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-10 17:24:20,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-01-10 17:24:20,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-01-10 17:24:20,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 17:24:20,278 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-10 17:24:20,278 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 36.666666666666664) internal successors, (110), 4 states have internal predecessors, (110), 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) [2023-01-10 17:24:20,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 17:24:20,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-01-10 17:24:20,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-01-10 17:24:20,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 17:24:20,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 17:24:20,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-01-10 17:24:20,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-01-10 17:24:20,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-01-10 17:24:20,738 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (0 of 1 remaining) [2023-01-10 17:24:20,742 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-01-10 17:24:20,941 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2023-01-10 17:24:20,943 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-01-10 17:24:20,943 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE was SAFE (8/18) [2023-01-10 17:24:20,944 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-10 17:24:20,945 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-01-10 17:24:20,945 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-10 17:24:20,946 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-01-10 17:24:20,948 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (12)] Waiting until timeout for monitored process [2023-01-10 17:24:20,950 INFO L164 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-01-10 17:24:20,950 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2023-01-10 17:24:20,950 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;@34e1e839, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-10 17:24:20,951 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-10 17:24:20,951 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-01-10 17:24:20,952 INFO L445 BasicCegarLoop]: Path program histogram: [] [2023-01-10 17:24:20,952 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (9/18) [2023-01-10 17:24:20,953 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-10 17:24:20,953 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-01-10 17:24:20,954 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-10 17:24:20,958 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-01-10 17:24:20,959 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (13)] Waiting until timeout for monitored process [2023-01-10 17:24:20,961 INFO L164 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-01-10 17:24:20,961 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2023-01-10 17:24:20,962 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;@34e1e839, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-10 17:24:20,962 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-10 17:24:21,000 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-01-10 17:24:21,001 INFO L445 BasicCegarLoop]: Path program histogram: [] [2023-01-10 17:24:21,001 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (10/18) [2023-01-10 17:24:21,002 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-10 17:24:21,002 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-01-10 17:24:21,003 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-10 17:24:21,006 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-01-10 17:24:21,007 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (14)] Waiting until timeout for monitored process [2023-01-10 17:24:21,009 INFO L164 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-01-10 17:24:21,009 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE ======== [2023-01-10 17:24:21,009 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;@34e1e839, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-10 17:24:21,010 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-10 17:24:21,010 WARN L125 DepthFirstTraversal]: Depth first traversal did not find any initial state. Returning directly. [2023-01-10 17:24:21,010 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (0 of 1 remaining) [2023-01-10 17:24:21,010 INFO L445 BasicCegarLoop]: Path program histogram: [] [2023-01-10 17:24:21,010 INFO L307 ceAbstractionStarter]: Result for error location t1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE was SAFE (11/18) [2023-01-10 17:24:21,012 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-10 17:24:21,012 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-01-10 17:24:21,012 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-10 17:24:21,019 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-01-10 17:24:21,024 INFO L164 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-01-10 17:24:21,024 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE ======== [2023-01-10 17:24:21,024 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;@34e1e839, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-10 17:24:21,024 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-10 17:24:21,024 WARN L125 DepthFirstTraversal]: Depth first traversal did not find any initial state. Returning directly. [2023-01-10 17:24:21,025 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (0 of 1 remaining) [2023-01-10 17:24:21,025 INFO L445 BasicCegarLoop]: Path program histogram: [] [2023-01-10 17:24:21,025 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (15)] Waiting until timeout for monitored process [2023-01-10 17:24:21,025 INFO L307 ceAbstractionStarter]: Result for error location t1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE was SAFE (12/18) [2023-01-10 17:24:21,027 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-10 17:24:21,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-01-10 17:24:21,027 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-10 17:24:21,030 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-01-10 17:24:21,041 INFO L164 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-01-10 17:24:21,041 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE ======== [2023-01-10 17:24:21,042 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;@34e1e839, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-10 17:24:21,042 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-10 17:24:21,042 WARN L125 DepthFirstTraversal]: Depth first traversal did not find any initial state. Returning directly. [2023-01-10 17:24:21,042 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (0 of 1 remaining) [2023-01-10 17:24:21,042 INFO L445 BasicCegarLoop]: Path program histogram: [] [2023-01-10 17:24:21,043 INFO L307 ceAbstractionStarter]: Result for error location t2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE was SAFE (13/18) [2023-01-10 17:24:21,044 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-10 17:24:21,044 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-01-10 17:24:21,044 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-10 17:24:21,044 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (16)] Waiting until timeout for monitored process [2023-01-10 17:24:21,047 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-01-10 17:24:21,048 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (17)] Waiting until timeout for monitored process [2023-01-10 17:24:21,050 INFO L164 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-01-10 17:24:21,050 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE ======== [2023-01-10 17:24:21,050 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;@34e1e839, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-10 17:24:21,050 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-10 17:24:21,050 WARN L125 DepthFirstTraversal]: Depth first traversal did not find any initial state. Returning directly. [2023-01-10 17:24:21,050 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (0 of 1 remaining) [2023-01-10 17:24:21,051 INFO L445 BasicCegarLoop]: Path program histogram: [] [2023-01-10 17:24:21,051 INFO L307 ceAbstractionStarter]: Result for error location t2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE was SAFE (14/18) [2023-01-10 17:24:21,052 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-10 17:24:21,052 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-01-10 17:24:21,052 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-10 17:24:21,055 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-01-10 17:24:21,064 INFO L164 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-01-10 17:24:21,065 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE ======== [2023-01-10 17:24:21,065 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;@34e1e839, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-10 17:24:21,065 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-10 17:24:21,084 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (18)] Waiting until timeout for monitored process [2023-01-10 17:24:21,153 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE] === [2023-01-10 17:24:21,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-10 17:24:21,153 INFO L85 PathProgramCache]: Analyzing trace with hash -720674818, now seen corresponding path program 1 times [2023-01-10 17:24:21,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-10 17:24:21,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1020356089] [2023-01-10 17:24:21,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 17:24:21,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-10 17:24:21,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 17:24:21,185 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2023-01-10 17:24:21,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-10 17:24:21,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1020356089] [2023-01-10 17:24:21,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1020356089] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-10 17:24:21,185 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-10 17:24:21,185 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-01-10 17:24:21,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161583775] [2023-01-10 17:24:21,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-10 17:24:21,186 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-01-10 17:24:21,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-10 17:24:21,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-01-10 17:24:21,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-01-10 17:24:21,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 17:24:21,186 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-10 17:24:21,186 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 60.5) internal successors, (121), 2 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-10 17:24:21,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 17:24:21,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 17:24:21,245 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-01-10 17:24:21,245 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE] === [2023-01-10 17:24:21,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-10 17:24:21,245 INFO L85 PathProgramCache]: Analyzing trace with hash -587678249, now seen corresponding path program 1 times [2023-01-10 17:24:21,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-10 17:24:21,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [313199029] [2023-01-10 17:24:21,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 17:24:21,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-10 17:24:21,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 17:24:21,312 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2023-01-10 17:24:21,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-10 17:24:21,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [313199029] [2023-01-10 17:24:21,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [313199029] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-10 17:24:21,313 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-10 17:24:21,313 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-01-10 17:24:21,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [835215819] [2023-01-10 17:24:21,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-10 17:24:21,313 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-01-10 17:24:21,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-10 17:24:21,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-01-10 17:24:21,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-01-10 17:24:21,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 17:24:21,314 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-10 17:24:21,314 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 states have internal predecessors, (122), 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) [2023-01-10 17:24:21,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 17:24:21,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 17:24:21,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 17:24:21,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-01-10 17:24:21,420 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-01-10 17:24:21,420 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE] === [2023-01-10 17:24:21,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-10 17:24:21,420 INFO L85 PathProgramCache]: Analyzing trace with hash 1358859977, now seen corresponding path program 1 times [2023-01-10 17:24:21,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-10 17:24:21,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184031025] [2023-01-10 17:24:21,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 17:24:21,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-10 17:24:21,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 17:24:21,544 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2023-01-10 17:24:21,544 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-10 17:24:21,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [184031025] [2023-01-10 17:24:21,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [184031025] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-10 17:24:21,545 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-10 17:24:21,545 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-01-10 17:24:21,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426248088] [2023-01-10 17:24:21,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-10 17:24:21,545 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-01-10 17:24:21,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-10 17:24:21,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-01-10 17:24:21,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-01-10 17:24:21,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 17:24:21,546 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-10 17:24:21,546 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 3 states have internal predecessors, (157), 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) [2023-01-10 17:24:21,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 17:24:21,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-01-10 17:24:21,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 17:24:21,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 17:24:21,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-01-10 17:24:21,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-01-10 17:24:21,576 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-01-10 17:24:21,577 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE] === [2023-01-10 17:24:21,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-10 17:24:21,577 INFO L85 PathProgramCache]: Analyzing trace with hash 592889459, now seen corresponding path program 1 times [2023-01-10 17:24:21,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-10 17:24:21,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [858292818] [2023-01-10 17:24:21,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 17:24:21,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-10 17:24:21,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 17:24:21,695 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 11 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-10 17:24:21,695 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-10 17:24:21,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [858292818] [2023-01-10 17:24:21,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [858292818] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-10 17:24:21,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [344301689] [2023-01-10 17:24:21,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 17:24:21,695 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-10 17:24:21,696 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-10 17:24:21,698 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-01-10 17:24:21,699 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2023-01-10 17:24:21,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 17:24:21,811 INFO L263 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 13 conjunts are in the unsatisfiable core [2023-01-10 17:24:21,813 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-10 17:24:22,025 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 11 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-10 17:24:22,026 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-10 17:24:22,121 INFO L321 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2023-01-10 17:24:22,121 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 12 treesize of output 11 [2023-01-10 17:24:22,139 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 11 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-10 17:24:22,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [344301689] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-10 17:24:22,140 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-10 17:24:22,140 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7, 6] total 12 [2023-01-10 17:24:22,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700538593] [2023-01-10 17:24:22,140 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-10 17:24:22,140 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-01-10 17:24:22,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-10 17:24:22,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-01-10 17:24:22,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2023-01-10 17:24:22,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 17:24:22,142 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-10 17:24:22,142 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 14.166666666666666) internal successors, (170), 13 states have internal predecessors, (170), 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) [2023-01-10 17:24:22,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 17:24:22,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-01-10 17:24:22,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-01-10 17:24:22,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 17:24:22,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 17:24:22,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-01-10 17:24:22,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-01-10 17:24:22,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-01-10 17:24:22,773 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (0 of 1 remaining) [2023-01-10 17:24:22,785 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2023-01-10 17:24:22,977 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2023-01-10 17:24:22,983 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-01-10 17:24:22,983 INFO L307 ceAbstractionStarter]: Result for error location t1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE was SAFE (15/18) [2023-01-10 17:24:22,986 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-10 17:24:22,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-01-10 17:24:22,986 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-10 17:24:22,987 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-01-10 17:24:22,991 INFO L164 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-01-10 17:24:22,991 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE ======== [2023-01-10 17:24:22,991 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;@34e1e839, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-10 17:24:22,991 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-10 17:24:23,004 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (20)] Waiting until timeout for monitored process [2023-01-10 17:24:23,084 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE] === [2023-01-10 17:24:23,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-10 17:24:23,084 INFO L85 PathProgramCache]: Analyzing trace with hash -720674817, now seen corresponding path program 1 times [2023-01-10 17:24:23,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-10 17:24:23,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2030662610] [2023-01-10 17:24:23,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 17:24:23,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-10 17:24:23,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 17:24:23,115 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2023-01-10 17:24:23,115 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-10 17:24:23,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2030662610] [2023-01-10 17:24:23,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2030662610] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-10 17:24:23,116 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-10 17:24:23,116 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-01-10 17:24:23,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861253935] [2023-01-10 17:24:23,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-10 17:24:23,116 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-01-10 17:24:23,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-10 17:24:23,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-01-10 17:24:23,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-01-10 17:24:23,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 17:24:23,117 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-10 17:24:23,117 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 60.5) internal successors, (121), 2 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-10 17:24:23,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 17:24:23,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 17:24:23,173 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-01-10 17:24:23,173 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE] === [2023-01-10 17:24:23,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-10 17:24:23,173 INFO L85 PathProgramCache]: Analyzing trace with hash -587678248, now seen corresponding path program 1 times [2023-01-10 17:24:23,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-10 17:24:23,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470846435] [2023-01-10 17:24:23,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 17:24:23,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-10 17:24:23,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 17:24:23,249 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2023-01-10 17:24:23,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-10 17:24:23,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1470846435] [2023-01-10 17:24:23,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1470846435] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-10 17:24:23,249 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-10 17:24:23,249 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-01-10 17:24:23,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736774681] [2023-01-10 17:24:23,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-10 17:24:23,251 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-01-10 17:24:23,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-10 17:24:23,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-01-10 17:24:23,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-01-10 17:24:23,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 17:24:23,251 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-10 17:24:23,251 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 states have internal predecessors, (122), 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) [2023-01-10 17:24:23,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 17:24:23,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 17:24:23,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 17:24:23,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-01-10 17:24:23,315 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-01-10 17:24:23,315 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE] === [2023-01-10 17:24:23,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-10 17:24:23,315 INFO L85 PathProgramCache]: Analyzing trace with hash 1358859978, now seen corresponding path program 1 times [2023-01-10 17:24:23,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-10 17:24:23,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1400290745] [2023-01-10 17:24:23,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 17:24:23,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-10 17:24:23,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 17:24:23,444 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2023-01-10 17:24:23,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-10 17:24:23,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1400290745] [2023-01-10 17:24:23,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1400290745] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-10 17:24:23,445 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-10 17:24:23,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-01-10 17:24:23,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170694640] [2023-01-10 17:24:23,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-10 17:24:23,445 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-01-10 17:24:23,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-10 17:24:23,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-01-10 17:24:23,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-01-10 17:24:23,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 17:24:23,446 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-10 17:24:23,446 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 3 states have internal predecessors, (157), 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) [2023-01-10 17:24:23,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 17:24:23,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-01-10 17:24:23,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 17:24:23,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 17:24:23,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-01-10 17:24:23,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-01-10 17:24:23,471 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-01-10 17:24:23,471 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE] === [2023-01-10 17:24:23,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-10 17:24:23,471 INFO L85 PathProgramCache]: Analyzing trace with hash 592889460, now seen corresponding path program 1 times [2023-01-10 17:24:23,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-10 17:24:23,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2042928364] [2023-01-10 17:24:23,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 17:24:23,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-10 17:24:23,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 17:24:23,913 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-10 17:24:23,914 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-10 17:24:23,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2042928364] [2023-01-10 17:24:23,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2042928364] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-10 17:24:23,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [238835333] [2023-01-10 17:24:23,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 17:24:23,914 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-10 17:24:23,914 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-10 17:24:23,916 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-01-10 17:24:23,936 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2023-01-10 17:24:24,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 17:24:24,033 INFO L263 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 42 conjunts are in the unsatisfiable core [2023-01-10 17:24:24,035 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-10 17:24:24,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-01-10 17:24:24,214 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 12 treesize of output 14 [2023-01-10 17:24:24,227 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2023-01-10 17:24:24,228 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 [2023-01-10 17:24:24,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-01-10 17:24:24,248 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 12 treesize of output 14 [2023-01-10 17:24:24,815 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-10 17:24:24,815 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-10 17:24:29,632 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-01-10 17:24:29,633 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 56 treesize of output 60 [2023-01-10 17:24:29,649 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-01-10 17:24:29,649 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 55 treesize of output 73 [2023-01-10 17:24:29,772 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-10 17:24:29,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [238835333] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-10 17:24:29,773 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-10 17:24:29,773 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 14, 13] total 39 [2023-01-10 17:24:29,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233787077] [2023-01-10 17:24:29,773 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-10 17:24:29,773 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2023-01-10 17:24:29,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-10 17:24:29,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2023-01-10 17:24:29,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=223, Invalid=1337, Unknown=0, NotChecked=0, Total=1560 [2023-01-10 17:24:29,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 17:24:29,775 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-10 17:24:29,775 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 39 states have (on average 6.435897435897436) internal successors, (251), 40 states have internal predecessors, (251), 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) [2023-01-10 17:24:29,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 17:24:29,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-01-10 17:24:29,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-01-10 17:24:29,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 17:24:31,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 17:24:31,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-01-10 17:24:31,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-01-10 17:24:31,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-01-10 17:24:31,667 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2023-01-10 17:24:31,861 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2023-01-10 17:24:31,861 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE] === [2023-01-10 17:24:31,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-10 17:24:31,862 INFO L85 PathProgramCache]: Analyzing trace with hash 1818136540, now seen corresponding path program 1 times [2023-01-10 17:24:31,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-10 17:24:31,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595538956] [2023-01-10 17:24:31,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 17:24:31,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-10 17:24:31,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 17:24:31,917 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 189 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2023-01-10 17:24:31,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-10 17:24:31,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1595538956] [2023-01-10 17:24:31,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1595538956] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-10 17:24:31,918 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-10 17:24:31,918 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-01-10 17:24:31,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752626542] [2023-01-10 17:24:31,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-10 17:24:31,918 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-01-10 17:24:31,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-10 17:24:31,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-01-10 17:24:31,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-01-10 17:24:31,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 17:24:31,919 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-10 17:24:31,919 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 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) [2023-01-10 17:24:31,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 17:24:31,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-01-10 17:24:31,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-01-10 17:24:31,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-01-10 17:24:31,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 17:24:31,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 17:24:31,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-01-10 17:24:31,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-01-10 17:24:31,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-01-10 17:24:31,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-01-10 17:24:31,985 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-01-10 17:24:31,985 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting t1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE] === [2023-01-10 17:24:31,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-10 17:24:31,986 INFO L85 PathProgramCache]: Analyzing trace with hash -771986977, now seen corresponding path program 1 times [2023-01-10 17:24:31,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-10 17:24:31,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562091619] [2023-01-10 17:24:31,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 17:24:31,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-10 17:24:32,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 17:24:32,153 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 76 proven. 68 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-10 17:24:32,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-10 17:24:32,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [562091619] [2023-01-10 17:24:32,154 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [562091619] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-10 17:24:32,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1081369386] [2023-01-10 17:24:32,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 17:24:32,154 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-10 17:24:32,154 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-10 17:24:32,157 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-01-10 17:24:32,191 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2023-01-10 17:24:32,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 17:24:32,297 INFO L263 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 6 conjunts are in the unsatisfiable core [2023-01-10 17:24:32,301 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-10 17:24:32,412 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 76 proven. 68 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-10 17:24:32,412 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-10 17:24:32,558 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 76 proven. 68 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-10 17:24:32,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1081369386] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-10 17:24:32,558 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-10 17:24:32,558 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 14 [2023-01-10 17:24:32,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1667379209] [2023-01-10 17:24:32,559 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-10 17:24:32,560 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-01-10 17:24:32,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-10 17:24:32,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-01-10 17:24:32,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2023-01-10 17:24:32,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 17:24:32,561 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-10 17:24:32,562 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 25.571428571428573) internal successors, (358), 14 states have internal predecessors, (358), 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) [2023-01-10 17:24:32,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 17:24:32,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-01-10 17:24:32,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-01-10 17:24:32,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-01-10 17:24:32,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-01-10 17:24:32,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 17:24:32,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 17:24:32,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-01-10 17:24:32,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-01-10 17:24:32,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-01-10 17:24:32,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-01-10 17:24:32,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-01-10 17:24:32,737 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2023-01-10 17:24:32,934 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2023-01-10 17:24:32,934 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting t1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE] === [2023-01-10 17:24:32,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-10 17:24:32,935 INFO L85 PathProgramCache]: Analyzing trace with hash -309950987, now seen corresponding path program 2 times [2023-01-10 17:24:32,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-10 17:24:32,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2062389920] [2023-01-10 17:24:32,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 17:24:32,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-10 17:24:32,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 17:24:33,225 INFO L134 CoverageAnalysis]: Checked inductivity of 606 backedges. 166 proven. 440 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-10 17:24:33,225 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-10 17:24:33,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2062389920] [2023-01-10 17:24:33,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2062389920] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-10 17:24:33,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1615851034] [2023-01-10 17:24:33,225 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-01-10 17:24:33,226 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-10 17:24:33,226 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-10 17:24:33,227 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-01-10 17:24:33,228 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2023-01-10 17:24:33,352 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-01-10 17:24:33,353 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-01-10 17:24:33,354 INFO L263 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 29 conjunts are in the unsatisfiable core [2023-01-10 17:24:33,357 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-10 17:24:33,896 INFO L134 CoverageAnalysis]: Checked inductivity of 606 backedges. 60 proven. 55 refuted. 0 times theorem prover too weak. 491 trivial. 0 not checked. [2023-01-10 17:24:33,896 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-10 17:24:34,087 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-01-10 17:24:34,087 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 29 treesize of output 33 [2023-01-10 17:24:34,303 INFO L134 CoverageAnalysis]: Checked inductivity of 606 backedges. 115 proven. 0 refuted. 0 times theorem prover too weak. 491 trivial. 0 not checked. [2023-01-10 17:24:34,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1615851034] provided 1 perfect and 1 imperfect interpolant sequences [2023-01-10 17:24:34,303 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-01-10 17:24:34,303 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [13, 11] total 32 [2023-01-10 17:24:34,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366290752] [2023-01-10 17:24:34,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-10 17:24:34,304 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-01-10 17:24:34,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-10 17:24:34,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-01-10 17:24:34,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=888, Unknown=0, NotChecked=0, Total=992 [2023-01-10 17:24:34,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 17:24:34,304 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-10 17:24:34,305 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 13.4) internal successors, (134), 11 states have internal predecessors, (134), 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) [2023-01-10 17:24:34,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 17:24:34,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-01-10 17:24:34,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-01-10 17:24:34,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-01-10 17:24:34,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-01-10 17:24:34,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-01-10 17:24:34,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 17:24:35,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 17:24:35,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-01-10 17:24:35,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-01-10 17:24:35,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-01-10 17:24:35,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-01-10 17:24:35,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-01-10 17:24:35,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-01-10 17:24:35,437 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2023-01-10 17:24:35,632 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-10 17:24:35,632 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting t1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE] === [2023-01-10 17:24:35,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-10 17:24:35,633 INFO L85 PathProgramCache]: Analyzing trace with hash 116769473, now seen corresponding path program 1 times [2023-01-10 17:24:35,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-10 17:24:35,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [89105122] [2023-01-10 17:24:35,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 17:24:35,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-10 17:24:35,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 17:24:36,006 INFO L134 CoverageAnalysis]: Checked inductivity of 1112 backedges. 558 proven. 440 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2023-01-10 17:24:36,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-10 17:24:36,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [89105122] [2023-01-10 17:24:36,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [89105122] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-10 17:24:36,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1450127040] [2023-01-10 17:24:36,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 17:24:36,007 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-10 17:24:36,007 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-10 17:24:36,008 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-01-10 17:24:36,034 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2023-01-10 17:24:36,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 17:24:36,216 INFO L263 TraceCheckSpWp]: Trace formula consists of 893 conjuncts, 12 conjunts are in the unsatisfiable core [2023-01-10 17:24:36,219 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-10 17:24:36,455 INFO L134 CoverageAnalysis]: Checked inductivity of 1112 backedges. 558 proven. 440 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2023-01-10 17:24:36,455 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-10 17:24:36,822 INFO L134 CoverageAnalysis]: Checked inductivity of 1112 backedges. 558 proven. 440 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2023-01-10 17:24:36,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1450127040] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-10 17:24:36,822 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-10 17:24:36,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 26 [2023-01-10 17:24:36,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [339247172] [2023-01-10 17:24:36,823 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-10 17:24:36,823 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2023-01-10 17:24:36,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-10 17:24:36,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2023-01-10 17:24:36,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=182, Invalid=468, Unknown=0, NotChecked=0, Total=650 [2023-01-10 17:24:36,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 17:24:36,824 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-10 17:24:36,825 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 22.615384615384617) internal successors, (588), 26 states have internal predecessors, (588), 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) [2023-01-10 17:24:36,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 17:24:36,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-01-10 17:24:36,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-01-10 17:24:36,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-01-10 17:24:36,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-01-10 17:24:36,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-01-10 17:24:36,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-01-10 17:24:36,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 17:24:37,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 17:24:37,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-01-10 17:24:37,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-01-10 17:24:37,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-01-10 17:24:37,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-01-10 17:24:37,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-01-10 17:24:37,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-01-10 17:24:37,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-01-10 17:24:37,271 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2023-01-10 17:24:37,471 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-10 17:24:37,471 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting t1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE] === [2023-01-10 17:24:37,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-10 17:24:37,471 INFO L85 PathProgramCache]: Analyzing trace with hash 513638381, now seen corresponding path program 2 times [2023-01-10 17:24:37,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-10 17:24:37,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912307275] [2023-01-10 17:24:37,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 17:24:37,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-10 17:24:37,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 17:24:38,515 INFO L134 CoverageAnalysis]: Checked inductivity of 3440 backedges. 1170 proven. 2156 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2023-01-10 17:24:38,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-10 17:24:38,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [912307275] [2023-01-10 17:24:38,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [912307275] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-10 17:24:38,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [562800257] [2023-01-10 17:24:38,517 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-01-10 17:24:38,517 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-10 17:24:38,517 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-10 17:24:38,518 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-01-10 17:24:38,519 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2023-01-10 17:24:38,694 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-01-10 17:24:38,695 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-01-10 17:24:38,696 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 5 conjunts are in the unsatisfiable core [2023-01-10 17:24:38,701 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-10 17:24:38,731 INFO L134 CoverageAnalysis]: Checked inductivity of 3440 backedges. 280 proven. 0 refuted. 0 times theorem prover too weak. 3160 trivial. 0 not checked. [2023-01-10 17:24:38,731 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-01-10 17:24:38,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [562800257] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-10 17:24:38,731 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-01-10 17:24:38,732 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [25] total 27 [2023-01-10 17:24:38,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [111274590] [2023-01-10 17:24:38,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-10 17:24:38,732 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-01-10 17:24:38,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-10 17:24:38,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-01-10 17:24:38,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=172, Invalid=530, Unknown=0, NotChecked=0, Total=702 [2023-01-10 17:24:38,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 17:24:38,733 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-10 17:24:38,733 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 36.5) internal successors, (146), 4 states have internal predecessors, (146), 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) [2023-01-10 17:24:38,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 17:24:38,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-01-10 17:24:38,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-01-10 17:24:38,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-01-10 17:24:38,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-01-10 17:24:38,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-01-10 17:24:38,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-01-10 17:24:38,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2023-01-10 17:24:38,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 17:24:38,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 17:24:38,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-01-10 17:24:38,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-01-10 17:24:38,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-01-10 17:24:38,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-01-10 17:24:38,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-01-10 17:24:38,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-01-10 17:24:38,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-01-10 17:24:38,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-01-10 17:24:38,875 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2023-01-10 17:24:39,070 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2023-01-10 17:24:39,070 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting t1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE] === [2023-01-10 17:24:39,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-10 17:24:39,071 INFO L85 PathProgramCache]: Analyzing trace with hash 1764359891, now seen corresponding path program 3 times [2023-01-10 17:24:39,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-10 17:24:39,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606309605] [2023-01-10 17:24:39,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 17:24:39,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-10 17:24:39,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 17:24:39,952 INFO L134 CoverageAnalysis]: Checked inductivity of 2944 backedges. 758 proven. 2156 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-01-10 17:24:39,953 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-10 17:24:39,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [606309605] [2023-01-10 17:24:39,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [606309605] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-10 17:24:39,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1282160815] [2023-01-10 17:24:39,953 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-01-10 17:24:39,953 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-10 17:24:39,953 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-10 17:24:39,954 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-01-10 17:24:39,972 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2023-01-10 17:24:40,125 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2023-01-10 17:24:40,126 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-01-10 17:24:40,127 INFO L263 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 48 conjunts are in the unsatisfiable core [2023-01-10 17:24:40,133 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-10 17:24:40,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-01-10 17:24:40,222 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 12 treesize of output 14 [2023-01-10 17:24:40,233 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2023-01-10 17:24:40,233 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 [2023-01-10 17:24:40,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-01-10 17:24:40,242 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 12 treesize of output 14 [2023-01-10 17:24:42,999 INFO L134 CoverageAnalysis]: Checked inductivity of 2944 backedges. 432 proven. 125 refuted. 0 times theorem prover too weak. 2387 trivial. 0 not checked. [2023-01-10 17:24:43,000 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-10 17:24:48,747 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-01-10 17:24:48,748 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 140 treesize of output 138 [2023-01-10 17:24:48,762 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-01-10 17:24:48,762 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 132 treesize of output 150 [2023-01-10 17:24:48,908 INFO L134 CoverageAnalysis]: Checked inductivity of 2944 backedges. 0 proven. 557 refuted. 0 times theorem prover too weak. 2387 trivial. 0 not checked. [2023-01-10 17:24:48,909 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1282160815] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-10 17:24:48,909 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-10 17:24:48,909 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 17, 17] total 57 [2023-01-10 17:24:48,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1417296840] [2023-01-10 17:24:48,909 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-10 17:24:48,910 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 57 states [2023-01-10 17:24:48,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-10 17:24:48,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2023-01-10 17:24:48,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=307, Invalid=2885, Unknown=0, NotChecked=0, Total=3192 [2023-01-10 17:24:48,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 17:24:48,911 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-10 17:24:48,912 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 57 states, 57 states have (on average 14.614035087719298) internal successors, (833), 57 states have internal predecessors, (833), 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) [2023-01-10 17:24:48,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 17:24:48,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-01-10 17:24:48,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-01-10 17:24:48,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-01-10 17:24:48,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-01-10 17:24:48,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-01-10 17:24:48,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-01-10 17:24:48,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2023-01-10 17:24:48,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-01-10 17:24:48,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 17:25:03,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 17:25:03,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-01-10 17:25:03,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-01-10 17:25:03,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-01-10 17:25:03,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-01-10 17:25:03,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-01-10 17:25:03,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-01-10 17:25:03,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-01-10 17:25:03,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-01-10 17:25:03,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2023-01-10 17:25:03,110 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (0 of 1 remaining) [2023-01-10 17:25:03,114 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2023-01-10 17:25:03,310 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2023-01-10 17:25:03,313 INFO L445 BasicCegarLoop]: Path program histogram: [3, 2, 1, 1, 1, 1, 1] [2023-01-10 17:25:03,313 INFO L307 ceAbstractionStarter]: Result for error location t1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE was SAFE (16/18) [2023-01-10 17:25:03,314 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-10 17:25:03,314 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-01-10 17:25:03,315 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-10 17:25:03,315 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-01-10 17:25:03,317 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (27)] Waiting until timeout for monitored process [2023-01-10 17:25:03,322 INFO L164 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-01-10 17:25:03,322 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE ======== [2023-01-10 17:25:03,322 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;@34e1e839, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-10 17:25:03,323 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-10 17:25:03,381 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE] === [2023-01-10 17:25:03,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-10 17:25:03,382 INFO L85 PathProgramCache]: Analyzing trace with hash 392402523, now seen corresponding path program 1 times [2023-01-10 17:25:03,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-10 17:25:03,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670532233] [2023-01-10 17:25:03,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 17:25:03,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-10 17:25:03,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 17:25:03,396 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-10 17:25:03,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-10 17:25:03,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [670532233] [2023-01-10 17:25:03,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [670532233] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-10 17:25:03,397 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-10 17:25:03,397 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-01-10 17:25:03,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837387023] [2023-01-10 17:25:03,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-10 17:25:03,397 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-01-10 17:25:03,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-10 17:25:03,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-01-10 17:25:03,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-01-10 17:25:03,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 17:25:03,398 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-10 17:25:03,398 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 48.0) internal successors, (96), 2 states have internal predecessors, (96), 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) [2023-01-10 17:25:03,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 17:25:03,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 17:25:03,442 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2023-01-10 17:25:03,442 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE] === [2023-01-10 17:25:03,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-10 17:25:03,442 INFO L85 PathProgramCache]: Analyzing trace with hash -123640232, now seen corresponding path program 1 times [2023-01-10 17:25:03,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-10 17:25:03,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192402588] [2023-01-10 17:25:03,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 17:25:03,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-10 17:25:03,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 17:25:03,569 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-01-10 17:25:03,569 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-10 17:25:03,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [192402588] [2023-01-10 17:25:03,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [192402588] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-10 17:25:03,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1927521261] [2023-01-10 17:25:03,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 17:25:03,569 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-10 17:25:03,569 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-10 17:25:03,571 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-01-10 17:25:03,573 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2023-01-10 17:25:03,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 17:25:03,702 INFO L263 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 5 conjunts are in the unsatisfiable core [2023-01-10 17:25:03,703 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-10 17:25:03,715 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-10 17:25:03,715 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-01-10 17:25:03,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1927521261] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-10 17:25:03,715 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-01-10 17:25:03,715 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 7 [2023-01-10 17:25:03,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670286092] [2023-01-10 17:25:03,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-10 17:25:03,715 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-01-10 17:25:03,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-10 17:25:03,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-01-10 17:25:03,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-01-10 17:25:03,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 17:25:03,716 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-10 17:25:03,716 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.25) internal successors, (93), 4 states have internal predecessors, (93), 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) [2023-01-10 17:25:03,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 17:25:03,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 17:25:03,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 17:25:03,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-01-10 17:25:03,827 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2023-01-10 17:25:04,021 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-10 17:25:04,021 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE] === [2023-01-10 17:25:04,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-10 17:25:04,021 INFO L85 PathProgramCache]: Analyzing trace with hash 1242270915, now seen corresponding path program 1 times [2023-01-10 17:25:04,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-10 17:25:04,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1646571177] [2023-01-10 17:25:04,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 17:25:04,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-10 17:25:04,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 17:25:04,061 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-01-10 17:25:04,061 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-10 17:25:04,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1646571177] [2023-01-10 17:25:04,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1646571177] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-10 17:25:04,061 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-10 17:25:04,061 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-01-10 17:25:04,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975333837] [2023-01-10 17:25:04,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-10 17:25:04,062 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-01-10 17:25:04,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-10 17:25:04,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-01-10 17:25:04,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-01-10 17:25:04,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 17:25:04,062 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-10 17:25:04,062 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.8) internal successors, (94), 5 states have internal predecessors, (94), 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) [2023-01-10 17:25:04,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 17:25:04,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-01-10 17:25:04,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 17:25:04,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 17:25:04,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-01-10 17:25:04,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-01-10 17:25:04,254 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2023-01-10 17:25:04,254 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE] === [2023-01-10 17:25:04,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-10 17:25:04,255 INFO L85 PathProgramCache]: Analyzing trace with hash 1752999981, now seen corresponding path program 1 times [2023-01-10 17:25:04,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-10 17:25:04,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [973256419] [2023-01-10 17:25:04,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 17:25:04,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-10 17:25:04,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 17:25:04,345 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-01-10 17:25:04,345 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-10 17:25:04,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [973256419] [2023-01-10 17:25:04,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [973256419] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-10 17:25:04,345 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-10 17:25:04,345 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-01-10 17:25:04,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095844443] [2023-01-10 17:25:04,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-10 17:25:04,345 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-01-10 17:25:04,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-10 17:25:04,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-01-10 17:25:04,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-01-10 17:25:04,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 17:25:04,346 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-10 17:25:04,346 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 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) [2023-01-10 17:25:04,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 17:25:04,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-01-10 17:25:04,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-01-10 17:25:04,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 17:25:04,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 17:25:04,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-01-10 17:25:04,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-01-10 17:25:04,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-01-10 17:25:04,417 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2023-01-10 17:25:04,417 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE] === [2023-01-10 17:25:04,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-10 17:25:04,418 INFO L85 PathProgramCache]: Analyzing trace with hash 432459192, now seen corresponding path program 1 times [2023-01-10 17:25:04,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-10 17:25:04,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [355218111] [2023-01-10 17:25:04,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 17:25:04,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-10 17:25:04,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 17:25:04,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-10 17:25:04,487 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-10 17:25:04,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [355218111] [2023-01-10 17:25:04,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [355218111] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-10 17:25:04,487 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-10 17:25:04,487 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-01-10 17:25:04,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1965721956] [2023-01-10 17:25:04,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-10 17:25:04,487 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-01-10 17:25:04,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-10 17:25:04,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-01-10 17:25:04,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-01-10 17:25:04,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 17:25:04,488 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-10 17:25:04,488 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 16.666666666666668) internal successors, (100), 7 states have internal predecessors, (100), 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) [2023-01-10 17:25:04,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 17:25:04,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-01-10 17:25:04,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-01-10 17:25:04,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-01-10 17:25:04,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 17:25:04,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 17:25:04,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-01-10 17:25:04,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-01-10 17:25:04,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-01-10 17:25:04,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-01-10 17:25:04,849 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (0 of 1 remaining) [2023-01-10 17:25:04,849 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2023-01-10 17:25:04,851 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-01-10 17:25:04,851 INFO L307 ceAbstractionStarter]: Result for error location t2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE was SAFE (17/18) [2023-01-10 17:25:04,852 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-10 17:25:04,852 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-01-10 17:25:04,852 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-10 17:25:04,853 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-01-10 17:25:04,860 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (29)] Waiting until timeout for monitored process [2023-01-10 17:25:04,861 INFO L164 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-01-10 17:25:04,861 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE ======== [2023-01-10 17:25:04,861 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;@34e1e839, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-10 17:25:04,861 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-10 17:25:04,959 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE] === [2023-01-10 17:25:04,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-10 17:25:04,960 INFO L85 PathProgramCache]: Analyzing trace with hash 392402524, now seen corresponding path program 1 times [2023-01-10 17:25:04,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-10 17:25:04,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943582567] [2023-01-10 17:25:04,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 17:25:04,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-10 17:25:04,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 17:25:04,974 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-10 17:25:04,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-10 17:25:04,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [943582567] [2023-01-10 17:25:04,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [943582567] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-10 17:25:04,974 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-10 17:25:04,975 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-01-10 17:25:04,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293054935] [2023-01-10 17:25:04,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-10 17:25:04,975 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-01-10 17:25:04,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-10 17:25:04,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-01-10 17:25:04,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-01-10 17:25:04,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 17:25:04,975 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-10 17:25:04,975 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 48.0) internal successors, (96), 2 states have internal predecessors, (96), 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) [2023-01-10 17:25:04,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 17:25:05,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 17:25:05,116 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2023-01-10 17:25:05,116 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE] === [2023-01-10 17:25:05,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-10 17:25:05,117 INFO L85 PathProgramCache]: Analyzing trace with hash -123640231, now seen corresponding path program 1 times [2023-01-10 17:25:05,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-10 17:25:05,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207433619] [2023-01-10 17:25:05,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 17:25:05,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-10 17:25:05,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 17:25:05,163 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-01-10 17:25:05,163 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-10 17:25:05,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1207433619] [2023-01-10 17:25:05,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1207433619] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-10 17:25:05,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1455776290] [2023-01-10 17:25:05,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 17:25:05,164 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-10 17:25:05,164 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-10 17:25:05,166 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-01-10 17:25:05,188 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2023-01-10 17:25:05,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 17:25:05,303 INFO L263 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 5 conjunts are in the unsatisfiable core [2023-01-10 17:25:05,303 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-10 17:25:05,314 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-10 17:25:05,315 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-01-10 17:25:05,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1455776290] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-10 17:25:05,315 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-01-10 17:25:05,315 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 7 [2023-01-10 17:25:05,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923180215] [2023-01-10 17:25:05,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-10 17:25:05,315 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-01-10 17:25:05,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-10 17:25:05,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-01-10 17:25:05,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-01-10 17:25:05,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 17:25:05,316 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-10 17:25:05,316 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.25) internal successors, (93), 4 states have internal predecessors, (93), 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) [2023-01-10 17:25:05,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 17:25:05,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 17:25:05,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 17:25:05,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-01-10 17:25:05,423 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2023-01-10 17:25:05,623 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-10 17:25:05,623 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE] === [2023-01-10 17:25:05,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-10 17:25:05,624 INFO L85 PathProgramCache]: Analyzing trace with hash 1242270916, now seen corresponding path program 1 times [2023-01-10 17:25:05,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-10 17:25:05,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [635883637] [2023-01-10 17:25:05,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 17:25:05,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-10 17:25:05,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 17:25:05,669 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-01-10 17:25:05,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-10 17:25:05,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [635883637] [2023-01-10 17:25:05,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [635883637] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-10 17:25:05,669 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-10 17:25:05,669 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-01-10 17:25:05,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454607523] [2023-01-10 17:25:05,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-10 17:25:05,670 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-01-10 17:25:05,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-10 17:25:05,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-01-10 17:25:05,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-01-10 17:25:05,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 17:25:05,672 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-10 17:25:05,672 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.8) internal successors, (94), 5 states have internal predecessors, (94), 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) [2023-01-10 17:25:05,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 17:25:05,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-01-10 17:25:05,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 17:25:05,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 17:25:05,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-01-10 17:25:05,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-01-10 17:25:05,860 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2023-01-10 17:25:05,860 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE] === [2023-01-10 17:25:05,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-10 17:25:05,860 INFO L85 PathProgramCache]: Analyzing trace with hash 1752999982, now seen corresponding path program 1 times [2023-01-10 17:25:05,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-10 17:25:05,861 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1558802467] [2023-01-10 17:25:05,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 17:25:05,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-10 17:25:05,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 17:25:05,939 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-01-10 17:25:05,939 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-10 17:25:05,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1558802467] [2023-01-10 17:25:05,940 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1558802467] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-10 17:25:05,940 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-10 17:25:05,940 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-01-10 17:25:05,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [265376205] [2023-01-10 17:25:05,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-10 17:25:05,941 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-01-10 17:25:05,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-10 17:25:05,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-01-10 17:25:05,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-01-10 17:25:05,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 17:25:05,941 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-10 17:25:05,941 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 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) [2023-01-10 17:25:05,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 17:25:05,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-01-10 17:25:05,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-01-10 17:25:05,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 17:25:06,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 17:25:06,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-01-10 17:25:06,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-01-10 17:25:06,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-01-10 17:25:06,014 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2023-01-10 17:25:06,014 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE] === [2023-01-10 17:25:06,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-10 17:25:06,015 INFO L85 PathProgramCache]: Analyzing trace with hash 432459193, now seen corresponding path program 1 times [2023-01-10 17:25:06,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-10 17:25:06,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547066562] [2023-01-10 17:25:06,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 17:25:06,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-10 17:25:06,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 17:25:06,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-10 17:25:06,393 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-10 17:25:06,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1547066562] [2023-01-10 17:25:06,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1547066562] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-10 17:25:06,393 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-10 17:25:06,393 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2023-01-10 17:25:06,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091925045] [2023-01-10 17:25:06,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-10 17:25:06,393 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-01-10 17:25:06,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-10 17:25:06,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-01-10 17:25:06,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=228, Unknown=0, NotChecked=0, Total=272 [2023-01-10 17:25:06,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 17:25:06,394 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-10 17:25:06,394 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 6.25) internal successors, (100), 17 states have internal predecessors, (100), 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) [2023-01-10 17:25:06,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 17:25:06,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-01-10 17:25:06,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-01-10 17:25:06,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-01-10 17:25:06,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 17:25:06,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 17:25:06,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-01-10 17:25:06,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-01-10 17:25:06,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-01-10 17:25:06,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-01-10 17:25:06,934 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2023-01-10 17:25:06,934 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting t2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE] === [2023-01-10 17:25:06,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-10 17:25:06,935 INFO L85 PathProgramCache]: Analyzing trace with hash 682658006, now seen corresponding path program 1 times [2023-01-10 17:25:06,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-10 17:25:06,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [206210904] [2023-01-10 17:25:06,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 17:25:06,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-10 17:25:06,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 17:25:07,199 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 10 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-01-10 17:25:07,199 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-10 17:25:07,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [206210904] [2023-01-10 17:25:07,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [206210904] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-10 17:25:07,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [423607368] [2023-01-10 17:25:07,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 17:25:07,200 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-10 17:25:07,200 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-10 17:25:07,201 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-01-10 17:25:07,203 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2023-01-10 17:25:07,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 17:25:07,347 INFO L263 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 15 conjunts are in the unsatisfiable core [2023-01-10 17:25:07,348 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-10 17:25:07,512 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 10 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-01-10 17:25:07,513 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-10 17:25:07,659 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 10 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-01-10 17:25:07,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [423607368] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-10 17:25:07,660 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-10 17:25:07,660 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 8 [2023-01-10 17:25:07,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934359851] [2023-01-10 17:25:07,660 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-10 17:25:07,660 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-01-10 17:25:07,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-10 17:25:07,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-01-10 17:25:07,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-01-10 17:25:07,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 17:25:07,661 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-10 17:25:07,661 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.625) internal successors, (133), 8 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-10 17:25:07,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 17:25:07,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-01-10 17:25:07,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-01-10 17:25:07,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-01-10 17:25:07,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-01-10 17:25:07,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 17:25:07,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 17:25:07,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-01-10 17:25:07,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-01-10 17:25:07,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-01-10 17:25:07,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-01-10 17:25:07,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-01-10 17:25:07,970 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2023-01-10 17:25:08,170 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2023-01-10 17:25:08,170 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting t2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE] === [2023-01-10 17:25:08,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-10 17:25:08,171 INFO L85 PathProgramCache]: Analyzing trace with hash 855875145, now seen corresponding path program 2 times [2023-01-10 17:25:08,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-10 17:25:08,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095719163] [2023-01-10 17:25:08,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 17:25:08,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-10 17:25:08,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 17:25:09,181 INFO L134 CoverageAnalysis]: Checked inductivity of 287 backedges. 88 proven. 131 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2023-01-10 17:25:09,181 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-10 17:25:09,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1095719163] [2023-01-10 17:25:09,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1095719163] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-10 17:25:09,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1735438235] [2023-01-10 17:25:09,181 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-01-10 17:25:09,181 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-10 17:25:09,182 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-10 17:25:09,182 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-01-10 17:25:09,185 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2023-01-10 17:25:09,344 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-01-10 17:25:09,344 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-01-10 17:25:09,345 INFO L263 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 37 conjunts are in the unsatisfiable core [2023-01-10 17:25:09,348 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-10 17:25:10,123 INFO L134 CoverageAnalysis]: Checked inductivity of 287 backedges. 74 proven. 36 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2023-01-10 17:25:10,123 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-10 17:25:10,509 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-01-10 17:25:10,510 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 29 treesize of output 33 [2023-01-10 17:25:10,751 INFO L134 CoverageAnalysis]: Checked inductivity of 287 backedges. 110 proven. 0 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2023-01-10 17:25:10,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1735438235] provided 1 perfect and 1 imperfect interpolant sequences [2023-01-10 17:25:10,751 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-01-10 17:25:10,751 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [25, 15] total 52 [2023-01-10 17:25:10,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [803744943] [2023-01-10 17:25:10,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-10 17:25:10,752 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-01-10 17:25:10,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-10 17:25:10,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-01-10 17:25:10,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=162, Invalid=2594, Unknown=0, NotChecked=0, Total=2756 [2023-01-10 17:25:10,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 17:25:10,753 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-10 17:25:10,753 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 11.357142857142858) internal successors, (159), 15 states have internal predecessors, (159), 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) [2023-01-10 17:25:10,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 17:25:10,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-01-10 17:25:10,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-01-10 17:25:10,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-01-10 17:25:10,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-01-10 17:25:10,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-01-10 17:25:10,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 17:25:13,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 17:25:13,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-01-10 17:25:13,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-01-10 17:25:13,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-01-10 17:25:13,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-01-10 17:25:13,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-01-10 17:25:13,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2023-01-10 17:25:13,469 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Forceful destruction successful, exit code 0 [2023-01-10 17:25:13,664 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2023-01-10 17:25:13,664 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting t2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE] === [2023-01-10 17:25:13,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-10 17:25:13,665 INFO L85 PathProgramCache]: Analyzing trace with hash -391826074, now seen corresponding path program 3 times [2023-01-10 17:25:13,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-10 17:25:13,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652484793] [2023-01-10 17:25:13,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 17:25:13,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-10 17:25:13,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 17:25:14,652 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 138 proven. 172 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2023-01-10 17:25:14,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-10 17:25:14,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [652484793] [2023-01-10 17:25:14,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [652484793] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-10 17:25:14,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [388295698] [2023-01-10 17:25:14,652 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-01-10 17:25:14,652 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-10 17:25:14,652 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-10 17:25:14,657 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-01-10 17:25:14,659 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2023-01-10 17:25:14,836 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2023-01-10 17:25:14,836 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-01-10 17:25:14,837 INFO L263 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 41 conjunts are in the unsatisfiable core [2023-01-10 17:25:14,840 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-10 17:25:14,882 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-01-10 17:25:15,946 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 73 proven. 54 refuted. 0 times theorem prover too weak. 251 trivial. 0 not checked. [2023-01-10 17:25:15,946 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-10 17:25:19,080 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 38 treesize of output 36 [2023-01-10 17:25:19,087 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 38 treesize of output 36 [2023-01-10 17:25:19,155 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 127 refuted. 0 times theorem prover too weak. 251 trivial. 0 not checked. [2023-01-10 17:25:19,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [388295698] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-10 17:25:19,155 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-10 17:25:19,155 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 16, 17] total 57 [2023-01-10 17:25:19,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039939094] [2023-01-10 17:25:19,155 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-10 17:25:19,156 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 58 states [2023-01-10 17:25:19,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-10 17:25:19,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2023-01-10 17:25:19,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=265, Invalid=3041, Unknown=0, NotChecked=0, Total=3306 [2023-01-10 17:25:19,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 17:25:19,157 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-10 17:25:19,157 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 58 states, 57 states have (on average 10.0) internal successors, (570), 58 states have internal predecessors, (570), 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) [2023-01-10 17:25:19,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 17:25:19,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-01-10 17:25:19,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-01-10 17:25:19,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-01-10 17:25:19,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-01-10 17:25:19,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-01-10 17:25:19,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2023-01-10 17:25:19,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 17:25:33,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 17:25:33,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-01-10 17:25:33,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-01-10 17:25:33,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-01-10 17:25:33,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-01-10 17:25:33,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-01-10 17:25:33,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2023-01-10 17:25:33,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2023-01-10 17:25:33,250 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (0 of 1 remaining) [2023-01-10 17:25:33,256 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0 [2023-01-10 17:25:33,450 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,33 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-10 17:25:33,454 INFO L445 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1, 1, 1] [2023-01-10 17:25:33,455 INFO L307 ceAbstractionStarter]: Result for error location t2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE was SAFE (18/18) [2023-01-10 17:25:33,456 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-01-10 17:25:33,456 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-01-10 17:25:33,475 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 05:25:33 BasicIcfg [2023-01-10 17:25:33,475 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-01-10 17:25:33,476 INFO L158 Benchmark]: Toolchain (without parser) took 79697.68ms. Allocated memory was 402.7MB in the beginning and 1.7GB in the end (delta: 1.3GB). Free memory was 363.3MB in the beginning and 462.7MB in the end (delta: -99.4MB). Peak memory consumption was 1.2GB. Max. memory is 8.0GB. [2023-01-10 17:25:33,476 INFO L158 Benchmark]: CDTParser took 0.08ms. Allocated memory is still 215.0MB. Free memory is still 160.5MB. There was no memory consumed. Max. memory is 8.0GB. [2023-01-10 17:25:33,476 INFO L158 Benchmark]: CACSL2BoogieTranslator took 431.68ms. Allocated memory is still 402.7MB. Free memory was 362.8MB in the beginning and 334.0MB in the end (delta: 28.8MB). Peak memory consumption was 28.3MB. Max. memory is 8.0GB. [2023-01-10 17:25:33,476 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.16ms. Allocated memory is still 402.7MB. Free memory was 334.0MB in the beginning and 331.4MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-01-10 17:25:33,476 INFO L158 Benchmark]: Boogie Preprocessor took 18.87ms. Allocated memory is still 402.7MB. Free memory was 331.4MB in the beginning and 329.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-01-10 17:25:33,476 INFO L158 Benchmark]: RCFGBuilder took 398.76ms. Allocated memory is still 402.7MB. Free memory was 329.3MB in the beginning and 309.9MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2023-01-10 17:25:33,476 INFO L158 Benchmark]: TraceAbstraction took 78807.22ms. Allocated memory was 402.7MB in the beginning and 1.7GB in the end (delta: 1.3GB). Free memory was 309.3MB in the beginning and 462.7MB in the end (delta: -153.4MB). Peak memory consumption was 1.1GB. Max. memory is 8.0GB. [2023-01-10 17:25:33,476 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.08ms. Allocated memory is still 215.0MB. Free memory is still 160.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 431.68ms. Allocated memory is still 402.7MB. Free memory was 362.8MB in the beginning and 334.0MB in the end (delta: 28.8MB). Peak memory consumption was 28.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 35.16ms. Allocated memory is still 402.7MB. Free memory was 334.0MB in the beginning and 331.4MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 18.87ms. Allocated memory is still 402.7MB. Free memory was 331.4MB in the beginning and 329.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 398.76ms. Allocated memory is still 402.7MB. Free memory was 329.3MB in the beginning and 309.9MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * TraceAbstraction took 78807.22ms. Allocated memory was 402.7MB in the beginning and 1.7GB in the end (delta: 1.3GB). Free memory was 309.3MB in the beginning and 462.7MB in the end (delta: -153.4MB). Peak memory consumption was 1.1GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 1, dependent conditional: 1, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 1 - StatisticsResult: Traversal Statistics Data States: 28, Transitions: 27, Traversal time: 11965845.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 0 - StatisticsResult: Traversal Statistics Data States: 27, Transitions: 27, Traversal time: 19280415.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 0 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: Traversal Statistics Data States: 28, Transitions: 27, Traversal time: 4565620.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 0 - StatisticsResult: Traversal Statistics Data States: 27, Transitions: 27, Traversal time: 16371158.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 0 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 427, independent: 380, independent conditional: 380, independent unconditional: 0, dependent: 47, dependent conditional: 47, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 381, independent: 380, independent conditional: 380, independent unconditional: 0, dependent: 1, dependent conditional: 1, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 381, independent: 380, independent conditional: 380, independent unconditional: 0, dependent: 1, dependent conditional: 1, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 382, independent: 380, independent conditional: 0, independent unconditional: 380, dependent: 2, dependent conditional: 1, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 382, independent: 380, independent conditional: 0, independent unconditional: 380, dependent: 2, dependent conditional: 1, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 382, independent: 380, independent conditional: 0, independent unconditional: 380, dependent: 2, dependent conditional: 1, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 377, independent: 375, independent conditional: 0, independent unconditional: 375, dependent: 2, dependent conditional: 1, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 377, independent: 375, independent conditional: 0, independent unconditional: 375, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 2, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 2, dependent conditional: 1, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 2, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 2, dependent conditional: 1, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 34, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 34, dependent conditional: 7, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 382, independent: 5, independent conditional: 0, independent unconditional: 5, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 377, unknown conditional: 1, unknown unconditional: 376] , Statistics on independence cache: Total cache size (in pairs): 377, Positive cache size: 375, Positive conditional cache size: 0, Positive unconditional cache size: 375, Negative cache size: 2, Negative conditional cache size: 1, Negative unconditional cache size: 1, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 1, Independence queries for same thread: 46 - StatisticsResult: Traversal Statistics Data States: 34, Transitions: 33, Traversal time: 6787728.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 0 - StatisticsResult: Traversal Statistics Data States: 278, Transitions: 303, Traversal time: 99841443.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 15 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 426, independent: 380, independent conditional: 380, independent unconditional: 0, dependent: 46, dependent conditional: 46, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 381, independent: 380, independent conditional: 380, independent unconditional: 0, dependent: 1, dependent conditional: 1, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 381, independent: 380, independent conditional: 380, independent unconditional: 0, dependent: 1, dependent conditional: 1, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 382, independent: 380, independent conditional: 0, independent unconditional: 380, dependent: 2, dependent conditional: 1, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 382, independent: 380, independent conditional: 0, independent unconditional: 380, dependent: 2, dependent conditional: 1, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 382, independent: 380, independent conditional: 0, independent unconditional: 380, dependent: 2, dependent conditional: 1, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 377, independent: 375, independent conditional: 0, independent unconditional: 375, dependent: 2, dependent conditional: 1, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 377, independent: 375, independent conditional: 0, independent unconditional: 375, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 2, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 2, dependent conditional: 1, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 2, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 2, dependent conditional: 1, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 36, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 36, dependent conditional: 6, dependent unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 382, independent: 5, independent conditional: 0, independent unconditional: 5, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 377, unknown conditional: 1, unknown unconditional: 376] , Statistics on independence cache: Total cache size (in pairs): 377, Positive cache size: 375, Positive conditional cache size: 0, Positive unconditional cache size: 375, Negative cache size: 2, Negative conditional cache size: 1, Negative unconditional cache size: 1, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 1, Independence queries for same thread: 45 - StatisticsResult: Traversal Statistics Data States: 34, Transitions: 33, Traversal time: 2885581.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 0 - StatisticsResult: Traversal Statistics Data States: 278, Transitions: 303, Traversal time: 71464133.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 15 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 28242, independent: 26523, independent conditional: 26523, independent unconditional: 0, dependent: 1719, dependent conditional: 1719, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 26585, independent: 26523, independent conditional: 26523, independent unconditional: 0, dependent: 62, dependent conditional: 62, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 26585, independent: 26523, independent conditional: 26523, independent unconditional: 0, dependent: 62, dependent conditional: 62, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 26647, independent: 26523, independent conditional: 0, independent unconditional: 26523, dependent: 124, dependent conditional: 62, dependent unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 26647, independent: 26523, independent conditional: 0, independent unconditional: 26523, dependent: 124, dependent conditional: 14, dependent unconditional: 110, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 26647, independent: 26523, independent conditional: 0, independent unconditional: 26523, dependent: 124, dependent conditional: 14, dependent unconditional: 110, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3710, independent: 3693, independent conditional: 0, independent unconditional: 3693, dependent: 17, dependent conditional: 3, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3710, independent: 3690, independent conditional: 0, independent unconditional: 3690, dependent: 20, dependent conditional: 0, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 20, independent: 3, independent conditional: 0, independent unconditional: 3, dependent: 17, dependent conditional: 3, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 20, independent: 3, independent conditional: 0, independent unconditional: 3, dependent: 17, dependent conditional: 3, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 68, independent: 7, independent conditional: 0, independent unconditional: 7, dependent: 62, dependent conditional: 11, dependent unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 26647, independent: 22830, independent conditional: 0, independent unconditional: 22830, dependent: 107, dependent conditional: 11, dependent unconditional: 96, unknown: 3710, unknown conditional: 3, unknown unconditional: 3707] , Statistics on independence cache: Total cache size (in pairs): 3710, Positive cache size: 3693, Positive conditional cache size: 0, Positive unconditional cache size: 3693, Negative cache size: 17, Negative conditional cache size: 3, Negative unconditional cache size: 14, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 48, Maximal queried relation: 1, Independence queries for same thread: 1657 - StatisticsResult: Traversal Statistics Data States: 38, Transitions: 37, Traversal time: 1775189.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 0 - StatisticsResult: Traversal Statistics Data States: 8387, Transitions: 10393, Traversal time: 430447994.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 468 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 28240, independent: 26523, independent conditional: 26523, independent unconditional: 0, dependent: 1717, dependent conditional: 1717, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 26585, independent: 26523, independent conditional: 26523, independent unconditional: 0, dependent: 62, dependent conditional: 62, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 26585, independent: 26523, independent conditional: 26523, independent unconditional: 0, dependent: 62, dependent conditional: 62, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 26647, independent: 26523, independent conditional: 0, independent unconditional: 26523, dependent: 124, dependent conditional: 62, dependent unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 26647, independent: 26523, independent conditional: 0, independent unconditional: 26523, dependent: 124, dependent conditional: 14, dependent unconditional: 110, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 26647, independent: 26523, independent conditional: 0, independent unconditional: 26523, dependent: 124, dependent conditional: 14, dependent unconditional: 110, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3710, independent: 3693, independent conditional: 0, independent unconditional: 3693, dependent: 17, dependent conditional: 3, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3710, independent: 3690, independent conditional: 0, independent unconditional: 3690, dependent: 20, dependent conditional: 0, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 20, independent: 3, independent conditional: 0, independent unconditional: 3, dependent: 17, dependent conditional: 3, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 20, independent: 3, independent conditional: 0, independent unconditional: 3, dependent: 17, dependent conditional: 3, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 62, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 58, dependent conditional: 10, dependent unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 26647, independent: 22830, independent conditional: 0, independent unconditional: 22830, dependent: 107, dependent conditional: 11, dependent unconditional: 96, unknown: 3710, unknown conditional: 3, unknown unconditional: 3707] , Statistics on independence cache: Total cache size (in pairs): 3710, Positive cache size: 3693, Positive conditional cache size: 0, Positive unconditional cache size: 3693, Negative cache size: 17, Negative conditional cache size: 3, Negative unconditional cache size: 14, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 48, Maximal queried relation: 1, Independence queries for same thread: 1655 - StatisticsResult: Traversal Statistics Data States: 38, Transitions: 37, Traversal time: 1078032.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 0 - StatisticsResult: Traversal Statistics Data States: 8387, Transitions: 10393, Traversal time: 395337021.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 468 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 32870, independent: 29102, independent conditional: 29102, independent unconditional: 0, dependent: 3768, dependent conditional: 3768, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 29148, independent: 29102, independent conditional: 29102, independent unconditional: 0, dependent: 46, dependent conditional: 46, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 29148, independent: 29102, independent conditional: 29102, independent unconditional: 0, dependent: 46, dependent conditional: 46, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 29223, independent: 29102, independent conditional: 6, independent unconditional: 29096, dependent: 121, dependent conditional: 69, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 29223, independent: 29102, independent conditional: 6, independent unconditional: 29096, dependent: 121, dependent conditional: 19, dependent unconditional: 102, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 29223, independent: 29102, independent conditional: 6, independent unconditional: 29096, dependent: 121, dependent conditional: 19, dependent unconditional: 102, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4066, independent: 4052, independent conditional: 1, independent unconditional: 4051, dependent: 14, dependent conditional: 3, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4066, independent: 4048, independent conditional: 0, independent unconditional: 4048, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 18, independent: 4, independent conditional: 1, independent unconditional: 3, dependent: 14, dependent conditional: 3, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 18, independent: 4, independent conditional: 1, independent unconditional: 3, dependent: 14, dependent conditional: 3, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 75, independent: 13, independent conditional: 7, independent unconditional: 5, dependent: 62, dependent conditional: 7, dependent unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 29223, independent: 25050, independent conditional: 5, independent unconditional: 25045, dependent: 107, dependent conditional: 16, dependent unconditional: 91, unknown: 4066, unknown conditional: 4, unknown unconditional: 4062] , Statistics on independence cache: Total cache size (in pairs): 4066, Positive cache size: 4052, Positive conditional cache size: 1, Positive unconditional cache size: 4051, Negative cache size: 14, Negative conditional cache size: 3, Negative unconditional cache size: 11, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 50, Maximal queried relation: 3, Independence queries for same thread: 3722 - StatisticsResult: Traversal Statistics Data States: 2197, Transitions: 2420, Traversal time: 104968970.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 111 - StatisticsResult: Traversal Statistics Data States: 2024, Transitions: 2268, Traversal time: 35543969.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 105 - StatisticsResult: Traversal Statistics Data States: 1578, Transitions: 1768, Traversal time: 66917881.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 76 - StatisticsResult: Traversal Statistics Data States: 394, Transitions: 468, Traversal time: 24989951.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 29 - StatisticsResult: Traversal Statistics Data States: 10198, Transitions: 12175, Traversal time: 302303977.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 678 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 32872, independent: 29102, independent conditional: 29102, independent unconditional: 0, dependent: 3770, dependent conditional: 3770, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 29148, independent: 29102, independent conditional: 29102, independent unconditional: 0, dependent: 46, dependent conditional: 46, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 29148, independent: 29102, independent conditional: 29102, independent unconditional: 0, dependent: 46, dependent conditional: 46, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 29223, independent: 29102, independent conditional: 6, independent unconditional: 29096, dependent: 121, dependent conditional: 69, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 29223, independent: 29102, independent conditional: 6, independent unconditional: 29096, dependent: 121, dependent conditional: 19, dependent unconditional: 102, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 29223, independent: 29102, independent conditional: 6, independent unconditional: 29096, dependent: 121, dependent conditional: 19, dependent unconditional: 102, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4066, independent: 4052, independent conditional: 1, independent unconditional: 4051, dependent: 14, dependent conditional: 3, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4066, independent: 4048, independent conditional: 0, independent unconditional: 4048, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 18, independent: 4, independent conditional: 1, independent unconditional: 3, dependent: 14, dependent conditional: 3, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 18, independent: 4, independent conditional: 1, independent unconditional: 3, dependent: 14, dependent conditional: 3, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 56, independent: 7, independent conditional: 4, independent unconditional: 2, dependent: 50, dependent conditional: 7, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 29223, independent: 25050, independent conditional: 5, independent unconditional: 25045, dependent: 107, dependent conditional: 16, dependent unconditional: 91, unknown: 4066, unknown conditional: 4, unknown unconditional: 4062] , Statistics on independence cache: Total cache size (in pairs): 4066, Positive cache size: 4052, Positive conditional cache size: 1, Positive unconditional cache size: 4051, Negative cache size: 14, Negative conditional cache size: 3, Negative unconditional cache size: 11, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 50, Maximal queried relation: 3, Independence queries for same thread: 3724 - StatisticsResult: Traversal Statistics Data States: 2197, Transitions: 2420, Traversal time: 85767837.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 111 - StatisticsResult: Traversal Statistics Data States: 2024, Transitions: 2268, Traversal time: 26860041.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 105 - StatisticsResult: Traversal Statistics Data States: 1578, Transitions: 1768, Traversal time: 36838372.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 76 - StatisticsResult: Traversal Statistics Data States: 394, Transitions: 468, Traversal time: 23585237.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 29 - StatisticsResult: Traversal Statistics Data States: 10198, Transitions: 12175, Traversal time: 308271714.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 678 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: Traversal Statistics Data States: 28, Transitions: 27, Traversal time: 641190.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 0 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 505, independent: 448, independent conditional: 448, independent unconditional: 0, dependent: 57, dependent conditional: 57, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 449, independent: 448, independent conditional: 448, independent unconditional: 0, dependent: 1, dependent conditional: 1, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 449, independent: 448, independent conditional: 448, independent unconditional: 0, dependent: 1, dependent conditional: 1, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 449, independent: 448, independent conditional: 0, independent unconditional: 448, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 449, independent: 448, independent conditional: 0, independent unconditional: 448, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 449, independent: 448, independent conditional: 0, independent unconditional: 448, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 448, independent: 447, independent conditional: 0, independent unconditional: 447, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 448, independent: 447, independent conditional: 0, independent unconditional: 447, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 1, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 28, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 28, dependent conditional: 0, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 449, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 448, unknown conditional: 0, unknown unconditional: 448] , Statistics on independence cache: Total cache size (in pairs): 448, Positive cache size: 447, Positive conditional cache size: 0, Positive unconditional cache size: 447, Negative cache size: 1, Negative conditional cache size: 0, Negative unconditional cache size: 1, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 56 - StatisticsResult: Traversal Statistics Data States: 341, Transitions: 371, Traversal time: 35377922.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 15 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: Traversal Statistics Data States: 0, Transitions: 0, Traversal time: 2129417557361834.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 0 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: Traversal Statistics Data States: 0, Transitions: 0, Traversal time: 2129417572161330.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 0 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: Traversal Statistics Data States: 0, Transitions: 0, Traversal time: 2129417589507795.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 0 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: Traversal Statistics Data States: 0, Transitions: 0, Traversal time: 2129417597877534.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 0 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 38304, independent: 34082, independent conditional: 34082, independent unconditional: 0, dependent: 4222, dependent conditional: 4222, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 34119, independent: 34082, independent conditional: 34082, independent unconditional: 0, dependent: 37, dependent conditional: 37, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 34119, independent: 34082, independent conditional: 34082, independent unconditional: 0, dependent: 37, dependent conditional: 37, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 34197, independent: 34082, independent conditional: 6, independent unconditional: 34076, dependent: 115, dependent conditional: 72, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 34197, independent: 34082, independent conditional: 6, independent unconditional: 34076, dependent: 115, dependent conditional: 25, dependent unconditional: 90, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 34197, independent: 34082, independent conditional: 6, independent unconditional: 34076, dependent: 115, dependent conditional: 25, dependent unconditional: 90, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3063, independent: 3051, independent conditional: 1, independent unconditional: 3050, dependent: 12, dependent conditional: 4, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3063, independent: 3047, independent conditional: 0, independent unconditional: 3047, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 16, independent: 4, independent conditional: 1, independent unconditional: 3, dependent: 12, dependent conditional: 4, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 16, independent: 4, independent conditional: 1, independent unconditional: 3, dependent: 12, dependent conditional: 4, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 46, independent: 4, independent conditional: 1, independent unconditional: 3, dependent: 42, dependent conditional: 9, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 34197, independent: 31031, independent conditional: 5, independent unconditional: 31026, dependent: 103, dependent conditional: 21, dependent unconditional: 82, unknown: 3063, unknown conditional: 5, unknown unconditional: 3058] , Statistics on independence cache: Total cache size (in pairs): 3063, Positive cache size: 3051, Positive conditional cache size: 1, Positive unconditional cache size: 3050, Negative cache size: 12, Negative conditional cache size: 4, Negative unconditional cache size: 8, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 47, Maximal queried relation: 3, Independence queries for same thread: 4185 - StatisticsResult: Traversal Statistics Data States: 1876, Transitions: 2056, Traversal time: 68880305.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 108 - StatisticsResult: Traversal Statistics Data States: 2493, Transitions: 2764, Traversal time: 36416820.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 156 - StatisticsResult: Traversal Statistics Data States: 1992, Transitions: 2209, Traversal time: 87268333.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 117 - StatisticsResult: Traversal Statistics Data States: 650, Transitions: 775, Traversal time: 21148580.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 80 - StatisticsResult: Traversal Statistics Data States: 9620, Transitions: 11604, Traversal time: 393617478.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 808 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 252190, independent: 220870, independent conditional: 220870, independent unconditional: 0, dependent: 31320, dependent conditional: 31320, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 221104, independent: 220870, independent conditional: 220870, independent unconditional: 0, dependent: 234, dependent conditional: 234, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 221104, independent: 220870, independent conditional: 220870, independent unconditional: 0, dependent: 234, dependent conditional: 234, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 222251, independent: 220870, independent conditional: 120, independent unconditional: 220750, dependent: 1381, dependent conditional: 1027, dependent unconditional: 354, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 222251, independent: 220870, independent conditional: 120, independent unconditional: 220750, dependent: 1381, dependent conditional: 233, dependent unconditional: 1148, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 222251, independent: 220870, independent conditional: 120, independent unconditional: 220750, dependent: 1381, dependent conditional: 233, dependent unconditional: 1148, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3116, independent: 3059, independent conditional: 3, independent unconditional: 3056, dependent: 57, dependent conditional: 49, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3116, independent: 3053, independent conditional: 0, independent unconditional: 3053, dependent: 63, dependent conditional: 0, dependent unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 63, independent: 6, independent conditional: 3, independent unconditional: 3, dependent: 57, dependent conditional: 49, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 63, independent: 6, independent conditional: 3, independent unconditional: 3, dependent: 57, dependent conditional: 49, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 188, independent: 9, independent conditional: 6, independent unconditional: 3, dependent: 179, dependent conditional: 146, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 222251, independent: 217811, independent conditional: 117, independent unconditional: 217694, dependent: 1324, dependent conditional: 184, dependent unconditional: 1140, unknown: 3116, unknown conditional: 52, unknown unconditional: 3064] , Statistics on independence cache: Total cache size (in pairs): 3116, Positive cache size: 3059, Positive conditional cache size: 3, Positive unconditional cache size: 3056, Negative cache size: 57, Negative conditional cache size: 49, Negative unconditional cache size: 8, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 794, Maximal queried relation: 6, Independence queries for same thread: 31086 - StatisticsResult: Traversal Statistics Data States: 1876, Transitions: 2056, Traversal time: 72979717.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 108 - StatisticsResult: Traversal Statistics Data States: 2493, Transitions: 2764, Traversal time: 34972972.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 156 - StatisticsResult: Traversal Statistics Data States: 1992, Transitions: 2209, Traversal time: 45440766.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 117 - StatisticsResult: Traversal Statistics Data States: 650, Transitions: 775, Traversal time: 17716388.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 80 - StatisticsResult: Traversal Statistics Data States: 2083, Transitions: 2480, Traversal time: 1846776004.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 228 - StatisticsResult: Traversal Statistics Data States: 2475, Transitions: 2965, Traversal time: 43291705.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 265 - StatisticsResult: Traversal Statistics Data States: 2703, Transitions: 3229, Traversal time: 144037829.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 304 - StatisticsResult: Traversal Statistics Data States: 3614, Transitions: 4328, Traversal time: 1090795566.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 393 - StatisticsResult: Traversal Statistics Data States: 4838, Transitions: 5786, Traversal time: 386098828.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 537 - StatisticsResult: Traversal Statistics Data States: 4732, Transitions: 5651, Traversal time: 76717121.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 519 - StatisticsResult: Traversal Statistics Data States: 75441, Transitions: 92869, Traversal time: 12995676812.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 6238 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 64153, independent: 56902, independent conditional: 56902, independent unconditional: 0, dependent: 7251, dependent conditional: 7251, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 56994, independent: 56902, independent conditional: 56902, independent unconditional: 0, dependent: 92, dependent conditional: 92, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 56994, independent: 56902, independent conditional: 56902, independent unconditional: 0, dependent: 92, dependent conditional: 92, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 57176, independent: 56902, independent conditional: 25, independent unconditional: 56877, dependent: 274, dependent conditional: 157, dependent unconditional: 117, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 57176, independent: 56902, independent conditional: 25, independent unconditional: 56877, dependent: 274, dependent conditional: 37, dependent unconditional: 237, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 57176, independent: 56902, independent conditional: 25, independent unconditional: 56877, dependent: 274, dependent conditional: 37, dependent unconditional: 237, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3602, independent: 3589, independent conditional: 1, independent unconditional: 3588, dependent: 13, dependent conditional: 7, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3602, independent: 3585, independent conditional: 0, independent unconditional: 3585, dependent: 17, dependent conditional: 0, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 17, independent: 4, independent conditional: 1, independent unconditional: 3, dependent: 13, dependent conditional: 7, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 17, independent: 4, independent conditional: 1, independent unconditional: 3, dependent: 13, dependent conditional: 7, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 33, independent: 2, independent conditional: 1, independent unconditional: 1, dependent: 31, dependent conditional: 13, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 57176, independent: 53313, independent conditional: 24, independent unconditional: 53289, dependent: 261, dependent conditional: 30, dependent unconditional: 231, unknown: 3602, unknown conditional: 8, unknown unconditional: 3594] , Statistics on independence cache: Total cache size (in pairs): 3602, Positive cache size: 3589, Positive conditional cache size: 1, Positive unconditional cache size: 3588, Negative cache size: 13, Negative conditional cache size: 7, Negative unconditional cache size: 6, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 120, Maximal queried relation: 3, Independence queries for same thread: 7159 - StatisticsResult: Traversal Statistics Data States: 1804, Transitions: 1970, Traversal time: 42309185.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 130 - StatisticsResult: Traversal Statistics Data States: 2141, Transitions: 2352, Traversal time: 27939185.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 150 - StatisticsResult: Traversal Statistics Data States: 4443, Transitions: 4898, Traversal time: 66281921.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 295 - StatisticsResult: Traversal Statistics Data States: 7144, Transitions: 7886, Traversal time: 127762453.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 582 - StatisticsResult: Traversal Statistics Data States: 3061, Transitions: 3505, Traversal time: 42559201.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 341 - StatisticsResult: Traversal Statistics Data States: 9551, Transitions: 11161, Traversal time: 234049833.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 955 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 213383, independent: 187723, independent conditional: 187723, independent unconditional: 0, dependent: 25660, dependent conditional: 25660, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 188023, independent: 187723, independent conditional: 187723, independent unconditional: 0, dependent: 300, dependent conditional: 300, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 188023, independent: 187723, independent conditional: 187723, independent unconditional: 0, dependent: 300, dependent conditional: 300, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 189513, independent: 187723, independent conditional: 175, independent unconditional: 187548, dependent: 1790, dependent conditional: 1315, dependent unconditional: 475, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 189513, independent: 187723, independent conditional: 175, independent unconditional: 187548, dependent: 1790, dependent conditional: 385, dependent unconditional: 1405, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 189513, independent: 187723, independent conditional: 175, independent unconditional: 187548, dependent: 1790, dependent conditional: 385, dependent unconditional: 1405, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3625, independent: 3589, independent conditional: 1, independent unconditional: 3588, dependent: 36, dependent conditional: 30, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3625, independent: 3585, independent conditional: 0, independent unconditional: 3585, dependent: 40, dependent conditional: 0, dependent unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 40, independent: 4, independent conditional: 1, independent unconditional: 3, dependent: 36, dependent conditional: 30, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 40, independent: 4, independent conditional: 1, independent unconditional: 3, dependent: 36, dependent conditional: 30, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 126, independent: 3, independent conditional: 2, independent unconditional: 1, dependent: 123, dependent conditional: 73, dependent unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 189513, independent: 184134, independent conditional: 174, independent unconditional: 183960, dependent: 1754, dependent conditional: 355, dependent unconditional: 1399, unknown: 3625, unknown conditional: 31, unknown unconditional: 3594] , Statistics on independence cache: Total cache size (in pairs): 3625, Positive cache size: 3589, Positive conditional cache size: 1, Positive unconditional cache size: 3588, Negative cache size: 36, Negative conditional cache size: 30, Negative unconditional cache size: 6, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 930, Maximal queried relation: 6, Independence queries for same thread: 25360 - StatisticsResult: Traversal Statistics Data States: 1804, Transitions: 1970, Traversal time: 76366433.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 130 - StatisticsResult: Traversal Statistics Data States: 2141, Transitions: 2352, Traversal time: 126714298.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 150 - StatisticsResult: Traversal Statistics Data States: 4443, Transitions: 4898, Traversal time: 64195188.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 295 - StatisticsResult: Traversal Statistics Data States: 7144, Transitions: 7886, Traversal time: 127935873.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 582 - StatisticsResult: Traversal Statistics Data States: 3061, Transitions: 3505, Traversal time: 43692066.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 341 - StatisticsResult: Traversal Statistics Data States: 4184, Transitions: 4742, Traversal time: 468129514.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 451 - StatisticsResult: Traversal Statistics Data States: 5205, Transitions: 5899, Traversal time: 257022806.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 623 - StatisticsResult: Traversal Statistics Data States: 5696, Transitions: 6451, Traversal time: 2614136630.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 696 - StatisticsResult: Traversal Statistics Data States: 54779, Transitions: 63931, Traversal time: 12177660832.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 5774 - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE with 1 thread instances CFG has 5 procedures, 262 locations, 18 error locations. Started 1 CEGAR loops. OverallTime: 359605685.0ns, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 39591872.0ns, FeasibilityCheckTime: 260988573.0ns, RefinementTime: 16728547.0ns, AutomataDifference: 0.0ns, DeadEndRemovalTime: 0.0ns, HoareAnnotationTime: 0.0ns, InitialAbstractionConstructionTime: 17040051.0ns, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 8698074.0ns IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 40 SdHoareTripleChecker+Invalid, 7276608.0ns Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 15 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7 IncrementalHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 25 mSDtfsCounter, 7 mSolverCounterSat, 2247037.0ns SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: No data available, 0.0ns BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ns DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 3222063.0ns SsaConstructionTime, 22969286.0ns SatisfiabilityAnalysisTime, 167826364.0ns InterpolantComputationTime, 27 NumberOfCodeBlocks, 27 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 26 ConstructedInterpolants, 0 QuantifiedInterpolants, 46 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE with 1 thread instances CFG has 5 procedures, 262 locations, 18 error locations. Started 1 CEGAR loops. OverallTime: 184903215.0ns, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 23159378.0ns, FeasibilityCheckTime: 153746055.0ns, RefinementTime: 799743.0ns, AutomataDifference: 0.0ns, DeadEndRemovalTime: 0.0ns, HoareAnnotationTime: 0.0ns, InitialAbstractionConstructionTime: 2104315.0ns, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 11104443.0ns IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 41 SdHoareTripleChecker+Invalid, 7915102.0ns Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 16 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 25 mSDtfsCounter, 6 mSolverCounterSat, 514580.0ns SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: No data available, 0.0ns BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ns DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 1397931.0ns SsaConstructionTime, 7507979.0ns SatisfiabilityAnalysisTime, 135592896.0ns InterpolantComputationTime, 27 NumberOfCodeBlocks, 27 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 26 ConstructedInterpolants, 0 QuantifiedInterpolants, 66 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE with 1 thread instances CFG has 5 procedures, 262 locations, 18 error locations. Started 1 CEGAR loops. OverallTime: 204583982.0ns, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 124971240.0ns, FeasibilityCheckTime: 73157015.0ns, RefinementTime: 710582.0ns, AutomataDifference: 0.0ns, DeadEndRemovalTime: 0.0ns, HoareAnnotationTime: 0.0ns, InitialAbstractionConstructionTime: 2131987.0ns, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 51 SdHoareTripleChecker+Valid, 17438730.0ns IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 51 mSDsluCounter, 94 SdHoareTripleChecker+Invalid, 11649031.0ns Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 15 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 11 IncrementalHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 79 mSDtfsCounter, 11 mSolverCounterSat, 1157823.0ns SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: No data available, 0.0ns BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ns DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 1587761.0ns SsaConstructionTime, 3828637.0ns SatisfiabilityAnalysisTime, 59545669.0ns InterpolantComputationTime, 33 NumberOfCodeBlocks, 33 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 32 ConstructedInterpolants, 0 QuantifiedInterpolants, 72 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE with 1 thread instances CFG has 5 procedures, 262 locations, 18 error locations. Started 1 CEGAR loops. OverallTime: 164780895.0ns, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 99628415.0ns, FeasibilityCheckTime: 59955060.0ns, RefinementTime: 622876.0ns, AutomataDifference: 0.0ns, DeadEndRemovalTime: 0.0ns, HoareAnnotationTime: 0.0ns, InitialAbstractionConstructionTime: 1639299.0ns, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 51 SdHoareTripleChecker+Valid, 12720480.0ns IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 51 mSDsluCounter, 95 SdHoareTripleChecker+Invalid, 9056823.0ns Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 16 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 79 mSDtfsCounter, 10 mSolverCounterSat, 908699.0ns SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: No data available, 0.0ns BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ns DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 1993954.0ns SsaConstructionTime, 6640139.0ns SatisfiabilityAnalysisTime, 43734326.0ns InterpolantComputationTime, 33 NumberOfCodeBlocks, 33 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 32 ConstructedInterpolants, 0 QuantifiedInterpolants, 112 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE with 1 thread instances CFG has 5 procedures, 262 locations, 18 error locations. Started 1 CEGAR loops. OverallTime: 654578537.0ns, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 618397999.0ns, FeasibilityCheckTime: 28074522.0ns, RefinementTime: 646891.0ns, AutomataDifference: 0.0ns, DeadEndRemovalTime: 0.0ns, HoareAnnotationTime: 0.0ns, InitialAbstractionConstructionTime: 1407940.0ns, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 103 SdHoareTripleChecker+Valid, 13625533.0ns IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 103 mSDsluCounter, 142 SdHoareTripleChecker+Invalid, 10828790.0ns Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 15 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 15 IncrementalHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 127 mSDtfsCounter, 15 mSolverCounterSat, 1577798.0ns SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: No data available, 0.0ns BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ns DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 1658346.0ns SsaConstructionTime, 3240357.0ns SatisfiabilityAnalysisTime, 14610408.0ns InterpolantComputationTime, 37 NumberOfCodeBlocks, 37 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 36 ConstructedInterpolants, 0 QuantifiedInterpolants, 76 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE with 1 thread instances CFG has 5 procedures, 262 locations, 18 error locations. Started 1 CEGAR loops. OverallTime: 669101088.0ns, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 588656964.0ns, FeasibilityCheckTime: 70574088.0ns, RefinementTime: 1284455.0ns, AutomataDifference: 0.0ns, DeadEndRemovalTime: 0.0ns, HoareAnnotationTime: 0.0ns, InitialAbstractionConstructionTime: 1177632.0ns, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 203 SdHoareTripleChecker+Valid, 16999626.0ns IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 203 mSDsluCounter, 147 SdHoareTripleChecker+Invalid, 11628114.0ns Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 20 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 127 mSDtfsCounter, 10 mSolverCounterSat, 1731343.0ns SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: No data available, 0.0ns BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ns DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 3528746.0ns SsaConstructionTime, 5894508.0ns SatisfiabilityAnalysisTime, 50352843.0ns InterpolantComputationTime, 37 NumberOfCodeBlocks, 37 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 36 ConstructedInterpolants, 0 QuantifiedInterpolants, 146 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE with 1 thread instances CFG has 5 procedures, 262 locations, 18 error locations. Started 1 CEGAR loops. OverallTime: 1888731041.0ns, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 733694796.0ns, FeasibilityCheckTime: 940093769.0ns, RefinementTime: 4311576.0ns, AutomataDifference: 0.0ns, DeadEndRemovalTime: 0.0ns, HoareAnnotationTime: 0.0ns, InitialAbstractionConstructionTime: 1080477.0ns, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 187 SdHoareTripleChecker+Valid, 88686181.0ns IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 187 mSDsluCounter, 761 SdHoareTripleChecker+Invalid, 64197903.0ns Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 182 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 61 IncrementalHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 579 mSDtfsCounter, 61 mSolverCounterSat, 4577093.0ns SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: No data available, 0.0ns BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ns DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 34748927.0ns SsaConstructionTime, 74171114.0ns SatisfiabilityAnalysisTime, 692891556.0ns InterpolantComputationTime, 1103 NumberOfCodeBlocks, 1103 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 1098 ConstructedInterpolants, 0 QuantifiedInterpolants, 1980 SizeOfPredicates, 0 NumberOfNonLiveVariables, 338 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 5 InterpolantComputations, 4 PerfectInterpolantSequences, 1269/1285 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 - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE with 1 thread instances CFG has 5 procedures, 262 locations, 18 error locations. Started 1 CEGAR loops. OverallTime: 1909887109.0ns, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 675462596.0ns, FeasibilityCheckTime: 1021835615.0ns, RefinementTime: 2981967.0ns, AutomataDifference: 0.0ns, DeadEndRemovalTime: 0.0ns, HoareAnnotationTime: 0.0ns, InitialAbstractionConstructionTime: 877590.0ns, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 220 SdHoareTripleChecker+Valid, 45713079.0ns IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 220 mSDsluCounter, 767 SdHoareTripleChecker+Invalid, 36535914.0ns Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 188 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 55 IncrementalHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 579 mSDtfsCounter, 55 mSolverCounterSat, 2482472.0ns SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: No data available, 0.0ns BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ns DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 32077609.0ns SsaConstructionTime, 62730522.0ns SatisfiabilityAnalysisTime, 792277133.0ns InterpolantComputationTime, 1103 NumberOfCodeBlocks, 1103 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 1098 ConstructedInterpolants, 0 QuantifiedInterpolants, 2606 SizeOfPredicates, 0 NumberOfNonLiveVariables, 338 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 5 InterpolantComputations, 4 PerfectInterpolantSequences, 1269/1285 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency: ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES with 1 thread instances CFG has 5 procedures, 262 locations, 18 error locations. Started 1 CEGAR loops. OverallTime: 3079180.0ns, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 792188.0ns, FeasibilityCheckTime: 0.0ns, RefinementTime: 0.0ns, AutomataDifference: 0.0ns, DeadEndRemovalTime: 0.0ns, HoareAnnotationTime: 0.0ns, InitialAbstractionConstructionTime: 1037103.0ns, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0ns BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ns DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency: ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES with 1 thread instances CFG has 5 procedures, 262 locations, 18 error locations. Started 1 CEGAR loops. OverallTime: 40298787.0ns, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 37943184.0ns, FeasibilityCheckTime: 0.0ns, RefinementTime: 0.0ns, AutomataDifference: 0.0ns, DeadEndRemovalTime: 0.0ns, HoareAnnotationTime: 0.0ns, InitialAbstractionConstructionTime: 722125.0ns, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0ns BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ns DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for error location: t1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE with 1 thread instances CFG has 5 procedures, 262 locations, 18 error locations. Started 1 CEGAR loops. OverallTime: 2271252.0ns, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 159463.0ns, FeasibilityCheckTime: 0.0ns, RefinementTime: 0.0ns, AutomataDifference: 0.0ns, DeadEndRemovalTime: 0.0ns, HoareAnnotationTime: 0.0ns, InitialAbstractionConstructionTime: 921194.0ns, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0ns BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ns DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for error location: t1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE with 2 thread instances CFG has 5 procedures, 262 locations, 18 error locations. Started 1 CEGAR loops. OverallTime: 1919030700.0ns, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 913142599.0ns, FeasibilityCheckTime: 789301537.0ns, RefinementTime: 2709828.0ns, AutomataDifference: 0.0ns, DeadEndRemovalTime: 0.0ns, HoareAnnotationTime: 0.0ns, InitialAbstractionConstructionTime: 779213.0ns, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1237 SdHoareTripleChecker+Valid, 95974399.0ns IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1237 mSDsluCounter, 1208 SdHoareTripleChecker+Invalid, 74334013.0ns Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 649 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 158 IncrementalHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 559 mSDtfsCounter, 158 mSolverCounterSat, 4473535.0ns SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: No data available, 0.0ns BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ns DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 24052819.0ns SsaConstructionTime, 42297522.0ns SatisfiabilityAnalysisTime, 610428430.0ns InterpolantComputationTime, 817 NumberOfCodeBlocks, 817 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 900 ConstructedInterpolants, 0 QuantifiedInterpolants, 1940 SizeOfPredicates, 5 NumberOfNonLiveVariables, 230 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 6 InterpolantComputations, 3 PerfectInterpolantSequences, 714/744 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 - StatisticsResult: Ultimate Automizer benchmark data for error location: t1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE with 1 thread instances CFG has 5 procedures, 262 locations, 18 error locations. Started 1 CEGAR loops. OverallTime: 2240414.0ns, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 138884.0ns, FeasibilityCheckTime: 0.0ns, RefinementTime: 0.0ns, AutomataDifference: 0.0ns, DeadEndRemovalTime: 0.0ns, HoareAnnotationTime: 0.0ns, InitialAbstractionConstructionTime: 831603.0ns, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0ns BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ns DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for error location: t1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE with 2 thread instances CFG has 5 procedures, 262 locations, 18 error locations. Started 1 CEGAR loops. OverallTime: 40322948325.0ns, OverallIterations: 10, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 18249581892.0ns, FeasibilityCheckTime: 20834956021.0ns, RefinementTime: 8170100.0ns, AutomataDifference: 0.0ns, DeadEndRemovalTime: 0.0ns, HoareAnnotationTime: 0.0ns, InitialAbstractionConstructionTime: 881788.0ns, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 24251 SdHoareTripleChecker+Valid, 3902495034.0ns IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 24251 mSDsluCounter, 34919 SdHoareTripleChecker+Invalid, 3312565508.0ns Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 30761 mSDsCounter, 177 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8253 IncrementalHoareTripleChecker+Invalid, 8430 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 177 mSolverCounterUnsat, 4158 mSDtfsCounter, 8253 mSolverCounterSat, 107272482.0ns SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: No data available, 0.0ns BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 233, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ns DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 223747106.0ns SsaConstructionTime, 408444057.0ns SatisfiabilityAnalysisTime, 19527217553.0ns InterpolantComputationTime, 5172 NumberOfCodeBlocks, 3961 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 6692 ConstructedInterpolants, 26 QuantifiedInterpolants, 51379 SizeOfPredicates, 67 NumberOfNonLiveVariables, 2276 ConjunctsInSsa, 142 ConjunctsInUnsatCore, 21 InterpolantComputations, 6 PerfectInterpolantSequences, 15228/22304 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 - StatisticsResult: Ultimate Automizer benchmark data for error location: t2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE with 1 thread instances CFG has 5 procedures, 262 locations, 18 error locations. Started 1 CEGAR loops. OverallTime: 2321118.0ns, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 119678.0ns, FeasibilityCheckTime: 0.0ns, RefinementTime: 0.0ns, AutomataDifference: 0.0ns, DeadEndRemovalTime: 0.0ns, HoareAnnotationTime: 0.0ns, InitialAbstractionConstructionTime: 881377.0ns, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0ns BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ns DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for error location: t2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE with 2 thread instances CFG has 5 procedures, 262 locations, 18 error locations. Started 1 CEGAR loops. OverallTime: 1529403827.0ns, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 828518704.0ns, FeasibilityCheckTime: 491043575.0ns, RefinementTime: 2375751.0ns, AutomataDifference: 0.0ns, DeadEndRemovalTime: 0.0ns, HoareAnnotationTime: 0.0ns, InitialAbstractionConstructionTime: 801746.0ns, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1262 SdHoareTripleChecker+Valid, 130083858.0ns IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1262 mSDsluCounter, 2434 SdHoareTripleChecker+Invalid, 105702937.0ns Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1496 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 263 IncrementalHoareTripleChecker+Invalid, 270 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 938 mSDtfsCounter, 263 mSolverCounterSat, 5800035.0ns SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: No data available, 0.0ns BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 27, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ns DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 19141200.0ns SsaConstructionTime, 35823373.0ns SatisfiabilityAnalysisTime, 225621021.0ns InterpolantComputationTime, 692 NumberOfCodeBlocks, 692 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 686 ConstructedInterpolants, 0 QuantifiedInterpolants, 1184 SizeOfPredicates, 1 NumberOfNonLiveVariables, 252 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 232/235 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 - StatisticsResult: Ultimate Automizer benchmark data for error location: t2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE with 1 thread instances CFG has 5 procedures, 262 locations, 18 error locations. Started 1 CEGAR loops. OverallTime: 2188886.0ns, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 137442.0ns, FeasibilityCheckTime: 0.0ns, RefinementTime: 0.0ns, AutomataDifference: 0.0ns, DeadEndRemovalTime: 0.0ns, HoareAnnotationTime: 0.0ns, InitialAbstractionConstructionTime: 837414.0ns, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0ns BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ns DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for error location: t2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE with 2 thread instances CFG has 5 procedures, 262 locations, 18 error locations. Started 1 CEGAR loops. OverallTime: 28593550763.0ns, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 18246325110.0ns, FeasibilityCheckTime: 9518912231.0ns, RefinementTime: 6672829.0ns, AutomataDifference: 0.0ns, DeadEndRemovalTime: 0.0ns, HoareAnnotationTime: 0.0ns, InitialAbstractionConstructionTime: 729248.0ns, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 11212 SdHoareTripleChecker+Valid, 4248620863.0ns IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 11212 mSDsluCounter, 35973 SdHoareTripleChecker+Invalid, 3599415929.0ns Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 33125 mSDsCounter, 86 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10456 IncrementalHoareTripleChecker+Invalid, 10542 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 86 mSolverCounterUnsat, 2848 mSDtfsCounter, 10456 mSolverCounterSat, 97108227.0ns SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: No data available, 0.0ns BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 242, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ns DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 92673682.0ns SsaConstructionTime, 169558873.0ns SatisfiabilityAnalysisTime, 8736224450.0ns InterpolantComputationTime, 2132 NumberOfCodeBlocks, 1776 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 2837 ConstructedInterpolants, 0 QuantifiedInterpolants, 29543 SizeOfPredicates, 46 NumberOfNonLiveVariables, 1172 ConjunctsInSsa, 98 ConjunctsInUnsatCore, 15 InterpolantComputations, 6 PerfectInterpolantSequences, 1740/2299 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 12 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-01-10 17:25:33,515 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (29)] Ended with exit code 0 [2023-01-10 17:25:33,715 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (27)] Ended with exit code 0 [2023-01-10 17:25:33,915 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (20)] Forceful destruction successful, exit code 0 [2023-01-10 17:25:34,114 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (18)] Forceful destruction successful, exit code 0 [2023-01-10 17:25:34,312 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (17)] Ended with exit code 0 [2023-01-10 17:25:34,512 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (16)] Forceful destruction successful, exit code 0 [2023-01-10 17:25:34,713 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (15)] Forceful destruction successful, exit code 0 [2023-01-10 17:25:34,913 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (14)] Ended with exit code 0 [2023-01-10 17:25:35,119 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (13)] Forceful destruction successful, exit code 0 [2023-01-10 17:25:35,316 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (12)] Forceful destruction successful, exit code 0 [2023-01-10 17:25:35,515 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (10)] Ended with exit code 0 [2023-01-10 17:25:35,716 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (8)] Forceful destruction successful, exit code 0 [2023-01-10 17:25:35,916 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (7)] Forceful destruction successful, exit code 0 [2023-01-10 17:25:36,116 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (6)] Forceful destruction successful, exit code 0 [2023-01-10 17:25:36,316 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (5)] Forceful destruction successful, exit code 0 [2023-01-10 17:25:36,519 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Forceful destruction successful, exit code 0 [2023-01-10 17:25:36,714 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Forceful destruction successful, exit code 0 [2023-01-10 17:25:36,914 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 [2023-01-10 17:25:37,121 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...