/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --traceabstraction.prune.known.deadend.states.from.previous.iterations false -s ../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_ERROR_LOCATION -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-more-array-sum-alt.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.dynamic-abstractions-57af04c-m [2024-01-26 01:31:33,038 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-26 01:31:33,113 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf [2024-01-26 01:31:33,116 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-26 01:31:33,117 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-26 01:31:33,117 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-01-26 01:31:33,138 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-26 01:31:33,139 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-26 01:31:33,140 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-26 01:31:33,144 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-26 01:31:33,144 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-26 01:31:33,145 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-26 01:31:33,145 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-26 01:31:33,146 INFO L153 SettingsManager]: * Use SBE=true [2024-01-26 01:31:33,147 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-26 01:31:33,147 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-26 01:31:33,147 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-26 01:31:33,147 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-26 01:31:33,147 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-26 01:31:33,147 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-26 01:31:33,148 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-26 01:31:33,148 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-26 01:31:33,149 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-26 01:31:33,150 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-26 01:31:33,150 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-26 01:31:33,150 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-26 01:31:33,150 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-26 01:31:33,151 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-26 01:31:33,151 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-01-26 01:31:33,151 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-26 01:31:33,152 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-01-26 01:31:33,152 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-26 01:31:33,152 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-26 01:31:33,152 INFO L153 SettingsManager]: * Abstraction for dynamic stratified reduction=VARIABLES_GLOBAL [2024-01-26 01:31:33,152 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2024-01-26 01:31:33,152 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-26 01:31:33,152 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-26 01:31:33,152 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-26 01:31:33,153 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-01-26 01:31:33,153 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-26 01:31:33,153 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=DYNAMIC_ABSTRACTIONS [2024-01-26 01:31:33,153 INFO L153 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/UGemCutter-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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Prune known deadend states from previous iterations -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION [2024-01-26 01:31:33,364 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-26 01:31:33,383 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-26 01:31:33,385 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-26 01:31:33,386 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-26 01:31:33,386 INFO L274 PluginConnector]: CDTParser initialized [2024-01-26 01:31:33,387 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-more-array-sum-alt.wvr.c [2024-01-26 01:31:34,442 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-26 01:31:34,607 INFO L384 CDTParser]: Found 1 translation units. [2024-01-26 01:31:34,608 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-array-sum-alt.wvr.c [2024-01-26 01:31:34,621 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/ac7b2c997/3c548888ed304b12b9cf488e4f9bc49b/FLAGebae78c0a [2024-01-26 01:31:34,632 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/ac7b2c997/3c548888ed304b12b9cf488e4f9bc49b [2024-01-26 01:31:34,634 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-26 01:31:34,635 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-26 01:31:34,635 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-26 01:31:34,635 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-26 01:31:34,640 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-26 01:31:34,640 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.01 01:31:34" (1/1) ... [2024-01-26 01:31:34,641 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@787ee6de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 01:31:34, skipping insertion in model container [2024-01-26 01:31:34,641 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.01 01:31:34" (1/1) ... [2024-01-26 01:31:34,655 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-01-26 01:31:34,779 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-array-sum-alt.wvr.c[2800,2813] [2024-01-26 01:31:34,788 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-26 01:31:34,795 INFO L202 MainTranslator]: Completed pre-run [2024-01-26 01:31:34,811 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-array-sum-alt.wvr.c[2800,2813] [2024-01-26 01:31:34,824 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-26 01:31:34,838 INFO L206 MainTranslator]: Completed translation [2024-01-26 01:31:34,839 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 01:31:34 WrapperNode [2024-01-26 01:31:34,839 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-26 01:31:34,840 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-01-26 01:31:34,840 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-01-26 01:31:34,840 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-01-26 01:31:34,845 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 01:31:34" (1/1) ... [2024-01-26 01:31:34,851 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 01:31:34" (1/1) ... [2024-01-26 01:31:34,870 INFO L138 Inliner]: procedures = 25, calls = 51, calls flagged for inlining = 12, calls inlined = 16, statements flattened = 209 [2024-01-26 01:31:34,870 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-01-26 01:31:34,871 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-01-26 01:31:34,871 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-01-26 01:31:34,871 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-01-26 01:31:34,882 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 01:31:34" (1/1) ... [2024-01-26 01:31:34,883 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 01:31:34" (1/1) ... [2024-01-26 01:31:34,885 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 01:31:34" (1/1) ... [2024-01-26 01:31:34,885 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 01:31:34" (1/1) ... [2024-01-26 01:31:34,905 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 01:31:34" (1/1) ... [2024-01-26 01:31:34,908 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 01:31:34" (1/1) ... [2024-01-26 01:31:34,909 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 01:31:34" (1/1) ... [2024-01-26 01:31:34,910 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 01:31:34" (1/1) ... [2024-01-26 01:31:34,912 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-01-26 01:31:34,912 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-01-26 01:31:34,913 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-01-26 01:31:34,913 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-01-26 01:31:34,913 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 01:31:34" (1/1) ... [2024-01-26 01:31:34,926 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-01-26 01:31:34,947 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 01:31:34,961 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-01-26 01:31:34,981 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-01-26 01:31:34,997 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-01-26 01:31:34,997 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-01-26 01:31:34,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-01-26 01:31:34,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-01-26 01:31:34,997 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-01-26 01:31:34,997 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-01-26 01:31:34,997 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-01-26 01:31:34,997 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-01-26 01:31:34,997 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-01-26 01:31:34,998 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-01-26 01:31:34,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-01-26 01:31:34,999 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-01-26 01:31:34,999 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-01-26 01:31:35,000 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-01-26 01:31:35,000 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-01-26 01:31:35,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-01-26 01:31:35,000 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-01-26 01:31:35,001 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-01-26 01:31:35,099 INFO L241 CfgBuilder]: Building ICFG [2024-01-26 01:31:35,101 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-01-26 01:31:35,301 INFO L282 CfgBuilder]: Performing block encoding [2024-01-26 01:31:35,415 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-01-26 01:31:35,415 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2024-01-26 01:31:35,415 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.01 01:31:35 BoogieIcfgContainer [2024-01-26 01:31:35,415 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-01-26 01:31:35,417 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-01-26 01:31:35,418 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-01-26 01:31:35,425 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-01-26 01:31:35,426 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.01 01:31:34" (1/3) ... [2024-01-26 01:31:35,426 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58e4d2ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.01 01:31:35, skipping insertion in model container [2024-01-26 01:31:35,427 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 01:31:34" (2/3) ... [2024-01-26 01:31:35,427 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58e4d2ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.01 01:31:35, skipping insertion in model container [2024-01-26 01:31:35,428 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.01 01:31:35" (3/3) ... [2024-01-26 01:31:35,430 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-array-sum-alt.wvr.c [2024-01-26 01:31:35,439 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-01-26 01:31:35,447 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-01-26 01:31:35,447 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-01-26 01:31:35,448 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-01-26 01:31:35,536 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-01-26 01:31:35,586 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-26 01:31:35,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-01-26 01:31:35,587 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 01:31:35,589 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-01-26 01:31:35,592 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-01-26 01:31:35,625 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-01-26 01:31:35,635 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2024-01-26 01:31:35,640 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;@61e6988e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-26 01:31:35,640 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. Found a loop, use abstraction hammer [2024-01-26 01:31:38,919 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 01:31:38,922 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 01:31:38,922 INFO L85 PathProgramCache]: Analyzing trace with hash -54001339, now seen corresponding path program 1 times [2024-01-26 01:31:38,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 01:31:38,928 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1252659825] [2024-01-26 01:31:38,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 01:31:38,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 01:31:39,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 01:31:39,210 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-01-26 01:31:39,211 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 01:31:39,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1252659825] [2024-01-26 01:31:39,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1252659825] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-26 01:31:39,211 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-26 01:31:39,212 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-26 01:31:39,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [331288258] [2024-01-26 01:31:39,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-26 01:31:39,223 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-01-26 01:31:39,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 01:31:39,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-01-26 01:31:39,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-01-26 01:31:39,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 01:31:39,245 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 01:31:39,246 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 63.0) internal successors, (126), 2 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) [2024-01-26 01:31:39,246 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer [2024-01-26 01:31:42,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 01:31:42,200 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-01-26 01:31:42,201 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 01:31:42,201 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 01:31:42,201 INFO L85 PathProgramCache]: Analyzing trace with hash 1247903151, now seen corresponding path program 1 times [2024-01-26 01:31:42,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 01:31:42,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008258850] [2024-01-26 01:31:42,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 01:31:42,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 01:31:42,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 01:31:42,486 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-01-26 01:31:42,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 01:31:42,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2008258850] [2024-01-26 01:31:42,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2008258850] provided 0 perfect and 1 imperfect interpolant sequences [2024-01-26 01:31:42,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [13238156] [2024-01-26 01:31:42,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 01:31:42,487 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 01:31:42,487 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 01:31:42,567 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-01-26 01:31:42,612 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-01-26 01:31:42,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 01:31:42,758 INFO L262 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 6 conjunts are in the unsatisfiable core [2024-01-26 01:31:42,766 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-01-26 01:31:42,893 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-01-26 01:31:42,893 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-01-26 01:31:43,048 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-01-26 01:31:43,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [13238156] provided 1 perfect and 1 imperfect interpolant sequences [2024-01-26 01:31:43,048 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-01-26 01:31:43,049 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8, 7] total 14 [2024-01-26 01:31:43,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919415606] [2024-01-26 01:31:43,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-26 01:31:43,051 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-01-26 01:31:43,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 01:31:43,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-01-26 01:31:43,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2024-01-26 01:31:43,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 01:31:43,054 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 01:31:43,054 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 18.571428571428573) internal successors, (130), 7 states have internal predecessors, (130), 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) [2024-01-26 01:31:43,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 01:31:43,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer [2024-01-26 01:31:43,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 01:31:43,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-01-26 01:31:43,168 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-01-26 01:31:43,367 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-01-26 01:31:43,368 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 01:31:43,368 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 01:31:43,368 INFO L85 PathProgramCache]: Analyzing trace with hash -1218354147, now seen corresponding path program 1 times [2024-01-26 01:31:43,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 01:31:43,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145485688] [2024-01-26 01:31:43,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 01:31:43,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 01:31:43,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 01:31:43,595 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-01-26 01:31:43,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 01:31:43,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1145485688] [2024-01-26 01:31:43,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1145485688] provided 0 perfect and 1 imperfect interpolant sequences [2024-01-26 01:31:43,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [525162740] [2024-01-26 01:31:43,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 01:31:43,596 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 01:31:43,596 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 01:31:43,597 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-01-26 01:31:43,624 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-01-26 01:31:43,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 01:31:43,721 INFO L262 TraceCheckSpWp]: Trace formula consists of 372 conjuncts, 10 conjunts are in the unsatisfiable core [2024-01-26 01:31:43,724 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-01-26 01:31:43,899 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-01-26 01:31:43,899 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-01-26 01:31:44,116 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-01-26 01:31:44,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [525162740] provided 0 perfect and 2 imperfect interpolant sequences [2024-01-26 01:31:44,116 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-01-26 01:31:44,116 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 24 [2024-01-26 01:31:44,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641180969] [2024-01-26 01:31:44,116 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-01-26 01:31:44,117 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-01-26 01:31:44,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 01:31:44,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-01-26 01:31:44,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=435, Unknown=0, NotChecked=0, Total=552 [2024-01-26 01:31:44,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 01:31:44,118 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 01:31:44,119 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 8.208333333333334) internal successors, (197), 24 states have internal predecessors, (197), 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) [2024-01-26 01:31:44,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 01:31:44,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-01-26 01:31:44,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer [2024-01-26 01:31:46,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 01:31:46,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-01-26 01:31:46,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-01-26 01:31:46,273 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-01-26 01:31:46,470 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 01:31:46,470 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 01:31:46,471 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 01:31:46,471 INFO L85 PathProgramCache]: Analyzing trace with hash 652641547, now seen corresponding path program 2 times [2024-01-26 01:31:46,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 01:31:46,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1434529854] [2024-01-26 01:31:46,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 01:31:46,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 01:31:46,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 01:31:46,827 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 2 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-01-26 01:31:46,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 01:31:46,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1434529854] [2024-01-26 01:31:46,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1434529854] provided 0 perfect and 1 imperfect interpolant sequences [2024-01-26 01:31:46,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [48431003] [2024-01-26 01:31:46,828 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-01-26 01:31:46,828 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 01:31:46,828 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 01:31:46,832 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-01-26 01:31:46,859 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-01-26 01:31:46,941 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-01-26 01:31:46,942 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-01-26 01:31:46,945 INFO L262 TraceCheckSpWp]: Trace formula consists of 402 conjuncts, 14 conjunts are in the unsatisfiable core [2024-01-26 01:31:46,953 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-01-26 01:31:47,206 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 10 proven. 25 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-01-26 01:31:47,206 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-01-26 01:31:47,496 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 27 proven. 8 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-01-26 01:31:47,496 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [48431003] provided 0 perfect and 2 imperfect interpolant sequences [2024-01-26 01:31:47,497 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-01-26 01:31:47,497 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 34 [2024-01-26 01:31:47,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024612093] [2024-01-26 01:31:47,497 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-01-26 01:31:47,497 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-01-26 01:31:47,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 01:31:47,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-01-26 01:31:47,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=204, Invalid=918, Unknown=0, NotChecked=0, Total=1122 [2024-01-26 01:31:47,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 01:31:47,499 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 01:31:47,499 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 6.852941176470588) internal successors, (233), 34 states have internal predecessors, (233), 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) [2024-01-26 01:31:47,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 01:31:47,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-01-26 01:31:47,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-01-26 01:31:47,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer [2024-01-26 01:31:49,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 01:31:49,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-01-26 01:31:49,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-01-26 01:31:49,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-01-26 01:31:49,509 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-01-26 01:31:49,705 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 01:31:49,706 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 01:31:49,706 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 01:31:49,706 INFO L85 PathProgramCache]: Analyzing trace with hash -1604435847, now seen corresponding path program 3 times [2024-01-26 01:31:49,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 01:31:49,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1884159913] [2024-01-26 01:31:49,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 01:31:49,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 01:31:49,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 01:31:50,135 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 12 proven. 61 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-01-26 01:31:50,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 01:31:50,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1884159913] [2024-01-26 01:31:50,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1884159913] provided 0 perfect and 1 imperfect interpolant sequences [2024-01-26 01:31:50,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1965337523] [2024-01-26 01:31:50,135 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-01-26 01:31:50,135 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 01:31:50,136 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 01:31:50,137 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-01-26 01:31:50,139 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-01-26 01:31:50,419 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-01-26 01:31:50,419 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-01-26 01:31:50,421 INFO L262 TraceCheckSpWp]: Trace formula consists of 432 conjuncts, 20 conjunts are in the unsatisfiable core [2024-01-26 01:31:50,423 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-01-26 01:31:50,866 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 27 proven. 34 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-01-26 01:31:50,866 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-01-26 01:31:51,357 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 52 proven. 9 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-01-26 01:31:51,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1965337523] provided 0 perfect and 2 imperfect interpolant sequences [2024-01-26 01:31:51,358 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-01-26 01:31:51,358 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 21, 21] total 53 [2024-01-26 01:31:51,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290545952] [2024-01-26 01:31:51,358 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-01-26 01:31:51,358 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 53 states [2024-01-26 01:31:51,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 01:31:51,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2024-01-26 01:31:51,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=352, Invalid=2404, Unknown=0, NotChecked=0, Total=2756 [2024-01-26 01:31:51,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 01:31:51,361 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 01:31:51,361 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 53 states, 53 states have (on average 5.962264150943396) internal successors, (316), 53 states have internal predecessors, (316), 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) [2024-01-26 01:31:51,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 01:31:51,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-01-26 01:31:51,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-01-26 01:31:51,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-01-26 01:31:51,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer [2024-01-26 01:31:52,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 01:31:52,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-01-26 01:31:52,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-01-26 01:31:52,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-01-26 01:31:52,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-01-26 01:31:52,199 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-01-26 01:31:52,391 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 01:31:52,392 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 01:31:52,392 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 01:31:52,392 INFO L85 PathProgramCache]: Analyzing trace with hash -1871591089, now seen corresponding path program 4 times [2024-01-26 01:31:52,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 01:31:52,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604058305] [2024-01-26 01:31:52,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 01:31:52,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 01:31:52,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 01:31:52,829 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 30 proven. 95 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-01-26 01:31:52,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 01:31:52,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [604058305] [2024-01-26 01:31:52,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [604058305] provided 0 perfect and 1 imperfect interpolant sequences [2024-01-26 01:31:52,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [121578274] [2024-01-26 01:31:52,829 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-01-26 01:31:52,829 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 01:31:52,829 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 01:31:52,830 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-01-26 01:31:52,843 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-01-26 01:31:52,944 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-01-26 01:31:52,945 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-01-26 01:31:52,946 INFO L262 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 22 conjunts are in the unsatisfiable core [2024-01-26 01:31:52,948 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-01-26 01:31:53,425 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 52 proven. 73 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-01-26 01:31:53,425 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-01-26 01:31:53,874 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 85 proven. 40 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-01-26 01:31:53,874 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [121578274] provided 0 perfect and 2 imperfect interpolant sequences [2024-01-26 01:31:53,874 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-01-26 01:31:53,874 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 54 [2024-01-26 01:31:53,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011436442] [2024-01-26 01:31:53,875 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-01-26 01:31:53,875 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2024-01-26 01:31:53,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 01:31:53,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2024-01-26 01:31:53,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=456, Invalid=2406, Unknown=0, NotChecked=0, Total=2862 [2024-01-26 01:31:53,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 01:31:53,877 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 01:31:53,877 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 54 states have (on average 5.648148148148148) internal successors, (305), 54 states have internal predecessors, (305), 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) [2024-01-26 01:31:53,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 01:31:53,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-01-26 01:31:53,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-01-26 01:31:53,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-01-26 01:31:53,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-01-26 01:31:53,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Received shutdown request... [2024-01-26 01:46:14,165 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-01-26 01:46:14,166 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-01-26 01:46:14,170 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-01-26 01:46:14,330 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-01-26 01:46:14,525 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 01:46:14,525 WARN L619 AbstractCegarLoop]: Verification canceled: while executing DynamicStratifiedReduction. [2024-01-26 01:46:14,527 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-01-26 01:46:14,569 INFO L445 BasicCegarLoop]: Path program histogram: [4, 1, 1] [2024-01-26 01:46:14,570 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION was TIMEOUT (1/4) [2024-01-26 01:46:14,571 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-01-26 01:46:14,571 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-01-26 01:46:14,573 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.01 01:46:14 BasicIcfg [2024-01-26 01:46:14,573 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-01-26 01:46:14,573 INFO L158 Benchmark]: Toolchain (without parser) took 879938.71ms. Allocated memory was 246.4MB in the beginning and 660.6MB in the end (delta: 414.2MB). Free memory was 203.1MB in the beginning and 275.6MB in the end (delta: -72.4MB). Peak memory consumption was 535.2MB. Max. memory is 8.0GB. [2024-01-26 01:46:14,573 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 202.4MB. Free memory is still 149.9MB. There was no memory consumed. Max. memory is 8.0GB. [2024-01-26 01:46:14,574 INFO L158 Benchmark]: CACSL2BoogieTranslator took 203.89ms. Allocated memory is still 246.4MB. Free memory was 203.1MB in the beginning and 190.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2024-01-26 01:46:14,574 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.25ms. Allocated memory is still 246.4MB. Free memory was 190.5MB in the beginning and 188.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-01-26 01:46:14,574 INFO L158 Benchmark]: Boogie Preprocessor took 41.29ms. Allocated memory is still 246.4MB. Free memory was 188.4MB in the beginning and 186.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-01-26 01:46:14,574 INFO L158 Benchmark]: RCFGBuilder took 502.90ms. Allocated memory is still 246.4MB. Free memory was 186.3MB in the beginning and 147.0MB in the end (delta: 39.3MB). Peak memory consumption was 39.8MB. Max. memory is 8.0GB. [2024-01-26 01:46:14,574 INFO L158 Benchmark]: TraceAbstraction took 879155.55ms. Allocated memory was 246.4MB in the beginning and 660.6MB in the end (delta: 414.2MB). Free memory was 146.5MB in the beginning and 275.6MB in the end (delta: -129.1MB). Peak memory consumption was 478.6MB. Max. memory is 8.0GB. [2024-01-26 01:46:14,575 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 202.4MB. Free memory is still 149.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 203.89ms. Allocated memory is still 246.4MB. Free memory was 203.1MB in the beginning and 190.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 30.25ms. Allocated memory is still 246.4MB. Free memory was 190.5MB in the beginning and 188.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 41.29ms. Allocated memory is still 246.4MB. Free memory was 188.4MB in the beginning and 186.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 502.90ms. Allocated memory is still 246.4MB. Free memory was 186.3MB in the beginning and 147.0MB in the end (delta: 39.3MB). Peak memory consumption was 39.8MB. Max. memory is 8.0GB. * TraceAbstraction took 879155.55ms. Allocated memory was 246.4MB in the beginning and 660.6MB in the end (delta: 414.2MB). Free memory was 146.5MB in the beginning and 275.6MB in the end (delta: -129.1MB). Peak memory consumption was 478.6MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 42584, independent: 40138, independent conditional: 40138, independent unconditional: 0, dependent: 2446, dependent conditional: 2446, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 40435, independent: 40138, independent conditional: 40138, independent unconditional: 0, dependent: 297, dependent conditional: 297, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 40435, independent: 40138, independent conditional: 40138, independent unconditional: 0, dependent: 297, dependent conditional: 297, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 41874, independent: 40138, independent conditional: 0, independent unconditional: 40138, dependent: 1736, dependent conditional: 1439, dependent unconditional: 297, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 41874, independent: 40138, independent conditional: 0, independent unconditional: 40138, dependent: 1736, dependent conditional: 0, dependent unconditional: 1736, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 41874, independent: 40138, independent conditional: 0, independent unconditional: 40138, dependent: 1736, dependent conditional: 0, dependent unconditional: 1736, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 40435, independent: 40138, independent conditional: 0, independent unconditional: 40138, dependent: 297, dependent conditional: 0, dependent unconditional: 297, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 40435, independent: 40138, independent conditional: 0, independent unconditional: 40138, dependent: 297, dependent conditional: 0, dependent unconditional: 297, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 297, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 297, dependent conditional: 0, dependent unconditional: 297, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 297, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 297, dependent conditional: 0, dependent unconditional: 297, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 297, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 297, dependent conditional: 0, dependent unconditional: 297, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 455, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 455, dependent conditional: 0, dependent unconditional: 455, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 41874, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 1439, dependent conditional: 0, dependent unconditional: 1439, unknown: 40435, unknown conditional: 0, unknown unconditional: 40435] , Statistics on independence cache: Total cache size (in pairs): 40435, Positive cache size: 40138, Positive conditional cache size: 0, Positive unconditional cache size: 40138, Negative cache size: 297, Negative conditional cache size: 0, Negative unconditional cache size: 297, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1439, Maximal queried relation: 6, Independence queries for same thread: 2149 - StatisticsResult: Proof manager benchmarks IrresponsibleProofs: 14, RedundantProofs: 4, ProvenStates: 2062, Times there's more than one choice: 1800, Avg number of choices: 4.911736178467507 - StatisticsResult: Reduction benchmarks 0.2s Time before loop, 0.6s Time in loop, 0.8s Time in total, Has Loop: true, Protected Variables: [write~init~int_#value, ULTIMATE.start_create_fresh_int_array_~arr~0#1.base, ULTIMATE.start_create_fresh_int_array_~i~3#1, thread3Thread1of1ForFork1_plus_~a#1, thread3Thread1of1ForFork1_plus_~b#1, thread2Thread1of1ForFork0_thidvar0, old(thread2Thread1of1ForFork0_thidvar0), thread2Thread1of1ForFork0_thidvar1, old(thread2Thread1of1ForFork0_thidvar1), thread2Thread1of1ForFork0_thidvar2, old(thread2Thread1of1ForFork0_thidvar2), thread1Thread1of1ForFork2_thidvar0, old(thread1Thread1of1ForFork2_thidvar0), thread1Thread1of1ForFork2_thidvar1, old(thread1Thread1of1ForFork2_thidvar1), write~int_#ptr.base, #Ultimate.allocOnHeap_#res.offset, thread2Thread1of1ForFork0_#t~ret6#1, thread1_#res#1.base, thread2_#res#1.base, thread3_#res#1.base, ULTIMATE.start_main_#t~mem19#1, thread2Thread1of1ForFork0_~_argptr#1.base, thread1_plus_#res#1, thread2_plus_#res#1, thread3_plus_#res#1, thread1_#t~mem2#1, ULTIMATE.start_main_#t~mem20#1, ULTIMATE.start_main_#t~mem21#1, thread2_#t~mem5#1, thread3_#t~mem8#1, thread2Thread1of1ForFork0_plus_#in~a#1, thread2Thread1of1ForFork0_plus_#in~b#1, ULTIMATE.start_main_#res#1, thread2Thread1of1ForFork0_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#res#1.base, ULTIMATE.start_create_fresh_int_array_~size#1, thread3Thread1of1ForFork1_#t~post7#1, thread1_#t~ret3#1, thread2_#t~ret6#1, ULTIMATE.start_main_~#t3~0#1.offset, thread3_#t~ret9#1, thread3Thread1of1ForFork1_~_argptr#1.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, thread1Thread1of1ForFork2_#res#1.base, thread1_~_argptr#1.base, thread2_~_argptr#1.base, thread3_~_argptr#1.base, thread1Thread1of1ForFork2_plus_#res#1, thread1_plus_#in~a#1, thread2_plus_#in~a#1, thread3_plus_#in~a#1, thread1_plus_#in~b#1, thread2_plus_#in~b#1, thread3_plus_#in~b#1, thread1Thread1of1ForFork2_#t~mem2#1, read~int_#ptr.base, ULTIMATE.start_#t~ret25#1, ULTIMATE.start_create_fresh_int_array_#in~size#1, thread1_#res#1.offset, thread2_#res#1.offset, thread3_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#t~nondet24#1, thread2Thread1of1ForFork0_plus_~a#1, thread2Thread1of1ForFork0_plus_~b#1, thread3Thread1of1ForFork1_#in~_argptr#1.offset, thread1Thread1of1ForFork2_#t~ret3#1, thread1Thread1of1ForFork2_~_argptr#1.base, ULTIMATE.start_main_~#t2~0#1.offset, thread1Thread1of1ForFork2_plus_#in~a#1, thread1Thread1of1ForFork2_plus_#in~b#1, #Ultimate.allocOnStack_~size, thread1Thread1of1ForFork2_#res#1.offset, thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork0_#t~post4#1, read~int_#sizeOfReadType, thread1_plus_~a#1, thread2_plus_~a#1, thread3_plus_~a#1, thread1_plus_~b#1, thread2_plus_~b#1, thread3_plus_~b#1, write~init~int_#sizeOfWrittenType, thread2Thread1of1ForFork0_~_argptr#1.offset, thread3Thread1of1ForFork1_#in~_argptr#1.base, ULTIMATE.start_main_~#t1~0#1.offset, thread1_#t~post1#1, thread2_#t~post4#1, thread3_#t~post7#1, ULTIMATE.start_main_#t~pre13#1, ULTIMATE.start_main_#t~pre15#1, ULTIMATE.start_main_#t~pre17#1, thread1Thread1of1ForFork2_plus_~a#1, thread1Thread1of1ForFork2_plus_~b#1, #Ultimate.allocOnStack_#res.offset, thread2Thread1of1ForFork0_#in~_argptr#1.offset, ULTIMATE.dealloc_~addr.offset, thread1_~_argptr#1.offset, thread2_~_argptr#1.offset, thread3_~_argptr#1.offset, write~int_#value, ~A~0.offset, old(~A~0.offset), write~init~int_#ptr.offset, ULTIMATE.dealloc_~addr.base, thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1, ULTIMATE.start_assume_abort_if_not_~cond#1, #pthreadsForks, old(#pthreadsForks), thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1, thread1Thread1of1ForFork2_#t~post1#1, thread1_#in~_argptr#1.offset, thread2_#in~_argptr#1.offset, thread3_#in~_argptr#1.offset, thread1Thread1of1ForFork2_~_argptr#1.offset, ~M~0, old(~M~0), ~N~0, old(~N~0), #Ultimate.allocOnHeap_#res.base, thread2Thread1of1ForFork0_#in~_argptr#1.base, thread3Thread1of1ForFork1_~tmp~2#1, #valid, old(#valid), read~int_#value, #Ultimate.allocInit_~size, thread3Thread1of1ForFork1_~i~2#1, thread1_assume_abort_if_not_~cond#1, thread2_assume_abort_if_not_~cond#1, thread3_assume_abort_if_not_~cond#1, write~init~int_#ptr.base, thread1Thread1of1ForFork2_#in~_argptr#1.offset, thread1_#in~_argptr#1.base, thread2_#in~_argptr#1.base, thread3_#in~_argptr#1.base, ULTIMATE.start_main_#t~ret12#1.base, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1, #Ultimate.allocInit_ptrBase, ULTIMATE.start_main_#t~nondet10#1, ULTIMATE.start_main_#t~nondet11#1, ULTIMATE.start_main_#t~nondet14#1, ULTIMATE.start_main_#t~nondet16#1, ULTIMATE.start_main_#t~nondet18#1, thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1, ULTIMATE.start_main_~#t1~0#1.base, #length, old(#length), thread1Thread1of1ForFork2_#in~_argptr#1.base, ULTIMATE.start_main_~#t2~0#1.base, thread2Thread1of1ForFork0_~tmp~1#1, write~int_#sizeOfWrittenType, thread3Thread1of1ForFork1_#res#1.base, ~A~0.base, old(~A~0.base), thread3Thread1of1ForFork1_plus_#res#1, thread3Thread1of1ForFork1_#t~mem8#1, ULTIMATE.start_main_~#t3~0#1.base, thread3Thread1of1ForFork1_thidvar0, old(thread3Thread1of1ForFork1_thidvar0), thread3Thread1of1ForFork1_thidvar1, old(thread3Thread1of1ForFork1_thidvar1), thread3Thread1of1ForFork1_thidvar2, old(thread3Thread1of1ForFork1_thidvar2), thread3Thread1of1ForFork1_thidvar3, old(thread3Thread1of1ForFork1_thidvar3), thread2Thread1of1ForFork0_~i~1#1, #StackHeapBarrier, old(#StackHeapBarrier), ULTIMATE.start_create_fresh_int_array_#t~post23#1, thread1_assume_abort_if_not_#in~cond#1, thread2_assume_abort_if_not_#in~cond#1, thread3_assume_abort_if_not_#in~cond#1, thread1_~tmp~0#1, thread2_~tmp~1#1, thread3_~tmp~2#1, thread3Thread1of1ForFork1_#t~ret9#1, thread3Thread1of1ForFork1_~_argptr#1.base, ULTIMATE.start_create_fresh_int_array_#t~malloc22#1.base, thread3Thread1of1ForFork1_plus_#in~a#1, thread3Thread1of1ForFork1_plus_#in~b#1, thread1_~i~0#1, thread2_~i~1#1, thread3_~i~2#1, write~int_#ptr.offset, ULTIMATE.start_create_fresh_int_array_#t~malloc22#1.offset, #Ultimate.allocOnHeap_~size, thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1, #memory_int, old(#memory_int), ~res1~0, old(~res1~0), ~res2~0, old(~res2~0), thread3Thread1of1ForFork1_#res#1.offset, ULTIMATE.start_main_#t~ret12#1.offset, #Ultimate.allocOnStack_#res.base, thread1Thread1of1ForFork2_~tmp~0#1, thread2Thread1of1ForFork0_#res#1.base, thread2Thread1of1ForFork0_plus_#res#1, thread2Thread1of1ForFork0_#t~mem5#1, thread1Thread1of1ForFork2_~i~0#1, read~int_#ptr.offset, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset], Protected Variables before encountering a loop: [] - TimeoutResultAtElement [Line: 104]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while executing DynamicStratifiedReduction. - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION with 1 thread instances CFG has 7 procedures, 190 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 879.0s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 4, EmptinessCheckTime: 871.8s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 173, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 4.8s InterpolantComputationTime, 1784 NumberOfCodeBlocks, 1762 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 2594 ConstructedInterpolants, 0 QuantifiedInterpolants, 7790 SizeOfPredicates, 68 NumberOfNonLiveVariables, 1910 ConjunctsInSsa, 72 ConjunctsInUnsatCore, 16 InterpolantComputations, 2 PerfectInterpolantSequences, 516/918 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown