/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-buffer-mult.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.dynamic-abstractions-57af04c-m [2024-01-26 01:33:30,883 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-26 01:33:30,941 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf [2024-01-26 01:33:30,944 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-26 01:33:30,944 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-26 01:33:30,944 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-01-26 01:33:30,957 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-26 01:33:30,957 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-26 01:33:30,957 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-26 01:33:30,958 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-26 01:33:30,958 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-26 01:33:30,958 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-26 01:33:30,959 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-26 01:33:30,959 INFO L153 SettingsManager]: * Use SBE=true [2024-01-26 01:33:30,959 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-26 01:33:30,959 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-26 01:33:30,960 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-26 01:33:30,961 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-26 01:33:30,961 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-26 01:33:30,962 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-26 01:33:30,962 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-26 01:33:30,973 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-26 01:33:30,973 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-26 01:33:30,973 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-26 01:33:30,973 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-26 01:33:30,974 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-26 01:33:30,974 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-26 01:33:30,974 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-26 01:33:30,974 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-01-26 01:33:30,974 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-26 01:33:30,974 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-01-26 01:33:30,975 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-26 01:33:30,975 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-26 01:33:30,975 INFO L153 SettingsManager]: * Abstraction for dynamic stratified reduction=VARIABLES_GLOBAL [2024-01-26 01:33:30,975 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2024-01-26 01:33:30,975 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-26 01:33:30,975 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-26 01:33:30,976 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-26 01:33:30,976 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-01-26 01:33:30,976 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-26 01:33:30,976 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=DYNAMIC_ABSTRACTIONS [2024-01-26 01:33:30,976 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Prune known deadend states from previous iterations -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION [2024-01-26 01:33:31,157 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-26 01:33:31,181 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-26 01:33:31,183 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-26 01:33:31,184 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-26 01:33:31,184 INFO L274 PluginConnector]: CDTParser initialized [2024-01-26 01:33:31,185 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-more-buffer-mult.wvr.c [2024-01-26 01:33:32,643 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-26 01:33:32,794 INFO L384 CDTParser]: Found 1 translation units. [2024-01-26 01:33:32,795 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-buffer-mult.wvr.c [2024-01-26 01:33:32,809 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/cd67aa712/225b113d98754e1c9c4e50ae83b3c88d/FLAG34c9a1031 [2024-01-26 01:33:32,824 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/cd67aa712/225b113d98754e1c9c4e50ae83b3c88d [2024-01-26 01:33:32,826 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-26 01:33:32,827 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-26 01:33:32,829 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-26 01:33:32,829 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-26 01:33:32,836 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-26 01:33:32,836 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.01 01:33:32" (1/1) ... [2024-01-26 01:33:32,837 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e7f471f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 01:33:32, skipping insertion in model container [2024-01-26 01:33:32,837 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.01 01:33:32" (1/1) ... [2024-01-26 01:33:32,856 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-01-26 01:33:32,974 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-buffer-mult.wvr.c[4270,4283] [2024-01-26 01:33:32,980 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-26 01:33:32,991 INFO L202 MainTranslator]: Completed pre-run [2024-01-26 01:33:33,011 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-buffer-mult.wvr.c[4270,4283] [2024-01-26 01:33:33,014 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-26 01:33:33,024 INFO L206 MainTranslator]: Completed translation [2024-01-26 01:33:33,025 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 01:33:33 WrapperNode [2024-01-26 01:33:33,025 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-26 01:33:33,026 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-01-26 01:33:33,026 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-01-26 01:33:33,026 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-01-26 01:33:33,030 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 01:33:33" (1/1) ... [2024-01-26 01:33:33,039 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 01:33:33" (1/1) ... [2024-01-26 01:33:33,063 INFO L138 Inliner]: procedures = 27, calls = 80, calls flagged for inlining = 18, calls inlined = 22, statements flattened = 320 [2024-01-26 01:33:33,063 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-01-26 01:33:33,064 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-01-26 01:33:33,064 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-01-26 01:33:33,064 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-01-26 01:33:33,070 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 01:33:33" (1/1) ... [2024-01-26 01:33:33,070 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 01:33:33" (1/1) ... [2024-01-26 01:33:33,073 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 01:33:33" (1/1) ... [2024-01-26 01:33:33,073 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 01:33:33" (1/1) ... [2024-01-26 01:33:33,081 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 01:33:33" (1/1) ... [2024-01-26 01:33:33,084 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 01:33:33" (1/1) ... [2024-01-26 01:33:33,085 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 01:33:33" (1/1) ... [2024-01-26 01:33:33,086 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 01:33:33" (1/1) ... [2024-01-26 01:33:33,089 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-01-26 01:33:33,089 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-01-26 01:33:33,090 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-01-26 01:33:33,090 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-01-26 01:33:33,090 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 01:33:33" (1/1) ... [2024-01-26 01:33:33,108 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-01-26 01:33:33,118 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 01:33:33,128 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 01:33:33,148 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 01:33:33,151 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-01-26 01:33:33,151 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-01-26 01:33:33,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-01-26 01:33:33,151 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-01-26 01:33:33,151 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-01-26 01:33:33,151 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-01-26 01:33:33,151 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-01-26 01:33:33,151 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-01-26 01:33:33,152 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-01-26 01:33:33,152 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-01-26 01:33:33,152 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-01-26 01:33:33,153 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-01-26 01:33:33,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-01-26 01:33:33,154 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-01-26 01:33:33,154 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-01-26 01:33:33,154 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-01-26 01:33:33,154 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-01-26 01:33:33,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-01-26 01:33:33,154 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-01-26 01:33:33,155 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 01:33:33,245 INFO L241 CfgBuilder]: Building ICFG [2024-01-26 01:33:33,247 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-01-26 01:33:33,625 INFO L282 CfgBuilder]: Performing block encoding [2024-01-26 01:33:33,751 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-01-26 01:33:33,752 INFO L309 CfgBuilder]: Removed 6 assume(true) statements. [2024-01-26 01:33:33,753 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.01 01:33:33 BoogieIcfgContainer [2024-01-26 01:33:33,754 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-01-26 01:33:33,758 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-01-26 01:33:33,758 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-01-26 01:33:33,761 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-01-26 01:33:33,761 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.01 01:33:32" (1/3) ... [2024-01-26 01:33:33,762 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@430430e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.01 01:33:33, skipping insertion in model container [2024-01-26 01:33:33,762 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 01:33:33" (2/3) ... [2024-01-26 01:33:33,763 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@430430e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.01 01:33:33, skipping insertion in model container [2024-01-26 01:33:33,763 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.01 01:33:33" (3/3) ... [2024-01-26 01:33:33,765 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-buffer-mult.wvr.c [2024-01-26 01:33:33,771 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-01-26 01:33:33,777 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-01-26 01:33:33,777 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-01-26 01:33:33,777 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-01-26 01:33:33,854 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-01-26 01:33:33,898 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-26 01:33:33,899 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-01-26 01:33:33,899 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 01:33:33,903 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 01:33:33,916 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 01:33:33,947 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-01-26 01:33:33,953 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2024-01-26 01:33:33,957 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;@3cbabf26, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-26 01:33:33,957 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. Found a loop, use abstraction hammer [2024-01-26 01:34:23,634 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 01:34:23,637 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 01:34:23,638 INFO L85 PathProgramCache]: Analyzing trace with hash -935835442, now seen corresponding path program 1 times [2024-01-26 01:34:23,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 01:34:23,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739507989] [2024-01-26 01:34:23,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 01:34:23,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 01:34:23,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 01:34:23,988 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-01-26 01:34:23,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 01:34:23,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1739507989] [2024-01-26 01:34:23,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1739507989] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-26 01:34:23,989 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-26 01:34:23,990 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-26 01:34:23,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762310137] [2024-01-26 01:34:23,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-26 01:34:23,998 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-01-26 01:34:23,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 01:34:24,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-01-26 01:34:24,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-01-26 01:34:24,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 01:34:24,024 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 01:34:24,025 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 98.0) internal successors, (196), 2 states have internal predecessors, (196), 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 01:34:24,025 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 01:35:03,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 01:35:03,315 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-01-26 01:35:03,315 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 01:35:03,315 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 01:35:03,315 INFO L85 PathProgramCache]: Analyzing trace with hash -354373085, now seen corresponding path program 1 times [2024-01-26 01:35:03,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 01:35:03,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443839820] [2024-01-26 01:35:03,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 01:35:03,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 01:35:03,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 01:35:03,848 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-01-26 01:35:03,849 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 01:35:03,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [443839820] [2024-01-26 01:35:03,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [443839820] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-26 01:35:03,849 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-26 01:35:03,849 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-01-26 01:35:03,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393555025] [2024-01-26 01:35:03,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-26 01:35:03,850 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-01-26 01:35:03,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 01:35:03,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-01-26 01:35:03,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-01-26 01:35:03,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 01:35:03,865 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 01:35:03,865 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 33.666666666666664) internal successors, (202), 6 states have internal predecessors, (202), 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 01:35:03,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 01:35:03,865 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 01:35:53,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 01:35:53,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-01-26 01:35:53,199 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-01-26 01:35:53,199 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 01:35:53,200 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 01:35:53,200 INFO L85 PathProgramCache]: Analyzing trace with hash 582358709, now seen corresponding path program 1 times [2024-01-26 01:35:53,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 01:35:53,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606852457] [2024-01-26 01:35:53,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 01:35:53,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 01:35:53,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 01:35:53,589 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-01-26 01:35:53,590 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 01:35:53,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [606852457] [2024-01-26 01:35:53,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [606852457] provided 0 perfect and 1 imperfect interpolant sequences [2024-01-26 01:35:53,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [444923555] [2024-01-26 01:35:53,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 01:35:53,591 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 01:35:53,592 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 01:35:53,630 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 01:35:53,634 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 01:35:53,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 01:35:53,781 INFO L262 TraceCheckSpWp]: Trace formula consists of 552 conjuncts, 9 conjunts are in the unsatisfiable core [2024-01-26 01:35:53,789 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-01-26 01:35:54,021 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-01-26 01:35:54,022 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-01-26 01:35:54,257 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-01-26 01:35:54,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [444923555] provided 0 perfect and 2 imperfect interpolant sequences [2024-01-26 01:35:54,257 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-01-26 01:35:54,258 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 19 [2024-01-26 01:35:54,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1395056926] [2024-01-26 01:35:54,258 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-01-26 01:35:54,260 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-01-26 01:35:54,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 01:35:54,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-01-26 01:35:54,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=265, Unknown=0, NotChecked=0, Total=342 [2024-01-26 01:35:54,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 01:35:54,262 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 01:35:54,262 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 14.68421052631579) internal successors, (279), 19 states have internal predecessors, (279), 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 01:35:54,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 01:35:54,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-01-26 01:35:54,262 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 01:36:42,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 01:36:42,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-01-26 01:36:42,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-01-26 01:36:42,301 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-01-26 01:36:42,500 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,SelfDestructingSolverStorable2 [2024-01-26 01:36:42,501 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 01:36:42,501 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 01:36:42,502 INFO L85 PathProgramCache]: Analyzing trace with hash 69952957, now seen corresponding path program 2 times [2024-01-26 01:36:42,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 01:36:42,502 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235342680] [2024-01-26 01:36:42,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 01:36:42,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 01:36:42,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 01:36:42,845 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-01-26 01:36:42,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 01:36:42,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1235342680] [2024-01-26 01:36:42,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1235342680] provided 0 perfect and 1 imperfect interpolant sequences [2024-01-26 01:36:42,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [566447317] [2024-01-26 01:36:42,852 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-01-26 01:36:42,852 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 01:36:42,853 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 01:36:42,865 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 01:36:42,865 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 01:36:43,033 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-01-26 01:36:43,034 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-01-26 01:36:43,036 INFO L262 TraceCheckSpWp]: Trace formula consists of 580 conjuncts, 9 conjunts are in the unsatisfiable core [2024-01-26 01:36:43,039 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-01-26 01:36:43,186 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 14 proven. 1 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-01-26 01:36:43,186 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-01-26 01:36:43,412 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-01-26 01:36:43,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [566447317] provided 0 perfect and 2 imperfect interpolant sequences [2024-01-26 01:36:43,412 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-01-26 01:36:43,413 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 19 [2024-01-26 01:36:43,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164410428] [2024-01-26 01:36:43,413 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-01-26 01:36:43,413 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-01-26 01:36:43,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 01:36:43,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-01-26 01:36:43,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=265, Unknown=0, NotChecked=0, Total=342 [2024-01-26 01:36:43,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 01:36:43,414 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 01:36:43,415 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 15.842105263157896) internal successors, (301), 19 states have internal predecessors, (301), 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 01:36:43,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 01:36:43,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-01-26 01:36:43,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-01-26 01:36:43,415 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 01:37:25,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 01:37:25,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-01-26 01:37:25,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-01-26 01:37:25,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-01-26 01:37:25,377 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-01-26 01:37:25,572 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 01:37:25,573 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 01:37:25,573 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 01:37:25,573 INFO L85 PathProgramCache]: Analyzing trace with hash 1556648015, now seen corresponding path program 3 times [2024-01-26 01:37:25,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 01:37:25,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130383894] [2024-01-26 01:37:25,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 01:37:25,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 01:37:25,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 01:37:25,911 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-01-26 01:37:25,912 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 01:37:25,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2130383894] [2024-01-26 01:37:25,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2130383894] provided 0 perfect and 1 imperfect interpolant sequences [2024-01-26 01:37:25,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [292431677] [2024-01-26 01:37:25,912 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-01-26 01:37:25,912 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 01:37:25,912 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 01:37:25,913 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 01:37:25,915 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 01:37:26,107 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-01-26 01:37:26,107 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-01-26 01:37:26,110 INFO L262 TraceCheckSpWp]: Trace formula consists of 580 conjuncts, 6 conjunts are in the unsatisfiable core [2024-01-26 01:37:26,113 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-01-26 01:37:26,164 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-01-26 01:37:26,165 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-01-26 01:37:26,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [292431677] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-26 01:37:26,165 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-01-26 01:37:26,165 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 9 [2024-01-26 01:37:26,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448867257] [2024-01-26 01:37:26,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-26 01:37:26,165 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-01-26 01:37:26,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 01:37:26,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-01-26 01:37:26,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-01-26 01:37:26,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 01:37:26,166 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 01:37:26,169 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 42.2) internal successors, (211), 5 states have internal predecessors, (211), 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 01:37:26,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 01:37:26,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-01-26 01:37:26,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-01-26 01:37:26,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-01-26 01:37:26,169 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 01:48:00,325 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-01-26 01:48:00,325 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 01:48:00,325 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 01:48:00,401 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-01-26 01:48:00,594 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 01:48:00,594 WARN L619 AbstractCegarLoop]: Verification canceled: while executing DynamicStratifiedReduction. [2024-01-26 01:48:00,596 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-01-26 01:48:00,670 INFO L445 BasicCegarLoop]: Path program histogram: [3, 1, 1] [2024-01-26 01:48:00,671 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION was TIMEOUT (1/5) [2024-01-26 01:48:00,672 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-01-26 01:48:00,672 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-01-26 01:48:00,674 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.01 01:48:00 BasicIcfg [2024-01-26 01:48:00,674 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-01-26 01:48:00,674 INFO L158 Benchmark]: Toolchain (without parser) took 867847.55ms. Allocated memory was 179.3MB in the beginning and 1.6GB in the end (delta: 1.4GB). Free memory was 138.9MB in the beginning and 649.6MB in the end (delta: -510.7MB). Peak memory consumption was 1.4GB. Max. memory is 8.0GB. [2024-01-26 01:48:00,674 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 179.3MB. Free memory was 131.9MB in the beginning and 131.7MB in the end (delta: 164.4kB). There was no memory consumed. Max. memory is 8.0GB. [2024-01-26 01:48:00,675 INFO L158 Benchmark]: CACSL2BoogieTranslator took 196.52ms. Allocated memory is still 179.3MB. Free memory was 138.5MB in the beginning and 125.4MB in the end (delta: 13.1MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2024-01-26 01:48:00,675 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.58ms. Allocated memory is still 179.3MB. Free memory was 125.4MB in the beginning and 122.6MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-01-26 01:48:00,675 INFO L158 Benchmark]: Boogie Preprocessor took 25.13ms. Allocated memory is still 179.3MB. Free memory was 122.6MB in the beginning and 120.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-01-26 01:48:00,675 INFO L158 Benchmark]: RCFGBuilder took 664.26ms. Allocated memory was 179.3MB in the beginning and 216.0MB in the end (delta: 36.7MB). Free memory was 120.1MB in the beginning and 172.8MB in the end (delta: -52.7MB). Peak memory consumption was 43.2MB. Max. memory is 8.0GB. [2024-01-26 01:48:00,676 INFO L158 Benchmark]: TraceAbstraction took 866915.62ms. Allocated memory was 216.0MB in the beginning and 1.6GB in the end (delta: 1.4GB). Free memory was 172.3MB in the beginning and 649.6MB in the end (delta: -477.3MB). Peak memory consumption was 1.4GB. Max. memory is 8.0GB. [2024-01-26 01:48:00,677 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 179.3MB. Free memory was 131.9MB in the beginning and 131.7MB in the end (delta: 164.4kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 196.52ms. Allocated memory is still 179.3MB. Free memory was 138.5MB in the beginning and 125.4MB in the end (delta: 13.1MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 37.58ms. Allocated memory is still 179.3MB. Free memory was 125.4MB in the beginning and 122.6MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 25.13ms. Allocated memory is still 179.3MB. Free memory was 122.6MB in the beginning and 120.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 664.26ms. Allocated memory was 179.3MB in the beginning and 216.0MB in the end (delta: 36.7MB). Free memory was 120.1MB in the beginning and 172.8MB in the end (delta: -52.7MB). Peak memory consumption was 43.2MB. Max. memory is 8.0GB. * TraceAbstraction took 866915.62ms. Allocated memory was 216.0MB in the beginning and 1.6GB in the end (delta: 1.4GB). Free memory was 172.3MB in the beginning and 649.6MB in the end (delta: -477.3MB). Peak memory consumption was 1.4GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 121637, independent: 114381, independent conditional: 114381, independent unconditional: 0, dependent: 7256, dependent conditional: 7256, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 115260, independent: 114381, independent conditional: 114381, independent unconditional: 0, dependent: 879, dependent conditional: 879, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 115260, independent: 114381, independent conditional: 114381, independent unconditional: 0, dependent: 879, dependent conditional: 879, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 117795, independent: 114381, independent conditional: 0, independent unconditional: 114381, dependent: 3414, dependent conditional: 2535, dependent unconditional: 879, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 117795, independent: 114381, independent conditional: 0, independent unconditional: 114381, dependent: 3414, dependent conditional: 0, dependent unconditional: 3414, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 117795, independent: 114381, independent conditional: 0, independent unconditional: 114381, dependent: 3414, dependent conditional: 0, dependent unconditional: 3414, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 115260, independent: 114381, independent conditional: 0, independent unconditional: 114381, dependent: 879, dependent conditional: 0, dependent unconditional: 879, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 115260, independent: 114381, independent conditional: 0, independent unconditional: 114381, dependent: 879, dependent conditional: 0, dependent unconditional: 879, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 879, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 879, dependent conditional: 0, dependent unconditional: 879, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 879, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 879, dependent conditional: 0, dependent unconditional: 879, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 879, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 879, dependent conditional: 0, dependent unconditional: 879, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2448, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 2448, dependent conditional: 0, dependent unconditional: 2448, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 117795, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 2535, dependent conditional: 0, dependent unconditional: 2535, unknown: 115260, unknown conditional: 0, unknown unconditional: 115260] , Statistics on independence cache: Total cache size (in pairs): 115260, Positive cache size: 114381, Positive conditional cache size: 0, Positive unconditional cache size: 114381, Negative cache size: 879, Negative conditional cache size: 0, Negative unconditional cache size: 879, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 2535, Maximal queried relation: 5, Independence queries for same thread: 6377 - StatisticsResult: Proof manager benchmarks IrresponsibleProofs: 9, RedundantProofs: 3, ProvenStates: 7526, Times there's more than one choice: 5520, Avg number of choices: 3.1589157587031624 - StatisticsResult: Reduction benchmarks 0.0s Time before loop, 41.9s Time in loop, 42.0s Time in total, Has Loop: true, Protected Variables: [write~init~int_#value, ULTIMATE.start_create_fresh_int_array_~arr~0#1.base, ULTIMATE.start_main_~#t4~0#1.offset, ULTIMATE.start_create_fresh_int_array_~i~1#1, thread3Thread1of1ForFork0_plus_~a#1, thread3Thread1of1ForFork0_plus_~b#1, thread4Thread1of1ForFork2_#in~_argptr#1.offset, write~int_#ptr.base, #Ultimate.allocOnHeap_#res.offset, thread1_#res#1.base, thread2_#res#1.base, thread3_#res#1.base, thread4_#res#1.base, ~q2_back~0, old(~q2_back~0), thread2Thread1of1ForFork3_~_argptr#1.base, thread3_plus_#res#1, thread4_plus_#res#1, thread1_#t~mem1#1, thread2_#t~mem4#1, thread3_#t~mem7#1, ULTIMATE.start_main_#t~mem29#1, ULTIMATE.start_main_#t~mem30#1, ULTIMATE.start_main_#t~mem31#1, ULTIMATE.start_main_#t~mem32#1, ULTIMATE.start_main_#res#1, thread3Thread1of1ForFork0_~cond~2#1, thread2Thread1of1ForFork3_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#res#1.base, ULTIMATE.start_create_fresh_int_array_~size#1, thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1, thread3Thread1of1ForFork0_#t~post9#1, ULTIMATE.start_main_#t~ret19#1.offset, ULTIMATE.start_main_~#t3~0#1.offset, thread3_#t~ret8#1, ~q1~0.offset, old(~q1~0.offset), thread3Thread1of1ForFork0_~_argptr#1.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, thread4Thread1of1ForFork2_#in~_argptr#1.base, thread1Thread1of1ForFork1_#res#1.base, thread1_~_argptr#1.base, thread2_~_argptr#1.base, thread3_~_argptr#1.base, thread4_~_argptr#1.base, thread3_plus_#in~a#1, thread4_plus_#in~a#1, thread3_plus_#in~b#1, thread4_plus_#in~b#1, thread1Thread1of1ForFork1_#t~mem1#1, read~int_#ptr.base, ULTIMATE.start_#t~ret36#1, thread3Thread1of1ForFork0_thidvar0, old(thread3Thread1of1ForFork0_thidvar0), thread3Thread1of1ForFork0_thidvar1, old(thread3Thread1of1ForFork0_thidvar1), thread3Thread1of1ForFork0_thidvar2, old(thread3Thread1of1ForFork0_thidvar2), thread3Thread1of1ForFork0_thidvar3, old(thread3Thread1of1ForFork0_thidvar3), ULTIMATE.start_create_fresh_int_array_#in~size#1, thread1_#res#1.offset, thread2_#res#1.offset, thread3_#res#1.offset, thread4_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#t~nondet35#1, thread4Thread1of1ForFork2_#t~post12#1, thread3Thread1of1ForFork0_#in~_argptr#1.offset, thread1Thread1of1ForFork1_~_argptr#1.base, ULTIMATE.start_main_~#t2~0#1.offset, thread4_#t~ret11#1, #Ultimate.allocOnStack_~size, ~total~0, old(~total~0), thread2Thread1of1ForFork3_~cond~1#1, thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1, thread1Thread1of1ForFork1_#res#1.offset, thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork3_#t~post5#1, thread2Thread1of1ForFork3_#t~post6#1, read~int_#sizeOfReadType, thread3_plus_~a#1, thread4_plus_~a#1, thread3_plus_~b#1, thread4_plus_~b#1, ULTIMATE.start_main_#t~ret20#1.base, write~init~int_#sizeOfWrittenType, ULTIMATE.start_main_#t~ret19#1.base, thread2Thread1of1ForFork3_~_argptr#1.offset, thread3Thread1of1ForFork0_#in~_argptr#1.base, ULTIMATE.start_main_~#t1~0#1.offset, ~n1~0, old(~n1~0), ~n2~0, old(~n2~0), ~q1~0.base, old(~q1~0.base), thread1_~cond~0#1, thread2_~cond~1#1, thread3_~cond~2#1, thread4_~cond~3#1, ULTIMATE.start_create_fresh_int_array_#t~malloc33#1.base, thread1_#t~post2#1, thread1_#t~post3#1, thread2_#t~post5#1, thread2_#t~post6#1, thread3_#t~post9#1, ULTIMATE.start_main_#t~pre21#1, ULTIMATE.start_main_#t~pre23#1, ULTIMATE.start_main_#t~pre25#1, ULTIMATE.start_main_#t~pre27#1, #Ultimate.allocOnStack_#res.offset, thread2Thread1of1ForFork3_#in~_argptr#1.offset, ULTIMATE.dealloc_~addr.offset, thread1_~_argptr#1.offset, thread2_~_argptr#1.offset, thread3_~_argptr#1.offset, thread4_~_argptr#1.offset, thread4Thread1of1ForFork2_#t~mem10#1, write~int_#value, write~init~int_#ptr.offset, ULTIMATE.dealloc_~addr.base, thread1Thread1of1ForFork1_thidvar0, old(thread1Thread1of1ForFork1_thidvar0), thread1Thread1of1ForFork1_thidvar1, old(thread1Thread1of1ForFork1_thidvar1), ~q2_front~0, old(~q2_front~0), ~q1_back~0, old(~q1_back~0), thread1Thread1of1ForFork1_~cond~0#1, thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1, ULTIMATE.start_assume_abort_if_not_~cond#1, #pthreadsForks, old(#pthreadsForks), thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1, ~q1_front~0, old(~q1_front~0), thread1Thread1of1ForFork1_#t~post2#1, thread1Thread1of1ForFork1_#t~post3#1, thread4Thread1of1ForFork2_thidvar0, old(thread4Thread1of1ForFork2_thidvar0), thread4Thread1of1ForFork2_thidvar1, old(thread4Thread1of1ForFork2_thidvar1), thread4Thread1of1ForFork2_thidvar2, old(thread4Thread1of1ForFork2_thidvar2), thread4Thread1of1ForFork2_thidvar3, old(thread4Thread1of1ForFork2_thidvar3), thread4Thread1of1ForFork2_thidvar4, old(thread4Thread1of1ForFork2_thidvar4), thread1_#in~_argptr#1.offset, thread2_#in~_argptr#1.offset, thread3_#in~_argptr#1.offset, thread4_#in~_argptr#1.offset, thread1Thread1of1ForFork1_~_argptr#1.offset, ~C~0, old(~C~0), ~N~0, old(~N~0), #Ultimate.allocOnHeap_#res.base, ~i~0, old(~i~0), ~j~0, old(~j~0), thread2Thread1of1ForFork3_#in~_argptr#1.base, #valid, old(#valid), thread4Thread1of1ForFork2_#res#1.base, read~int_#value, #Ultimate.allocInit_~size, thread4Thread1of1ForFork2_plus_#res#1, thread1_assume_abort_if_not_~cond#1, thread2_assume_abort_if_not_~cond#1, thread3_assume_abort_if_not_~cond#1, thread4_assume_abort_if_not_~cond#1, write~init~int_#ptr.base, thread1Thread1of1ForFork1_#in~_argptr#1.offset, thread1_#in~_argptr#1.base, thread2_#in~_argptr#1.base, thread3_#in~_argptr#1.base, thread4_#in~_argptr#1.base, thread4Thread1of1ForFork2_~_argptr#1.base, thread4Thread1of1ForFork2_plus_#in~a#1, thread4Thread1of1ForFork2_plus_#in~b#1, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1, #Ultimate.allocInit_ptrBase, ULTIMATE.start_main_#t~nondet13#1, ULTIMATE.start_main_#t~nondet14#1, ULTIMATE.start_main_#t~nondet15#1, ULTIMATE.start_main_#t~nondet16#1, ULTIMATE.start_main_#t~nondet17#1, ULTIMATE.start_main_#t~nondet18#1, thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1, ULTIMATE.start_main_#t~nondet22#1, ULTIMATE.start_main_#t~nondet24#1, ULTIMATE.start_main_#t~nondet26#1, ULTIMATE.start_main_#t~nondet28#1, thread4_#t~post12#1, thread4Thread1of1ForFork2_#res#1.offset, ULTIMATE.start_main_~#t1~0#1.base, ~q2~0.offset, old(~q2~0.offset), #length, old(#length), thread1Thread1of1ForFork1_#in~_argptr#1.base, ULTIMATE.start_main_~#t2~0#1.base, write~int_#sizeOfWrittenType, thread3Thread1of1ForFork0_#res#1.base, thread3Thread1of1ForFork0_plus_#res#1, thread3Thread1of1ForFork0_#t~mem7#1, ULTIMATE.start_main_~#t3~0#1.base, #StackHeapBarrier, old(#StackHeapBarrier), thread2Thread1of1ForFork3_thidvar0, old(thread2Thread1of1ForFork3_thidvar0), thread2Thread1of1ForFork3_thidvar1, old(thread2Thread1of1ForFork3_thidvar1), thread2Thread1of1ForFork3_thidvar2, old(thread2Thread1of1ForFork3_thidvar2), thread4Thread1of1ForFork2_#t~ret11#1, ULTIMATE.start_create_fresh_int_array_#t~post34#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, thread4_assume_abort_if_not_#in~cond#1, ULTIMATE.start_main_#t~ret20#1.offset, ULTIMATE.start_main_~#t4~0#1.base, thread4Thread1of1ForFork2_plus_~a#1, thread4Thread1of1ForFork2_plus_~b#1, ULTIMATE.start_create_fresh_int_array_#t~malloc33#1.offset, thread3Thread1of1ForFork0_#t~ret8#1, thread3Thread1of1ForFork0_~_argptr#1.base, thread3Thread1of1ForFork0_plus_#in~a#1, thread3Thread1of1ForFork0_plus_#in~b#1, write~int_#ptr.offset, #Ultimate.allocOnHeap_~size, thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1, #memory_int, old(#memory_int), thread4Thread1of1ForFork2_~cond~3#1, thread3Thread1of1ForFork0_#res#1.offset, thread4_#t~mem10#1, #Ultimate.allocOnStack_#res.base, thread4Thread1of1ForFork2_~_argptr#1.offset, thread2Thread1of1ForFork3_#res#1.base, ~q2~0.base, old(~q2~0.base), thread2Thread1of1ForFork3_#t~mem4#1, read~int_#ptr.offset, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset], Protected Variables before encountering a loop: [] - TimeoutResultAtElement [Line: 152]: 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 9 procedures, 262 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 866.7s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 862.5s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 41, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 1798 NumberOfCodeBlocks, 1790 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 2238 ConstructedInterpolants, 0 QuantifiedInterpolants, 5082 SizeOfPredicates, 15 NumberOfNonLiveVariables, 1712 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 10 InterpolantComputations, 3 PerfectInterpolantSequences, 317/345 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