/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-mult-equiv.wvr.c
--------------------------------------------------------------------------------
This is Ultimate 0.2.4-wip.dk.dynamic-abstractions-57af04c-m
[2024-01-26 01:53:43,740 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-01-26 01:53:43,808 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf
[2024-01-26 01:53:43,811 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-01-26 01:53:43,812 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-01-26 01:53:43,812 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty.
[2024-01-26 01:53:43,833 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-01-26 01:53:43,834 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-01-26 01:53:43,834 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-01-26 01:53:43,837 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-01-26 01:53:43,837 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-01-26 01:53:43,837 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-01-26 01:53:43,838 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-01-26 01:53:43,838 INFO L153 SettingsManager]: * Use SBE=true
[2024-01-26 01:53:43,839 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-01-26 01:53:43,839 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-01-26 01:53:43,839 INFO L153 SettingsManager]: * sizeof long=4
[2024-01-26 01:53:43,839 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-01-26 01:53:43,839 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-01-26 01:53:43,839 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-01-26 01:53:43,839 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-01-26 01:53:43,840 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-01-26 01:53:43,840 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-01-26 01:53:43,840 INFO L153 SettingsManager]: * sizeof long double=12
[2024-01-26 01:53:43,840 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-01-26 01:53:43,840 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-01-26 01:53:43,841 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-01-26 01:53:43,841 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-01-26 01:53:43,841 INFO L153 SettingsManager]: * To the following directory=./dump/
[2024-01-26 01:53:43,841 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-01-26 01:53:43,842 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-01-26 01:53:43,842 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-01-26 01:53:43,842 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-01-26 01:53:43,842 INFO L153 SettingsManager]: * Abstraction for dynamic stratified reduction=VARIABLES_GLOBAL
[2024-01-26 01:53:43,842 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2024-01-26 01:53:43,843 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-01-26 01:53:43,843 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-01-26 01:53:43,843 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-01-26 01:53:43,843 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2024-01-26 01:53:43,843 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2024-01-26 01:53:43,843 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=DYNAMIC_ABSTRACTIONS
[2024-01-26 01:53:43,843 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Prune known deadend states from previous iterations -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION
[2024-01-26 01:53:44,021 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-01-26 01:53:44,038 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-01-26 01:53:44,040 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-01-26 01:53:44,041 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-01-26 01:53:44,041 INFO L274 PluginConnector]: CDTParser initialized
[2024-01-26 01:53:44,041 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-mult-equiv.wvr.c
[2024-01-26 01:53:45,025 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-01-26 01:53:45,211 INFO L384 CDTParser]: Found 1 translation units.
[2024-01-26 01:53:45,211 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-mult-equiv.wvr.c
[2024-01-26 01:53:45,216 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/6cecf27e3/c76005c6895e42a19594a72123884211/FLAG80a637409
[2024-01-26 01:53:45,226 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/6cecf27e3/c76005c6895e42a19594a72123884211
[2024-01-26 01:53:45,231 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-01-26 01:53:45,231 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements.
[2024-01-26 01:53:45,233 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-01-26 01:53:45,233 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-01-26 01:53:45,237 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-01-26 01:53:45,237 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.01 01:53:45" (1/1) ...
[2024-01-26 01:53:45,238 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cdd795 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 01:53:45, skipping insertion in model container
[2024-01-26 01:53:45,238 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.01 01:53:45" (1/1) ...
[2024-01-26 01:53:45,257 INFO L177 MainTranslator]: Built tables and reachable declarations
[2024-01-26 01:53:45,406 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-mult-equiv.wvr.c[2630,2643]
[2024-01-26 01:53:45,410 INFO L209 PostProcessor]: Analyzing one entry point: main
[2024-01-26 01:53:45,420 INFO L202 MainTranslator]: Completed pre-run
[2024-01-26 01:53:45,434 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-mult-equiv.wvr.c[2630,2643]
[2024-01-26 01:53:45,435 INFO L209 PostProcessor]: Analyzing one entry point: main
[2024-01-26 01:53:45,445 INFO L206 MainTranslator]: Completed translation
[2024-01-26 01:53:45,446 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 01:53:45 WrapperNode
[2024-01-26 01:53:45,446 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-01-26 01:53:45,450 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-01-26 01:53:45,450 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-01-26 01:53:45,450 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-01-26 01:53:45,454 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 01:53:45" (1/1) ...
[2024-01-26 01:53:45,468 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 01:53:45" (1/1) ...
[2024-01-26 01:53:45,480 INFO L138 Inliner]: procedures = 22, calls = 39, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 69
[2024-01-26 01:53:45,481 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-01-26 01:53:45,481 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-01-26 01:53:45,481 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-01-26 01:53:45,481 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-01-26 01:53:45,487 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 01:53:45" (1/1) ...
[2024-01-26 01:53:45,487 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 01:53:45" (1/1) ...
[2024-01-26 01:53:45,489 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 01:53:45" (1/1) ...
[2024-01-26 01:53:45,489 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 01:53:45" (1/1) ...
[2024-01-26 01:53:45,493 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 01:53:45" (1/1) ...
[2024-01-26 01:53:45,495 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 01:53:45" (1/1) ...
[2024-01-26 01:53:45,496 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 01:53:45" (1/1) ...
[2024-01-26 01:53:45,497 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 01:53:45" (1/1) ...
[2024-01-26 01:53:45,498 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-01-26 01:53:45,499 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-01-26 01:53:45,499 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-01-26 01:53:45,499 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-01-26 01:53:45,499 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 01:53:45" (1/1) ...
[2024-01-26 01:53:45,503 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-01-26 01:53:45,513 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-01-26 01:53:45,549 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 01:53:45,570 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 01:53:45,584 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-01-26 01:53:45,584 INFO L130 BoogieDeclarations]: Found specification of procedure thread1
[2024-01-26 01:53:45,584 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1
[2024-01-26 01:53:45,584 INFO L130 BoogieDeclarations]: Found specification of procedure thread2
[2024-01-26 01:53:45,584 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2
[2024-01-26 01:53:45,584 INFO L130 BoogieDeclarations]: Found specification of procedure thread3
[2024-01-26 01:53:45,584 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3
[2024-01-26 01:53:45,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2024-01-26 01:53:45,584 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2024-01-26 01:53:45,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2024-01-26 01:53:45,585 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2024-01-26 01:53:45,585 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2024-01-26 01:53:45,585 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-01-26 01:53:45,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-01-26 01:53:45,585 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2024-01-26 01:53:45,585 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-01-26 01:53:45,586 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 01:53:45,665 INFO L241 CfgBuilder]: Building ICFG
[2024-01-26 01:53:45,667 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-01-26 01:53:45,818 INFO L282 CfgBuilder]: Performing block encoding
[2024-01-26 01:53:45,861 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-01-26 01:53:45,862 INFO L309 CfgBuilder]: Removed 3 assume(true) statements.
[2024-01-26 01:53:45,862 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.01 01:53:45 BoogieIcfgContainer
[2024-01-26 01:53:45,862 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-01-26 01:53:45,864 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-01-26 01:53:45,864 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-01-26 01:53:45,866 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-01-26 01:53:45,866 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.01 01:53:45" (1/3) ...
[2024-01-26 01:53:45,867 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e98a08c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.01 01:53:45, skipping insertion in model container
[2024-01-26 01:53:45,867 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 01:53:45" (2/3) ...
[2024-01-26 01:53:45,867 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e98a08c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.01 01:53:45, skipping insertion in model container
[2024-01-26 01:53:45,867 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.01 01:53:45" (3/3) ...
[2024-01-26 01:53:45,868 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-mult-equiv.wvr.c
[2024-01-26 01:53:45,874 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2024-01-26 01:53:45,882 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-01-26 01:53:45,882 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-01-26 01:53:45,882 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-01-26 01:53:45,962 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions.
[2024-01-26 01:53:45,997 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-01-26 01:53:45,998 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2024-01-26 01:53:45,998 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-01-26 01:53:46,001 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 01:53:46,022 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 01:53:46,035 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations.
[2024-01-26 01:53:46,041 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ========
[2024-01-26 01:53:46,045 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;@40e41972, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-01-26 01:53:46,045 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
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 01:53:46,179 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-01-26 01:53:46,183 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2024-01-26 01:53:46,184 INFO L85 PathProgramCache]: Analyzing trace with hash 139906882, now seen corresponding path program 1 times
[2024-01-26 01:53:46,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-01-26 01:53:46,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2030808278]
[2024-01-26 01:53:46,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-01-26 01:53:46,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-01-26 01:53:46,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-01-26 01:53:46,441 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.
[2024-01-26 01:53:46,441 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-01-26 01:53:46,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2030808278]
[2024-01-26 01:53:46,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2030808278] provided 1 perfect and 0 imperfect interpolant sequences
[2024-01-26 01:53:46,442 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-01-26 01:53:46,442 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-01-26 01:53:46,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383711702]
[2024-01-26 01:53:46,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-01-26 01:53:46,451 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-01-26 01:53:46,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-01-26 01:53:46,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-01-26 01:53:46,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-01-26 01:53:46,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-01-26 01:53:46,478 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-01-26 01:53:46,479 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 39.0) internal successors, (78), 2 states have internal predecessors, (78), 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 01:53:46,479 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
Found a loop, use abstraction hammer
[2024-01-26 01:53:46,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-01-26 01:53:46,580 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-01-26 01:53:46,581 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-01-26 01:53:46,582 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2024-01-26 01:53:46,582 INFO L85 PathProgramCache]: Analyzing trace with hash -549639616, now seen corresponding path program 1 times
[2024-01-26 01:53:46,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-01-26 01:53:46,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1574448036]
[2024-01-26 01:53:46,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-01-26 01:53:46,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-01-26 01:53:46,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-01-26 01:53:47,477 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-01-26 01:53:47,478 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-01-26 01:53:47,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1574448036]
[2024-01-26 01:53:47,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1574448036] provided 0 perfect and 1 imperfect interpolant sequences
[2024-01-26 01:53:47,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [621594733]
[2024-01-26 01:53:47,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-01-26 01:53:47,479 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-01-26 01:53:47,479 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-01-26 01:53:47,522 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 01:53:47,531 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 01:53:47,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-01-26 01:53:47,604 INFO L262 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 17 conjunts are in the unsatisfiable core
[2024-01-26 01:53:47,608 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2024-01-26 01:53:48,768 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-01-26 01:53:48,769 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2024-01-26 01:53:50,389 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-01-26 01:53:50,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [621594733] provided 0 perfect and 2 imperfect interpolant sequences
[2024-01-26 01:53:50,390 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-01-26 01:53:50,390 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 24
[2024-01-26 01:53:50,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068597095]
[2024-01-26 01:53:50,391 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-01-26 01:53:50,391 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states
[2024-01-26 01:53:50,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-01-26 01:53:50,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants.
[2024-01-26 01:53:50,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=456, Unknown=0, NotChecked=0, Total=552
[2024-01-26 01:53:50,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-01-26 01:53:50,393 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-01-26 01:53:50,393 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 8.875) internal successors, (213), 24 states have internal predecessors, (213), 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 01:53:50,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-01-26 01:53:50,393 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
Found a loop, use abstraction hammer
[2024-01-26 01:53:51,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-01-26 01:53:51,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states.
[2024-01-26 01:53:51,929 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 01:53:52,121 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 01:53:52,122 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-01-26 01:53:52,122 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2024-01-26 01:53:52,122 INFO L85 PathProgramCache]: Analyzing trace with hash -1538174060, now seen corresponding path program 1 times
[2024-01-26 01:53:52,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-01-26 01:53:52,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1086451490]
[2024-01-26 01:53:52,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-01-26 01:53:52,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-01-26 01:53:52,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-01-26 01:53:52,558 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked.
[2024-01-26 01:53:52,559 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-01-26 01:53:52,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1086451490]
[2024-01-26 01:53:52,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1086451490] provided 1 perfect and 0 imperfect interpolant sequences
[2024-01-26 01:53:52,559 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-01-26 01:53:52,559 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-01-26 01:53:52,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312160717]
[2024-01-26 01:53:52,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-01-26 01:53:52,560 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-01-26 01:53:52,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-01-26 01:53:52,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-01-26 01:53:52,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-01-26 01:53:52,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-01-26 01:53:52,561 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-01-26 01:53:52,564 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 5 states have internal predecessors, (83), 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 01:53:52,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-01-26 01:53:52,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states.
[2024-01-26 01:53:52,564 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
Found a loop, use abstraction hammer
[2024-01-26 01:53:52,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-01-26 01:53:52,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states.
[2024-01-26 01:53:52,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-01-26 01:53:52,791 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-01-26 01:53:52,791 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-01-26 01:53:52,791 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2024-01-26 01:53:52,792 INFO L85 PathProgramCache]: Analyzing trace with hash 69214060, now seen corresponding path program 2 times
[2024-01-26 01:53:52,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-01-26 01:53:52,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55174040]
[2024-01-26 01:53:52,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-01-26 01:53:52,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-01-26 01:53:52,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-01-26 01:53:54,286 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-01-26 01:53:54,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-01-26 01:53:54,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [55174040]
[2024-01-26 01:53:54,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [55174040] provided 0 perfect and 1 imperfect interpolant sequences
[2024-01-26 01:53:54,287 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1928206126]
[2024-01-26 01:53:54,287 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-01-26 01:53:54,287 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-01-26 01:53:54,287 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-01-26 01:53:54,288 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 01:53:54,290 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 01:53:54,366 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-01-26 01:53:54,366 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-01-26 01:53:54,367 INFO L262 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 22 conjunts are in the unsatisfiable core
[2024-01-26 01:53:54,372 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2024-01-26 01:54:04,106 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-01-26 01:54:04,107 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2024-01-26 01:54:07,453 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-01-26 01:54:07,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1928206126] provided 0 perfect and 2 imperfect interpolant sequences
[2024-01-26 01:54:07,453 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-01-26 01:54:07,453 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 16, 16] total 48
[2024-01-26 01:54:07,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896944583]
[2024-01-26 01:54:07,453 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-01-26 01:54:07,454 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 48 states
[2024-01-26 01:54:07,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-01-26 01:54:07,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants.
[2024-01-26 01:54:07,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=434, Invalid=1822, Unknown=0, NotChecked=0, Total=2256
[2024-01-26 01:54:07,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-01-26 01:54:07,456 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-01-26 01:54:07,456 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 48 states have (on average 4.145833333333333) internal successors, (199), 48 states have internal predecessors, (199), 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 01:54:07,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-01-26 01:54:07,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states.
[2024-01-26 01:54:07,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states.
[2024-01-26 01:54:07,456 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
Found a loop, use abstraction hammer
[2024-01-26 01:54:29,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-01-26 01:54:29,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states.
[2024-01-26 01:54:29,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-01-26 01:54:29,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states.
[2024-01-26 01:54:29,438 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 01:54:29,631 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 01:54:29,632 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-01-26 01:54:29,632 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2024-01-26 01:54:29,632 INFO L85 PathProgramCache]: Analyzing trace with hash 340665739, now seen corresponding path program 3 times
[2024-01-26 01:54:29,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-01-26 01:54:29,632 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [536302671]
[2024-01-26 01:54:29,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-01-26 01:54:29,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-01-26 01:54:29,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-01-26 01:54:33,567 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 154 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-01-26 01:54:33,568 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-01-26 01:54:33,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [536302671]
[2024-01-26 01:54:33,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [536302671] provided 0 perfect and 1 imperfect interpolant sequences
[2024-01-26 01:54:33,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [458490172]
[2024-01-26 01:54:33,568 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2024-01-26 01:54:33,568 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-01-26 01:54:33,568 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-01-26 01:54:33,569 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 01:54:33,571 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 01:54:34,146 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s)
[2024-01-26 01:54:34,146 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-01-26 01:54:34,148 INFO L262 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 40 conjunts are in the unsatisfiable core
[2024-01-26 01:54:34,151 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2024-01-26 01:55:19,467 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 154 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-01-26 01:55:19,467 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2024-01-26 01:55:23,069 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 1 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-01-26 01:55:23,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [458490172] provided 0 perfect and 2 imperfect interpolant sequences
[2024-01-26 01:55:23,070 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-01-26 01:55:23,070 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 29, 27] total 88
[2024-01-26 01:55:23,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577631735]
[2024-01-26 01:55:23,070 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-01-26 01:55:23,070 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 88 states
[2024-01-26 01:55:23,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-01-26 01:55:23,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 88 interpolants.
[2024-01-26 01:55:23,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1206, Invalid=6444, Unknown=6, NotChecked=0, Total=7656
[2024-01-26 01:55:23,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-01-26 01:55:23,074 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-01-26 01:55:23,075 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 88 states, 88 states have (on average 2.840909090909091) internal successors, (250), 88 states have internal predecessors, (250), 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 01:55:23,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-01-26 01:55:23,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states.
[2024-01-26 01:55:23,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states.
[2024-01-26 01:55:23,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states.
[2024-01-26 01:55:23,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
Found a loop, use abstraction hammer
[2024-01-26 01:55:59,960 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []
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 01:56:04,691 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-01-26 01:56:04,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-01-26 01:56:04,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states.
[2024-01-26 01:56:04,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-01-26 01:56:04,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states.
[2024-01-26 01:56:04,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states.
[2024-01-26 01:56:04,974 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 01:56:05,169 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 01:56:05,169 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-01-26 01:56:05,169 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2024-01-26 01:56:05,169 INFO L85 PathProgramCache]: Analyzing trace with hash -1426769682, now seen corresponding path program 4 times
[2024-01-26 01:56:05,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-01-26 01:56:05,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543747076]
[2024-01-26 01:56:05,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-01-26 01:56:05,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-01-26 01:56:05,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-01-26 01:56:08,428 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 0 proven. 226 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-01-26 01:56:08,428 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-01-26 01:56:08,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1543747076]
[2024-01-26 01:56:08,428 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1543747076] provided 0 perfect and 1 imperfect interpolant sequences
[2024-01-26 01:56:08,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [870891743]
[2024-01-26 01:56:08,428 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST
[2024-01-26 01:56:08,429 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-01-26 01:56:08,429 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-01-26 01:56:08,430 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 01:56:08,431 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 01:56:08,540 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s)
[2024-01-26 01:56:08,541 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-01-26 01:56:08,542 INFO L262 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 44 conjunts are in the unsatisfiable core
[2024-01-26 01:56:08,546 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2024-01-26 01:57:02,944 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 0 proven. 226 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-01-26 01:57:02,944 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2024-01-26 01:57:10,375 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 1 proven. 225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-01-26 01:57:10,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [870891743] provided 0 perfect and 2 imperfect interpolant sequences
[2024-01-26 01:57:10,375 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-01-26 01:57:10,376 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43, 26, 26] total 90
[2024-01-26 01:57:10,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383674382]
[2024-01-26 01:57:10,376 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-01-26 01:57:10,378 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 90 states
[2024-01-26 01:57:10,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-01-26 01:57:10,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 90 interpolants.
[2024-01-26 01:57:10,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1092, Invalid=6918, Unknown=0, NotChecked=0, Total=8010
[2024-01-26 01:57:10,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-01-26 01:57:10,382 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-01-26 01:57:10,383 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 90 states, 90 states have (on average 3.0444444444444443) internal successors, (274), 90 states have internal predecessors, (274), 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 01:57:10,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-01-26 01:57:10,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states.
[2024-01-26 01:57:10,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states.
[2024-01-26 01:57:10,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states.
[2024-01-26 01:57:10,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states.
[2024-01-26 01:57:10,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
Found a loop, use abstraction hammer
[2024-01-26 01:57:27,446 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-01-26 01:57:31,630 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-01-26 01:57:48,042 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []
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 01:58:01,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-01-26 01:58:01,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states.
[2024-01-26 01:58:01,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-01-26 01:58:01,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states.
[2024-01-26 01:58:01,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states.
[2024-01-26 01:58:01,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states.
[2024-01-26 01:58:01,474 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 01:58:01,669 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5
[2024-01-26 01:58:01,669 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-01-26 01:58:01,670 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2024-01-26 01:58:01,670 INFO L85 PathProgramCache]: Analyzing trace with hash 1707176510, now seen corresponding path program 5 times
[2024-01-26 01:58:01,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-01-26 01:58:01,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2141377802]
[2024-01-26 01:58:01,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-01-26 01:58:01,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-01-26 01:58:01,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-01-26 01:58:06,718 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 0 proven. 352 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-01-26 01:58:06,718 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-01-26 01:58:06,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2141377802]
[2024-01-26 01:58:06,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2141377802] provided 0 perfect and 1 imperfect interpolant sequences
[2024-01-26 01:58:06,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [522835485]
[2024-01-26 01:58:06,719 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1
[2024-01-26 01:58:06,719 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-01-26 01:58:06,719 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-01-26 01:58:06,720 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 01:58:06,728 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 01:58:08,151 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 15 check-sat command(s)
[2024-01-26 01:58:08,151 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-01-26 01:58:08,156 INFO L262 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 55 conjunts are in the unsatisfiable core
[2024-01-26 01:58:08,159 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2024-01-26 01:59:37,923 WARN L293 SmtUtils]: Spent 6.37s on a formula simplification that was a NOOP. DAG size: 101 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2024-01-26 02:00:29,520 WARN L854 $PredicateComparison]: unable to prove that (and (<= 1 (mod (+ c_~L~0 4294967289) 4294967296)) (<= 1 (mod (+ c_~L~0 4294967287) 4294967296)) (<= 1 (mod (+ 4294967295 c_~L~0) 4294967296)) (<= 1 (mod (+ 4294967290 c_~L~0) 4294967296)) (<= 1 (mod (+ c_~L~0 4294967286) 4294967296)) (let ((.cse0 (mod (+ 4294967283 c_~L~0) 4294967296))) (or (and (= .cse0 1) (= c_~L~0 (+ c_~N~0 13))) (and (<= 2 .cse0) (= c_~L~0 (+ c_~N~0 15))))) (<= 1 (mod (+ c_~L~0 4294967294) 4294967296)) (<= 1 (mod (+ 4294967291 c_~L~0) 4294967296)) (<= 1 (mod (+ c_~L~0 4294967293) 4294967296)) (<= 1 (mod (+ c_~L~0 4294967284) 4294967296)) (<= 1 (mod (+ 4294967288 c_~L~0) 4294967296)) (<= 1 (mod (+ 4294967292 c_~L~0) 4294967296)) (<= 1 (mod c_~L~0 4294967296)) (<= 1 (mod (+ c_~L~0 4294967285) 4294967296))) is different from false
[2024-01-26 02:00:53,767 WARN L293 SmtUtils]: Spent 5.70s on a formula simplification that was a NOOP. DAG size: 82 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2024-01-26 02:01:15,918 WARN L293 SmtUtils]: Spent 5.04s on a formula simplification that was a NOOP. DAG size: 81 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2024-01-26 02:01:31,987 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 0 proven. 339 refuted. 0 times theorem prover too weak. 0 trivial. 13 not checked.
[2024-01-26 02:01:31,987 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2024-01-26 02:01:37,535 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 1 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-01-26 02:01:37,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [522835485] provided 0 perfect and 2 imperfect interpolant sequences
[2024-01-26 02:01:37,536 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-01-26 02:01:37,537 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [51, 40, 36] total 122
[2024-01-26 02:01:37,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585015982]
[2024-01-26 02:01:37,537 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-01-26 02:01:37,538 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 122 states
[2024-01-26 02:01:37,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-01-26 02:01:37,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 122 interpolants.
[2024-01-26 02:01:37,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2427, Invalid=12087, Unknown=10, NotChecked=238, Total=14762
[2024-01-26 02:01:37,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-01-26 02:01:37,543 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-01-26 02:01:37,544 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 122 states, 122 states have (on average 2.5163934426229506) internal successors, (307), 122 states have internal predecessors, (307), 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 02:01:37,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-01-26 02:01:37,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states.
[2024-01-26 02:01:37,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states.
[2024-01-26 02:01:37,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states.
[2024-01-26 02:01:37,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states.
[2024-01-26 02:01:37,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states.
[2024-01-26 02:01:37,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
Found a loop, use abstraction hammer
[2024-01-26 02:02:23,359 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-01-26 02:02:46,682 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-01-26 02:02:51,126 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-01-26 02:02:54,068 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-01-26 02:03:11,546 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-01-26 02:03:13,566 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-01-26 02:03:15,743 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-01-26 02:03:29,989 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-01-26 02:03:38,408 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-01-26 02:03:41,183 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-01-26 02:03:44,345 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-01-26 02:03:51,180 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []
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 02:04:59,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-01-26 02:04:59,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states.
[2024-01-26 02:04:59,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-01-26 02:04:59,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states.
[2024-01-26 02:04:59,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states.
[2024-01-26 02:04:59,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states.
[2024-01-26 02:04:59,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states.
[2024-01-26 02:04:59,743 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 02:04:59,935 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-01-26 02:04:59,936 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-01-26 02:04:59,936 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2024-01-26 02:04:59,936 INFO L85 PathProgramCache]: Analyzing trace with hash 2032021057, now seen corresponding path program 6 times
[2024-01-26 02:04:59,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-01-26 02:04:59,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555017875]
[2024-01-26 02:04:59,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-01-26 02:04:59,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-01-26 02:05:00,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-01-26 02:05:03,801 INFO L134 CoverageAnalysis]: Checked inductivity of 559 backedges. 273 proven. 283 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2024-01-26 02:05:03,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-01-26 02:05:03,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [555017875]
[2024-01-26 02:05:03,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [555017875] provided 0 perfect and 1 imperfect interpolant sequences
[2024-01-26 02:05:03,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1974478368]
[2024-01-26 02:05:03,801 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE
[2024-01-26 02:05:03,801 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-01-26 02:05:03,801 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-01-26 02:05:03,802 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-01-26 02:05:03,804 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process
[2024-01-26 02:05:06,111 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 19 check-sat command(s)
[2024-01-26 02:05:06,111 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-01-26 02:05:06,116 INFO L262 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 66 conjunts are in the unsatisfiable core
[2024-01-26 02:05:06,119 INFO L285 TraceCheckSpWp]: Computing forward predicates...
Received shutdown request...
[2024-01-26 02:08:13,703 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 02:08:13,709 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Timeout while monitored process is still running, waiting 1000 ms for graceful end
[2024-01-26 02:08:13,710 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 02:08:14,722 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0
[2024-01-26 02:08:14,737 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0
[2024-01-26 02:08:14,911 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process
[2024-01-26 02:08:14,926 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137
[2024-01-26 02:08:14,928 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2024-01-26 02:08:14,929 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2024-01-26 02:08:14,929 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 147 with TraceHistMax 18,while TraceCheckSpWp was constructing forward predicates,while executing Executor.
[2024-01-26 02:08:14,933 INFO L445 BasicCegarLoop]: Path program histogram: [6, 1, 1]
[2024-01-26 02:08:14,934 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION was TIMEOUT (1/4)
[2024-01-26 02:08:14,935 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2024-01-26 02:08:14,935 INFO L179 ceAbstractionStarter]: Computing trace abstraction results
[2024-01-26 02:08:14,937 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.01 02:08:14 BasicIcfg
[2024-01-26 02:08:14,937 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-01-26 02:08:14,937 INFO L158 Benchmark]: Toolchain (without parser) took 869706.06ms. Allocated memory was 280.0MB in the beginning and 510.7MB in the end (delta: 230.7MB). Free memory was 235.2MB in the beginning and 372.8MB in the end (delta: -137.6MB). Peak memory consumption was 94.1MB. Max. memory is 8.0GB.
[2024-01-26 02:08:14,938 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 165.7MB. Free memory was 110.4MB in the beginning and 110.2MB in the end (delta: 174.8kB). There was no memory consumed. Max. memory is 8.0GB.
[2024-01-26 02:08:14,938 INFO L158 Benchmark]: CACSL2BoogieTranslator took 215.67ms. Allocated memory is still 280.0MB. Free memory was 234.7MB in the beginning and 223.2MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB.
[2024-01-26 02:08:14,938 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.14ms. Allocated memory is still 280.0MB. Free memory was 223.2MB in the beginning and 221.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
[2024-01-26 02:08:14,938 INFO L158 Benchmark]: Boogie Preprocessor took 17.15ms. Allocated memory is still 280.0MB. Free memory was 221.6MB in the beginning and 220.0MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
[2024-01-26 02:08:14,938 INFO L158 Benchmark]: RCFGBuilder took 363.21ms. Allocated memory is still 280.0MB. Free memory was 220.0MB in the beginning and 202.2MB in the end (delta: 17.8MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB.
[2024-01-26 02:08:14,938 INFO L158 Benchmark]: TraceAbstraction took 869073.58ms. Allocated memory was 280.0MB in the beginning and 510.7MB in the end (delta: 230.7MB). Free memory was 201.1MB in the beginning and 372.8MB in the end (delta: -171.7MB). Peak memory consumption was 60.6MB. Max. memory is 8.0GB.
[2024-01-26 02:08:14,939 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 165.7MB. Free memory was 110.4MB in the beginning and 110.2MB in the end (delta: 174.8kB). There was no memory consumed. Max. memory is 8.0GB.
* CACSL2BoogieTranslator took 215.67ms. Allocated memory is still 280.0MB. Free memory was 234.7MB in the beginning and 223.2MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB.
* Boogie Procedure Inliner took 31.14ms. Allocated memory is still 280.0MB. Free memory was 223.2MB in the beginning and 221.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
* Boogie Preprocessor took 17.15ms. Allocated memory is still 280.0MB. Free memory was 221.6MB in the beginning and 220.0MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
* RCFGBuilder took 363.21ms. Allocated memory is still 280.0MB. Free memory was 220.0MB in the beginning and 202.2MB in the end (delta: 17.8MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB.
* TraceAbstraction took 869073.58ms. Allocated memory was 280.0MB in the beginning and 510.7MB in the end (delta: 230.7MB). Free memory was 201.1MB in the beginning and 372.8MB in the end (delta: -171.7MB). Peak memory consumption was 60.6MB. Max. memory is 8.0GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: Independence relation #1 benchmarks
ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 458, independent: 385, independent conditional: 385, independent unconditional: 0, dependent: 71, dependent conditional: 71, dependent unconditional: 0, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 401, independent: 385, independent conditional: 385, independent unconditional: 0, dependent: 14, dependent conditional: 14, dependent unconditional: 0, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 401, independent: 385, independent conditional: 385, independent unconditional: 0, dependent: 14, dependent conditional: 14, dependent unconditional: 0, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 457, independent: 385, independent conditional: 0, independent unconditional: 385, dependent: 57, dependent conditional: 43, dependent unconditional: 14, unknown: 15, unknown conditional: 13, unknown unconditional: 2] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 457, independent: 385, independent conditional: 0, independent unconditional: 385, dependent: 57, dependent conditional: 0, dependent unconditional: 57, unknown: 15, unknown conditional: 0, unknown unconditional: 15] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 457, independent: 385, independent conditional: 0, independent unconditional: 385, dependent: 57, dependent conditional: 0, dependent unconditional: 57, unknown: 15, unknown conditional: 0, unknown unconditional: 15] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 401, independent: 385, independent conditional: 0, independent unconditional: 385, dependent: 14, dependent conditional: 0, dependent unconditional: 14, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 401, independent: 385, independent conditional: 0, independent unconditional: 385, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 16, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 14, dependent conditional: 0, dependent unconditional: 14, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 16, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 14, dependent conditional: 0, dependent unconditional: 14, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 16, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 14, dependent conditional: 0, dependent unconditional: 14, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2178, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 150, dependent conditional: 0, dependent unconditional: 150, unknown: 2028, unknown conditional: 0, unknown unconditional: 2028] , Protected Queries: 0 ], Cache Queries: [ total: 457, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 43, dependent conditional: 0, dependent unconditional: 43, unknown: 414, unknown conditional: 0, unknown unconditional: 414] , Statistics on independence cache: Total cache size (in pairs): 399, Positive cache size: 385, Positive conditional cache size: 0, Positive unconditional cache size: 385, Negative cache size: 14, Negative conditional cache size: 0, Negative unconditional cache size: 14, Unknown cache size: 2, Unknown conditional cache size: 0, Unknown unconditional cache size: 2, Eliminated conditions: 56, Maximal queried relation: 7, Independence queries for same thread: 57
- StatisticsResult: Proof manager benchmarks
IrresponsibleProofs: 15, RedundantProofs: 5, ProvenStates: 102, Times there's more than one choice: 75, Avg number of choices: 3.3823529411764706
- StatisticsResult: Reduction benchmarks
3.3s Time before loop, 198.9s Time in loop, 202.2s Time in total, Has Loop: true, Protected Variables: [write~init~int_#value, write~int_#ptr.base, thread1_~cond~0, thread2_~cond~1, thread3Thread1of1ForFork0_#in~_argptr.base, ULTIMATE.start_main_#t~mem11#1, ULTIMATE.start_main_#t~mem12#1, ULTIMATE.start_main_#t~mem13#1, ULTIMATE.start_main_#res#1, ULTIMATE.start_main_#t~nondet3#1, ULTIMATE.start_main_#t~nondet4#1, ULTIMATE.start_main_#t~nondet6#1, ULTIMATE.start_main_#t~nondet8#1, thread2Thread1of1ForFork2_#res.offset, ULTIMATE.start_main_~#t3~0#1.offset, thread1Thread1of1ForFork1_~cond~0, thread3Thread1of1ForFork0_~_argptr.base, read~int_#ptr.base, ULTIMATE.start_#t~ret14#1, thread1_#res.offset, thread2_#res.offset, thread3_#res.offset, thread2Thread1of1ForFork2_~_argptr.offset, thread3Thread1of1ForFork0_thidvar0, old(thread3Thread1of1ForFork0_thidvar0), thread3Thread1of1ForFork0_thidvar1, old(thread3Thread1of1ForFork0_thidvar1), thread3Thread1of1ForFork0_thidvar2, old(thread3Thread1of1ForFork0_thidvar2), thread3Thread1of1ForFork0_thidvar3, old(thread3Thread1of1ForFork0_thidvar3), thread2Thread1of1ForFork2_thidvar0, old(thread2Thread1of1ForFork2_thidvar0), thread2Thread1of1ForFork2_thidvar1, old(thread2Thread1of1ForFork2_thidvar1), thread2Thread1of1ForFork2_thidvar2, old(thread2Thread1of1ForFork2_thidvar2), thread2Thread1of1ForFork2_#in~_argptr.base, ULTIMATE.start_main_~#t2~0#1.offset, #Ultimate.allocOnStack_~size, thread1Thread1of1ForFork1_#res.offset, thread1_~_argptr.offset, thread2_~_argptr.offset, thread3_~_argptr.offset, read~int_#sizeOfReadType, write~init~int_#sizeOfWrittenType, thread1_#in~_argptr.base, thread2_#in~_argptr.base, thread3_#in~_argptr.base, thread2Thread1of1ForFork2_~_argptr.base, ULTIMATE.start_main_~#t1~0#1.offset, thread1Thread1of1ForFork1_~_argptr.offset, thread3Thread1of1ForFork0_#res.base, #Ultimate.allocOnStack_#res.offset, ULTIMATE.dealloc_~addr.offset, thread1Thread1of1ForFork1_#in~_argptr.base, write~int_#value, write~init~int_#ptr.offset, thread1_~_argptr.base, thread2_~_argptr.base, thread3_~_argptr.base, ULTIMATE.dealloc_~addr.base, thread1Thread1of1ForFork1_thidvar0, old(thread1Thread1of1ForFork1_thidvar0), thread1Thread1of1ForFork1_thidvar1, old(thread1Thread1of1ForFork1_thidvar1), thread3Thread1of1ForFork0_#in~_argptr.offset, ULTIMATE.start_assume_abort_if_not_~cond#1, #pthreadsForks, old(#pthreadsForks), thread3Thread1of1ForFork0_#t~post2, ~L~0, old(~L~0), ~M~0, old(~M~0), ~N~0, old(~N~0), ~p~0, old(~p~0), ~q~0, old(~q~0), thread1Thread1of1ForFork1_~_argptr.base, #valid, old(#valid), read~int_#value, #Ultimate.allocInit_~size, thread2Thread1of1ForFork2_#res.base, write~init~int_#ptr.base, thread2Thread1of1ForFork2_#in~_argptr.offset, thread1_#res.base, thread2_#res.base, thread3_#res.base, ULTIMATE.start_assume_abort_if_not_#in~cond#1, #Ultimate.allocInit_ptrBase, ULTIMATE.start_main_#t~nondet10#1, ULTIMATE.start_main_~#t1~0#1.base, #length, old(#length), ULTIMATE.start_main_~#t2~0#1.base, write~int_#sizeOfWrittenType, thread1_#in~_argptr.offset, thread2_#in~_argptr.offset, thread3_#in~_argptr.offset, ULTIMATE.start_main_~#t3~0#1.base, #StackHeapBarrier, old(#StackHeapBarrier), thread1Thread1of1ForFork1_#res.base, thread1_#t~post1, thread3_#t~post2, thread1Thread1of1ForFork1_#in~_argptr.offset, write~int_#ptr.offset, ULTIMATE.start_main_#t~pre5#1, ULTIMATE.start_main_#t~pre7#1, ULTIMATE.start_main_#t~pre9#1, thread3Thread1of1ForFork0_#res.offset, #memory_int, old(#memory_int), thread1Thread1of1ForFork1_#t~post1, #Ultimate.allocOnStack_#res.base, thread2Thread1of1ForFork2_~cond~1, thread3Thread1of1ForFork0_~_argptr.offset, read~int_#ptr.offset], Protected Variables before encountering a loop: []
- TimeoutResultAtElement [Line: 105]: Timeout (TraceAbstraction)
Unable to prove that a call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 147 with TraceHistMax 18,while TraceCheckSpWp was constructing forward predicates,while executing Executor.
- StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION with 1 thread instances
CFG has 7 procedures, 117 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 868.9s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 6, EmptinessCheckTime: 319.1s, 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: 251, 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, 2.6s SatisfiabilityAnalysisTime, 350.6s InterpolantComputationTime, 1264 NumberOfCodeBlocks, 1264 NumberOfCodeBlocksAsserted, 37 NumberOfCheckSat, 1789 ConstructedInterpolants, 23 QuantifiedInterpolants, 35870 SizeOfPredicates, 63 NumberOfNonLiveVariables, 1338 ConjunctsInSsa, 178 ConjunctsInUnsatCore, 17 InterpolantComputations, 2 PerfectInterpolantSequences, 69/2448 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