/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg true --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --cacsl2boogietranslator.check.absence.of.signed.integer.overflows true -i ../../../trunk/examples/svcomp/pthread-wmm/mix056_power.oepc_pso.oepc_rmo.oepc.i
--------------------------------------------------------------------------------
This is Ultimate 0.2.4-wip.dk.empire-owicki-175f719-m
[2023-11-30 06:43:04,175 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2023-11-30 06:43:04,231 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf
[2023-11-30 06:43:04,258 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-30 06:43:04,259 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-30 06:43:04,260 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-11-30 06:43:04,260 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-30 06:43:04,261 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2023-11-30 06:43:04,261 INFO L153 SettingsManager]: * Use SBE=true
[2023-11-30 06:43:04,261 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-30 06:43:04,262 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2023-11-30 06:43:04,262 INFO L153 SettingsManager]: * sizeof long=4
[2023-11-30 06:43:04,262 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2023-11-30 06:43:04,262 INFO L153 SettingsManager]: * sizeof POINTER=4
[2023-11-30 06:43:04,263 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2023-11-30 06:43:04,263 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2023-11-30 06:43:04,263 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-30 06:43:04,264 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2023-11-30 06:43:04,264 INFO L153 SettingsManager]: * sizeof long double=12
[2023-11-30 06:43:04,264 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2023-11-30 06:43:04,265 INFO L153 SettingsManager]: * Use constant arrays=true
[2023-11-30 06:43:04,267 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-30 06:43:04,268 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2023-11-30 06:43:04,268 INFO L153 SettingsManager]: * To the following directory=./dump/
[2023-11-30 06:43:04,268 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2023-11-30 06:43:04,268 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-30 06:43:04,269 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-30 06:43:04,269 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2023-11-30 06:43:04,269 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2023-11-30 06:43:04,269 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2023-11-30 06:43:04,270 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-11-30 06:43:04,270 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2023-11-30 06:43:04,270 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2023-11-30 06:43:04,270 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/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true
[2023-11-30 06:43:04,520 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-30 06:43:04,545 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-30 06:43:04,547 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-30 06:43:04,548 INFO L270 PluginConnector]: Initializing CDTParser...
[2023-11-30 06:43:04,549 INFO L274 PluginConnector]: CDTParser initialized
[2023-11-30 06:43:04,550 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix056_power.oepc_pso.oepc_rmo.oepc.i
[2023-11-30 06:43:05,616 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2023-11-30 06:43:05,914 INFO L384 CDTParser]: Found 1 translation units.
[2023-11-30 06:43:05,915 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix056_power.oepc_pso.oepc_rmo.oepc.i
[2023-11-30 06:43:05,929 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d12ecaead/a8b7d65f91bf40129c55a5e2efd58e4b/FLAG138f5e5b4
[2023-11-30 06:43:05,940 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d12ecaead/a8b7d65f91bf40129c55a5e2efd58e4b
[2023-11-30 06:43:05,942 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-30 06:43:05,943 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements.
[2023-11-30 06:43:05,945 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-30 06:43:05,945 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-30 06:43:05,949 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-30 06:43:05,949 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 06:43:05" (1/1) ...
[2023-11-30 06:43:05,950 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9c45149 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:43:05, skipping insertion in model container
[2023-11-30 06:43:05,951 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 06:43:05" (1/1) ...
[2023-11-30 06:43:06,006 INFO L177 MainTranslator]: Built tables and reachable declarations
[2023-11-30 06:43:06,364 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-30 06:43:06,375 INFO L202 MainTranslator]: Completed pre-run
[2023-11-30 06:43:06,456 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-30 06:43:06,484 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler.
[2023-11-30 06:43:06,484 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler.
[2023-11-30 06:43:06,493 INFO L206 MainTranslator]: Completed translation
[2023-11-30 06:43:06,494 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:43:06 WrapperNode
[2023-11-30 06:43:06,494 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-30 06:43:06,495 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-30 06:43:06,495 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-30 06:43:06,495 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-30 06:43:06,502 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:43:06" (1/1) ...
[2023-11-30 06:43:06,531 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:43:06" (1/1) ...
[2023-11-30 06:43:06,575 INFO L138 Inliner]: procedures = 176, calls = 55, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 134
[2023-11-30 06:43:06,575 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-30 06:43:06,576 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-30 06:43:06,576 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-30 06:43:06,576 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2023-11-30 06:43:06,613 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:43:06" (1/1) ...
[2023-11-30 06:43:06,613 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:43:06" (1/1) ...
[2023-11-30 06:43:06,619 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:43:06" (1/1) ...
[2023-11-30 06:43:06,620 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:43:06" (1/1) ...
[2023-11-30 06:43:06,634 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:43:06" (1/1) ...
[2023-11-30 06:43:06,636 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:43:06" (1/1) ...
[2023-11-30 06:43:06,637 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:43:06" (1/1) ...
[2023-11-30 06:43:06,639 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:43:06" (1/1) ...
[2023-11-30 06:43:06,641 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-30 06:43:06,642 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-30 06:43:06,642 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2023-11-30 06:43:06,642 INFO L274 PluginConnector]: RCFGBuilder initialized
[2023-11-30 06:43:06,643 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:43:06" (1/1) ...
[2023-11-30 06:43:06,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-30 06:43:06,681 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-11-30 06:43:06,702 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2023-11-30 06:43:06,723 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2023-11-30 06:43:06,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2023-11-30 06:43:06,733 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2023-11-30 06:43:06,733 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-11-30 06:43:06,734 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2023-11-30 06:43:06,734 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2023-11-30 06:43:06,734 INFO L130 BoogieDeclarations]: Found specification of procedure P0
[2023-11-30 06:43:06,735 INFO L138 BoogieDeclarations]: Found implementation of procedure P0
[2023-11-30 06:43:06,735 INFO L130 BoogieDeclarations]: Found specification of procedure P1
[2023-11-30 06:43:06,735 INFO L138 BoogieDeclarations]: Found implementation of procedure P1
[2023-11-30 06:43:06,735 INFO L130 BoogieDeclarations]: Found specification of procedure P2
[2023-11-30 06:43:06,735 INFO L138 BoogieDeclarations]: Found implementation of procedure P2
[2023-11-30 06:43:06,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2023-11-30 06:43:06,735 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2023-11-30 06:43:06,736 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-30 06:43:06,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-30 06:43:06,737 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement
[2023-11-30 06:43:06,856 INFO L241 CfgBuilder]: Building ICFG
[2023-11-30 06:43:06,858 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-30 06:43:07,171 INFO L282 CfgBuilder]: Performing block encoding
[2023-11-30 06:43:07,303 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-30 06:43:07,303 INFO L309 CfgBuilder]: Removed 0 assume(true) statements.
[2023-11-30 06:43:07,306 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 06:43:07 BoogieIcfgContainer
[2023-11-30 06:43:07,306 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-11-30 06:43:07,308 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-11-30 06:43:07,308 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2023-11-30 06:43:07,311 INFO L274 PluginConnector]: TraceAbstraction initialized
[2023-11-30 06:43:07,311 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 06:43:05" (1/3) ...
[2023-11-30 06:43:07,312 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72180ec6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 06:43:07, skipping insertion in model container
[2023-11-30 06:43:07,312 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:43:06" (2/3) ...
[2023-11-30 06:43:07,312 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72180ec6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 06:43:07, skipping insertion in model container
[2023-11-30 06:43:07,313 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 06:43:07" (3/3) ...
[2023-11-30 06:43:07,314 INFO L112 eAbstractionObserver]: Analyzing ICFG mix056_power.oepc_pso.oepc_rmo.oepc.i
[2023-11-30 06:43:07,330 INFO L197 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-11-30 06:43:07,330 INFO L156 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations.
[2023-11-30 06:43:07,331 INFO L508 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2023-11-30 06:43:07,390 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2023-11-30 06:43:07,430 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 126 places, 119 transitions, 250 flow
[2023-11-30 06:43:07,496 INFO L124 PetriNetUnfolderBase]: 3/116 cut-off events.
[2023-11-30 06:43:07,496 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2023-11-30 06:43:07,501 INFO L83 FinitePrefix]: Finished finitePrefix Result has 126 conditions, 116 events. 3/116 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 86 event pairs, 0 based on Foata normal form. 0/107 useless extension candidates. Maximal degree in co-relation 82. Up to 2 conditions per place.
[2023-11-30 06:43:07,501 INFO L82 GeneralOperation]: Start removeDead. Operand has 126 places, 119 transitions, 250 flow
[2023-11-30 06:43:07,507 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 123 places, 116 transitions, 241 flow
[2023-11-30 06:43:07,515 INFO L361 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-11-30 06:43:07,521 INFO L362 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=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@66fbc21d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-11-30 06:43:07,521 INFO L363 AbstractCegarLoop]: Starting to check reachability of 15 error locations.
[2023-11-30 06:43:07,535 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2023-11-30 06:43:07,535 INFO L124 PetriNetUnfolderBase]: 0/47 cut-off events.
[2023-11-30 06:43:07,535 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2023-11-30 06:43:07,535 INFO L224 CegarLoopForPetriNet]: Found error trace
[2023-11-30 06:43:07,543 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-30 06:43:07,544 INFO L425 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] ===
[2023-11-30 06:43:07,548 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-30 06:43:07,548 INFO L85 PathProgramCache]: Analyzing trace with hash 1857547480, now seen corresponding path program 1 times
[2023-11-30 06:43:07,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-30 06:43:07,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305009552]
[2023-11-30 06:43:07,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-30 06:43:07,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-30 06:43:07,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-30 06:43:07,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-30 06:43:07,902 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-30 06:43:07,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305009552]
[2023-11-30 06:43:07,902 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1305009552] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-30 06:43:07,903 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-30 06:43:07,903 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-30 06:43:07,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730202834]
[2023-11-30 06:43:07,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-30 06:43:07,912 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-30 06:43:07,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-30 06:43:07,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-30 06:43:07,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-30 06:43:07,945 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 95 out of 119
[2023-11-30 06:43:07,949 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 123 places, 116 transitions, 241 flow. Second operand has 3 states, 3 states have (on average 96.66666666666667) internal successors, (290), 3 states have internal predecessors, (290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 06:43:07,949 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-30 06:43:07,949 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 95 of 119
[2023-11-30 06:43:07,950 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-30 06:43:08,353 INFO L124 PetriNetUnfolderBase]: 521/1306 cut-off events.
[2023-11-30 06:43:08,354 INFO L125 PetriNetUnfolderBase]: For 21/21 co-relation queries the response was YES.
[2023-11-30 06:43:08,362 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2189 conditions, 1306 events. 521/1306 cut-off events. For 21/21 co-relation queries the response was YES. Maximal size of possible extension queue 96. Compared 8884 event pairs, 148 based on Foata normal form. 70/1087 useless extension candidates. Maximal degree in co-relation 2142. Up to 682 conditions per place.
[2023-11-30 06:43:08,374 INFO L140 encePairwiseOnDemand]: 106/119 looper letters, 28 selfloop transitions, 4 changer transitions 0/122 dead transitions.
[2023-11-30 06:43:08,374 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 122 places, 122 transitions, 323 flow
[2023-11-30 06:43:08,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-30 06:43:08,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2023-11-30 06:43:08,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 329 transitions.
[2023-11-30 06:43:08,390 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.9215686274509803
[2023-11-30 06:43:08,391 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 329 transitions.
[2023-11-30 06:43:08,391 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 329 transitions.
[2023-11-30 06:43:08,394 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-30 06:43:08,396 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 329 transitions.
[2023-11-30 06:43:08,401 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 109.66666666666667) internal successors, (329), 3 states have internal predecessors, (329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 06:43:08,404 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 119.0) internal successors, (476), 4 states have internal predecessors, (476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 06:43:08,405 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 119.0) internal successors, (476), 4 states have internal predecessors, (476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 06:43:08,408 INFO L307 CegarLoopForPetriNet]: 123 programPoint places, -1 predicate places.
[2023-11-30 06:43:08,409 INFO L500 AbstractCegarLoop]: Abstraction has has 122 places, 122 transitions, 323 flow
[2023-11-30 06:43:08,409 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 96.66666666666667) internal successors, (290), 3 states have internal predecessors, (290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 06:43:08,409 INFO L224 CegarLoopForPetriNet]: Found error trace
[2023-11-30 06:43:08,409 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-30 06:43:08,410 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2023-11-30 06:43:08,411 INFO L425 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] ===
[2023-11-30 06:43:08,412 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-30 06:43:08,413 INFO L85 PathProgramCache]: Analyzing trace with hash 1306873837, now seen corresponding path program 1 times
[2023-11-30 06:43:08,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-30 06:43:08,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136450479]
[2023-11-30 06:43:08,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-30 06:43:08,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-30 06:43:08,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-30 06:43:08,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-30 06:43:08,561 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-30 06:43:08,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136450479]
[2023-11-30 06:43:08,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [136450479] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-30 06:43:08,562 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-30 06:43:08,562 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-11-30 06:43:08,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433711291]
[2023-11-30 06:43:08,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-30 06:43:08,563 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-30 06:43:08,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-30 06:43:08,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-30 06:43:08,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-11-30 06:43:08,565 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 95 out of 119
[2023-11-30 06:43:08,565 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 122 places, 122 transitions, 323 flow. Second operand has 4 states, 4 states have (on average 97.0) internal successors, (388), 4 states have internal predecessors, (388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 06:43:08,565 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-30 06:43:08,566 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 95 of 119
[2023-11-30 06:43:08,566 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-30 06:43:08,831 INFO L124 PetriNetUnfolderBase]: 388/1130 cut-off events.
[2023-11-30 06:43:08,831 INFO L125 PetriNetUnfolderBase]: For 143/677 co-relation queries the response was YES.
[2023-11-30 06:43:08,836 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2408 conditions, 1130 events. 388/1130 cut-off events. For 143/677 co-relation queries the response was YES. Maximal size of possible extension queue 68. Compared 7280 event pairs, 203 based on Foata normal form. 16/978 useless extension candidates. Maximal degree in co-relation 2358. Up to 463 conditions per place.
[2023-11-30 06:43:08,844 INFO L140 encePairwiseOnDemand]: 112/119 looper letters, 25 selfloop transitions, 4 changer transitions 0/119 dead transitions.
[2023-11-30 06:43:08,845 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 122 places, 119 transitions, 369 flow
[2023-11-30 06:43:08,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2023-11-30 06:43:08,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2023-11-30 06:43:08,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 412 transitions.
[2023-11-30 06:43:08,847 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.865546218487395
[2023-11-30 06:43:08,848 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 412 transitions.
[2023-11-30 06:43:08,848 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 412 transitions.
[2023-11-30 06:43:08,848 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-30 06:43:08,848 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 412 transitions.
[2023-11-30 06:43:08,850 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 103.0) internal successors, (412), 4 states have internal predecessors, (412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 06:43:08,852 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 119.0) internal successors, (595), 5 states have internal predecessors, (595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 06:43:08,853 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 119.0) internal successors, (595), 5 states have internal predecessors, (595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 06:43:08,853 INFO L307 CegarLoopForPetriNet]: 123 programPoint places, -1 predicate places.
[2023-11-30 06:43:08,854 INFO L500 AbstractCegarLoop]: Abstraction has has 122 places, 119 transitions, 369 flow
[2023-11-30 06:43:08,854 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 97.0) internal successors, (388), 4 states have internal predecessors, (388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 06:43:08,854 INFO L224 CegarLoopForPetriNet]: Found error trace
[2023-11-30 06:43:08,855 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-30 06:43:08,855 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2023-11-30 06:43:08,855 INFO L425 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] ===
[2023-11-30 06:43:08,855 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-30 06:43:08,855 INFO L85 PathProgramCache]: Analyzing trace with hash -1109868014, now seen corresponding path program 1 times
[2023-11-30 06:43:08,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-30 06:43:08,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506754019]
[2023-11-30 06:43:08,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-30 06:43:08,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-30 06:43:08,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-30 06:43:09,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-30 06:43:09,033 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-30 06:43:09,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506754019]
[2023-11-30 06:43:09,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1506754019] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-30 06:43:09,035 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-30 06:43:09,035 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-11-30 06:43:09,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329921828]
[2023-11-30 06:43:09,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-30 06:43:09,037 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-30 06:43:09,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-30 06:43:09,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-30 06:43:09,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2023-11-30 06:43:09,043 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 95 out of 119
[2023-11-30 06:43:09,044 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 122 places, 119 transitions, 369 flow. Second operand has 4 states, 4 states have (on average 97.0) internal successors, (388), 4 states have internal predecessors, (388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 06:43:09,044 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-30 06:43:09,044 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 95 of 119
[2023-11-30 06:43:09,049 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-30 06:43:09,276 INFO L124 PetriNetUnfolderBase]: 291/907 cut-off events.
[2023-11-30 06:43:09,276 INFO L125 PetriNetUnfolderBase]: For 260/934 co-relation queries the response was YES.
[2023-11-30 06:43:09,279 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2331 conditions, 907 events. 291/907 cut-off events. For 260/934 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 5750 event pairs, 91 based on Foata normal form. 22/868 useless extension candidates. Maximal degree in co-relation 2278. Up to 307 conditions per place.
[2023-11-30 06:43:09,285 INFO L140 encePairwiseOnDemand]: 112/119 looper letters, 30 selfloop transitions, 7 changer transitions 3/130 dead transitions.
[2023-11-30 06:43:09,285 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 125 places, 130 transitions, 518 flow
[2023-11-30 06:43:09,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2023-11-30 06:43:09,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2023-11-30 06:43:09,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 423 transitions.
[2023-11-30 06:43:09,287 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8886554621848739
[2023-11-30 06:43:09,288 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 423 transitions.
[2023-11-30 06:43:09,288 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 423 transitions.
[2023-11-30 06:43:09,288 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-30 06:43:09,288 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 423 transitions.
[2023-11-30 06:43:09,289 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 105.75) internal successors, (423), 4 states have internal predecessors, (423), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 06:43:09,290 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 119.0) internal successors, (595), 5 states have internal predecessors, (595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 06:43:09,290 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 119.0) internal successors, (595), 5 states have internal predecessors, (595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 06:43:09,292 INFO L307 CegarLoopForPetriNet]: 123 programPoint places, 2 predicate places.
[2023-11-30 06:43:09,292 INFO L500 AbstractCegarLoop]: Abstraction has has 125 places, 130 transitions, 518 flow
[2023-11-30 06:43:09,292 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 97.0) internal successors, (388), 4 states have internal predecessors, (388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 06:43:09,292 INFO L224 CegarLoopForPetriNet]: Found error trace
[2023-11-30 06:43:09,293 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-30 06:43:09,293 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2023-11-30 06:43:09,293 INFO L425 AbstractCegarLoop]: === Iteration 4 === Targeting P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] ===
[2023-11-30 06:43:09,294 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-30 06:43:09,294 INFO L85 PathProgramCache]: Analyzing trace with hash 691581635, now seen corresponding path program 1 times
[2023-11-30 06:43:09,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-30 06:43:09,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1521137539]
[2023-11-30 06:43:09,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-30 06:43:09,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-30 06:43:09,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-30 06:43:09,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-30 06:43:09,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-30 06:43:09,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1521137539]
[2023-11-30 06:43:09,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1521137539] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-30 06:43:09,453 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-30 06:43:09,453 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-11-30 06:43:09,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6711609]
[2023-11-30 06:43:09,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-30 06:43:09,453 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-11-30 06:43:09,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-30 06:43:09,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-11-30 06:43:09,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2023-11-30 06:43:09,459 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 95 out of 119
[2023-11-30 06:43:09,460 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 125 places, 130 transitions, 518 flow. Second operand has 5 states, 5 states have (on average 97.4) internal successors, (487), 5 states have internal predecessors, (487), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 06:43:09,460 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-30 06:43:09,460 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 95 of 119
[2023-11-30 06:43:09,460 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-30 06:43:09,652 INFO L124 PetriNetUnfolderBase]: 285/957 cut-off events.
[2023-11-30 06:43:09,652 INFO L125 PetriNetUnfolderBase]: For 569/1141 co-relation queries the response was YES.
[2023-11-30 06:43:09,654 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2783 conditions, 957 events. 285/957 cut-off events. For 569/1141 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 6008 event pairs, 111 based on Foata normal form. 31/931 useless extension candidates. Maximal degree in co-relation 2727. Up to 292 conditions per place.
[2023-11-30 06:43:09,656 INFO L140 encePairwiseOnDemand]: 112/119 looper letters, 0 selfloop transitions, 0 changer transitions 129/129 dead transitions.
[2023-11-30 06:43:09,656 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 126 places, 129 transitions, 588 flow
[2023-11-30 06:43:09,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2023-11-30 06:43:09,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2023-11-30 06:43:09,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 517 transitions.
[2023-11-30 06:43:09,658 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8689075630252101
[2023-11-30 06:43:09,658 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 517 transitions.
[2023-11-30 06:43:09,659 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 517 transitions.
[2023-11-30 06:43:09,659 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-30 06:43:09,659 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 517 transitions.
[2023-11-30 06:43:09,661 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 103.4) internal successors, (517), 5 states have internal predecessors, (517), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 06:43:09,662 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 119.0) internal successors, (714), 6 states have internal predecessors, (714), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 06:43:09,662 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 119.0) internal successors, (714), 6 states have internal predecessors, (714), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 06:43:09,664 INFO L307 CegarLoopForPetriNet]: 123 programPoint places, 3 predicate places.
[2023-11-30 06:43:09,664 INFO L500 AbstractCegarLoop]: Abstraction has has 126 places, 129 transitions, 588 flow
[2023-11-30 06:43:09,665 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 97.4) internal successors, (487), 5 states have internal predecessors, (487), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 06:43:09,672 INFO L143 wickiGriesTestDumper]: Dumping Owicki-Gries test to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mix056_power.oepc_pso.oepc_rmo.oepc.i_BEv2_AllErrorsAtOnce
[2023-11-30 06:43:09,708 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 15 remaining)
[2023-11-30 06:43:09,708 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 15 remaining)
[2023-11-30 06:43:09,709 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 15 remaining)
[2023-11-30 06:43:09,709 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 15 remaining)
[2023-11-30 06:43:09,709 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 15 remaining)
[2023-11-30 06:43:09,709 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 15 remaining)
[2023-11-30 06:43:09,709 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining)
[2023-11-30 06:43:09,709 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 15 remaining)
[2023-11-30 06:43:09,709 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 15 remaining)
[2023-11-30 06:43:09,710 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 15 remaining)
[2023-11-30 06:43:09,710 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 15 remaining)
[2023-11-30 06:43:09,710 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 15 remaining)
[2023-11-30 06:43:09,710 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 15 remaining)
[2023-11-30 06:43:09,710 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 15 remaining)
[2023-11-30 06:43:09,710 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 15 remaining)
[2023-11-30 06:43:09,710 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2023-11-30 06:43:09,711 INFO L457 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2023-11-30 06:43:09,717 INFO L222 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2023-11-30 06:43:09,717 INFO L172 ceAbstractionStarter]: Computing trace abstraction results
[2023-11-30 06:43:09,728 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 06:43:09 BasicIcfg
[2023-11-30 06:43:09,728 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2023-11-30 06:43:09,729 INFO L158 Benchmark]: Toolchain (without parser) took 3785.81ms. Allocated memory was 367.0MB in the beginning and 526.4MB in the end (delta: 159.4MB). Free memory was 306.3MB in the beginning and 316.5MB in the end (delta: -10.2MB). Peak memory consumption was 150.1MB. Max. memory is 16.0GB.
[2023-11-30 06:43:09,729 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 367.0MB. Free memory was 314.7MB in the beginning and 314.5MB in the end (delta: 140.3kB). There was no memory consumed. Max. memory is 16.0GB.
[2023-11-30 06:43:09,729 INFO L158 Benchmark]: CACSL2BoogieTranslator took 549.45ms. Allocated memory is still 367.0MB. Free memory was 306.1MB in the beginning and 282.7MB in the end (delta: 23.3MB). Peak memory consumption was 23.1MB. Max. memory is 16.0GB.
[2023-11-30 06:43:09,729 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.61ms. Allocated memory is still 367.0MB. Free memory was 282.7MB in the beginning and 280.3MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB.
[2023-11-30 06:43:09,733 INFO L158 Benchmark]: Boogie Preprocessor took 65.21ms. Allocated memory was 367.0MB in the beginning and 526.4MB in the end (delta: 159.4MB). Free memory was 280.0MB in the beginning and 494.2MB in the end (delta: -214.2MB). Peak memory consumption was 9.1MB. Max. memory is 16.0GB.
[2023-11-30 06:43:09,734 INFO L158 Benchmark]: RCFGBuilder took 664.42ms. Allocated memory is still 526.4MB. Free memory was 494.2MB in the beginning and 452.2MB in the end (delta: 41.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.0GB.
[2023-11-30 06:43:09,734 INFO L158 Benchmark]: TraceAbstraction took 2419.96ms. Allocated memory is still 526.4MB. Free memory was 452.2MB in the beginning and 316.5MB in the end (delta: 135.7MB). Peak memory consumption was 134.7MB. Max. memory is 16.0GB.
[2023-11-30 06:43:09,735 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.13ms. Allocated memory is still 367.0MB. Free memory was 314.7MB in the beginning and 314.5MB in the end (delta: 140.3kB). There was no memory consumed. Max. memory is 16.0GB.
* CACSL2BoogieTranslator took 549.45ms. Allocated memory is still 367.0MB. Free memory was 306.1MB in the beginning and 282.7MB in the end (delta: 23.3MB). Peak memory consumption was 23.1MB. Max. memory is 16.0GB.
* Boogie Procedure Inliner took 80.61ms. Allocated memory is still 367.0MB. Free memory was 282.7MB in the beginning and 280.3MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB.
* Boogie Preprocessor took 65.21ms. Allocated memory was 367.0MB in the beginning and 526.4MB in the end (delta: 159.4MB). Free memory was 280.0MB in the beginning and 494.2MB in the end (delta: -214.2MB). Peak memory consumption was 9.1MB. Max. memory is 16.0GB.
* RCFGBuilder took 664.42ms. Allocated memory is still 526.4MB. Free memory was 494.2MB in the beginning and 452.2MB in the end (delta: 41.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.0GB.
* TraceAbstraction took 2419.96ms. Allocated memory is still 526.4MB. Free memory was 452.2MB in the beginning and 316.5MB in the end (delta: 135.7MB). Peak memory consumption was 134.7MB. Max. memory is 16.0GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- PositiveResult [Line: 763]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 763]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 783]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 783]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 816]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 816]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances
CFG has 7 procedures, 150 locations, 15 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 2.3s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 59 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 59 mSDsluCounter, 4 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 22 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 181 IncrementalHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 22 mSolverCounterUnsat, 4 mSDtfsCounter, 181 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=588occurred in iteration=4, InterpolantAutomatonStates: 16, 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: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 220 NumberOfCodeBlocks, 220 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 216 ConstructedInterpolants, 0 QuantifiedInterpolants, 600 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
- AllSpecificationsHoldResult: All specifications hold
6 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2023-11-30 06:43:09,756 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...