/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/mix022_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i
--------------------------------------------------------------------------------
This is Ultimate 0.2.4-wip.dk.empire-owicki-175f719-m
[2023-11-30 06:41:11,504 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2023-11-30 06:41:11,563 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 06:41:11,588 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-30 06:41:11,589 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-30 06:41:11,589 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-11-30 06:41:11,589 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-30 06:41:11,590 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2023-11-30 06:41:11,590 INFO L153 SettingsManager]: * Use SBE=true
[2023-11-30 06:41:11,593 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-30 06:41:11,594 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2023-11-30 06:41:11,594 INFO L153 SettingsManager]: * sizeof long=4
[2023-11-30 06:41:11,594 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2023-11-30 06:41:11,595 INFO L153 SettingsManager]: * sizeof POINTER=4
[2023-11-30 06:41:11,595 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2023-11-30 06:41:11,595 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2023-11-30 06:41:11,595 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-30 06:41:11,595 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2023-11-30 06:41:11,596 INFO L153 SettingsManager]: * sizeof long double=12
[2023-11-30 06:41:11,596 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2023-11-30 06:41:11,596 INFO L153 SettingsManager]: * Use constant arrays=true
[2023-11-30 06:41:11,596 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-30 06:41:11,597 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2023-11-30 06:41:11,597 INFO L153 SettingsManager]: * To the following directory=./dump/
[2023-11-30 06:41:11,597 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2023-11-30 06:41:11,598 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-30 06:41:11,598 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-30 06:41:11,598 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2023-11-30 06:41:11,598 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2023-11-30 06:41:11,599 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2023-11-30 06:41:11,599 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-11-30 06:41:11,599 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2023-11-30 06:41:11,600 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2023-11-30 06:41:11,600 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true
[2023-11-30 06:41:11,779 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-30 06:41:11,796 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-30 06:41:11,798 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-30 06:41:11,798 INFO L270 PluginConnector]: Initializing CDTParser...
[2023-11-30 06:41:11,799 INFO L274 PluginConnector]: CDTParser initialized
[2023-11-30 06:41:11,799 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix022_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i
[2023-11-30 06:41:12,779 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2023-11-30 06:41:12,964 INFO L384 CDTParser]: Found 1 translation units.
[2023-11-30 06:41:12,964 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix022_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i
[2023-11-30 06:41:12,979 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ede0521d3/9204a75ca79f49ce9f0aac613c24cdc2/FLAGe4e4222b9
[2023-11-30 06:41:13,332 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ede0521d3/9204a75ca79f49ce9f0aac613c24cdc2
[2023-11-30 06:41:13,334 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-30 06:41:13,335 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements.
[2023-11-30 06:41:13,335 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-30 06:41:13,336 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-30 06:41:13,339 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-30 06:41:13,339 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 06:41:13" (1/1) ...
[2023-11-30 06:41:13,340 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@eb8b933 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:41:13, skipping insertion in model container
[2023-11-30 06:41:13,340 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 06:41:13" (1/1) ...
[2023-11-30 06:41:13,375 INFO L177 MainTranslator]: Built tables and reachable declarations
[2023-11-30 06:41:13,674 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-30 06:41:13,684 INFO L202 MainTranslator]: Completed pre-run
[2023-11-30 06:41:13,735 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-30 06:41:13,758 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler.
[2023-11-30 06:41:13,758 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler.
[2023-11-30 06:41:13,763 INFO L206 MainTranslator]: Completed translation
[2023-11-30 06:41:13,763 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:41:13 WrapperNode
[2023-11-30 06:41:13,763 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-30 06:41:13,764 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-30 06:41:13,764 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-30 06:41:13,764 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-30 06:41:13,769 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:41:13" (1/1) ...
[2023-11-30 06:41:13,795 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:41:13" (1/1) ...
[2023-11-30 06:41:13,818 INFO L138 Inliner]: procedures = 175, calls = 44, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 120
[2023-11-30 06:41:13,819 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-30 06:41:13,819 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-30 06:41:13,819 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-30 06:41:13,820 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2023-11-30 06:41:13,826 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:41:13" (1/1) ...
[2023-11-30 06:41:13,826 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:41:13" (1/1) ...
[2023-11-30 06:41:13,838 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:41:13" (1/1) ...
[2023-11-30 06:41:13,839 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:41:13" (1/1) ...
[2023-11-30 06:41:13,846 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:41:13" (1/1) ...
[2023-11-30 06:41:13,847 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:41:13" (1/1) ...
[2023-11-30 06:41:13,848 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:41:13" (1/1) ...
[2023-11-30 06:41:13,849 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:41:13" (1/1) ...
[2023-11-30 06:41:13,851 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-30 06:41:13,852 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-30 06:41:13,852 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2023-11-30 06:41:13,852 INFO L274 PluginConnector]: RCFGBuilder initialized
[2023-11-30 06:41:13,852 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:41:13" (1/1) ...
[2023-11-30 06:41:13,855 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-30 06:41:13,863 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-11-30 06:41:13,893 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 06:41:13,920 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 06:41:13,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2023-11-30 06:41:13,932 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2023-11-30 06:41:13,932 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-11-30 06:41:13,933 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2023-11-30 06:41:13,933 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2023-11-30 06:41:13,933 INFO L130 BoogieDeclarations]: Found specification of procedure P0
[2023-11-30 06:41:13,933 INFO L138 BoogieDeclarations]: Found implementation of procedure P0
[2023-11-30 06:41:13,933 INFO L130 BoogieDeclarations]: Found specification of procedure P1
[2023-11-30 06:41:13,933 INFO L138 BoogieDeclarations]: Found implementation of procedure P1
[2023-11-30 06:41:13,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2023-11-30 06:41:13,933 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2023-11-30 06:41:13,933 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-30 06:41:13,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-30 06:41:13,934 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 06:41:14,040 INFO L241 CfgBuilder]: Building ICFG
[2023-11-30 06:41:14,041 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-30 06:41:14,204 INFO L282 CfgBuilder]: Performing block encoding
[2023-11-30 06:41:14,312 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-30 06:41:14,312 INFO L309 CfgBuilder]: Removed 0 assume(true) statements.
[2023-11-30 06:41:14,314 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 06:41:14 BoogieIcfgContainer
[2023-11-30 06:41:14,314 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-11-30 06:41:14,316 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-11-30 06:41:14,316 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2023-11-30 06:41:14,318 INFO L274 PluginConnector]: TraceAbstraction initialized
[2023-11-30 06:41:14,318 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 06:41:13" (1/3) ...
[2023-11-30 06:41:14,318 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fd259e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 06:41:14, skipping insertion in model container
[2023-11-30 06:41:14,318 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:41:13" (2/3) ...
[2023-11-30 06:41:14,319 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fd259e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 06:41:14, skipping insertion in model container
[2023-11-30 06:41:14,319 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 06:41:14" (3/3) ...
[2023-11-30 06:41:14,319 INFO L112 eAbstractionObserver]: Analyzing ICFG mix022_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i
[2023-11-30 06:41:14,330 INFO L197 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-11-30 06:41:14,330 INFO L156 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations.
[2023-11-30 06:41:14,330 INFO L508 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2023-11-30 06:41:14,359 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2023-11-30 06:41:14,382 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 103 places, 99 transitions, 206 flow
[2023-11-30 06:41:14,408 INFO L124 PetriNetUnfolderBase]: 3/97 cut-off events.
[2023-11-30 06:41:14,409 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2023-11-30 06:41:14,412 INFO L83 FinitePrefix]: Finished finitePrefix Result has 104 conditions, 97 events. 3/97 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 64 event pairs, 0 based on Foata normal form. 0/90 useless extension candidates. Maximal degree in co-relation 63. Up to 2 conditions per place.
[2023-11-30 06:41:14,412 INFO L82 GeneralOperation]: Start removeDead. Operand has 103 places, 99 transitions, 206 flow
[2023-11-30 06:41:14,414 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 101 places, 97 transitions, 200 flow
[2023-11-30 06:41:14,420 INFO L361 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-11-30 06:41:14,424 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;@3a739fe4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-11-30 06:41:14,425 INFO L363 AbstractCegarLoop]: Starting to check reachability of 10 error locations.
[2023-11-30 06:41:14,445 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2023-11-30 06:41:14,445 INFO L124 PetriNetUnfolderBase]: 0/44 cut-off events.
[2023-11-30 06:41:14,445 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2023-11-30 06:41:14,445 INFO L224 CegarLoopForPetriNet]: Found error trace
[2023-11-30 06:41:14,446 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]
[2023-11-30 06:41:14,446 INFO L425 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 6 more)] ===
[2023-11-30 06:41:14,450 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-30 06:41:14,450 INFO L85 PathProgramCache]: Analyzing trace with hash -1941285523, now seen corresponding path program 1 times
[2023-11-30 06:41:14,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-30 06:41:14,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [481104183]
[2023-11-30 06:41:14,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-30 06:41:14,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-30 06:41:14,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-30 06:41:14,714 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 06:41:14,715 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-30 06:41:14,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [481104183]
[2023-11-30 06:41:14,716 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [481104183] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-30 06:41:14,716 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-30 06:41:14,716 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-30 06:41:14,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100000207]
[2023-11-30 06:41:14,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-30 06:41:14,723 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-30 06:41:14,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-30 06:41:14,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-30 06:41:14,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-30 06:41:14,743 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 80 out of 99
[2023-11-30 06:41:14,745 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 101 places, 97 transitions, 200 flow. Second operand has 3 states, 3 states have (on average 81.66666666666667) internal successors, (245), 3 states have internal predecessors, (245), 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 06:41:14,745 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-30 06:41:14,745 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 80 of 99
[2023-11-30 06:41:14,745 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-30 06:41:14,837 INFO L124 PetriNetUnfolderBase]: 68/365 cut-off events.
[2023-11-30 06:41:14,838 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES.
[2023-11-30 06:41:14,839 INFO L83 FinitePrefix]: Finished finitePrefix Result has 512 conditions, 365 events. 68/365 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 1698 event pairs, 40 based on Foata normal form. 27/351 useless extension candidates. Maximal degree in co-relation 468. Up to 73 conditions per place.
[2023-11-30 06:41:14,841 INFO L140 encePairwiseOnDemand]: 89/99 looper letters, 19 selfloop transitions, 3 changer transitions 2/100 dead transitions.
[2023-11-30 06:41:14,841 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 100 places, 100 transitions, 257 flow
[2023-11-30 06:41:14,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-30 06:41:14,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2023-11-30 06:41:14,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 274 transitions.
[2023-11-30 06:41:14,850 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.9225589225589226
[2023-11-30 06:41:14,850 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 274 transitions.
[2023-11-30 06:41:14,850 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 274 transitions.
[2023-11-30 06:41:14,851 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-30 06:41:14,853 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 274 transitions.
[2023-11-30 06:41:14,854 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 91.33333333333333) internal successors, (274), 3 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)
[2023-11-30 06:41:14,858 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 99.0) internal successors, (396), 4 states have internal predecessors, (396), 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 06:41:14,858 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 99.0) internal successors, (396), 4 states have internal predecessors, (396), 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 06:41:14,863 INFO L307 CegarLoopForPetriNet]: 101 programPoint places, -1 predicate places.
[2023-11-30 06:41:14,863 INFO L500 AbstractCegarLoop]: Abstraction has has 100 places, 100 transitions, 257 flow
[2023-11-30 06:41:14,863 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 81.66666666666667) internal successors, (245), 3 states have internal predecessors, (245), 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 06:41:14,863 INFO L224 CegarLoopForPetriNet]: Found error trace
[2023-11-30 06:41:14,864 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]
[2023-11-30 06:41:14,864 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2023-11-30 06:41:14,864 INFO L425 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 6 more)] ===
[2023-11-30 06:41:14,864 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-30 06:41:14,865 INFO L85 PathProgramCache]: Analyzing trace with hash -1901828075, now seen corresponding path program 1 times
[2023-11-30 06:41:14,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-30 06:41:14,865 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326606721]
[2023-11-30 06:41:14,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-30 06:41:14,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-30 06:41:14,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-30 06:41:15,049 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 06:41:15,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-30 06:41:15,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326606721]
[2023-11-30 06:41:15,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1326606721] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-30 06:41:15,050 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-30 06:41:15,050 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-11-30 06:41:15,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612478073]
[2023-11-30 06:41:15,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-30 06:41:15,052 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-30 06:41:15,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-30 06:41:15,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-30 06:41:15,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-11-30 06:41:15,054 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 80 out of 99
[2023-11-30 06:41:15,055 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 100 places, 100 transitions, 257 flow. Second operand has 4 states, 4 states have (on average 82.25) internal successors, (329), 4 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 06:41:15,055 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-30 06:41:15,055 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 80 of 99
[2023-11-30 06:41:15,055 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-30 06:41:15,149 INFO L124 PetriNetUnfolderBase]: 64/318 cut-off events.
[2023-11-30 06:41:15,149 INFO L125 PetriNetUnfolderBase]: For 45/145 co-relation queries the response was YES.
[2023-11-30 06:41:15,152 INFO L83 FinitePrefix]: Finished finitePrefix Result has 579 conditions, 318 events. 64/318 cut-off events. For 45/145 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 1406 event pairs, 30 based on Foata normal form. 10/299 useless extension candidates. Maximal degree in co-relation 532. Up to 63 conditions per place.
[2023-11-30 06:41:15,154 INFO L140 encePairwiseOnDemand]: 94/99 looper letters, 17 selfloop transitions, 3 changer transitions 2/98 dead transitions.
[2023-11-30 06:41:15,154 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 101 places, 98 transitions, 293 flow
[2023-11-30 06:41:15,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2023-11-30 06:41:15,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2023-11-30 06:41:15,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 344 transitions.
[2023-11-30 06:41:15,158 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8686868686868687
[2023-11-30 06:41:15,158 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 344 transitions.
[2023-11-30 06:41:15,158 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 344 transitions.
[2023-11-30 06:41:15,159 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-30 06:41:15,159 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 344 transitions.
[2023-11-30 06:41:15,160 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 86.0) internal successors, (344), 4 states have internal predecessors, (344), 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 06:41:15,162 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 99.0) internal successors, (495), 5 states have internal predecessors, (495), 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 06:41:15,162 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 99.0) internal successors, (495), 5 states have internal predecessors, (495), 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 06:41:15,163 INFO L307 CegarLoopForPetriNet]: 101 programPoint places, 0 predicate places.
[2023-11-30 06:41:15,163 INFO L500 AbstractCegarLoop]: Abstraction has has 101 places, 98 transitions, 293 flow
[2023-11-30 06:41:15,164 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 82.25) internal successors, (329), 4 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 06:41:15,164 INFO L224 CegarLoopForPetriNet]: Found error trace
[2023-11-30 06:41:15,164 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]
[2023-11-30 06:41:15,164 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2023-11-30 06:41:15,164 INFO L425 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 6 more)] ===
[2023-11-30 06:41:15,170 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-30 06:41:15,170 INFO L85 PathProgramCache]: Analyzing trace with hash 2074421772, now seen corresponding path program 1 times
[2023-11-30 06:41:15,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-30 06:41:15,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1954715579]
[2023-11-30 06:41:15,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-30 06:41:15,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-30 06:41:15,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-30 06:41:15,294 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 06:41:15,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-30 06:41:15,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1954715579]
[2023-11-30 06:41:15,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1954715579] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-30 06:41:15,294 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-30 06:41:15,294 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-11-30 06:41:15,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456043344]
[2023-11-30 06:41:15,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-30 06:41:15,295 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-30 06:41:15,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-30 06:41:15,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-30 06:41:15,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2023-11-30 06:41:15,296 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 80 out of 99
[2023-11-30 06:41:15,296 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 101 places, 98 transitions, 293 flow. Second operand has 4 states, 4 states have (on average 82.25) internal successors, (329), 4 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 06:41:15,297 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-30 06:41:15,297 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 80 of 99
[2023-11-30 06:41:15,297 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-30 06:41:15,360 INFO L124 PetriNetUnfolderBase]: 60/308 cut-off events.
[2023-11-30 06:41:15,364 INFO L125 PetriNetUnfolderBase]: For 114/226 co-relation queries the response was YES.
[2023-11-30 06:41:15,364 INFO L83 FinitePrefix]: Finished finitePrefix Result has 663 conditions, 308 events. 60/308 cut-off events. For 114/226 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 1325 event pairs, 30 based on Foata normal form. 11/299 useless extension candidates. Maximal degree in co-relation 613. Up to 61 conditions per place.
[2023-11-30 06:41:15,364 INFO L140 encePairwiseOnDemand]: 94/99 looper letters, 0 selfloop transitions, 0 changer transitions 98/98 dead transitions.
[2023-11-30 06:41:15,365 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 102 places, 98 transitions, 337 flow
[2023-11-30 06:41:15,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2023-11-30 06:41:15,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2023-11-30 06:41:15,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 344 transitions.
[2023-11-30 06:41:15,366 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8686868686868687
[2023-11-30 06:41:15,366 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 344 transitions.
[2023-11-30 06:41:15,366 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 344 transitions.
[2023-11-30 06:41:15,366 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-30 06:41:15,366 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 344 transitions.
[2023-11-30 06:41:15,367 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 86.0) internal successors, (344), 4 states have internal predecessors, (344), 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 06:41:15,368 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 99.0) internal successors, (495), 5 states have internal predecessors, (495), 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 06:41:15,368 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 99.0) internal successors, (495), 5 states have internal predecessors, (495), 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 06:41:15,369 INFO L307 CegarLoopForPetriNet]: 101 programPoint places, 1 predicate places.
[2023-11-30 06:41:15,369 INFO L500 AbstractCegarLoop]: Abstraction has has 102 places, 98 transitions, 337 flow
[2023-11-30 06:41:15,369 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 82.25) internal successors, (329), 4 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 06:41:15,375 INFO L143 wickiGriesTestDumper]: Dumping Owicki-Gries test to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mix022_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i_BEv2_AllErrorsAtOnce
[2023-11-30 06:41:15,390 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 10 remaining)
[2023-11-30 06:41:15,390 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 10 remaining)
[2023-11-30 06:41:15,390 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 10 remaining)
[2023-11-30 06:41:15,390 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 10 remaining)
[2023-11-30 06:41:15,390 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 10 remaining)
[2023-11-30 06:41:15,390 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 10 remaining)
[2023-11-30 06:41:15,391 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 10 remaining)
[2023-11-30 06:41:15,391 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 10 remaining)
[2023-11-30 06:41:15,391 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 10 remaining)
[2023-11-30 06:41:15,391 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 10 remaining)
[2023-11-30 06:41:15,391 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2023-11-30 06:41:15,391 INFO L457 BasicCegarLoop]: Path program histogram: [1, 1, 1]
[2023-11-30 06:41:15,394 INFO L222 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2023-11-30 06:41:15,394 INFO L172 ceAbstractionStarter]: Computing trace abstraction results
[2023-11-30 06:41:15,398 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 06:41:15 BasicIcfg
[2023-11-30 06:41:15,398 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2023-11-30 06:41:15,399 INFO L158 Benchmark]: Toolchain (without parser) took 2064.07ms. Allocated memory was 385.9MB in the beginning and 478.2MB in the end (delta: 92.3MB). Free memory was 342.2MB in the beginning and 352.4MB in the end (delta: -10.2MB). Peak memory consumption was 83.8MB. Max. memory is 16.0GB.
[2023-11-30 06:41:15,399 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 385.9MB. Free memory was 341.3MB in the beginning and 341.1MB in the end (delta: 174.9kB). There was no memory consumed. Max. memory is 16.0GB.
[2023-11-30 06:41:15,400 INFO L158 Benchmark]: CACSL2BoogieTranslator took 428.01ms. Allocated memory is still 385.9MB. Free memory was 342.2MB in the beginning and 319.4MB in the end (delta: 22.8MB). Peak memory consumption was 23.1MB. Max. memory is 16.0GB.
[2023-11-30 06:41:15,400 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.86ms. Allocated memory is still 385.9MB. Free memory was 319.4MB in the beginning and 317.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB.
[2023-11-30 06:41:15,400 INFO L158 Benchmark]: Boogie Preprocessor took 31.75ms. Allocated memory is still 385.9MB. Free memory was 317.0MB in the beginning and 315.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB.
[2023-11-30 06:41:15,401 INFO L158 Benchmark]: RCFGBuilder took 462.94ms. Allocated memory was 385.9MB in the beginning and 478.2MB in the end (delta: 92.3MB). Free memory was 314.9MB in the beginning and 434.2MB in the end (delta: -119.3MB). Peak memory consumption was 29.4MB. Max. memory is 16.0GB.
[2023-11-30 06:41:15,401 INFO L158 Benchmark]: TraceAbstraction took 1082.62ms. Allocated memory is still 478.2MB. Free memory was 433.3MB in the beginning and 352.4MB in the end (delta: 80.9MB). Peak memory consumption was 81.6MB. Max. memory is 16.0GB.
[2023-11-30 06:41:15,403 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 385.9MB. Free memory was 341.3MB in the beginning and 341.1MB in the end (delta: 174.9kB). There was no memory consumed. Max. memory is 16.0GB.
* CACSL2BoogieTranslator took 428.01ms. Allocated memory is still 385.9MB. Free memory was 342.2MB in the beginning and 319.4MB in the end (delta: 22.8MB). Peak memory consumption was 23.1MB. Max. memory is 16.0GB.
* Boogie Procedure Inliner took 54.86ms. Allocated memory is still 385.9MB. Free memory was 319.4MB in the beginning and 317.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB.
* Boogie Preprocessor took 31.75ms. Allocated memory is still 385.9MB. Free memory was 317.0MB in the beginning and 315.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB.
* RCFGBuilder took 462.94ms. Allocated memory was 385.9MB in the beginning and 478.2MB in the end (delta: 92.3MB). Free memory was 314.9MB in the beginning and 434.2MB in the end (delta: -119.3MB). Peak memory consumption was 29.4MB. Max. memory is 16.0GB.
* TraceAbstraction took 1082.62ms. Allocated memory is still 478.2MB. Free memory was 433.3MB in the beginning and 352.4MB in the end (delta: 80.9MB). Peak memory consumption was 81.6MB. Max. memory is 16.0GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- PositiveResult [Line: 759]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 759]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 795]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 795]: 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 5 procedures, 120 locations, 10 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: 1.0s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 25 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 25 mSDsluCounter, 3 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 94 IncrementalHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 3 mSDtfsCounter, 94 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=337occurred in iteration=3, InterpolantAutomatonStates: 11, 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, 0.4s InterpolantComputationTime, 149 NumberOfCodeBlocks, 149 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 146 ConstructedInterpolants, 0 QuantifiedInterpolants, 402 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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
4 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2023-11-30 06:41:15,420 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...