/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-VariableLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --cacsl2boogietranslator.check.absence.of.data.races.in.concurrent.programs true -i ../../../trunk/examples/svcomp/pthread-deagle/arithmetic_prog_bad.i
--------------------------------------------------------------------------------
This is Ultimate 0.2.3-dev-ac9dbd0-m
[2023-08-25 07:32:48,691 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2023-08-25 07:32:48,776 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-VariableLbe.epf
[2023-08-25 07:32:48,780 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2023-08-25 07:32:48,781 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty.
[2023-08-25 07:32:48,811 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2023-08-25 07:32:48,812 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-08-25 07:32:48,812 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-08-25 07:32:48,813 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-08-25 07:32:48,816 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2023-08-25 07:32:48,816 INFO L153 SettingsManager]: * Use SBE=true
[2023-08-25 07:32:48,817 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-08-25 07:32:48,817 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2023-08-25 07:32:48,818 INFO L153 SettingsManager]: * sizeof long=4
[2023-08-25 07:32:48,819 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2023-08-25 07:32:48,819 INFO L153 SettingsManager]: * sizeof POINTER=4
[2023-08-25 07:32:48,819 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2023-08-25 07:32:48,819 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2023-08-25 07:32:48,820 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-08-25 07:32:48,820 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2023-08-25 07:32:48,820 INFO L153 SettingsManager]: * sizeof long double=12
[2023-08-25 07:32:48,821 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2023-08-25 07:32:48,821 INFO L153 SettingsManager]: * Use constant arrays=true
[2023-08-25 07:32:48,822 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-08-25 07:32:48,822 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2023-08-25 07:32:48,822 INFO L153 SettingsManager]: * To the following directory=./dump/
[2023-08-25 07:32:48,823 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2023-08-25 07:32:48,823 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-08-25 07:32:48,823 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-08-25 07:32:48,823 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2023-08-25 07:32:48,824 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2023-08-25 07:32:48,824 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2023-08-25 07:32:48,825 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-08-25 07:32:48,825 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2023-08-25 07:32:48,825 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2023-08-25 07:32:48,825 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC
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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true
[2023-08-25 07:32:49,139 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2023-08-25 07:32:49,171 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-08-25 07:32:49,173 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-08-25 07:32:49,174 INFO L270 PluginConnector]: Initializing CDTParser...
[2023-08-25 07:32:49,176 INFO L274 PluginConnector]: CDTParser initialized
[2023-08-25 07:32:49,178 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-deagle/arithmetic_prog_bad.i
[2023-08-25 07:32:50,337 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2023-08-25 07:32:50,603 INFO L384 CDTParser]: Found 1 translation units.
[2023-08-25 07:32:50,603 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-deagle/arithmetic_prog_bad.i
[2023-08-25 07:32:50,618 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5f69769f/b73162a34f9642fc9e4d694d86e69b7a/FLAG3658bae9b
[2023-08-25 07:32:50,630 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5f69769f/b73162a34f9642fc9e4d694d86e69b7a
[2023-08-25 07:32:50,633 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-08-25 07:32:50,634 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements.
[2023-08-25 07:32:50,635 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-08-25 07:32:50,635 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-08-25 07:32:50,637 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2023-08-25 07:32:50,638 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 07:32:50" (1/1) ...
[2023-08-25 07:32:50,639 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66612b5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 07:32:50, skipping insertion in model container
[2023-08-25 07:32:50,639 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 07:32:50" (1/1) ...
[2023-08-25 07:32:50,691 INFO L176 MainTranslator]: Built tables and reachable declarations
[2023-08-25 07:32:51,058 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-08-25 07:32:51,078 INFO L201 MainTranslator]: Completed pre-run
[2023-08-25 07:32:51,104 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [218]
[2023-08-25 07:32:51,106 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [219]
[2023-08-25 07:32:51,112 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: unsigned short [730]
[2023-08-25 07:32:51,116 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: unsigned long [871]
[2023-08-25 07:32:51,123 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-08-25 07:32:51,181 INFO L206 MainTranslator]: Completed translation
[2023-08-25 07:32:51,181 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 07:32:51 WrapperNode
[2023-08-25 07:32:51,182 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-08-25 07:32:51,183 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-08-25 07:32:51,183 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-08-25 07:32:51,183 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2023-08-25 07:32:51,189 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 07:32:51" (1/1) ...
[2023-08-25 07:32:51,206 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 07:32:51" (1/1) ...
[2023-08-25 07:32:51,226 INFO L138 Inliner]: procedures = 243, calls = 51, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 106
[2023-08-25 07:32:51,227 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-08-25 07:32:51,227 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-08-25 07:32:51,227 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2023-08-25 07:32:51,227 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2023-08-25 07:32:51,234 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 07:32:51" (1/1) ...
[2023-08-25 07:32:51,235 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 07:32:51" (1/1) ...
[2023-08-25 07:32:51,238 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 07:32:51" (1/1) ...
[2023-08-25 07:32:51,238 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 07:32:51" (1/1) ...
[2023-08-25 07:32:51,244 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 07:32:51" (1/1) ...
[2023-08-25 07:32:51,247 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 07:32:51" (1/1) ...
[2023-08-25 07:32:51,249 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 07:32:51" (1/1) ...
[2023-08-25 07:32:51,250 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 07:32:51" (1/1) ...
[2023-08-25 07:32:51,253 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-08-25 07:32:51,253 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-08-25 07:32:51,253 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2023-08-25 07:32:51,254 INFO L274 PluginConnector]: RCFGBuilder initialized
[2023-08-25 07:32:51,254 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 07:32:51" (1/1) ...
[2023-08-25 07:32:51,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-08-25 07:32:51,269 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-08-25 07:32:51,286 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)
[2023-08-25 07:32:51,310 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
[2023-08-25 07:32:51,321 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2023-08-25 07:32:51,322 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2023-08-25 07:32:51,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$
[2023-08-25 07:32:51,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2023-08-25 07:32:51,322 INFO L130 BoogieDeclarations]: Found specification of procedure thread1
[2023-08-25 07:32:51,322 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1
[2023-08-25 07:32:51,322 INFO L130 BoogieDeclarations]: Found specification of procedure thread2
[2023-08-25 07:32:51,322 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2
[2023-08-25 07:32:51,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2023-08-25 07:32:51,322 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock
[2023-08-25 07:32:51,323 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-08-25 07:32:51,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2023-08-25 07:32:51,323 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-08-25 07:32:51,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-08-25 07:32:51,324 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement
[2023-08-25 07:32:51,433 INFO L236 CfgBuilder]: Building ICFG
[2023-08-25 07:32:51,435 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation
[2023-08-25 07:32:51,740 INFO L277 CfgBuilder]: Performing block encoding
[2023-08-25 07:32:51,748 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-08-25 07:32:51,749 INFO L302 CfgBuilder]: Removed 4 assume(true) statements.
[2023-08-25 07:32:51,750 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 07:32:51 BoogieIcfgContainer
[2023-08-25 07:32:51,750 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-08-25 07:32:51,752 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-08-25 07:32:51,752 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2023-08-25 07:32:51,755 INFO L274 PluginConnector]: TraceAbstraction initialized
[2023-08-25 07:32:51,755 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.08 07:32:50" (1/3) ...
[2023-08-25 07:32:51,756 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@af0a8d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 07:32:51, skipping insertion in model container
[2023-08-25 07:32:51,756 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 07:32:51" (2/3) ...
[2023-08-25 07:32:51,756 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@af0a8d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 07:32:51, skipping insertion in model container
[2023-08-25 07:32:51,757 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 07:32:51" (3/3) ...
[2023-08-25 07:32:51,758 INFO L112 eAbstractionObserver]: Analyzing ICFG arithmetic_prog_bad.i
[2023-08-25 07:32:51,775 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-08-25 07:32:51,775 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 18 error locations.
[2023-08-25 07:32:51,776 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2023-08-25 07:32:51,895 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions.
[2023-08-25 07:32:51,936 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 202 places, 206 transitions, 428 flow
[2023-08-25 07:32:52,045 INFO L124 PetriNetUnfolderBase]: 11/204 cut-off events.
[2023-08-25 07:32:52,046 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES.
[2023-08-25 07:32:52,053 INFO L83 FinitePrefix]: Finished finitePrefix Result has 213 conditions, 204 events. 11/204 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 359 event pairs, 0 based on Foata normal form. 0/175 useless extension candidates. Maximal degree in co-relation 111. Up to 3 conditions per place.
[2023-08-25 07:32:52,053 INFO L82 GeneralOperation]: Start removeDead. Operand has 202 places, 206 transitions, 428 flow
[2023-08-25 07:32:52,062 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 190 places, 191 transitions, 394 flow
[2023-08-25 07:32:52,065 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation.
[2023-08-25 07:32:52,082 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 190 places, 191 transitions, 394 flow
[2023-08-25 07:32:52,085 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 190 places, 191 transitions, 394 flow
[2023-08-25 07:32:52,086 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 190 places, 191 transitions, 394 flow
[2023-08-25 07:32:52,143 INFO L124 PetriNetUnfolderBase]: 8/191 cut-off events.
[2023-08-25 07:32:52,143 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES.
[2023-08-25 07:32:52,146 INFO L83 FinitePrefix]: Finished finitePrefix Result has 200 conditions, 191 events. 8/191 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 335 event pairs, 0 based on Foata normal form. 0/166 useless extension candidates. Maximal degree in co-relation 111. Up to 2 conditions per place.
[2023-08-25 07:32:52,150 INFO L119 LiptonReduction]: Number of co-enabled transitions 7052
[2023-08-25 07:32:57,728 INFO L134 LiptonReduction]: Checked pairs total: 19909
[2023-08-25 07:32:57,728 INFO L136 LiptonReduction]: Total number of compositions: 158
[2023-08-25 07:32:57,740 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-08-25 07:32:57,745 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@1fd7764f, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2023-08-25 07:32:57,745 INFO L358 AbstractCegarLoop]: Starting to check reachability of 31 error locations.
[2023-08-25 07:32:57,747 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2023-08-25 07:32:57,747 INFO L124 PetriNetUnfolderBase]: 0/0 cut-off events.
[2023-08-25 07:32:57,747 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2023-08-25 07:32:57,747 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-08-25 07:32:57,748 INFO L208 CegarLoopForPetriNet]: trace histogram [1]
[2023-08-25 07:32:57,748 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread2Err5ASSERT_VIOLATIONDATA_RACE (and 27 more)] ===
[2023-08-25 07:32:57,752 INFO L145 PredicateUnifier]: Initialized classic predicate unifier
[2023-08-25 07:32:57,752 INFO L85 PathProgramCache]: Analyzing trace with hash 744, now seen corresponding path program 1 times
[2023-08-25 07:32:57,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-08-25 07:32:57,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1096262354]
[2023-08-25 07:32:57,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-08-25 07:32:57,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-08-25 07:32:57,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-08-25 07:32:57,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-08-25 07:32:57,874 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-08-25 07:32:57,874 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1096262354]
[2023-08-25 07:32:57,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1096262354] provided 1 perfect and 0 imperfect interpolant sequences
[2023-08-25 07:32:57,875 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-08-25 07:32:57,875 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0
[2023-08-25 07:32:57,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123405858]
[2023-08-25 07:32:57,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-08-25 07:32:57,885 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2023-08-25 07:32:57,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-08-25 07:32:57,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2023-08-25 07:32:57,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-08-25 07:32:57,914 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 195 out of 364
[2023-08-25 07:32:57,919 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 60 transitions, 132 flow. Second operand has 2 states, 2 states have (on average 195.5) internal successors, (391), 2 states have internal predecessors, (391), 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)
[2023-08-25 07:32:57,919 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-08-25 07:32:57,919 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 195 of 364
[2023-08-25 07:32:57,920 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-08-25 07:32:58,057 INFO L124 PetriNetUnfolderBase]: 205/510 cut-off events.
[2023-08-25 07:32:58,057 INFO L125 PetriNetUnfolderBase]: For 26/26 co-relation queries the response was YES.
[2023-08-25 07:32:58,060 INFO L83 FinitePrefix]: Finished finitePrefix Result has 869 conditions, 510 events. 205/510 cut-off events. For 26/26 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 2576 event pairs, 141 based on Foata normal form. 32/453 useless extension candidates. Maximal degree in co-relation 768. Up to 333 conditions per place.
[2023-08-25 07:32:58,065 INFO L140 encePairwiseOnDemand]: 352/364 looper letters, 25 selfloop transitions, 0 changer transitions 0/48 dead transitions.
[2023-08-25 07:32:58,065 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 48 transitions, 158 flow
[2023-08-25 07:32:58,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2023-08-25 07:32:58,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states.
[2023-08-25 07:32:58,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 427 transitions.
[2023-08-25 07:32:58,085 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5865384615384616
[2023-08-25 07:32:58,086 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 427 transitions.
[2023-08-25 07:32:58,086 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 427 transitions.
[2023-08-25 07:32:58,089 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-08-25 07:32:58,091 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 427 transitions.
[2023-08-25 07:32:58,096 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 213.5) internal successors, (427), 2 states have internal predecessors, (427), 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)
[2023-08-25 07:32:58,100 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 364.0) internal successors, (1092), 3 states have internal predecessors, (1092), 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)
[2023-08-25 07:32:58,101 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 364.0) internal successors, (1092), 3 states have internal predecessors, (1092), 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)
[2023-08-25 07:32:58,103 INFO L175 Difference]: Start difference. First operand has 61 places, 60 transitions, 132 flow. Second operand 2 states and 427 transitions.
[2023-08-25 07:32:58,104 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 48 transitions, 158 flow
[2023-08-25 07:32:58,107 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 48 transitions, 150 flow, removed 0 selfloop flow, removed 4 redundant places.
[2023-08-25 07:32:58,109 INFO L231 Difference]: Finished difference. Result has 48 places, 48 transitions, 100 flow
[2023-08-25 07:32:58,110 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=364, PETRI_DIFFERENCE_MINUEND_FLOW=100, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=100, PETRI_PLACES=48, PETRI_TRANSITIONS=48}
[2023-08-25 07:32:58,113 INFO L281 CegarLoopForPetriNet]: 61 programPoint places, -13 predicate places.
[2023-08-25 07:32:58,114 INFO L495 AbstractCegarLoop]: Abstraction has has 48 places, 48 transitions, 100 flow
[2023-08-25 07:32:58,114 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 195.5) internal successors, (391), 2 states have internal predecessors, (391), 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)
[2023-08-25 07:32:58,115 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-08-25 07:32:58,115 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1]
[2023-08-25 07:32:58,115 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2023-08-25 07:32:58,115 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread2Err5ASSERT_VIOLATIONDATA_RACE (and 27 more)] ===
[2023-08-25 07:32:58,123 INFO L145 PredicateUnifier]: Initialized classic predicate unifier
[2023-08-25 07:32:58,123 INFO L85 PathProgramCache]: Analyzing trace with hash 385503927, now seen corresponding path program 1 times
[2023-08-25 07:32:58,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-08-25 07:32:58,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686916254]
[2023-08-25 07:32:58,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-08-25 07:32:58,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-08-25 07:32:58,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-08-25 07:32:58,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-08-25 07:32:58,302 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-08-25 07:32:58,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686916254]
[2023-08-25 07:32:58,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [686916254] provided 1 perfect and 0 imperfect interpolant sequences
[2023-08-25 07:32:58,303 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-08-25 07:32:58,303 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-08-25 07:32:58,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548274394]
[2023-08-25 07:32:58,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-08-25 07:32:58,304 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-08-25 07:32:58,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-08-25 07:32:58,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-08-25 07:32:58,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-08-25 07:32:58,306 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 174 out of 364
[2023-08-25 07:32:58,307 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 48 transitions, 100 flow. Second operand has 3 states, 3 states have (on average 176.0) internal successors, (528), 3 states have internal predecessors, (528), 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)
[2023-08-25 07:32:58,307 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-08-25 07:32:58,307 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 174 of 364
[2023-08-25 07:32:58,308 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-08-25 07:32:58,556 INFO L124 PetriNetUnfolderBase]: 962/1805 cut-off events.
[2023-08-25 07:32:58,556 INFO L125 PetriNetUnfolderBase]: For 14/14 co-relation queries the response was YES.
[2023-08-25 07:32:58,558 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3427 conditions, 1805 events. 962/1805 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 68. Compared 9335 event pairs, 326 based on Foata normal form. 0/1553 useless extension candidates. Maximal degree in co-relation 3424. Up to 870 conditions per place.
[2023-08-25 07:32:58,566 INFO L140 encePairwiseOnDemand]: 350/364 looper letters, 62 selfloop transitions, 10 changer transitions 0/80 dead transitions.
[2023-08-25 07:32:58,566 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 80 transitions, 310 flow
[2023-08-25 07:32:58,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-08-25 07:32:58,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2023-08-25 07:32:58,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 598 transitions.
[2023-08-25 07:32:58,568 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5476190476190477
[2023-08-25 07:32:58,568 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 598 transitions.
[2023-08-25 07:32:58,568 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 598 transitions.
[2023-08-25 07:32:58,569 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-08-25 07:32:58,569 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 598 transitions.
[2023-08-25 07:32:58,570 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 199.33333333333334) internal successors, (598), 3 states have internal predecessors, (598), 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)
[2023-08-25 07:32:58,573 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 364.0) internal successors, (1456), 4 states have internal predecessors, (1456), 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)
[2023-08-25 07:32:58,574 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 364.0) internal successors, (1456), 4 states have internal predecessors, (1456), 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)
[2023-08-25 07:32:58,574 INFO L175 Difference]: Start difference. First operand has 48 places, 48 transitions, 100 flow. Second operand 3 states and 598 transitions.
[2023-08-25 07:32:58,574 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 80 transitions, 310 flow
[2023-08-25 07:32:58,575 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 80 transitions, 310 flow, removed 0 selfloop flow, removed 0 redundant places.
[2023-08-25 07:32:58,576 INFO L231 Difference]: Finished difference. Result has 52 places, 58 transitions, 188 flow
[2023-08-25 07:32:58,576 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=364, PETRI_DIFFERENCE_MINUEND_FLOW=100, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=188, PETRI_PLACES=52, PETRI_TRANSITIONS=58}
[2023-08-25 07:32:58,577 INFO L281 CegarLoopForPetriNet]: 61 programPoint places, -9 predicate places.
[2023-08-25 07:32:58,577 INFO L495 AbstractCegarLoop]: Abstraction has has 52 places, 58 transitions, 188 flow
[2023-08-25 07:32:58,578 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 176.0) internal successors, (528), 3 states have internal predecessors, (528), 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)
[2023-08-25 07:32:58,578 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-08-25 07:32:58,578 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-08-25 07:32:58,578 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2023-08-25 07:32:58,578 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread2Err5ASSERT_VIOLATIONDATA_RACE (and 27 more)] ===
[2023-08-25 07:32:58,579 INFO L145 PredicateUnifier]: Initialized classic predicate unifier
[2023-08-25 07:32:58,579 INFO L85 PathProgramCache]: Analyzing trace with hash -393775609, now seen corresponding path program 1 times
[2023-08-25 07:32:58,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-08-25 07:32:58,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [193450580]
[2023-08-25 07:32:58,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-08-25 07:32:58,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-08-25 07:32:58,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-08-25 07:32:58,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-08-25 07:32:58,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-08-25 07:32:58,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [193450580]
[2023-08-25 07:32:58,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [193450580] provided 1 perfect and 0 imperfect interpolant sequences
[2023-08-25 07:32:58,664 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-08-25 07:32:58,665 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-08-25 07:32:58,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872337886]
[2023-08-25 07:32:58,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-08-25 07:32:58,665 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-08-25 07:32:58,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-08-25 07:32:58,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-08-25 07:32:58,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-08-25 07:32:58,667 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 185 out of 364
[2023-08-25 07:32:58,667 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 58 transitions, 188 flow. Second operand has 3 states, 3 states have (on average 187.33333333333334) internal successors, (562), 3 states have internal predecessors, (562), 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)
[2023-08-25 07:32:58,668 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-08-25 07:32:58,668 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 185 of 364
[2023-08-25 07:32:58,668 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-08-25 07:32:58,884 INFO L124 PetriNetUnfolderBase]: 888/1905 cut-off events.
[2023-08-25 07:32:58,885 INFO L125 PetriNetUnfolderBase]: For 174/178 co-relation queries the response was YES.
[2023-08-25 07:32:58,889 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3908 conditions, 1905 events. 888/1905 cut-off events. For 174/178 co-relation queries the response was YES. Maximal size of possible extension queue 82. Compared 10785 event pairs, 322 based on Foata normal form. 0/1672 useless extension candidates. Maximal degree in co-relation 3903. Up to 971 conditions per place.
[2023-08-25 07:32:58,897 INFO L140 encePairwiseOnDemand]: 359/364 looper letters, 48 selfloop transitions, 3 changer transitions 0/78 dead transitions.
[2023-08-25 07:32:58,897 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 78 transitions, 333 flow
[2023-08-25 07:32:58,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-08-25 07:32:58,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2023-08-25 07:32:58,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 607 transitions.
[2023-08-25 07:32:58,899 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5558608058608059
[2023-08-25 07:32:58,899 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 607 transitions.
[2023-08-25 07:32:58,899 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 607 transitions.
[2023-08-25 07:32:58,900 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-08-25 07:32:58,900 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 607 transitions.
[2023-08-25 07:32:58,901 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 202.33333333333334) internal successors, (607), 3 states have internal predecessors, (607), 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)
[2023-08-25 07:32:58,903 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 364.0) internal successors, (1456), 4 states have internal predecessors, (1456), 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)
[2023-08-25 07:32:58,904 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 364.0) internal successors, (1456), 4 states have internal predecessors, (1456), 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)
[2023-08-25 07:32:58,904 INFO L175 Difference]: Start difference. First operand has 52 places, 58 transitions, 188 flow. Second operand 3 states and 607 transitions.
[2023-08-25 07:32:58,904 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 78 transitions, 333 flow
[2023-08-25 07:32:58,910 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 78 transitions, 313 flow, removed 0 selfloop flow, removed 2 redundant places.
[2023-08-25 07:32:58,912 INFO L231 Difference]: Finished difference. Result has 54 places, 60 transitions, 192 flow
[2023-08-25 07:32:58,913 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=364, PETRI_DIFFERENCE_MINUEND_FLOW=168, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=58, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=192, PETRI_PLACES=54, PETRI_TRANSITIONS=60}
[2023-08-25 07:32:58,914 INFO L281 CegarLoopForPetriNet]: 61 programPoint places, -7 predicate places.
[2023-08-25 07:32:58,917 INFO L495 AbstractCegarLoop]: Abstraction has has 54 places, 60 transitions, 192 flow
[2023-08-25 07:32:58,917 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 187.33333333333334) internal successors, (562), 3 states have internal predecessors, (562), 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)
[2023-08-25 07:32:58,918 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-08-25 07:32:58,918 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-08-25 07:32:58,918 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2023-08-25 07:32:58,918 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread2Err5ASSERT_VIOLATIONDATA_RACE (and 27 more)] ===
[2023-08-25 07:32:58,918 INFO L145 PredicateUnifier]: Initialized classic predicate unifier
[2023-08-25 07:32:58,918 INFO L85 PathProgramCache]: Analyzing trace with hash 1026766716, now seen corresponding path program 1 times
[2023-08-25 07:32:58,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-08-25 07:32:58,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1941299356]
[2023-08-25 07:32:58,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-08-25 07:32:58,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-08-25 07:32:58,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-08-25 07:32:59,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-08-25 07:32:59,044 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-08-25 07:32:59,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1941299356]
[2023-08-25 07:32:59,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1941299356] provided 1 perfect and 0 imperfect interpolant sequences
[2023-08-25 07:32:59,044 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-08-25 07:32:59,044 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-08-25 07:32:59,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723665025]
[2023-08-25 07:32:59,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-08-25 07:32:59,045 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-08-25 07:32:59,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-08-25 07:32:59,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-08-25 07:32:59,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-08-25 07:32:59,046 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 189 out of 364
[2023-08-25 07:32:59,047 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 60 transitions, 192 flow. Second operand has 3 states, 3 states have (on average 193.33333333333334) internal successors, (580), 3 states have internal predecessors, (580), 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)
[2023-08-25 07:32:59,047 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-08-25 07:32:59,047 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 189 of 364
[2023-08-25 07:32:59,047 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-08-25 07:32:59,238 INFO L124 PetriNetUnfolderBase]: 752/1867 cut-off events.
[2023-08-25 07:32:59,239 INFO L125 PetriNetUnfolderBase]: For 192/192 co-relation queries the response was YES.
[2023-08-25 07:32:59,243 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3714 conditions, 1867 events. 752/1867 cut-off events. For 192/192 co-relation queries the response was YES. Maximal size of possible extension queue 89. Compared 12253 event pairs, 303 based on Foata normal form. 0/1711 useless extension candidates. Maximal degree in co-relation 3708. Up to 783 conditions per place.
[2023-08-25 07:32:59,251 INFO L140 encePairwiseOnDemand]: 361/364 looper letters, 42 selfloop transitions, 2 changer transitions 0/77 dead transitions.
[2023-08-25 07:32:59,251 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 77 transitions, 325 flow
[2023-08-25 07:32:59,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-08-25 07:32:59,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2023-08-25 07:32:59,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 609 transitions.
[2023-08-25 07:32:59,253 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5576923076923077
[2023-08-25 07:32:59,253 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 609 transitions.
[2023-08-25 07:32:59,254 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 609 transitions.
[2023-08-25 07:32:59,254 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-08-25 07:32:59,254 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 609 transitions.
[2023-08-25 07:32:59,255 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 203.0) internal successors, (609), 3 states have internal predecessors, (609), 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)
[2023-08-25 07:32:59,257 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 364.0) internal successors, (1456), 4 states have internal predecessors, (1456), 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)
[2023-08-25 07:32:59,258 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 364.0) internal successors, (1456), 4 states have internal predecessors, (1456), 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)
[2023-08-25 07:32:59,258 INFO L175 Difference]: Start difference. First operand has 54 places, 60 transitions, 192 flow. Second operand 3 states and 609 transitions.
[2023-08-25 07:32:59,258 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 77 transitions, 325 flow
[2023-08-25 07:32:59,260 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 77 transitions, 317 flow, removed 0 selfloop flow, removed 2 redundant places.
[2023-08-25 07:32:59,261 INFO L231 Difference]: Finished difference. Result has 55 places, 61 transitions, 198 flow
[2023-08-25 07:32:59,262 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=364, PETRI_DIFFERENCE_MINUEND_FLOW=186, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=60, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=58, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=198, PETRI_PLACES=55, PETRI_TRANSITIONS=61}
[2023-08-25 07:32:59,262 INFO L281 CegarLoopForPetriNet]: 61 programPoint places, -6 predicate places.
[2023-08-25 07:32:59,262 INFO L495 AbstractCegarLoop]: Abstraction has has 55 places, 61 transitions, 198 flow
[2023-08-25 07:32:59,263 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 193.33333333333334) internal successors, (580), 3 states have internal predecessors, (580), 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)
[2023-08-25 07:32:59,263 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-08-25 07:32:59,263 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-08-25 07:32:59,263 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2023-08-25 07:32:59,263 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread2Err5ASSERT_VIOLATIONDATA_RACE (and 27 more)] ===
[2023-08-25 07:32:59,264 INFO L145 PredicateUnifier]: Initialized classic predicate unifier
[2023-08-25 07:32:59,264 INFO L85 PathProgramCache]: Analyzing trace with hash -91251144, now seen corresponding path program 1 times
[2023-08-25 07:32:59,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-08-25 07:32:59,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1551779947]
[2023-08-25 07:32:59,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-08-25 07:32:59,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-08-25 07:32:59,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-08-25 07:32:59,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-08-25 07:32:59,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-08-25 07:32:59,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1551779947]
[2023-08-25 07:32:59,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1551779947] provided 1 perfect and 0 imperfect interpolant sequences
[2023-08-25 07:32:59,308 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-08-25 07:32:59,309 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-08-25 07:32:59,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1995088593]
[2023-08-25 07:32:59,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-08-25 07:32:59,309 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-08-25 07:32:59,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-08-25 07:32:59,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-08-25 07:32:59,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-08-25 07:32:59,311 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 364
[2023-08-25 07:32:59,312 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 61 transitions, 198 flow. Second operand has 3 states, 3 states have (on average 175.66666666666666) internal successors, (527), 3 states have internal predecessors, (527), 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)
[2023-08-25 07:32:59,314 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-08-25 07:32:59,314 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 364
[2023-08-25 07:32:59,314 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-08-25 07:32:59,606 INFO L124 PetriNetUnfolderBase]: 1683/3125 cut-off events.
[2023-08-25 07:32:59,607 INFO L125 PetriNetUnfolderBase]: For 570/570 co-relation queries the response was YES.
[2023-08-25 07:32:59,612 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7445 conditions, 3125 events. 1683/3125 cut-off events. For 570/570 co-relation queries the response was YES. Maximal size of possible extension queue 112. Compared 17460 event pairs, 901 based on Foata normal form. 0/2850 useless extension candidates. Maximal degree in co-relation 7438. Up to 2265 conditions per place.
[2023-08-25 07:32:59,626 INFO L140 encePairwiseOnDemand]: 357/364 looper letters, 68 selfloop transitions, 11 changer transitions 0/88 dead transitions.
[2023-08-25 07:32:59,626 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 88 transitions, 442 flow
[2023-08-25 07:32:59,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-08-25 07:32:59,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2023-08-25 07:32:59,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 578 transitions.
[2023-08-25 07:32:59,628 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5293040293040293
[2023-08-25 07:32:59,629 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 578 transitions.
[2023-08-25 07:32:59,629 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 578 transitions.
[2023-08-25 07:32:59,629 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-08-25 07:32:59,629 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 578 transitions.
[2023-08-25 07:32:59,630 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 192.66666666666666) internal successors, (578), 3 states have internal predecessors, (578), 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)
[2023-08-25 07:32:59,632 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 364.0) internal successors, (1456), 4 states have internal predecessors, (1456), 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)
[2023-08-25 07:32:59,633 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 364.0) internal successors, (1456), 4 states have internal predecessors, (1456), 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)
[2023-08-25 07:32:59,633 INFO L175 Difference]: Start difference. First operand has 55 places, 61 transitions, 198 flow. Second operand 3 states and 578 transitions.
[2023-08-25 07:32:59,633 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 88 transitions, 442 flow
[2023-08-25 07:32:59,635 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 88 transitions, 439 flow, removed 0 selfloop flow, removed 1 redundant places.
[2023-08-25 07:32:59,636 INFO L231 Difference]: Finished difference. Result has 58 places, 70 transitions, 294 flow
[2023-08-25 07:32:59,636 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=364, PETRI_DIFFERENCE_MINUEND_FLOW=196, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=61, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=294, PETRI_PLACES=58, PETRI_TRANSITIONS=70}
[2023-08-25 07:32:59,637 INFO L281 CegarLoopForPetriNet]: 61 programPoint places, -3 predicate places.
[2023-08-25 07:32:59,637 INFO L495 AbstractCegarLoop]: Abstraction has has 58 places, 70 transitions, 294 flow
[2023-08-25 07:32:59,638 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 175.66666666666666) internal successors, (527), 3 states have internal predecessors, (527), 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)
[2023-08-25 07:32:59,638 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-08-25 07:32:59,638 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-08-25 07:32:59,638 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2023-08-25 07:32:59,638 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread2Err5ASSERT_VIOLATIONDATA_RACE (and 27 more)] ===
[2023-08-25 07:32:59,639 INFO L145 PredicateUnifier]: Initialized classic predicate unifier
[2023-08-25 07:32:59,639 INFO L85 PathProgramCache]: Analyzing trace with hash -477415254, now seen corresponding path program 1 times
[2023-08-25 07:32:59,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-08-25 07:32:59,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712809535]
[2023-08-25 07:32:59,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-08-25 07:32:59,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-08-25 07:32:59,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-08-25 07:32:59,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-08-25 07:32:59,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-08-25 07:32:59,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [712809535]
[2023-08-25 07:32:59,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [712809535] provided 1 perfect and 0 imperfect interpolant sequences
[2023-08-25 07:32:59,710 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-08-25 07:32:59,710 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-08-25 07:32:59,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916540615]
[2023-08-25 07:32:59,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-08-25 07:32:59,710 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-08-25 07:32:59,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-08-25 07:32:59,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-08-25 07:32:59,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-08-25 07:32:59,712 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 177 out of 364
[2023-08-25 07:32:59,712 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 70 transitions, 294 flow. Second operand has 3 states, 3 states have (on average 180.0) internal successors, (540), 3 states have internal predecessors, (540), 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)
[2023-08-25 07:32:59,712 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-08-25 07:32:59,713 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 177 of 364
[2023-08-25 07:32:59,713 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-08-25 07:32:59,813 INFO L124 PetriNetUnfolderBase]: 236/693 cut-off events.
[2023-08-25 07:32:59,813 INFO L125 PetriNetUnfolderBase]: For 190/190 co-relation queries the response was YES.
[2023-08-25 07:32:59,815 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1578 conditions, 693 events. 236/693 cut-off events. For 190/190 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 3639 event pairs, 58 based on Foata normal form. 46/725 useless extension candidates. Maximal degree in co-relation 1570. Up to 268 conditions per place.
[2023-08-25 07:32:59,817 INFO L140 encePairwiseOnDemand]: 356/364 looper letters, 29 selfloop transitions, 9 changer transitions 0/57 dead transitions.
[2023-08-25 07:32:59,817 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 55 places, 57 transitions, 268 flow
[2023-08-25 07:32:59,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-08-25 07:32:59,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2023-08-25 07:32:59,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 571 transitions.
[2023-08-25 07:32:59,819 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5228937728937729
[2023-08-25 07:32:59,819 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 571 transitions.
[2023-08-25 07:32:59,819 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 571 transitions.
[2023-08-25 07:32:59,820 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-08-25 07:32:59,820 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 571 transitions.
[2023-08-25 07:32:59,821 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 190.33333333333334) internal successors, (571), 3 states have internal predecessors, (571), 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)
[2023-08-25 07:32:59,823 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 364.0) internal successors, (1456), 4 states have internal predecessors, (1456), 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)
[2023-08-25 07:32:59,823 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 364.0) internal successors, (1456), 4 states have internal predecessors, (1456), 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)
[2023-08-25 07:32:59,824 INFO L175 Difference]: Start difference. First operand has 58 places, 70 transitions, 294 flow. Second operand 3 states and 571 transitions.
[2023-08-25 07:32:59,824 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 55 places, 57 transitions, 268 flow
[2023-08-25 07:32:59,826 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 57 transitions, 234 flow, removed 11 selfloop flow, removed 4 redundant places.
[2023-08-25 07:32:59,827 INFO L231 Difference]: Finished difference. Result has 51 places, 48 transitions, 152 flow
[2023-08-25 07:32:59,827 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=364, PETRI_DIFFERENCE_MINUEND_FLOW=134, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=152, PETRI_PLACES=51, PETRI_TRANSITIONS=48}
[2023-08-25 07:32:59,827 INFO L281 CegarLoopForPetriNet]: 61 programPoint places, -10 predicate places.
[2023-08-25 07:32:59,828 INFO L495 AbstractCegarLoop]: Abstraction has has 51 places, 48 transitions, 152 flow
[2023-08-25 07:32:59,828 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 180.0) internal successors, (540), 3 states have internal predecessors, (540), 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)
[2023-08-25 07:32:59,828 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-08-25 07:32:59,828 INFO L208 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]
[2023-08-25 07:32:59,828 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2023-08-25 07:32:59,829 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread2Err5ASSERT_VIOLATIONDATA_RACE (and 27 more)] ===
[2023-08-25 07:32:59,829 INFO L145 PredicateUnifier]: Initialized classic predicate unifier
[2023-08-25 07:32:59,829 INFO L85 PathProgramCache]: Analyzing trace with hash 1608743899, now seen corresponding path program 1 times
[2023-08-25 07:32:59,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-08-25 07:32:59,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033107226]
[2023-08-25 07:32:59,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-08-25 07:32:59,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-08-25 07:32:59,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-08-25 07:32:59,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-08-25 07:32:59,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-08-25 07:32:59,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2033107226]
[2023-08-25 07:32:59,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2033107226] provided 1 perfect and 0 imperfect interpolant sequences
[2023-08-25 07:32:59,861 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-08-25 07:32:59,861 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-08-25 07:32:59,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626915342]
[2023-08-25 07:32:59,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-08-25 07:32:59,862 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-08-25 07:32:59,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-08-25 07:32:59,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-08-25 07:32:59,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-08-25 07:32:59,863 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 177 out of 364
[2023-08-25 07:32:59,864 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 48 transitions, 152 flow. Second operand has 3 states, 3 states have (on average 181.33333333333334) internal successors, (544), 3 states have internal predecessors, (544), 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)
[2023-08-25 07:32:59,864 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-08-25 07:32:59,864 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 177 of 364
[2023-08-25 07:32:59,864 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-08-25 07:32:59,942 INFO L124 PetriNetUnfolderBase]: 211/585 cut-off events.
[2023-08-25 07:32:59,942 INFO L125 PetriNetUnfolderBase]: For 116/120 co-relation queries the response was YES.
[2023-08-25 07:32:59,943 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1265 conditions, 585 events. 211/585 cut-off events. For 116/120 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 2891 event pairs, 152 based on Foata normal form. 0/567 useless extension candidates. Maximal degree in co-relation 1258. Up to 357 conditions per place.
[2023-08-25 07:32:59,945 INFO L140 encePairwiseOnDemand]: 360/364 looper letters, 28 selfloop transitions, 3 changer transitions 0/51 dead transitions.
[2023-08-25 07:32:59,946 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 51 transitions, 223 flow
[2023-08-25 07:32:59,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-08-25 07:32:59,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2023-08-25 07:32:59,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 561 transitions.
[2023-08-25 07:32:59,947 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5137362637362637
[2023-08-25 07:32:59,947 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 561 transitions.
[2023-08-25 07:32:59,948 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 561 transitions.
[2023-08-25 07:32:59,948 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-08-25 07:32:59,948 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 561 transitions.
[2023-08-25 07:32:59,949 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 187.0) internal successors, (561), 3 states have internal predecessors, (561), 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)
[2023-08-25 07:32:59,951 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 364.0) internal successors, (1456), 4 states have internal predecessors, (1456), 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)
[2023-08-25 07:32:59,952 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 364.0) internal successors, (1456), 4 states have internal predecessors, (1456), 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)
[2023-08-25 07:32:59,952 INFO L175 Difference]: Start difference. First operand has 51 places, 48 transitions, 152 flow. Second operand 3 states and 561 transitions.
[2023-08-25 07:32:59,952 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 51 transitions, 223 flow
[2023-08-25 07:32:59,953 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 51 transitions, 214 flow, removed 0 selfloop flow, removed 1 redundant places.
[2023-08-25 07:32:59,954 INFO L231 Difference]: Finished difference. Result has 51 places, 47 transitions, 147 flow
[2023-08-25 07:32:59,954 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=364, PETRI_DIFFERENCE_MINUEND_FLOW=141, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=47, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=147, PETRI_PLACES=51, PETRI_TRANSITIONS=47}
[2023-08-25 07:32:59,954 INFO L281 CegarLoopForPetriNet]: 61 programPoint places, -10 predicate places.
[2023-08-25 07:32:59,954 INFO L495 AbstractCegarLoop]: Abstraction has has 51 places, 47 transitions, 147 flow
[2023-08-25 07:32:59,955 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 181.33333333333334) internal successors, (544), 3 states have internal predecessors, (544), 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)
[2023-08-25 07:32:59,955 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-08-25 07:32:59,955 INFO L208 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]
[2023-08-25 07:32:59,955 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2023-08-25 07:32:59,955 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread2Err5ASSERT_VIOLATIONDATA_RACE (and 27 more)] ===
[2023-08-25 07:32:59,956 INFO L145 PredicateUnifier]: Initialized classic predicate unifier
[2023-08-25 07:32:59,956 INFO L85 PathProgramCache]: Analyzing trace with hash 811848566, now seen corresponding path program 1 times
[2023-08-25 07:32:59,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-08-25 07:32:59,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659472580]
[2023-08-25 07:32:59,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-08-25 07:32:59,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-08-25 07:32:59,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-08-25 07:33:00,004 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-08-25 07:33:00,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-08-25 07:33:00,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659472580]
[2023-08-25 07:33:00,005 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [659472580] provided 1 perfect and 0 imperfect interpolant sequences
[2023-08-25 07:33:00,005 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-08-25 07:33:00,005 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-08-25 07:33:00,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1593933634]
[2023-08-25 07:33:00,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-08-25 07:33:00,006 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-08-25 07:33:00,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-08-25 07:33:00,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-08-25 07:33:00,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-08-25 07:33:00,007 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 187 out of 364
[2023-08-25 07:33:00,008 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 47 transitions, 147 flow. Second operand has 3 states, 3 states have (on average 192.66666666666666) internal successors, (578), 3 states have internal predecessors, (578), 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)
[2023-08-25 07:33:00,008 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-08-25 07:33:00,008 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 187 of 364
[2023-08-25 07:33:00,008 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-08-25 07:33:00,112 INFO L124 PetriNetUnfolderBase]: 283/857 cut-off events.
[2023-08-25 07:33:00,112 INFO L125 PetriNetUnfolderBase]: For 174/178 co-relation queries the response was YES.
[2023-08-25 07:33:00,113 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1739 conditions, 857 events. 283/857 cut-off events. For 174/178 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 4286 event pairs, 112 based on Foata normal form. 26/876 useless extension candidates. Maximal degree in co-relation 1731. Up to 290 conditions per place.
[2023-08-25 07:33:00,116 INFO L140 encePairwiseOnDemand]: 361/364 looper letters, 44 selfloop transitions, 2 changer transitions 0/66 dead transitions.
[2023-08-25 07:33:00,116 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 66 transitions, 303 flow
[2023-08-25 07:33:00,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-08-25 07:33:00,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2023-08-25 07:33:00,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 604 transitions.
[2023-08-25 07:33:00,118 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5531135531135531
[2023-08-25 07:33:00,118 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 604 transitions.
[2023-08-25 07:33:00,118 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 604 transitions.
[2023-08-25 07:33:00,119 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-08-25 07:33:00,119 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 604 transitions.
[2023-08-25 07:33:00,120 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 201.33333333333334) internal successors, (604), 3 states have internal predecessors, (604), 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)
[2023-08-25 07:33:00,122 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 364.0) internal successors, (1456), 4 states have internal predecessors, (1456), 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)
[2023-08-25 07:33:00,122 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 364.0) internal successors, (1456), 4 states have internal predecessors, (1456), 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)
[2023-08-25 07:33:00,122 INFO L175 Difference]: Start difference. First operand has 51 places, 47 transitions, 147 flow. Second operand 3 states and 604 transitions.
[2023-08-25 07:33:00,122 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 66 transitions, 303 flow
[2023-08-25 07:33:00,124 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 66 transitions, 293 flow, removed 0 selfloop flow, removed 2 redundant places.
[2023-08-25 07:33:00,125 INFO L231 Difference]: Finished difference. Result has 52 places, 48 transitions, 154 flow
[2023-08-25 07:33:00,125 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=364, PETRI_DIFFERENCE_MINUEND_FLOW=141, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=47, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=45, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=154, PETRI_PLACES=52, PETRI_TRANSITIONS=48}
[2023-08-25 07:33:00,125 INFO L281 CegarLoopForPetriNet]: 61 programPoint places, -9 predicate places.
[2023-08-25 07:33:00,125 INFO L495 AbstractCegarLoop]: Abstraction has has 52 places, 48 transitions, 154 flow
[2023-08-25 07:33:00,126 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 192.66666666666666) internal successors, (578), 3 states have internal predecessors, (578), 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)
[2023-08-25 07:33:00,126 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-08-25 07:33:00,126 INFO L208 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]
[2023-08-25 07:33:00,126 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2023-08-25 07:33:00,126 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thread2Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread2Err5ASSERT_VIOLATIONDATA_RACE (and 27 more)] ===
[2023-08-25 07:33:00,127 INFO L145 PredicateUnifier]: Initialized classic predicate unifier
[2023-08-25 07:33:00,127 INFO L85 PathProgramCache]: Analyzing trace with hash -964841638, now seen corresponding path program 1 times
[2023-08-25 07:33:00,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-08-25 07:33:00,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1827137788]
[2023-08-25 07:33:00,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-08-25 07:33:00,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-08-25 07:33:00,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-08-25 07:33:00,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-08-25 07:33:00,178 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-08-25 07:33:00,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1827137788]
[2023-08-25 07:33:00,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1827137788] provided 1 perfect and 0 imperfect interpolant sequences
[2023-08-25 07:33:00,179 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-08-25 07:33:00,179 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-08-25 07:33:00,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455192131]
[2023-08-25 07:33:00,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-08-25 07:33:00,180 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-08-25 07:33:00,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-08-25 07:33:00,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-08-25 07:33:00,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-08-25 07:33:00,181 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 364
[2023-08-25 07:33:00,182 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 48 transitions, 154 flow. Second operand has 3 states, 3 states have (on average 180.0) internal successors, (540), 3 states have internal predecessors, (540), 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)
[2023-08-25 07:33:00,182 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-08-25 07:33:00,182 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 364
[2023-08-25 07:33:00,182 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-08-25 07:33:00,325 INFO L124 PetriNetUnfolderBase]: 478/1077 cut-off events.
[2023-08-25 07:33:00,325 INFO L125 PetriNetUnfolderBase]: For 320/324 co-relation queries the response was YES.
[2023-08-25 07:33:00,327 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2514 conditions, 1077 events. 478/1077 cut-off events. For 320/324 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 4728 event pairs, 372 based on Foata normal form. 0/1073 useless extension candidates. Maximal degree in co-relation 2505. Up to 886 conditions per place.
[2023-08-25 07:33:00,331 INFO L140 encePairwiseOnDemand]: 361/364 looper letters, 40 selfloop transitions, 3 changer transitions 0/51 dead transitions.
[2023-08-25 07:33:00,331 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 51 transitions, 249 flow
[2023-08-25 07:33:00,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-08-25 07:33:00,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2023-08-25 07:33:00,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 555 transitions.
[2023-08-25 07:33:00,333 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5082417582417582
[2023-08-25 07:33:00,333 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 555 transitions.
[2023-08-25 07:33:00,333 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 555 transitions.
[2023-08-25 07:33:00,334 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-08-25 07:33:00,334 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 555 transitions.
[2023-08-25 07:33:00,335 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 185.0) internal successors, (555), 3 states have internal predecessors, (555), 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)
[2023-08-25 07:33:00,337 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 364.0) internal successors, (1456), 4 states have internal predecessors, (1456), 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)
[2023-08-25 07:33:00,337 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 364.0) internal successors, (1456), 4 states have internal predecessors, (1456), 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)
[2023-08-25 07:33:00,337 INFO L175 Difference]: Start difference. First operand has 52 places, 48 transitions, 154 flow. Second operand 3 states and 555 transitions.
[2023-08-25 07:33:00,337 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 51 transitions, 249 flow
[2023-08-25 07:33:00,339 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 51 transitions, 247 flow, removed 0 selfloop flow, removed 1 redundant places.
[2023-08-25 07:33:00,340 INFO L231 Difference]: Finished difference. Result has 52 places, 47 transitions, 156 flow
[2023-08-25 07:33:00,340 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=364, PETRI_DIFFERENCE_MINUEND_FLOW=150, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=47, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=156, PETRI_PLACES=52, PETRI_TRANSITIONS=47}
[2023-08-25 07:33:00,341 INFO L281 CegarLoopForPetriNet]: 61 programPoint places, -9 predicate places.
[2023-08-25 07:33:00,341 INFO L495 AbstractCegarLoop]: Abstraction has has 52 places, 47 transitions, 156 flow
[2023-08-25 07:33:00,341 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 180.0) internal successors, (540), 3 states have internal predecessors, (540), 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)
[2023-08-25 07:33:00,341 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-08-25 07:33:00,341 INFO L208 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]
[2023-08-25 07:33:00,342 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2023-08-25 07:33:00,342 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread2Err5ASSERT_VIOLATIONDATA_RACE (and 27 more)] ===
[2023-08-25 07:33:00,342 INFO L145 PredicateUnifier]: Initialized classic predicate unifier
[2023-08-25 07:33:00,342 INFO L85 PathProgramCache]: Analyzing trace with hash 1107163605, now seen corresponding path program 1 times
[2023-08-25 07:33:00,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-08-25 07:33:00,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1747894865]
[2023-08-25 07:33:00,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-08-25 07:33:00,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-08-25 07:33:00,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-08-25 07:33:00,416 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-08-25 07:33:00,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-08-25 07:33:00,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1747894865]
[2023-08-25 07:33:00,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1747894865] provided 0 perfect and 1 imperfect interpolant sequences
[2023-08-25 07:33:00,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1203588375]
[2023-08-25 07:33:00,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-08-25 07:33:00,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-08-25 07:33:00,417 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-08-25 07:33:00,421 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-08-25 07:33:00,449 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2023-08-25 07:33:00,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-08-25 07:33:00,559 INFO L262 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 3 conjunts are in the unsatisfiable core
[2023-08-25 07:33:00,563 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-08-25 07:33:00,629 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-08-25 07:33:00,629 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2023-08-25 07:33:00,674 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-08-25 07:33:00,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1203588375] provided 0 perfect and 2 imperfect interpolant sequences
[2023-08-25 07:33:00,675 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2023-08-25 07:33:00,675 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6
[2023-08-25 07:33:00,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951469431]
[2023-08-25 07:33:00,675 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2023-08-25 07:33:00,675 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2023-08-25 07:33:00,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-08-25 07:33:00,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2023-08-25 07:33:00,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2023-08-25 07:33:00,677 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 189 out of 364
[2023-08-25 07:33:00,678 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 47 transitions, 156 flow. Second operand has 6 states, 6 states have (on average 195.83333333333334) internal successors, (1175), 6 states have internal predecessors, (1175), 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)
[2023-08-25 07:33:00,678 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-08-25 07:33:00,678 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 189 of 364
[2023-08-25 07:33:00,679 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-08-25 07:33:00,865 INFO L124 PetriNetUnfolderBase]: 449/1416 cut-off events.
[2023-08-25 07:33:00,865 INFO L125 PetriNetUnfolderBase]: For 346/354 co-relation queries the response was YES.
[2023-08-25 07:33:00,868 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2922 conditions, 1416 events. 449/1416 cut-off events. For 346/354 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 7811 event pairs, 115 based on Foata normal form. 76/1482 useless extension candidates. Maximal degree in co-relation 2913. Up to 261 conditions per place.
[2023-08-25 07:33:00,873 INFO L140 encePairwiseOnDemand]: 360/364 looper letters, 65 selfloop transitions, 5 changer transitions 0/89 dead transitions.
[2023-08-25 07:33:00,873 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 89 transitions, 436 flow
[2023-08-25 07:33:00,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2023-08-25 07:33:00,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2023-08-25 07:33:00,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1012 transitions.
[2023-08-25 07:33:00,876 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5560439560439561
[2023-08-25 07:33:00,876 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1012 transitions.
[2023-08-25 07:33:00,876 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1012 transitions.
[2023-08-25 07:33:00,877 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-08-25 07:33:00,877 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1012 transitions.
[2023-08-25 07:33:00,879 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 202.4) internal successors, (1012), 5 states have internal predecessors, (1012), 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)
[2023-08-25 07:33:00,881 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 364.0) internal successors, (2184), 6 states have internal predecessors, (2184), 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)
[2023-08-25 07:33:00,882 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 364.0) internal successors, (2184), 6 states have internal predecessors, (2184), 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)
[2023-08-25 07:33:00,882 INFO L175 Difference]: Start difference. First operand has 52 places, 47 transitions, 156 flow. Second operand 5 states and 1012 transitions.
[2023-08-25 07:33:00,882 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 89 transitions, 436 flow
[2023-08-25 07:33:00,883 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 89 transitions, 422 flow, removed 0 selfloop flow, removed 2 redundant places.
[2023-08-25 07:33:00,885 INFO L231 Difference]: Finished difference. Result has 57 places, 49 transitions, 182 flow
[2023-08-25 07:33:00,885 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=364, PETRI_DIFFERENCE_MINUEND_FLOW=150, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=47, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=182, PETRI_PLACES=57, PETRI_TRANSITIONS=49}
[2023-08-25 07:33:00,886 INFO L281 CegarLoopForPetriNet]: 61 programPoint places, -4 predicate places.
[2023-08-25 07:33:00,886 INFO L495 AbstractCegarLoop]: Abstraction has has 57 places, 49 transitions, 182 flow
[2023-08-25 07:33:00,887 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 195.83333333333334) internal successors, (1175), 6 states have internal predecessors, (1175), 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)
[2023-08-25 07:33:00,887 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-08-25 07:33:00,887 INFO L208 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-08-25 07:33:00,897 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0
[2023-08-25 07:33:01,097 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9
[2023-08-25 07:33:01,097 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread2Err5ASSERT_VIOLATIONDATA_RACE (and 27 more)] ===
[2023-08-25 07:33:01,098 INFO L145 PredicateUnifier]: Initialized classic predicate unifier
[2023-08-25 07:33:01,098 INFO L85 PathProgramCache]: Analyzing trace with hash -1633514897, now seen corresponding path program 2 times
[2023-08-25 07:33:01,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-08-25 07:33:01,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158080631]
[2023-08-25 07:33:01,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-08-25 07:33:01,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-08-25 07:33:01,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-08-25 07:33:01,222 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked.
[2023-08-25 07:33:01,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-08-25 07:33:01,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1158080631]
[2023-08-25 07:33:01,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1158080631] provided 0 perfect and 1 imperfect interpolant sequences
[2023-08-25 07:33:01,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [584829040]
[2023-08-25 07:33:01,223 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2023-08-25 07:33:01,223 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-08-25 07:33:01,223 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-08-25 07:33:01,224 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-08-25 07:33:01,227 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2023-08-25 07:33:01,337 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s)
[2023-08-25 07:33:01,337 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2023-08-25 07:33:01,339 INFO L262 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 10 conjunts are in the unsatisfiable core
[2023-08-25 07:33:01,343 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-08-25 07:33:01,460 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked.
[2023-08-25 07:33:01,460 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2023-08-25 07:33:01,735 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked.
[2023-08-25 07:33:01,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [584829040] provided 0 perfect and 2 imperfect interpolant sequences
[2023-08-25 07:33:01,735 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2023-08-25 07:33:01,735 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 12
[2023-08-25 07:33:01,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079093309]
[2023-08-25 07:33:01,736 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2023-08-25 07:33:01,738 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states
[2023-08-25 07:33:01,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-08-25 07:33:01,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants.
[2023-08-25 07:33:01,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132
[2023-08-25 07:33:01,742 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 183 out of 364
[2023-08-25 07:33:01,744 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 49 transitions, 182 flow. Second operand has 12 states, 12 states have (on average 188.75) internal successors, (2265), 12 states have internal predecessors, (2265), 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)
[2023-08-25 07:33:01,744 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-08-25 07:33:01,744 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 183 of 364
[2023-08-25 07:33:01,744 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-08-25 07:33:02,425 INFO L124 PetriNetUnfolderBase]: 976/3051 cut-off events.
[2023-08-25 07:33:02,425 INFO L125 PetriNetUnfolderBase]: For 1353/1365 co-relation queries the response was YES.
[2023-08-25 07:33:02,431 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6663 conditions, 3051 events. 976/3051 cut-off events. For 1353/1365 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 18839 event pairs, 64 based on Foata normal form. 43/3091 useless extension candidates. Maximal degree in co-relation 6652. Up to 385 conditions per place.
[2023-08-25 07:33:02,442 INFO L140 encePairwiseOnDemand]: 358/364 looper letters, 136 selfloop transitions, 13 changer transitions 1/169 dead transitions.
[2023-08-25 07:33:02,442 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 169 transitions, 1005 flow
[2023-08-25 07:33:02,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states.
[2023-08-25 07:33:02,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states.
[2023-08-25 07:33:02,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 2324 transitions.
[2023-08-25 07:33:02,448 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.532051282051282
[2023-08-25 07:33:02,448 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 2324 transitions.
[2023-08-25 07:33:02,448 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 2324 transitions.
[2023-08-25 07:33:02,449 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-08-25 07:33:02,449 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 2324 transitions.
[2023-08-25 07:33:02,453 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 193.66666666666666) internal successors, (2324), 12 states have internal predecessors, (2324), 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)
[2023-08-25 07:33:02,460 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 364.0) internal successors, (4732), 13 states have internal predecessors, (4732), 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)
[2023-08-25 07:33:02,461 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 364.0) internal successors, (4732), 13 states have internal predecessors, (4732), 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)
[2023-08-25 07:33:02,461 INFO L175 Difference]: Start difference. First operand has 57 places, 49 transitions, 182 flow. Second operand 12 states and 2324 transitions.
[2023-08-25 07:33:02,461 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 169 transitions, 1005 flow
[2023-08-25 07:33:02,464 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 169 transitions, 969 flow, removed 16 selfloop flow, removed 1 redundant places.
[2023-08-25 07:33:02,466 INFO L231 Difference]: Finished difference. Result has 67 places, 59 transitions, 243 flow
[2023-08-25 07:33:02,466 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=364, PETRI_DIFFERENCE_MINUEND_FLOW=176, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=49, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=243, PETRI_PLACES=67, PETRI_TRANSITIONS=59}
[2023-08-25 07:33:02,466 INFO L281 CegarLoopForPetriNet]: 61 programPoint places, 6 predicate places.
[2023-08-25 07:33:02,466 INFO L495 AbstractCegarLoop]: Abstraction has has 67 places, 59 transitions, 243 flow
[2023-08-25 07:33:02,467 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 188.75) internal successors, (2265), 12 states have internal predecessors, (2265), 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)
[2023-08-25 07:33:02,468 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-08-25 07:33:02,468 INFO L208 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-08-25 07:33:02,479 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0
[2023-08-25 07:33:02,674 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10
[2023-08-25 07:33:02,674 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread2Err5ASSERT_VIOLATIONDATA_RACE (and 27 more)] ===
[2023-08-25 07:33:02,675 INFO L145 PredicateUnifier]: Initialized classic predicate unifier
[2023-08-25 07:33:02,675 INFO L85 PathProgramCache]: Analyzing trace with hash -493676605, now seen corresponding path program 3 times
[2023-08-25 07:33:02,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-08-25 07:33:02,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943810438]
[2023-08-25 07:33:02,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-08-25 07:33:02,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-08-25 07:33:02,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-08-25 07:33:02,838 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked.
[2023-08-25 07:33:02,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-08-25 07:33:02,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1943810438]
[2023-08-25 07:33:02,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1943810438] provided 1 perfect and 0 imperfect interpolant sequences
[2023-08-25 07:33:02,838 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-08-25 07:33:02,838 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-08-25 07:33:02,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [998048687]
[2023-08-25 07:33:02,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-08-25 07:33:02,839 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-08-25 07:33:02,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-08-25 07:33:02,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-08-25 07:33:02,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2023-08-25 07:33:02,840 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 184 out of 364
[2023-08-25 07:33:02,841 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 59 transitions, 243 flow. Second operand has 5 states, 5 states have (on average 190.8) internal successors, (954), 5 states have internal predecessors, (954), 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)
[2023-08-25 07:33:02,841 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-08-25 07:33:02,841 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 184 of 364
[2023-08-25 07:33:02,841 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-08-25 07:33:03,221 INFO L124 PetriNetUnfolderBase]: 1131/3105 cut-off events.
[2023-08-25 07:33:03,221 INFO L125 PetriNetUnfolderBase]: For 1783/1783 co-relation queries the response was YES.
[2023-08-25 07:33:03,228 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7443 conditions, 3105 events. 1131/3105 cut-off events. For 1783/1783 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 18674 event pairs, 363 based on Foata normal form. 44/3039 useless extension candidates. Maximal degree in co-relation 7431. Up to 1137 conditions per place.
[2023-08-25 07:33:03,241 INFO L140 encePairwiseOnDemand]: 356/364 looper letters, 76 selfloop transitions, 7 changer transitions 7/103 dead transitions.
[2023-08-25 07:33:03,241 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 103 transitions, 595 flow
[2023-08-25 07:33:03,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2023-08-25 07:33:03,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2023-08-25 07:33:03,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1174 transitions.
[2023-08-25 07:33:03,246 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5375457875457875
[2023-08-25 07:33:03,246 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1174 transitions.
[2023-08-25 07:33:03,246 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1174 transitions.
[2023-08-25 07:33:03,246 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-08-25 07:33:03,246 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1174 transitions.
[2023-08-25 07:33:03,249 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 195.66666666666666) internal successors, (1174), 6 states have internal predecessors, (1174), 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)
[2023-08-25 07:33:03,254 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 364.0) internal successors, (2548), 7 states have internal predecessors, (2548), 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)
[2023-08-25 07:33:03,255 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 364.0) internal successors, (2548), 7 states have internal predecessors, (2548), 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)
[2023-08-25 07:33:03,255 INFO L175 Difference]: Start difference. First operand has 67 places, 59 transitions, 243 flow. Second operand 6 states and 1174 transitions.
[2023-08-25 07:33:03,255 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 103 transitions, 595 flow
[2023-08-25 07:33:03,263 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 103 transitions, 560 flow, removed 10 selfloop flow, removed 3 redundant places.
[2023-08-25 07:33:03,264 INFO L231 Difference]: Finished difference. Result has 73 places, 62 transitions, 265 flow
[2023-08-25 07:33:03,264 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=364, PETRI_DIFFERENCE_MINUEND_FLOW=223, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=52, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=265, PETRI_PLACES=73, PETRI_TRANSITIONS=62}
[2023-08-25 07:33:03,264 INFO L281 CegarLoopForPetriNet]: 61 programPoint places, 12 predicate places.
[2023-08-25 07:33:03,264 INFO L495 AbstractCegarLoop]: Abstraction has has 73 places, 62 transitions, 265 flow
[2023-08-25 07:33:03,265 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 190.8) internal successors, (954), 5 states have internal predecessors, (954), 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)
[2023-08-25 07:33:03,265 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-08-25 07:33:03,265 INFO L208 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-08-25 07:33:03,265 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2023-08-25 07:33:03,265 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread2Err5ASSERT_VIOLATIONDATA_RACE (and 27 more)] ===
[2023-08-25 07:33:03,266 INFO L145 PredicateUnifier]: Initialized classic predicate unifier
[2023-08-25 07:33:03,266 INFO L85 PathProgramCache]: Analyzing trace with hash 1501413387, now seen corresponding path program 4 times
[2023-08-25 07:33:03,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-08-25 07:33:03,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538256370]
[2023-08-25 07:33:03,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-08-25 07:33:03,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-08-25 07:33:03,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-08-25 07:33:03,442 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked.
[2023-08-25 07:33:03,442 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-08-25 07:33:03,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [538256370]
[2023-08-25 07:33:03,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [538256370] provided 1 perfect and 0 imperfect interpolant sequences
[2023-08-25 07:33:03,443 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-08-25 07:33:03,443 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2023-08-25 07:33:03,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130379997]
[2023-08-25 07:33:03,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-08-25 07:33:03,443 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2023-08-25 07:33:03,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-08-25 07:33:03,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2023-08-25 07:33:03,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2023-08-25 07:33:03,445 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 183 out of 364
[2023-08-25 07:33:03,446 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 62 transitions, 265 flow. Second operand has 6 states, 6 states have (on average 189.5) internal successors, (1137), 6 states have internal predecessors, (1137), 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)
[2023-08-25 07:33:03,446 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-08-25 07:33:03,446 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 183 of 364
[2023-08-25 07:33:03,446 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-08-25 07:33:03,832 INFO L124 PetriNetUnfolderBase]: 1003/2850 cut-off events.
[2023-08-25 07:33:03,833 INFO L125 PetriNetUnfolderBase]: For 2066/2066 co-relation queries the response was YES.
[2023-08-25 07:33:03,840 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7113 conditions, 2850 events. 1003/2850 cut-off events. For 2066/2066 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 16788 event pairs, 293 based on Foata normal form. 32/2840 useless extension candidates. Maximal degree in co-relation 7098. Up to 921 conditions per place.
[2023-08-25 07:33:03,849 INFO L140 encePairwiseOnDemand]: 353/364 looper letters, 75 selfloop transitions, 13 changer transitions 0/101 dead transitions.
[2023-08-25 07:33:03,849 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 80 places, 101 transitions, 582 flow
[2023-08-25 07:33:03,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2023-08-25 07:33:03,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states.
[2023-08-25 07:33:03,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1530 transitions.
[2023-08-25 07:33:03,853 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5254120879120879
[2023-08-25 07:33:03,853 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1530 transitions.
[2023-08-25 07:33:03,853 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1530 transitions.
[2023-08-25 07:33:03,854 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-08-25 07:33:03,854 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1530 transitions.
[2023-08-25 07:33:03,857 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 191.25) internal successors, (1530), 8 states have internal predecessors, (1530), 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)
[2023-08-25 07:33:03,873 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 364.0) internal successors, (3276), 9 states have internal predecessors, (3276), 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)
[2023-08-25 07:33:03,874 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 364.0) internal successors, (3276), 9 states have internal predecessors, (3276), 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)
[2023-08-25 07:33:03,874 INFO L175 Difference]: Start difference. First operand has 73 places, 62 transitions, 265 flow. Second operand 8 states and 1530 transitions.
[2023-08-25 07:33:03,875 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 80 places, 101 transitions, 582 flow
[2023-08-25 07:33:03,878 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 101 transitions, 582 flow, removed 0 selfloop flow, removed 0 redundant places.
[2023-08-25 07:33:03,880 INFO L231 Difference]: Finished difference. Result has 82 places, 64 transitions, 322 flow
[2023-08-25 07:33:03,880 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=364, PETRI_DIFFERENCE_MINUEND_FLOW=265, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=62, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=322, PETRI_PLACES=82, PETRI_TRANSITIONS=64}
[2023-08-25 07:33:03,881 INFO L281 CegarLoopForPetriNet]: 61 programPoint places, 21 predicate places.
[2023-08-25 07:33:03,881 INFO L495 AbstractCegarLoop]: Abstraction has has 82 places, 64 transitions, 322 flow
[2023-08-25 07:33:03,881 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 189.5) internal successors, (1137), 6 states have internal predecessors, (1137), 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)
[2023-08-25 07:33:03,881 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-08-25 07:33:03,882 INFO L208 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-08-25 07:33:03,882 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12
[2023-08-25 07:33:03,882 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread2Err5ASSERT_VIOLATIONDATA_RACE (and 27 more)] ===
[2023-08-25 07:33:03,882 INFO L145 PredicateUnifier]: Initialized classic predicate unifier
[2023-08-25 07:33:03,882 INFO L85 PathProgramCache]: Analyzing trace with hash -2085774691, now seen corresponding path program 5 times
[2023-08-25 07:33:03,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-08-25 07:33:03,882 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964617718]
[2023-08-25 07:33:03,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-08-25 07:33:03,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-08-25 07:33:03,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-08-25 07:33:04,124 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 41 proven. 8 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked.
[2023-08-25 07:33:04,124 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-08-25 07:33:04,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [964617718]
[2023-08-25 07:33:04,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [964617718] provided 0 perfect and 1 imperfect interpolant sequences
[2023-08-25 07:33:04,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [356809317]
[2023-08-25 07:33:04,125 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1
[2023-08-25 07:33:04,125 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-08-25 07:33:04,125 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-08-25 07:33:04,126 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-08-25 07:33:04,129 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2023-08-25 07:33:04,292 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s)
[2023-08-25 07:33:04,292 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2023-08-25 07:33:04,294 INFO L262 TraceCheckSpWp]: Trace formula consists of 444 conjuncts, 19 conjunts are in the unsatisfiable core
[2023-08-25 07:33:04,296 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-08-25 07:33:04,478 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 45 proven. 8 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked.
[2023-08-25 07:33:04,478 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2023-08-25 07:33:04,604 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 45 proven. 8 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked.
[2023-08-25 07:33:04,604 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [356809317] provided 0 perfect and 2 imperfect interpolant sequences
[2023-08-25 07:33:04,604 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2023-08-25 07:33:04,604 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 6] total 6
[2023-08-25 07:33:04,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1282615180]
[2023-08-25 07:33:04,605 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2023-08-25 07:33:04,605 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2023-08-25 07:33:04,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-08-25 07:33:04,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2023-08-25 07:33:04,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42
[2023-08-25 07:33:04,607 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 183 out of 364
[2023-08-25 07:33:04,608 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 82 places, 64 transitions, 322 flow. Second operand has 7 states, 7 states have (on average 189.57142857142858) internal successors, (1327), 7 states have internal predecessors, (1327), 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)
[2023-08-25 07:33:04,608 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-08-25 07:33:04,608 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 183 of 364
[2023-08-25 07:33:04,608 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-08-25 07:33:05,003 INFO L124 PetriNetUnfolderBase]: 652/1853 cut-off events.
[2023-08-25 07:33:05,003 INFO L125 PetriNetUnfolderBase]: For 2356/2356 co-relation queries the response was YES.
[2023-08-25 07:33:05,008 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5085 conditions, 1853 events. 652/1853 cut-off events. For 2356/2356 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 8267 event pairs, 192 based on Foata normal form. 34/1865 useless extension candidates. Maximal degree in co-relation 5067. Up to 609 conditions per place.
[2023-08-25 07:33:05,012 INFO L140 encePairwiseOnDemand]: 355/364 looper letters, 75 selfloop transitions, 11 changer transitions 0/99 dead transitions.
[2023-08-25 07:33:05,012 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 89 places, 99 transitions, 603 flow
[2023-08-25 07:33:05,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2023-08-25 07:33:05,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states.
[2023-08-25 07:33:05,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1528 transitions.
[2023-08-25 07:33:05,016 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5247252747252747
[2023-08-25 07:33:05,016 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1528 transitions.
[2023-08-25 07:33:05,016 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1528 transitions.
[2023-08-25 07:33:05,017 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-08-25 07:33:05,017 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1528 transitions.
[2023-08-25 07:33:05,020 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 191.0) internal successors, (1528), 8 states have internal predecessors, (1528), 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)
[2023-08-25 07:33:05,024 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 364.0) internal successors, (3276), 9 states have internal predecessors, (3276), 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)
[2023-08-25 07:33:05,024 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 364.0) internal successors, (3276), 9 states have internal predecessors, (3276), 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)
[2023-08-25 07:33:05,024 INFO L175 Difference]: Start difference. First operand has 82 places, 64 transitions, 322 flow. Second operand 8 states and 1528 transitions.
[2023-08-25 07:33:05,024 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 89 places, 99 transitions, 603 flow
[2023-08-25 07:33:05,029 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 99 transitions, 581 flow, removed 0 selfloop flow, removed 7 redundant places.
[2023-08-25 07:33:05,030 INFO L231 Difference]: Finished difference. Result has 82 places, 62 transitions, 302 flow
[2023-08-25 07:33:05,030 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=364, PETRI_DIFFERENCE_MINUEND_FLOW=280, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=62, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=51, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=302, PETRI_PLACES=82, PETRI_TRANSITIONS=62}
[2023-08-25 07:33:05,031 INFO L281 CegarLoopForPetriNet]: 61 programPoint places, 21 predicate places.
[2023-08-25 07:33:05,031 INFO L495 AbstractCegarLoop]: Abstraction has has 82 places, 62 transitions, 302 flow
[2023-08-25 07:33:05,031 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 189.57142857142858) internal successors, (1327), 7 states have internal predecessors, (1327), 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)
[2023-08-25 07:33:05,031 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-08-25 07:33:05,032 INFO L208 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-08-25 07:33:05,038 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0
[2023-08-25 07:33:05,238 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-08-25 07:33:05,238 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread2Err5ASSERT_VIOLATIONDATA_RACE (and 27 more)] ===
[2023-08-25 07:33:05,238 INFO L145 PredicateUnifier]: Initialized classic predicate unifier
[2023-08-25 07:33:05,238 INFO L85 PathProgramCache]: Analyzing trace with hash 1520517983, now seen corresponding path program 6 times
[2023-08-25 07:33:05,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-08-25 07:33:05,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1895401503]
[2023-08-25 07:33:05,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-08-25 07:33:05,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-08-25 07:33:05,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-08-25 07:33:05,291 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-08-25 07:33:05,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-08-25 07:33:05,367 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2023-08-25 07:33:05,367 INFO L360 BasicCegarLoop]: Counterexample is feasible
[2023-08-25 07:33:05,368 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONASSERT (30 of 31 remaining)
[2023-08-25 07:33:05,369 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONDATA_RACE (29 of 31 remaining)
[2023-08-25 07:33:05,370 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONDATA_RACE (28 of 31 remaining)
[2023-08-25 07:33:05,370 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2ASSERT_VIOLATIONDATA_RACE (27 of 31 remaining)
[2023-08-25 07:33:05,370 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err5ASSERT_VIOLATIONDATA_RACE (26 of 31 remaining)
[2023-08-25 07:33:05,370 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONDATA_RACE (25 of 31 remaining)
[2023-08-25 07:33:05,370 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONDATA_RACE (24 of 31 remaining)
[2023-08-25 07:33:05,370 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err6ASSERT_VIOLATIONDATA_RACE (23 of 31 remaining)
[2023-08-25 07:33:05,370 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2ASSERT_VIOLATIONDATA_RACE (22 of 31 remaining)
[2023-08-25 07:33:05,371 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err7ASSERT_VIOLATIONDATA_RACE (21 of 31 remaining)
[2023-08-25 07:33:05,371 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err3ASSERT_VIOLATIONDATA_RACE (20 of 31 remaining)
[2023-08-25 07:33:05,371 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err4ASSERT_VIOLATIONDATA_RACE (19 of 31 remaining)
[2023-08-25 07:33:05,371 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (18 of 31 remaining)
[2023-08-25 07:33:05,371 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (17 of 31 remaining)
[2023-08-25 07:33:05,371 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (16 of 31 remaining)
[2023-08-25 07:33:05,371 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (15 of 31 remaining)
[2023-08-25 07:33:05,371 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (14 of 31 remaining)
[2023-08-25 07:33:05,371 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (13 of 31 remaining)
[2023-08-25 07:33:05,372 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (12 of 31 remaining)
[2023-08-25 07:33:05,372 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 31 remaining)
[2023-08-25 07:33:05,372 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONDATA_RACE (10 of 31 remaining)
[2023-08-25 07:33:05,372 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONDATA_RACE (9 of 31 remaining)
[2023-08-25 07:33:05,372 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2ASSERT_VIOLATIONDATA_RACE (8 of 31 remaining)
[2023-08-25 07:33:05,372 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err5ASSERT_VIOLATIONDATA_RACE (7 of 31 remaining)
[2023-08-25 07:33:05,372 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONDATA_RACE (6 of 31 remaining)
[2023-08-25 07:33:05,372 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONDATA_RACE (5 of 31 remaining)
[2023-08-25 07:33:05,373 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err6ASSERT_VIOLATIONDATA_RACE (4 of 31 remaining)
[2023-08-25 07:33:05,373 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2ASSERT_VIOLATIONDATA_RACE (3 of 31 remaining)
[2023-08-25 07:33:05,373 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err7ASSERT_VIOLATIONDATA_RACE (2 of 31 remaining)
[2023-08-25 07:33:05,373 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err3ASSERT_VIOLATIONDATA_RACE (1 of 31 remaining)
[2023-08-25 07:33:05,373 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err4ASSERT_VIOLATIONDATA_RACE (0 of 31 remaining)
[2023-08-25 07:33:05,373 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14
[2023-08-25 07:33:05,373 INFO L445 BasicCegarLoop]: Path program histogram: [6, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-08-25 07:33:05,379 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2023-08-25 07:33:05,379 INFO L178 ceAbstractionStarter]: Computing trace abstraction results
[2023-08-25 07:33:05,474 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.08 07:33:05 BasicIcfg
[2023-08-25 07:33:05,474 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2023-08-25 07:33:05,474 INFO L158 Benchmark]: Toolchain (without parser) took 14840.61ms. Allocated memory was 371.2MB in the beginning and 583.0MB in the end (delta: 211.8MB). Free memory was 346.3MB in the beginning and 458.4MB in the end (delta: -112.1MB). Peak memory consumption was 100.2MB. Max. memory is 16.0GB.
[2023-08-25 07:33:05,475 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 371.2MB. Free memory is still 348.8MB. There was no memory consumed. Max. memory is 16.0GB.
[2023-08-25 07:33:05,475 INFO L158 Benchmark]: CACSL2BoogieTranslator took 547.20ms. Allocated memory is still 371.2MB. Free memory was 345.8MB in the beginning and 319.0MB in the end (delta: 26.8MB). Peak memory consumption was 27.3MB. Max. memory is 16.0GB.
[2023-08-25 07:33:05,475 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.87ms. Allocated memory is still 371.2MB. Free memory was 319.0MB in the beginning and 316.4MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB.
[2023-08-25 07:33:05,475 INFO L158 Benchmark]: Boogie Preprocessor took 25.52ms. Allocated memory is still 371.2MB. Free memory was 316.4MB in the beginning and 314.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB.
[2023-08-25 07:33:05,475 INFO L158 Benchmark]: RCFGBuilder took 497.20ms. Allocated memory is still 371.2MB. Free memory was 314.4MB in the beginning and 294.4MB in the end (delta: 19.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.0GB.
[2023-08-25 07:33:05,476 INFO L158 Benchmark]: TraceAbstraction took 13721.77ms. Allocated memory was 371.2MB in the beginning and 583.0MB in the end (delta: 211.8MB). Free memory was 293.4MB in the beginning and 458.4MB in the end (delta: -165.0MB). Peak memory consumption was 47.8MB. Max. memory is 16.0GB.
[2023-08-25 07:33:05,477 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.15ms. Allocated memory is still 371.2MB. Free memory is still 348.8MB. There was no memory consumed. Max. memory is 16.0GB.
* CACSL2BoogieTranslator took 547.20ms. Allocated memory is still 371.2MB. Free memory was 345.8MB in the beginning and 319.0MB in the end (delta: 26.8MB). Peak memory consumption was 27.3MB. Max. memory is 16.0GB.
* Boogie Procedure Inliner took 43.87ms. Allocated memory is still 371.2MB. Free memory was 319.0MB in the beginning and 316.4MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB.
* Boogie Preprocessor took 25.52ms. Allocated memory is still 371.2MB. Free memory was 316.4MB in the beginning and 314.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB.
* RCFGBuilder took 497.20ms. Allocated memory is still 371.2MB. Free memory was 314.4MB in the beginning and 294.4MB in the end (delta: 19.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.0GB.
* TraceAbstraction took 13721.77ms. Allocated memory was 371.2MB in the beginning and 583.0MB in the end (delta: 211.8MB). Free memory was 293.4MB in the beginning and 458.4MB in the end (delta: -165.0MB). Peak memory consumption was 47.8MB. Max. memory is 16.0GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator:
- GenericResultAtLocation [Line: 218]: Unsoundness Warning
unspecified type, defaulting to int C: short [218]
- GenericResultAtLocation [Line: 219]: Unsoundness Warning
unspecified type, defaulting to int C: short [219]
- GenericResultAtLocation [Line: 730]: Unsoundness Warning
unspecified type, defaulting to int C: unsigned short [730]
- GenericResultAtLocation [Line: 871]: Unsoundness Warning
unspecified type, defaulting to int C: unsigned long [871]
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: PetriNetLargeBlockEncoding benchmarks
Lipton Reduction Statistics: ReductionTime: 5.6s, 190 PlacesBefore, 61 PlacesAfterwards, 191 TransitionsBefore, 60 TransitionsAfterwards, 7052 CoEnabledTransitionPairs, 7 FixpointIterations, 78 TrivialSequentialCompositions, 71 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 7 ConcurrentYvCompositions, 2 ChoiceCompositions, 158 TotalNumberOfCompositions, 19909 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 9251, independent: 8829, independent conditional: 0, independent unconditional: 8829, dependent: 422, dependent conditional: 0, dependent unconditional: 422, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 3606, independent: 3551, independent conditional: 0, independent unconditional: 3551, dependent: 55, dependent conditional: 0, dependent unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 9251, independent: 5278, independent conditional: 0, independent unconditional: 5278, dependent: 367, dependent conditional: 0, dependent unconditional: 367, unknown: 3606, unknown conditional: 0, unknown unconditional: 3606] , Statistics on independence cache: Total cache size (in pairs): 390, Positive cache size: 361, Positive conditional cache size: 0, Positive unconditional cache size: 361, Negative cache size: 29, Negative conditional cache size: 0, Negative unconditional cache size: 29, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0
- CounterExampleResult [Line: 18]: assertion can be violated
assertion can be violated
We found a FailurePath:
[L870] 0 int num;
[L871] 0 unsigned long total;
[L872] 0 int flag;
[L873] 0 pthread_mutex_t m;
[L874] 0 pthread_cond_t empty, full;
[L907] 0 pthread_t t1, t2;
[L908] 0 num = 0
[L909] 0 total = 0
[L913] FCALL, FORK 0 pthread_create(&t1, 0, thread1, 0)
VAL [arg={0:0}, empty={4:0}, flag=0, full={5:0}, m={3:0}, num=0, pthread_create(&t1, 0, thread1, 0)=9, t1={7:0}, t2={6:0}, total=0]
[L876] 1 int i;
[L877] 1 i = 0
VAL [arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=0, m={3:0}, num=0, total=0]
[L914] FCALL, FORK 0 pthread_create(&t2, 0, thread2, 0)
VAL [arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=0, m={3:0}, num=0, pthread_create(&t2, 0, thread2, 0)=10, t1={7:0}, t2={6:0}, total=0]
[L878] COND TRUE 1 i < 3
[L880] 1 num > 0
VAL [arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=0, m={3:0}, num=0, total=0]
[L880] COND FALSE 1 !(num > 0)
VAL [arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=0, m={3:0}, num=0, total=0]
[L890] 2 int j;
[L891] 2 j = 0
VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=0, j=0, m={3:0}, num=0, total=0]
[L882] 1 num++
[L885] 1 i++
VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=1, j=0, m={3:0}, num=1, total=0]
[L892] COND TRUE 2 j < 3
[L894] 2 num == 0
VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=1, j=0, m={3:0}, num=1, total=0]
[L894] COND FALSE 2 !(num == 0)
[L896] EXPR 2 total + j
[L896] 2 total = total + j
[L897] 2 num--
VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=1, j=0, m={3:0}, num--=50, num=0, total=0]
[L915] EXPR 0 \read(t1)
[L915] 0 pthread_join(t1, 0)
VAL [\read(t1)=9, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=1, j=0, m={3:0}, num--=50, num=0, t1={7:0}, t2={6:0}, total=0]
[L900] 2 j++
VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=1, j=1, m={3:0}, num=0, total=0]
[L878] COND TRUE 1 i < 3
[L880] 1 num > 0
VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=1, j=1, m={3:0}, num=0, total=0]
[L880] COND FALSE 1 !(num > 0)
VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=1, j=1, m={3:0}, num=0, total=0]
[L882] 1 num++
[L885] 1 i++
VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=2, j=1, m={3:0}, num=1, total=0]
[L892] COND TRUE 2 j < 3
[L894] 2 num == 0
VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=2, j=1, m={3:0}, num=1, total=0]
[L894] COND FALSE 2 !(num == 0)
[L896] EXPR 2 total + j
[L896] 2 total = total + j
[L897] 2 num--
[L900] 2 j++
VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=2, j=2, m={3:0}, num=0, total=1]
[L878] COND TRUE 1 i < 3
[L880] 1 num > 0
VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=2, j=2, m={3:0}, num=0, total=1]
[L880] COND FALSE 1 !(num > 0)
VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=2, j=2, m={3:0}, num=0, total=1]
[L882] 1 num++
[L885] 1 i++
VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=3, j=2, m={3:0}, num=1, total=1]
[L892] COND TRUE 2 j < 3
[L894] 2 num == 0
VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=3, j=2, m={3:0}, num=1, total=1]
[L894] COND FALSE 2 !(num == 0)
[L896] EXPR 2 total + j
VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=3, j=2, m={3:0}, num=1, total=1]
[L878] COND FALSE 1 !(i < 3)
[L887] 1 return ((void *)0);
[L915] FCALL, JOIN 1 pthread_join(t1, 0)
VAL [\read(t1)=9, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=3, j=2, m={3:0}, num=1, t1={7:0}, t2={6:0}, total=1]
[L916] EXPR 0 \read(t2)
[L916] 0 pthread_join(t2, 0)
VAL [\read(t2)=10, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=3, j=2, m={3:0}, num=1, t1={7:0}, t2={6:0}, total=1]
[L896] EXPR 2 total + j
[L896] 2 total = total + j
[L897] 2 num--
[L900] 2 j++
VAL [\result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=3, j=3, m={3:0}, num=0, total=3]
[L892] COND FALSE 2 !(j < 3)
[L902] EXPR 2 total + j
[L902] 2 total = total + j
[L903] 2 flag = 1
[L904] 2 return ((void *)0);
[L916] FCALL, JOIN 2 pthread_join(t2, 0)
VAL [\read(t2)=10, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=1, full={5:0}, i=3, j=3, m={3:0}, num=0, t1={7:0}, t2={6:0}, total=6]
[L917] 0 \read(flag)
[L917] 0 \read(flag)
[L917] COND TRUE 0 \read(flag)
[L918] 0 total != ((3 * (3 + 1)) / 2)
[L918] COND FALSE 0 !(total != ((3 * (3 + 1)) / 2))
[L919] CALL 0 reach_error()
[L18] COND FALSE 0 !(0)
[L18] 0 __assert_fail ("0", "", 0, __extension__ __PRETTY_FUNCTION__)
VAL [\result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=1, full={5:0}, i=3, j=3, m={3:0}, num=0, total=6]
- UnprovableResult [Line: 880]: Unable to prove that there are no data races
Unable to prove that there are no data races
Reason: Not analyzed.
- UnprovableResult [Line: 882]: Unable to prove that there are no data races
Unable to prove that there are no data races
Reason: Not analyzed.
- UnprovableResult [Line: 882]: Unable to prove that there are no data races
Unable to prove that there are no data races
Reason: Not analyzed.
- UnprovableResult [Line: 902]: Unable to prove that there are no data races
Unable to prove that there are no data races
Reason: Not analyzed.
- UnprovableResult [Line: 894]: Unable to prove that there are no data races
Unable to prove that there are no data races
Reason: Not analyzed.
- UnprovableResult [Line: 896]: Unable to prove that there are no data races
Unable to prove that there are no data races
Reason: Not analyzed.
- UnprovableResult [Line: 902]: Unable to prove that there are no data races
Unable to prove that there are no data races
Reason: Not analyzed.
- UnprovableResult [Line: 896]: Unable to prove that there are no data races
Unable to prove that there are no data races
Reason: Not analyzed.
- UnprovableResult [Line: 903]: Unable to prove that there are no data races
Unable to prove that there are no data races
Reason: Not analyzed.
- UnprovableResult [Line: 897]: Unable to prove that there are no data races
Unable to prove that there are no data races
Reason: Not analyzed.
- UnprovableResult [Line: 897]: Unable to prove that there are no data races
Unable to prove that there are no data races
Reason: Not analyzed.
- UnprovableResult [Line: 908]: Unable to prove that there are no data races
Unable to prove that there are no data races
Reason: Not analyzed.
- UnprovableResult [Line: 909]: Unable to prove that there are no data races
Unable to prove that there are no data races
Reason: Not analyzed.
- UnprovableResult [Line: 915]: Unable to prove that there are no data races
Unable to prove that there are no data races
Reason: Not analyzed.
- UnprovableResult [Line: 916]: Unable to prove that there are no data races
Unable to prove that there are no data races
Reason: Not analyzed.
- UnprovableResult [Line: 917]: Unable to prove that there are no data races
Unable to prove that there are no data races
Reason: Not analyzed.
- UnprovableResult [Line: 918]: Unable to prove that there are no data races
Unable to prove that there are no data races
Reason: Not analyzed.
- UnprovableResult [Line: 914]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users)
Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users)
Reason: Not analyzed.
- UnprovableResult [Line: 913]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users)
Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users)
Reason: Not analyzed.
- StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances
CFG has 5 procedures, 284 locations, 31 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: 13.4s, OverallIterations: 15, TraceHistogramMax: 3, PathProgramHistogramMax: 6, EmptinessCheckTime: 0.0s, AutomataDifference: 4.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 5.8s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 544 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 544 mSDsluCounter, 39 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 48 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1493 IncrementalHoareTripleChecker+Invalid, 1541 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 48 mSolverCounterUnsat, 39 mSDtfsCounter, 1493 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 407 GetRequests, 354 SyntacticMatches, 3 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=322occurred in iteration=13, InterpolantAutomatonStates: 65, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 713 NumberOfCodeBlocks, 673 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 785 ConstructedInterpolants, 47 QuantifiedInterpolants, 2711 SizeOfPredicates, 11 NumberOfNonLiveVariables, 996 ConjunctsInSsa, 32 ConjunctsInUnsatCore, 20 InterpolantComputations, 11 PerfectInterpolantSequences, 448/478 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be incorrect!
[2023-08-25 07:33:05,490 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0
Received shutdown request...