/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 --traceabstraction.order.of.the.error.locations.to.be.checked PROGRAM_FIRST -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/spaghetti.wvr.c
--------------------------------------------------------------------------------
This is Ultimate 0.2.3-dev-ac9dbd0-m
[2023-08-24 16:34:56,355 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2023-08-24 16:34:56,402 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
[2023-08-24 16:34:56,406 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2023-08-24 16:34:56,406 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty.
[2023-08-24 16:34:56,425 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2023-08-24 16:34:56,426 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-08-24 16:34:56,426 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-08-24 16:34:56,427 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-08-24 16:34:56,427 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2023-08-24 16:34:56,427 INFO L153 SettingsManager]: * Use SBE=true
[2023-08-24 16:34:56,428 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-08-24 16:34:56,428 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2023-08-24 16:34:56,428 INFO L153 SettingsManager]: * sizeof long=4
[2023-08-24 16:34:56,429 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2023-08-24 16:34:56,429 INFO L153 SettingsManager]: * sizeof POINTER=4
[2023-08-24 16:34:56,429 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2023-08-24 16:34:56,430 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2023-08-24 16:34:56,430 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-08-24 16:34:56,430 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2023-08-24 16:34:56,431 INFO L153 SettingsManager]: * sizeof long double=12
[2023-08-24 16:34:56,431 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2023-08-24 16:34:56,431 INFO L153 SettingsManager]: * Use constant arrays=true
[2023-08-24 16:34:56,432 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-08-24 16:34:56,432 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2023-08-24 16:34:56,432 INFO L153 SettingsManager]: * To the following directory=./dump/
[2023-08-24 16:34:56,433 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2023-08-24 16:34:56,433 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-08-24 16:34:56,433 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-08-24 16:34:56,434 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2023-08-24 16:34:56,434 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2023-08-24 16:34:56,434 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2023-08-24 16:34:56,435 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-08-24 16:34:56,435 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2023-08-24 16:34:56,435 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2023-08-24 16:34:56,436 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Order of the error locations to be checked -> PROGRAM_FIRST
[2023-08-24 16:34:56,760 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2023-08-24 16:34:56,782 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-08-24 16:34:56,785 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-08-24 16:34:56,786 INFO L270 PluginConnector]: Initializing CDTParser...
[2023-08-24 16:34:56,786 INFO L274 PluginConnector]: CDTParser initialized
[2023-08-24 16:34:56,787 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/spaghetti.wvr.c
[2023-08-24 16:34:58,064 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2023-08-24 16:34:58,239 INFO L384 CDTParser]: Found 1 translation units.
[2023-08-24 16:34:58,239 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/spaghetti.wvr.c
[2023-08-24 16:34:58,246 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f958d39ff/17fc2a3e118e49d0b501586f87ef48c9/FLAG56a041fc7
[2023-08-24 16:34:58,255 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f958d39ff/17fc2a3e118e49d0b501586f87ef48c9
[2023-08-24 16:34:58,257 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-08-24 16:34:58,258 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements.
[2023-08-24 16:34:58,259 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-08-24 16:34:58,259 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-08-24 16:34:58,261 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2023-08-24 16:34:58,262 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.08 04:34:58" (1/1) ...
[2023-08-24 16:34:58,262 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@127ebeba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.08 04:34:58, skipping insertion in model container
[2023-08-24 16:34:58,263 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.08 04:34:58" (1/1) ...
[2023-08-24 16:34:58,282 INFO L176 MainTranslator]: Built tables and reachable declarations
[2023-08-24 16:34:58,422 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/spaghetti.wvr.c[3221,3234]
[2023-08-24 16:34:58,423 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-08-24 16:34:58,434 INFO L201 MainTranslator]: Completed pre-run
[2023-08-24 16:34:58,457 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/spaghetti.wvr.c[3221,3234]
[2023-08-24 16:34:58,459 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-08-24 16:34:58,466 WARN L669 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler.
[2023-08-24 16:34:58,466 WARN L669 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler.
[2023-08-24 16:34:58,471 INFO L206 MainTranslator]: Completed translation
[2023-08-24 16:34:58,472 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.08 04:34:58 WrapperNode
[2023-08-24 16:34:58,472 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-08-24 16:34:58,473 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-08-24 16:34:58,473 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-08-24 16:34:58,473 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2023-08-24 16:34:58,479 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.08 04:34:58" (1/1) ...
[2023-08-24 16:34:58,487 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.08 04:34:58" (1/1) ...
[2023-08-24 16:34:58,503 INFO L138 Inliner]: procedures = 23, calls = 59, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 80
[2023-08-24 16:34:58,504 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-08-24 16:34:58,504 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-08-24 16:34:58,504 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2023-08-24 16:34:58,505 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2023-08-24 16:34:58,512 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.08 04:34:58" (1/1) ...
[2023-08-24 16:34:58,512 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.08 04:34:58" (1/1) ...
[2023-08-24 16:34:58,514 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.08 04:34:58" (1/1) ...
[2023-08-24 16:34:58,515 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.08 04:34:58" (1/1) ...
[2023-08-24 16:34:58,519 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.08 04:34:58" (1/1) ...
[2023-08-24 16:34:58,522 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.08 04:34:58" (1/1) ...
[2023-08-24 16:34:58,523 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.08 04:34:58" (1/1) ...
[2023-08-24 16:34:58,524 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.08 04:34:58" (1/1) ...
[2023-08-24 16:34:58,526 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-08-24 16:34:58,526 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-08-24 16:34:58,526 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2023-08-24 16:34:58,527 INFO L274 PluginConnector]: RCFGBuilder initialized
[2023-08-24 16:34:58,527 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.08 04:34:58" (1/1) ...
[2023-08-24 16:34:58,532 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-08-24 16:34:58,543 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-08-24 16:34:58,553 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)
[2023-08-24 16:34:58,555 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
[2023-08-24 16:34:58,580 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-08-24 16:34:58,580 INFO L130 BoogieDeclarations]: Found specification of procedure thread1
[2023-08-24 16:34:58,581 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1
[2023-08-24 16:34:58,581 INFO L130 BoogieDeclarations]: Found specification of procedure thread2
[2023-08-24 16:34:58,581 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2
[2023-08-24 16:34:58,581 INFO L130 BoogieDeclarations]: Found specification of procedure thread3
[2023-08-24 16:34:58,581 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3
[2023-08-24 16:34:58,581 INFO L130 BoogieDeclarations]: Found specification of procedure thread4
[2023-08-24 16:34:58,581 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4
[2023-08-24 16:34:58,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2023-08-24 16:34:58,582 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2023-08-24 16:34:58,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2023-08-24 16:34:58,582 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2023-08-24 16:34:58,582 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2023-08-24 16:34:58,582 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-08-24 16:34:58,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-08-24 16:34:58,582 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2023-08-24 16:34:58,583 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2023-08-24 16:34:58,584 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement
[2023-08-24 16:34:58,663 INFO L236 CfgBuilder]: Building ICFG
[2023-08-24 16:34:58,664 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation
[2023-08-24 16:34:58,898 INFO L277 CfgBuilder]: Performing block encoding
[2023-08-24 16:34:58,919 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-08-24 16:34:58,919 INFO L302 CfgBuilder]: Removed 4 assume(true) statements.
[2023-08-24 16:34:58,923 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.08 04:34:58 BoogieIcfgContainer
[2023-08-24 16:34:58,923 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-08-24 16:34:58,925 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-08-24 16:34:58,925 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2023-08-24 16:34:58,928 INFO L274 PluginConnector]: TraceAbstraction initialized
[2023-08-24 16:34:58,928 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.08 04:34:58" (1/3) ...
[2023-08-24 16:34:58,928 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23c578e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.08 04:34:58, skipping insertion in model container
[2023-08-24 16:34:58,928 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.08 04:34:58" (2/3) ...
[2023-08-24 16:34:58,929 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23c578e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.08 04:34:58, skipping insertion in model container
[2023-08-24 16:34:58,929 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.08 04:34:58" (3/3) ...
[2023-08-24 16:34:58,930 INFO L112 eAbstractionObserver]: Analyzing ICFG spaghetti.wvr.c
[2023-08-24 16:34:58,943 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-08-24 16:34:58,943 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2023-08-24 16:34:58,943 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2023-08-24 16:34:59,031 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions.
[2023-08-24 16:34:59,059 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 131 places, 127 transitions, 286 flow
[2023-08-24 16:34:59,114 INFO L124 PetriNetUnfolderBase]: 9/123 cut-off events.
[2023-08-24 16:34:59,114 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES.
[2023-08-24 16:34:59,119 INFO L83 FinitePrefix]: Finished finitePrefix Result has 140 conditions, 123 events. 9/123 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 120 event pairs, 0 based on Foata normal form. 0/113 useless extension candidates. Maximal degree in co-relation 83. Up to 2 conditions per place.
[2023-08-24 16:34:59,120 INFO L82 GeneralOperation]: Start removeDead. Operand has 131 places, 127 transitions, 286 flow
[2023-08-24 16:34:59,123 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 115 places, 111 transitions, 246 flow
[2023-08-24 16:34:59,126 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation.
[2023-08-24 16:34:59,134 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 115 places, 111 transitions, 246 flow
[2023-08-24 16:34:59,137 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 115 places, 111 transitions, 246 flow
[2023-08-24 16:34:59,137 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 115 places, 111 transitions, 246 flow
[2023-08-24 16:34:59,172 INFO L124 PetriNetUnfolderBase]: 9/111 cut-off events.
[2023-08-24 16:34:59,172 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES.
[2023-08-24 16:34:59,174 INFO L83 FinitePrefix]: Finished finitePrefix Result has 128 conditions, 111 events. 9/111 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 119 event pairs, 0 based on Foata normal form. 0/102 useless extension candidates. Maximal degree in co-relation 83. Up to 2 conditions per place.
[2023-08-24 16:34:59,176 INFO L119 LiptonReduction]: Number of co-enabled transitions 3110
[2023-08-24 16:35:01,587 INFO L134 LiptonReduction]: Checked pairs total: 4792
[2023-08-24 16:35:01,588 INFO L136 LiptonReduction]: Total number of compositions: 97
[2023-08-24 16:35:01,600 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-08-24 16:35:01,605 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;@4db4b30a, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2023-08-24 16:35:01,605 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations.
[2023-08-24 16:35:01,612 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2023-08-24 16:35:01,612 INFO L124 PetriNetUnfolderBase]: 4/30 cut-off events.
[2023-08-24 16:35:01,612 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES.
[2023-08-24 16:35:01,612 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-08-24 16:35:01,613 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]
[2023-08-24 16:35:01,613 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] ===
[2023-08-24 16:35:01,617 INFO L145 PredicateUnifier]: Initialized classic predicate unifier
[2023-08-24 16:35:01,617 INFO L85 PathProgramCache]: Analyzing trace with hash 1455752920, now seen corresponding path program 1 times
[2023-08-24 16:35:01,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-08-24 16:35:01,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [21891705]
[2023-08-24 16:35:01,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-08-24 16:35:01,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-08-24 16:35:01,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-08-24 16:35:02,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-08-24 16:35:02,117 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-08-24 16:35:02,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [21891705]
[2023-08-24 16:35:02,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [21891705] provided 1 perfect and 0 imperfect interpolant sequences
[2023-08-24 16:35:02,118 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-08-24 16:35:02,118 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-08-24 16:35:02,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264206063]
[2023-08-24 16:35:02,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-08-24 16:35:02,126 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-08-24 16:35:02,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-08-24 16:35:02,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-08-24 16:35:02,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2023-08-24 16:35:02,150 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 94 out of 224
[2023-08-24 16:35:02,155 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 31 transitions, 86 flow. Second operand has 4 states, 4 states have (on average 99.25) internal successors, (397), 4 states have internal predecessors, (397), 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)
[2023-08-24 16:35:02,155 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-08-24 16:35:02,155 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 94 of 224
[2023-08-24 16:35:02,156 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-08-24 16:35:02,434 INFO L124 PetriNetUnfolderBase]: 2135/2897 cut-off events.
[2023-08-24 16:35:02,435 INFO L125 PetriNetUnfolderBase]: For 219/219 co-relation queries the response was YES.
[2023-08-24 16:35:02,440 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6052 conditions, 2897 events. 2135/2897 cut-off events. For 219/219 co-relation queries the response was YES. Maximal size of possible extension queue 153. Compared 11335 event pairs, 621 based on Foata normal form. 1/2220 useless extension candidates. Maximal degree in co-relation 4906. Up to 1323 conditions per place.
[2023-08-24 16:35:02,450 INFO L140 encePairwiseOnDemand]: 215/224 looper letters, 53 selfloop transitions, 10 changer transitions 13/76 dead transitions.
[2023-08-24 16:35:02,450 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 76 transitions, 352 flow
[2023-08-24 16:35:02,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2023-08-24 16:35:02,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2023-08-24 16:35:02,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 453 transitions.
[2023-08-24 16:35:02,462 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5055803571428571
[2023-08-24 16:35:02,463 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 453 transitions.
[2023-08-24 16:35:02,463 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 453 transitions.
[2023-08-24 16:35:02,465 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-08-24 16:35:02,466 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 453 transitions.
[2023-08-24 16:35:02,470 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 113.25) internal successors, (453), 4 states have internal predecessors, (453), 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)
[2023-08-24 16:35:02,474 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 224.0) internal successors, (1120), 5 states have internal predecessors, (1120), 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)
[2023-08-24 16:35:02,474 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 224.0) internal successors, (1120), 5 states have internal predecessors, (1120), 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)
[2023-08-24 16:35:02,476 INFO L175 Difference]: Start difference. First operand has 40 places, 31 transitions, 86 flow. Second operand 4 states and 453 transitions.
[2023-08-24 16:35:02,477 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 76 transitions, 352 flow
[2023-08-24 16:35:02,482 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 76 transitions, 320 flow, removed 0 selfloop flow, removed 8 redundant places.
[2023-08-24 16:35:02,484 INFO L231 Difference]: Finished difference. Result has 38 places, 41 transitions, 148 flow
[2023-08-24 16:35:02,485 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=224, PETRI_DIFFERENCE_MINUEND_FLOW=70, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=148, PETRI_PLACES=38, PETRI_TRANSITIONS=41}
[2023-08-24 16:35:02,488 INFO L281 CegarLoopForPetriNet]: 40 programPoint places, -2 predicate places.
[2023-08-24 16:35:02,488 INFO L495 AbstractCegarLoop]: Abstraction has has 38 places, 41 transitions, 148 flow
[2023-08-24 16:35:02,489 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 99.25) internal successors, (397), 4 states have internal predecessors, (397), 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)
[2023-08-24 16:35:02,489 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-08-24 16:35:02,489 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]
[2023-08-24 16:35:02,489 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2023-08-24 16:35:02,489 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] ===
[2023-08-24 16:35:02,490 INFO L145 PredicateUnifier]: Initialized classic predicate unifier
[2023-08-24 16:35:02,490 INFO L85 PathProgramCache]: Analyzing trace with hash -480740440, now seen corresponding path program 2 times
[2023-08-24 16:35:02,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-08-24 16:35:02,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [860500168]
[2023-08-24 16:35:02,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-08-24 16:35:02,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-08-24 16:35:02,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-08-24 16:35:02,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-08-24 16:35:02,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-08-24 16:35:02,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [860500168]
[2023-08-24 16:35:02,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [860500168] provided 1 perfect and 0 imperfect interpolant sequences
[2023-08-24 16:35:02,698 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-08-24 16:35:02,698 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-08-24 16:35:02,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [119309674]
[2023-08-24 16:35:02,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-08-24 16:35:02,700 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-08-24 16:35:02,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-08-24 16:35:02,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-08-24 16:35:02,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2023-08-24 16:35:02,702 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 94 out of 224
[2023-08-24 16:35:02,702 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 41 transitions, 148 flow. Second operand has 4 states, 4 states have (on average 99.25) internal successors, (397), 4 states have internal predecessors, (397), 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)
[2023-08-24 16:35:02,702 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-08-24 16:35:02,702 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 94 of 224
[2023-08-24 16:35:02,703 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-08-24 16:35:03,033 INFO L124 PetriNetUnfolderBase]: 2485/3419 cut-off events.
[2023-08-24 16:35:03,034 INFO L125 PetriNetUnfolderBase]: For 1928/1928 co-relation queries the response was YES.
[2023-08-24 16:35:03,040 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9072 conditions, 3419 events. 2485/3419 cut-off events. For 1928/1928 co-relation queries the response was YES. Maximal size of possible extension queue 191. Compared 14098 event pairs, 768 based on Foata normal form. 1/3420 useless extension candidates. Maximal degree in co-relation 2724. Up to 1916 conditions per place.
[2023-08-24 16:35:03,045 INFO L140 encePairwiseOnDemand]: 215/224 looper letters, 0 selfloop transitions, 0 changer transitions 93/93 dead transitions.
[2023-08-24 16:35:03,046 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 40 places, 93 transitions, 512 flow
[2023-08-24 16:35:03,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2023-08-24 16:35:03,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2023-08-24 16:35:03,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 452 transitions.
[2023-08-24 16:35:03,051 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5044642857142857
[2023-08-24 16:35:03,051 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 452 transitions.
[2023-08-24 16:35:03,051 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 452 transitions.
[2023-08-24 16:35:03,052 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-08-24 16:35:03,052 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 452 transitions.
[2023-08-24 16:35:03,053 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 113.0) internal successors, (452), 4 states have internal predecessors, (452), 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)
[2023-08-24 16:35:03,056 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 224.0) internal successors, (1120), 5 states have internal predecessors, (1120), 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)
[2023-08-24 16:35:03,057 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 224.0) internal successors, (1120), 5 states have internal predecessors, (1120), 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)
[2023-08-24 16:35:03,057 INFO L175 Difference]: Start difference. First operand has 38 places, 41 transitions, 148 flow. Second operand 4 states and 452 transitions.
[2023-08-24 16:35:03,057 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 40 places, 93 transitions, 512 flow
[2023-08-24 16:35:03,062 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 93 transitions, 512 flow, removed 0 selfloop flow, removed 0 redundant places.
[2023-08-24 16:35:03,063 INFO L231 Difference]: Finished difference. Result has 40 places, 0 transitions, 0 flow
[2023-08-24 16:35:03,064 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=224, PETRI_DIFFERENCE_MINUEND_FLOW=144, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=0, PETRI_PLACES=40, PETRI_TRANSITIONS=0}
[2023-08-24 16:35:03,065 INFO L281 CegarLoopForPetriNet]: 40 programPoint places, 0 predicate places.
[2023-08-24 16:35:03,067 INFO L495 AbstractCegarLoop]: Abstraction has has 40 places, 0 transitions, 0 flow
[2023-08-24 16:35:03,068 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 99.25) internal successors, (397), 4 states have internal predecessors, (397), 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)
[2023-08-24 16:35:03,073 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining)
[2023-08-24 16:35:03,075 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 5 remaining)
[2023-08-24 16:35:03,076 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining)
[2023-08-24 16:35:03,076 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining)
[2023-08-24 16:35:03,076 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining)
[2023-08-24 16:35:03,076 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2023-08-24 16:35:03,077 INFO L445 BasicCegarLoop]: Path program histogram: [2]
[2023-08-24 16:35:03,081 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2023-08-24 16:35:03,081 INFO L178 ceAbstractionStarter]: Computing trace abstraction results
[2023-08-24 16:35:03,088 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.08 04:35:03 BasicIcfg
[2023-08-24 16:35:03,088 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2023-08-24 16:35:03,089 INFO L158 Benchmark]: Toolchain (without parser) took 4830.83ms. Allocated memory was 371.2MB in the beginning and 528.5MB in the end (delta: 157.3MB). Free memory was 328.8MB in the beginning and 378.4MB in the end (delta: -49.6MB). Peak memory consumption was 109.5MB. Max. memory is 16.0GB.
[2023-08-24 16:35:03,089 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 371.2MB. Free memory was 349.4MB in the beginning and 349.2MB in the end (delta: 157.4kB). There was no memory consumed. Max. memory is 16.0GB.
[2023-08-24 16:35:03,091 INFO L158 Benchmark]: CACSL2BoogieTranslator took 213.61ms. Allocated memory is still 371.2MB. Free memory was 328.8MB in the beginning and 316.9MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.0GB.
[2023-08-24 16:35:03,092 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.79ms. Allocated memory is still 371.2MB. Free memory was 316.9MB in the beginning and 315.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.0GB.
[2023-08-24 16:35:03,094 INFO L158 Benchmark]: Boogie Preprocessor took 21.50ms. Allocated memory is still 371.2MB. Free memory was 314.8MB in the beginning and 313.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.0GB.
[2023-08-24 16:35:03,094 INFO L158 Benchmark]: RCFGBuilder took 396.80ms. Allocated memory is still 371.2MB. Free memory was 313.8MB in the beginning and 297.0MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.0GB.
[2023-08-24 16:35:03,094 INFO L158 Benchmark]: TraceAbstraction took 4162.99ms. Allocated memory was 371.2MB in the beginning and 528.5MB in the end (delta: 157.3MB). Free memory was 296.0MB in the beginning and 378.4MB in the end (delta: -82.4MB). Peak memory consumption was 75.9MB. Max. memory is 16.0GB.
[2023-08-24 16:35:03,099 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.13ms. Allocated memory is still 371.2MB. Free memory was 349.4MB in the beginning and 349.2MB in the end (delta: 157.4kB). There was no memory consumed. Max. memory is 16.0GB.
* CACSL2BoogieTranslator took 213.61ms. Allocated memory is still 371.2MB. Free memory was 328.8MB in the beginning and 316.9MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.0GB.
* Boogie Procedure Inliner took 30.79ms. Allocated memory is still 371.2MB. Free memory was 316.9MB in the beginning and 315.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.0GB.
* Boogie Preprocessor took 21.50ms. Allocated memory is still 371.2MB. Free memory was 314.8MB in the beginning and 313.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.0GB.
* RCFGBuilder took 396.80ms. Allocated memory is still 371.2MB. Free memory was 313.8MB in the beginning and 297.0MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.0GB.
* TraceAbstraction took 4162.99ms. Allocated memory was 371.2MB in the beginning and 528.5MB in the end (delta: 157.3MB). Free memory was 296.0MB in the beginning and 378.4MB in the end (delta: -82.4MB). Peak memory consumption was 75.9MB. Max. memory is 16.0GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: PetriNetLargeBlockEncoding benchmarks
Lipton Reduction Statistics: ReductionTime: 2.5s, 115 PlacesBefore, 40 PlacesAfterwards, 111 TransitionsBefore, 31 TransitionsAfterwards, 3110 CoEnabledTransitionPairs, 5 FixpointIterations, 32 TrivialSequentialCompositions, 44 ConcurrentSequentialCompositions, 3 TrivialYvCompositions, 13 ConcurrentYvCompositions, 5 ChoiceCompositions, 97 TotalNumberOfCompositions, 4792 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3147, independent: 3061, independent conditional: 0, independent unconditional: 3061, dependent: 86, dependent conditional: 0, dependent unconditional: 86, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1732, independent: 1690, independent conditional: 0, independent unconditional: 1690, dependent: 42, dependent conditional: 0, dependent unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3147, independent: 1371, independent conditional: 0, independent unconditional: 1371, dependent: 44, dependent conditional: 0, dependent unconditional: 44, unknown: 1732, unknown conditional: 0, unknown unconditional: 1732] , Statistics on independence cache: Total cache size (in pairs): 114, Positive cache size: 103, Positive conditional cache size: 0, Positive unconditional cache size: 103, Negative cache size: 11, Negative conditional cache size: 0, Negative unconditional cache size: 11, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0
- PositiveResult [Line: 127]: call to reach_error is unreachable
For all program executions holds that call to reach_error is unreachable at this location
- StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances
CFG has 9 procedures, 165 locations, 5 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: 4.0s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.5s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 42 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 42 mSDsluCounter, 24 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6 mSDsCounter, 26 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 263 IncrementalHoareTripleChecker+Invalid, 289 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 26 mSolverCounterUnsat, 18 mSDtfsCounter, 263 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=148occurred in iteration=1, InterpolantAutomatonStates: 8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 42 NumberOfCodeBlocks, 42 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 40 ConstructedInterpolants, 0 QuantifiedInterpolants, 126 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
- AllSpecificationsHoldResult: All specifications hold
1 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2023-08-24 16:35:03,119 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...