./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted/MutualRecursion_1a.c --full-output --architecture 64bit
--------------------------------------------------------------------------------
Checking for overflows
Using default analysis
Version 9bd2c7ff
Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98334daa-f79c-4459-9a64-a60108ffa450/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98334daa-f79c-4459-9a64-a60108ffa450/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98334daa-f79c-4459-9a64-a60108ffa450/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98334daa-f79c-4459-9a64-a60108ffa450/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/termination-crafted/MutualRecursion_1a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98334daa-f79c-4459-9a64-a60108ffa450/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98334daa-f79c-4459-9a64-a60108ffa450/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) )
--witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 727b654585befeb7272249307a5de272b17c4e2d2d1afa67fd11f4eb185d7508
--- Real Ultimate output ---
This is Ultimate 0.2.3-dev-9bd2c7f
[2023-11-19 08:05:55,608 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2023-11-19 08:05:55,733 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98334daa-f79c-4459-9a64-a60108ffa450/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Overflow-64bit-Automizer_Default.epf
[2023-11-19 08:05:55,744 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2023-11-19 08:05:55,745 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-11-19 08:05:55,787 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-19 08:05:55,788 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-11-19 08:05:55,789 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-11-19 08:05:55,790 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-19 08:05:55,795 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-11-19 08:05:55,797 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-19 08:05:55,798 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2023-11-19 08:05:55,798 INFO L153 SettingsManager]: * Use SBE=true
[2023-11-19 08:05:55,800 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-19 08:05:55,801 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2023-11-19 08:05:55,801 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2023-11-19 08:05:55,802 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2023-11-19 08:05:55,802 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2023-11-19 08:05:55,803 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-19 08:05:55,803 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2023-11-19 08:05:55,804 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true
[2023-11-19 08:05:55,804 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2023-11-19 08:05:55,805 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2023-11-19 08:05:55,805 INFO L153 SettingsManager]: * Use constant arrays=true
[2023-11-19 08:05:55,806 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-19 08:05:55,807 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2023-11-19 08:05:55,807 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2023-11-19 08:05:55,808 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 08:05:55,808 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-19 08:05:55,809 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2023-11-19 08:05:55,810 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2023-11-19 08:05:55,811 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2023-11-19 08:05:55,811 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-11-19 08:05:55,811 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2023-11-19 08:05:55,812 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-11-19 08:05:55,812 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2023-11-19 08:05:55,812 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2023-11-19 08:05:55,812 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC
[2023-11-19 08:05:55,813 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98334daa-f79c-4459-9a64-a60108ffa450/bin/uautomizer-verify-uCwYo4JHxu/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98334daa-f79c-4459-9a64-a60108ffa450/bin/uautomizer-verify-uCwYo4JHxu
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 727b654585befeb7272249307a5de272b17c4e2d2d1afa67fd11f4eb185d7508
[2023-11-19 08:05:56,164 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-19 08:05:56,203 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-19 08:05:56,207 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-19 08:05:56,209 INFO L270 PluginConnector]: Initializing CDTParser...
[2023-11-19 08:05:56,210 INFO L274 PluginConnector]: CDTParser initialized
[2023-11-19 08:05:56,211 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98334daa-f79c-4459-9a64-a60108ffa450/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/termination-crafted/MutualRecursion_1a.c
[2023-11-19 08:05:59,588 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2023-11-19 08:05:59,839 INFO L384 CDTParser]: Found 1 translation units.
[2023-11-19 08:05:59,840 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98334daa-f79c-4459-9a64-a60108ffa450/sv-benchmarks/c/termination-crafted/MutualRecursion_1a.c
[2023-11-19 08:05:59,847 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98334daa-f79c-4459-9a64-a60108ffa450/bin/uautomizer-verify-uCwYo4JHxu/data/fb07df7a5/c2aa8170d7f247d6825cf926d64d8b7c/FLAG10b513591
[2023-11-19 08:05:59,861 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98334daa-f79c-4459-9a64-a60108ffa450/bin/uautomizer-verify-uCwYo4JHxu/data/fb07df7a5/c2aa8170d7f247d6825cf926d64d8b7c
[2023-11-19 08:05:59,864 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-19 08:05:59,866 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-19 08:05:59,867 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-19 08:05:59,868 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-19 08:05:59,877 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-19 08:05:59,878 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:05:59" (1/1) ...
[2023-11-19 08:05:59,879 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e386bc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:59, skipping insertion in model container
[2023-11-19 08:05:59,880 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:05:59" (1/1) ...
[2023-11-19 08:05:59,901 INFO L177 MainTranslator]: Built tables and reachable declarations
[2023-11-19 08:06:00,074 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 08:06:00,085 INFO L202 MainTranslator]: Completed pre-run
[2023-11-19 08:06:00,101 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 08:06:00,114 INFO L206 MainTranslator]: Completed translation
[2023-11-19 08:06:00,115 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:00 WrapperNode
[2023-11-19 08:06:00,115 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-19 08:06:00,116 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-19 08:06:00,116 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-19 08:06:00,117 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-19 08:06:00,125 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:00" (1/1) ...
[2023-11-19 08:06:00,129 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:00" (1/1) ...
[2023-11-19 08:06:00,144 INFO L138 Inliner]: procedures = 6, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 9
[2023-11-19 08:06:00,144 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-19 08:06:00,145 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-19 08:06:00,145 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-19 08:06:00,145 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2023-11-19 08:06:00,154 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:00" (1/1) ...
[2023-11-19 08:06:00,154 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:00" (1/1) ...
[2023-11-19 08:06:00,155 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:00" (1/1) ...
[2023-11-19 08:06:00,155 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:00" (1/1) ...
[2023-11-19 08:06:00,157 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:00" (1/1) ...
[2023-11-19 08:06:00,159 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:00" (1/1) ...
[2023-11-19 08:06:00,160 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:00" (1/1) ...
[2023-11-19 08:06:00,161 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:00" (1/1) ...
[2023-11-19 08:06:00,163 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-19 08:06:00,164 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-19 08:06:00,164 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2023-11-19 08:06:00,164 INFO L274 PluginConnector]: RCFGBuilder initialized
[2023-11-19 08:06:00,165 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:00" (1/1) ...
[2023-11-19 08:06:00,171 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 08:06:00,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98334daa-f79c-4459-9a64-a60108ffa450/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 08:06:00,202 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98334daa-f79c-4459-9a64-a60108ffa450/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2023-11-19 08:06:00,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98334daa-f79c-4459-9a64-a60108ffa450/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2023-11-19 08:06:00,245 INFO L130 BoogieDeclarations]: Found specification of procedure f
[2023-11-19 08:06:00,245 INFO L138 BoogieDeclarations]: Found implementation of procedure f
[2023-11-19 08:06:00,245 INFO L130 BoogieDeclarations]: Found specification of procedure g
[2023-11-19 08:06:00,245 INFO L138 BoogieDeclarations]: Found implementation of procedure g
[2023-11-19 08:06:00,246 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-19 08:06:00,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-19 08:06:00,319 INFO L236 CfgBuilder]: Building ICFG
[2023-11-19 08:06:00,322 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-19 08:06:00,497 INFO L277 CfgBuilder]: Performing block encoding
[2023-11-19 08:06:00,507 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-19 08:06:00,507 INFO L302 CfgBuilder]: Removed 0 assume(true) statements.
[2023-11-19 08:06:00,511 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:06:00 BoogieIcfgContainer
[2023-11-19 08:06:00,511 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-11-19 08:06:00,514 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-11-19 08:06:00,514 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2023-11-19 08:06:00,518 INFO L274 PluginConnector]: TraceAbstraction initialized
[2023-11-19 08:06:00,519 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:05:59" (1/3) ...
[2023-11-19 08:06:00,519 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dcdb05a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:06:00, skipping insertion in model container
[2023-11-19 08:06:00,520 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:00" (2/3) ...
[2023-11-19 08:06:00,520 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dcdb05a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:06:00, skipping insertion in model container
[2023-11-19 08:06:00,520 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:06:00" (3/3) ...
[2023-11-19 08:06:00,522 INFO L112 eAbstractionObserver]: Analyzing ICFG MutualRecursion_1a.c
[2023-11-19 08:06:00,545 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-11-19 08:06:00,545 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations.
[2023-11-19 08:06:00,603 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-11-19 08:06:00,610 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@8004f68, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2023-11-19 08:06:00,611 INFO L358 AbstractCegarLoop]: Starting to check reachability of 10 error locations.
[2023-11-19 08:06:00,615 INFO L276 IsEmpty]: Start isEmpty. Operand has 43 states, 25 states have (on average 1.48) internal successors, (37), 35 states have internal predecessors, (37), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5)
[2023-11-19 08:06:00,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7
[2023-11-19 08:06:00,624 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 08:06:00,624 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1]
[2023-11-19 08:06:00,625 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting gErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [fErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, fErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (and 6 more)] ===
[2023-11-19 08:06:00,631 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 08:06:00,631 INFO L85 PathProgramCache]: Analyzing trace with hash 2073143902, now seen corresponding path program 1 times
[2023-11-19 08:06:00,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 08:06:00,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922552122]
[2023-11-19 08:06:00,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 08:06:00,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 08:06:00,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:06:00,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 08:06:00,810 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 08:06:00,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1922552122]
[2023-11-19 08:06:00,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1922552122] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 08:06:00,811 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 08:06:00,811 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-19 08:06:00,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184764549]
[2023-11-19 08:06:00,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 08:06:00,819 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-19 08:06:00,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 08:06:00,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 08:06:00,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 08:06:00,861 INFO L87 Difference]: Start difference. First operand has 43 states, 25 states have (on average 1.48) internal successors, (37), 35 states have internal predecessors, (37), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 08:06:00,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 08:06:00,930 INFO L93 Difference]: Finished difference Result 45 states and 51 transitions.
[2023-11-19 08:06:00,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-19 08:06:00,933 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6
[2023-11-19 08:06:00,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 08:06:00,961 INFO L225 Difference]: With dead ends: 45
[2023-11-19 08:06:00,961 INFO L226 Difference]: Without dead ends: 39
[2023-11-19 08:06:00,964 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 08:06:00,968 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 13 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-19 08:06:00,970 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 74 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 08:06:01,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states.
[2023-11-19 08:06:01,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 37.
[2023-11-19 08:06:01,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 22 states have (on average 1.4545454545454546) internal successors, (32), 30 states have internal predecessors, (32), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4)
[2023-11-19 08:06:01,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 41 transitions.
[2023-11-19 08:06:01,033 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 41 transitions. Word has length 6
[2023-11-19 08:06:01,033 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 08:06:01,033 INFO L495 AbstractCegarLoop]: Abstraction has 37 states and 41 transitions.
[2023-11-19 08:06:01,033 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 08:06:01,034 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 41 transitions.
[2023-11-19 08:06:01,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8
[2023-11-19 08:06:01,035 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 08:06:01,035 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1]
[2023-11-19 08:06:01,035 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2023-11-19 08:06:01,035 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting gErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [fErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, fErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (and 6 more)] ===
[2023-11-19 08:06:01,036 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 08:06:01,036 INFO L85 PathProgramCache]: Analyzing trace with hash -157048422, now seen corresponding path program 1 times
[2023-11-19 08:06:01,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 08:06:01,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411817555]
[2023-11-19 08:06:01,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 08:06:01,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 08:06:01,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:06:01,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 08:06:01,203 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 08:06:01,203 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411817555]
[2023-11-19 08:06:01,203 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [411817555] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 08:06:01,207 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 08:06:01,207 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-11-19 08:06:01,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967155073]
[2023-11-19 08:06:01,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 08:06:01,209 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-11-19 08:06:01,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 08:06:01,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-11-19 08:06:01,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2023-11-19 08:06:01,212 INFO L87 Difference]: Start difference. First operand 37 states and 41 transitions. Second operand has 5 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 08:06:01,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 08:06:01,345 INFO L93 Difference]: Finished difference Result 57 states and 64 transitions.
[2023-11-19 08:06:01,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2023-11-19 08:06:01,346 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7
[2023-11-19 08:06:01,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 08:06:01,347 INFO L225 Difference]: With dead ends: 57
[2023-11-19 08:06:01,347 INFO L226 Difference]: Without dead ends: 53
[2023-11-19 08:06:01,348 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2023-11-19 08:06:01,350 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 26 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-11-19 08:06:01,351 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 136 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-11-19 08:06:01,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states.
[2023-11-19 08:06:01,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 49.
[2023-11-19 08:06:01,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 32 states have (on average 1.34375) internal successors, (43), 39 states have internal predecessors, (43), 7 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6)
[2023-11-19 08:06:01,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 56 transitions.
[2023-11-19 08:06:01,365 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 56 transitions. Word has length 7
[2023-11-19 08:06:01,365 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 08:06:01,365 INFO L495 AbstractCegarLoop]: Abstraction has 49 states and 56 transitions.
[2023-11-19 08:06:01,365 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 08:06:01,366 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 56 transitions.
[2023-11-19 08:06:01,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16
[2023-11-19 08:06:01,367 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 08:06:01,367 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 08:06:01,367 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2023-11-19 08:06:01,368 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting gErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [fErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, fErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (and 6 more)] ===
[2023-11-19 08:06:01,368 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 08:06:01,368 INFO L85 PathProgramCache]: Analyzing trace with hash -1776336168, now seen corresponding path program 1 times
[2023-11-19 08:06:01,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 08:06:01,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [246343677]
[2023-11-19 08:06:01,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 08:06:01,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 08:06:01,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:06:01,533 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 08:06:01,533 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 08:06:01,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [246343677]
[2023-11-19 08:06:01,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [246343677] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 08:06:01,534 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 08:06:01,534 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2023-11-19 08:06:01,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [835305008]
[2023-11-19 08:06:01,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 08:06:01,535 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2023-11-19 08:06:01,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 08:06:01,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2023-11-19 08:06:01,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72
[2023-11-19 08:06:01,537 INFO L87 Difference]: Start difference. First operand 49 states and 56 transitions. Second operand has 9 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 6 states have internal predecessors, (12), 3 states have call successors, (3), 3 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 08:06:01,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 08:06:01,756 INFO L93 Difference]: Finished difference Result 67 states and 78 transitions.
[2023-11-19 08:06:01,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states.
[2023-11-19 08:06:01,757 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 6 states have internal predecessors, (12), 3 states have call successors, (3), 3 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15
[2023-11-19 08:06:01,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 08:06:01,758 INFO L225 Difference]: With dead ends: 67
[2023-11-19 08:06:01,759 INFO L226 Difference]: Without dead ends: 64
[2023-11-19 08:06:01,759 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156
[2023-11-19 08:06:01,761 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 82 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-11-19 08:06:01,762 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 136 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-11-19 08:06:01,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states.
[2023-11-19 08:06:01,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 60.
[2023-11-19 08:06:01,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 43 states have (on average 1.255813953488372) internal successors, (54), 47 states have internal predecessors, (54), 9 states have call successors, (9), 4 states have call predecessors, (9), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8)
[2023-11-19 08:06:01,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 71 transitions.
[2023-11-19 08:06:01,777 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 71 transitions. Word has length 15
[2023-11-19 08:06:01,778 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 08:06:01,778 INFO L495 AbstractCegarLoop]: Abstraction has 60 states and 71 transitions.
[2023-11-19 08:06:01,778 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 6 states have internal predecessors, (12), 3 states have call successors, (3), 3 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 08:06:01,778 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 71 transitions.
[2023-11-19 08:06:01,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18
[2023-11-19 08:06:01,780 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 08:06:01,780 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 08:06:01,780 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2023-11-19 08:06:01,780 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting fErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [fErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, fErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (and 6 more)] ===
[2023-11-19 08:06:01,781 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 08:06:01,781 INFO L85 PathProgramCache]: Analyzing trace with hash -1957494335, now seen corresponding path program 1 times
[2023-11-19 08:06:01,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 08:06:01,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531357733]
[2023-11-19 08:06:01,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 08:06:01,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 08:06:01,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:06:01,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2023-11-19 08:06:01,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:06:01,836 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2023-11-19 08:06:01,836 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 08:06:01,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1531357733]
[2023-11-19 08:06:01,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1531357733] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 08:06:01,837 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 08:06:01,837 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-19 08:06:01,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996984799]
[2023-11-19 08:06:01,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 08:06:01,838 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-19 08:06:01,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 08:06:01,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 08:06:01,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 08:06:01,840 INFO L87 Difference]: Start difference. First operand 60 states and 71 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2023-11-19 08:06:01,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 08:06:01,855 INFO L93 Difference]: Finished difference Result 62 states and 78 transitions.
[2023-11-19 08:06:01,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-19 08:06:01,855 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17
[2023-11-19 08:06:01,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 08:06:01,857 INFO L225 Difference]: With dead ends: 62
[2023-11-19 08:06:01,857 INFO L226 Difference]: Without dead ends: 61
[2023-11-19 08:06:01,858 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 08:06:01,859 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 8 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-19 08:06:01,860 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 64 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 08:06:01,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states.
[2023-11-19 08:06:01,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 59.
[2023-11-19 08:06:01,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 43 states have (on average 1.2325581395348837) internal successors, (53), 46 states have internal predecessors, (53), 9 states have call successors, (9), 4 states have call predecessors, (9), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8)
[2023-11-19 08:06:01,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 70 transitions.
[2023-11-19 08:06:01,874 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 70 transitions. Word has length 17
[2023-11-19 08:06:01,875 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 08:06:01,875 INFO L495 AbstractCegarLoop]: Abstraction has 59 states and 70 transitions.
[2023-11-19 08:06:01,875 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2023-11-19 08:06:01,875 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 70 transitions.
[2023-11-19 08:06:01,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23
[2023-11-19 08:06:01,877 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 08:06:01,877 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 08:06:01,877 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2023-11-19 08:06:01,878 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting gErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [fErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, fErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (and 6 more)] ===
[2023-11-19 08:06:01,878 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 08:06:01,879 INFO L85 PathProgramCache]: Analyzing trace with hash 2114816930, now seen corresponding path program 1 times
[2023-11-19 08:06:01,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 08:06:01,879 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1282055074]
[2023-11-19 08:06:01,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 08:06:01,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 08:06:01,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:06:01,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7
[2023-11-19 08:06:01,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:06:02,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15
[2023-11-19 08:06:02,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:06:02,055 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2023-11-19 08:06:02,056 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 08:06:02,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1282055074]
[2023-11-19 08:06:02,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1282055074] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 08:06:02,057 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 08:06:02,057 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-11-19 08:06:02,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053968225]
[2023-11-19 08:06:02,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 08:06:02,058 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-11-19 08:06:02,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 08:06:02,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-11-19 08:06:02,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2023-11-19 08:06:02,063 INFO L87 Difference]: Start difference. First operand 59 states and 70 transitions. Second operand has 5 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2023-11-19 08:06:02,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 08:06:02,144 INFO L93 Difference]: Finished difference Result 94 states and 123 transitions.
[2023-11-19 08:06:02,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2023-11-19 08:06:02,146 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 22
[2023-11-19 08:06:02,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 08:06:02,154 INFO L225 Difference]: With dead ends: 94
[2023-11-19 08:06:02,154 INFO L226 Difference]: Without dead ends: 93
[2023-11-19 08:06:02,156 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2023-11-19 08:06:02,163 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 8 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 131 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-19 08:06:02,165 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 131 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 08:06:02,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states.
[2023-11-19 08:06:02,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 79.
[2023-11-19 08:06:02,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 59 states have (on average 1.1694915254237288) internal successors, (69), 60 states have internal predecessors, (69), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (20), 14 states have call predecessors, (20), 11 states have call successors, (20)
[2023-11-19 08:06:02,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 101 transitions.
[2023-11-19 08:06:02,211 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 101 transitions. Word has length 22
[2023-11-19 08:06:02,212 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 08:06:02,212 INFO L495 AbstractCegarLoop]: Abstraction has 79 states and 101 transitions.
[2023-11-19 08:06:02,212 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2023-11-19 08:06:02,213 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 101 transitions.
[2023-11-19 08:06:02,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24
[2023-11-19 08:06:02,214 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 08:06:02,214 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 08:06:02,215 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2023-11-19 08:06:02,215 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting gErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [fErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, fErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (and 6 more)] ===
[2023-11-19 08:06:02,216 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 08:06:02,217 INFO L85 PathProgramCache]: Analyzing trace with hash 1134815458, now seen corresponding path program 1 times
[2023-11-19 08:06:02,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 08:06:02,218 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1072237351]
[2023-11-19 08:06:02,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 08:06:02,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 08:06:02,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:06:02,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7
[2023-11-19 08:06:02,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:06:02,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15
[2023-11-19 08:06:02,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:06:02,324 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2023-11-19 08:06:02,324 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 08:06:02,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1072237351]
[2023-11-19 08:06:02,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1072237351] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 08:06:02,325 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 08:06:02,325 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-11-19 08:06:02,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360484880]
[2023-11-19 08:06:02,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 08:06:02,326 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-11-19 08:06:02,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 08:06:02,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-11-19 08:06:02,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2023-11-19 08:06:02,328 INFO L87 Difference]: Start difference. First operand 79 states and 101 transitions. Second operand has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2023-11-19 08:06:02,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 08:06:02,372 INFO L93 Difference]: Finished difference Result 94 states and 120 transitions.
[2023-11-19 08:06:02,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2023-11-19 08:06:02,372 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 23
[2023-11-19 08:06:02,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 08:06:02,374 INFO L225 Difference]: With dead ends: 94
[2023-11-19 08:06:02,374 INFO L226 Difference]: Without dead ends: 90
[2023-11-19 08:06:02,375 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2023-11-19 08:06:02,376 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 6 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 131 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-19 08:06:02,376 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 131 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 08:06:02,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states.
[2023-11-19 08:06:02,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 79.
[2023-11-19 08:06:02,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 59 states have (on average 1.1694915254237288) internal successors, (69), 61 states have internal predecessors, (69), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (19), 13 states have call predecessors, (19), 11 states have call successors, (19)
[2023-11-19 08:06:02,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 100 transitions.
[2023-11-19 08:06:02,391 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 100 transitions. Word has length 23
[2023-11-19 08:06:02,391 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 08:06:02,391 INFO L495 AbstractCegarLoop]: Abstraction has 79 states and 100 transitions.
[2023-11-19 08:06:02,392 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2023-11-19 08:06:02,392 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 100 transitions.
[2023-11-19 08:06:02,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34
[2023-11-19 08:06:02,394 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 08:06:02,394 INFO L195 NwaCegarLoop]: trace histogram [4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 08:06:02,394 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2023-11-19 08:06:02,394 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting fErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [fErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, fErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (and 6 more)] ===
[2023-11-19 08:06:02,395 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 08:06:02,395 INFO L85 PathProgramCache]: Analyzing trace with hash 2043421976, now seen corresponding path program 1 times
[2023-11-19 08:06:02,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 08:06:02,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1283721994]
[2023-11-19 08:06:02,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 08:06:02,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 08:06:02,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:06:02,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18
[2023-11-19 08:06:02,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:06:02,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26
[2023-11-19 08:06:02,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:06:02,525 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked.
[2023-11-19 08:06:02,525 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 08:06:02,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1283721994]
[2023-11-19 08:06:02,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1283721994] provided 0 perfect and 1 imperfect interpolant sequences
[2023-11-19 08:06:02,526 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1641082087]
[2023-11-19 08:06:02,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 08:06:02,526 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 08:06:02,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98334daa-f79c-4459-9a64-a60108ffa450/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 08:06:02,528 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98334daa-f79c-4459-9a64-a60108ffa450/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-19 08:06:02,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98334daa-f79c-4459-9a64-a60108ffa450/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2023-11-19 08:06:02,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:06:02,608 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 4 conjunts are in the unsatisfiable core
[2023-11-19 08:06:02,613 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 08:06:02,675 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked.
[2023-11-19 08:06:02,676 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-11-19 08:06:02,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1641082087] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 08:06:02,677 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2023-11-19 08:06:02,677 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 6
[2023-11-19 08:06:02,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079996855]
[2023-11-19 08:06:02,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 08:06:02,678 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-11-19 08:06:02,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 08:06:02,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-11-19 08:06:02,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2023-11-19 08:06:02,681 INFO L87 Difference]: Start difference. First operand 79 states and 100 transitions. Second operand has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 3 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2)
[2023-11-19 08:06:02,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 08:06:02,791 INFO L93 Difference]: Finished difference Result 150 states and 200 transitions.
[2023-11-19 08:06:02,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2023-11-19 08:06:02,792 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 3 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 33
[2023-11-19 08:06:02,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 08:06:02,793 INFO L225 Difference]: With dead ends: 150
[2023-11-19 08:06:02,793 INFO L226 Difference]: Without dead ends: 79
[2023-11-19 08:06:02,799 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 35 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42
[2023-11-19 08:06:02,800 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 23 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-11-19 08:06:02,801 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 87 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-11-19 08:06:02,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states.
[2023-11-19 08:06:02,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79.
[2023-11-19 08:06:02,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 59 states have (on average 1.1355932203389831) internal successors, (67), 61 states have internal predecessors, (67), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (19), 13 states have call predecessors, (19), 11 states have call successors, (19)
[2023-11-19 08:06:02,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 98 transitions.
[2023-11-19 08:06:02,828 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 98 transitions. Word has length 33
[2023-11-19 08:06:02,828 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 08:06:02,828 INFO L495 AbstractCegarLoop]: Abstraction has 79 states and 98 transitions.
[2023-11-19 08:06:02,828 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 3 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2)
[2023-11-19 08:06:02,829 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 98 transitions.
[2023-11-19 08:06:02,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70
[2023-11-19 08:06:02,839 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 08:06:02,840 INFO L195 NwaCegarLoop]: trace histogram [6, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 08:06:02,867 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98334daa-f79c-4459-9a64-a60108ffa450/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0
[2023-11-19 08:06:03,061 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98334daa-f79c-4459-9a64-a60108ffa450/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 08:06:03,062 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting fErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [fErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, fErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (and 6 more)] ===
[2023-11-19 08:06:03,062 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 08:06:03,062 INFO L85 PathProgramCache]: Analyzing trace with hash 799874222, now seen corresponding path program 1 times
[2023-11-19 08:06:03,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 08:06:03,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544793941]
[2023-11-19 08:06:03,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 08:06:03,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 08:06:03,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:06:03,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18
[2023-11-19 08:06:03,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:06:03,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4
[2023-11-19 08:06:03,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:06:03,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2023-11-19 08:06:03,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:06:03,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44
[2023-11-19 08:06:03,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:06:03,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4
[2023-11-19 08:06:03,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:06:03,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2023-11-19 08:06:03,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:06:03,362 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 30 proven. 3 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked.
[2023-11-19 08:06:03,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 08:06:03,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544793941]
[2023-11-19 08:06:03,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1544793941] provided 0 perfect and 1 imperfect interpolant sequences
[2023-11-19 08:06:03,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1052556225]
[2023-11-19 08:06:03,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 08:06:03,363 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 08:06:03,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98334daa-f79c-4459-9a64-a60108ffa450/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 08:06:03,364 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98334daa-f79c-4459-9a64-a60108ffa450/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-19 08:06:03,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98334daa-f79c-4459-9a64-a60108ffa450/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2023-11-19 08:06:03,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:06:03,429 INFO L262 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 6 conjunts are in the unsatisfiable core
[2023-11-19 08:06:03,433 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 08:06:03,514 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 30 proven. 3 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked.
[2023-11-19 08:06:03,514 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2023-11-19 08:06:03,751 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 30 proven. 3 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked.
[2023-11-19 08:06:03,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1052556225] provided 0 perfect and 2 imperfect interpolant sequences
[2023-11-19 08:06:03,751 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2023-11-19 08:06:03,752 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 12
[2023-11-19 08:06:03,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728497889]
[2023-11-19 08:06:03,752 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2023-11-19 08:06:03,753 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states
[2023-11-19 08:06:03,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 08:06:03,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants.
[2023-11-19 08:06:03,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132
[2023-11-19 08:06:03,755 INFO L87 Difference]: Start difference. First operand 79 states and 98 transitions. Second operand has 12 states, 12 states have (on average 4.333333333333333) internal successors, (52), 12 states have internal predecessors, (52), 7 states have call successors, (11), 1 states have call predecessors, (11), 3 states have return successors, (9), 5 states have call predecessors, (9), 7 states have call successors, (9)
[2023-11-19 08:06:03,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 08:06:03,850 INFO L93 Difference]: Finished difference Result 118 states and 148 transitions.
[2023-11-19 08:06:03,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2023-11-19 08:06:03,852 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.333333333333333) internal successors, (52), 12 states have internal predecessors, (52), 7 states have call successors, (11), 1 states have call predecessors, (11), 3 states have return successors, (9), 5 states have call predecessors, (9), 7 states have call successors, (9) Word has length 69
[2023-11-19 08:06:03,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 08:06:03,855 INFO L225 Difference]: With dead ends: 118
[2023-11-19 08:06:03,856 INFO L226 Difference]: Without dead ends: 0
[2023-11-19 08:06:03,857 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 141 SyntacticMatches, 4 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182
[2023-11-19 08:06:03,861 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 21 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-11-19 08:06:03,868 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 44 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-11-19 08:06:03,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2023-11-19 08:06:03,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2023-11-19 08:06:03,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 08:06:03,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2023-11-19 08:06:03,871 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 69
[2023-11-19 08:06:03,871 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 08:06:03,871 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2023-11-19 08:06:03,871 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.333333333333333) internal successors, (52), 12 states have internal predecessors, (52), 7 states have call successors, (11), 1 states have call predecessors, (11), 3 states have return successors, (9), 5 states have call predecessors, (9), 7 states have call successors, (9)
[2023-11-19 08:06:03,872 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2023-11-19 08:06:03,872 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2023-11-19 08:06:03,875 INFO L805 garLoopResultBuilder]: Registering result SAFE for location fErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 10 remaining)
[2023-11-19 08:06:03,875 INFO L805 garLoopResultBuilder]: Registering result SAFE for location fErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 10 remaining)
[2023-11-19 08:06:03,876 INFO L805 garLoopResultBuilder]: Registering result SAFE for location fErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 10 remaining)
[2023-11-19 08:06:03,877 INFO L805 garLoopResultBuilder]: Registering result SAFE for location fErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 10 remaining)
[2023-11-19 08:06:03,877 INFO L805 garLoopResultBuilder]: Registering result SAFE for location gErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 10 remaining)
[2023-11-19 08:06:03,877 INFO L805 garLoopResultBuilder]: Registering result SAFE for location gErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 10 remaining)
[2023-11-19 08:06:03,877 INFO L805 garLoopResultBuilder]: Registering result SAFE for location gErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 10 remaining)
[2023-11-19 08:06:03,878 INFO L805 garLoopResultBuilder]: Registering result SAFE for location gErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 10 remaining)
[2023-11-19 08:06:03,878 INFO L805 garLoopResultBuilder]: Registering result SAFE for location gErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 10 remaining)
[2023-11-19 08:06:03,878 INFO L805 garLoopResultBuilder]: Registering result SAFE for location gErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 10 remaining)
[2023-11-19 08:06:03,900 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98334daa-f79c-4459-9a64-a60108ffa450/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0
[2023-11-19 08:06:04,093 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98334daa-f79c-4459-9a64-a60108ffa450/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 08:06:04,095 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2023-11-19 08:06:04,224 INFO L899 garLoopResultBuilder]: For program point fFINAL(lines 11 15) no Hoare annotation was computed.
[2023-11-19 08:06:04,224 INFO L895 garLoopResultBuilder]: At program point L14(line 14) the Hoare annotation is: (and (or (= |f_#in~x| f_~x) (< 2147483646 |f_#in~x|)) (< 0 |f_#in~x|))
[2023-11-19 08:06:04,225 INFO L899 garLoopResultBuilder]: For program point L13(lines 13 14) no Hoare annotation was computed.
[2023-11-19 08:06:04,225 INFO L899 garLoopResultBuilder]: For program point L14-1(line 14) no Hoare annotation was computed.
[2023-11-19 08:06:04,225 INFO L899 garLoopResultBuilder]: For program point L14-2(line 14) no Hoare annotation was computed.
[2023-11-19 08:06:04,225 INFO L899 garLoopResultBuilder]: For program point L14-3(line 14) no Hoare annotation was computed.
[2023-11-19 08:06:04,228 INFO L895 garLoopResultBuilder]: At program point L14-4(line 14) the Hoare annotation is: (and (or (= |f_#in~x| f_~x) (< 2147483646 |f_#in~x|)) (< 0 |f_#in~x|))
[2023-11-19 08:06:04,229 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 11 15) the Hoare annotation is: true
[2023-11-19 08:06:04,229 INFO L899 garLoopResultBuilder]: For program point L14-5(line 14) no Hoare annotation was computed.
[2023-11-19 08:06:04,229 INFO L899 garLoopResultBuilder]: For program point fErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 14) no Hoare annotation was computed.
[2023-11-19 08:06:04,229 INFO L899 garLoopResultBuilder]: For program point fErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 14) no Hoare annotation was computed.
[2023-11-19 08:06:04,229 INFO L899 garLoopResultBuilder]: For program point L14-6(line 14) no Hoare annotation was computed.
[2023-11-19 08:06:04,229 INFO L899 garLoopResultBuilder]: For program point fEXIT(lines 11 15) no Hoare annotation was computed.
[2023-11-19 08:06:04,230 INFO L899 garLoopResultBuilder]: For program point L14-7(line 14) no Hoare annotation was computed.
[2023-11-19 08:06:04,230 INFO L899 garLoopResultBuilder]: For program point fErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 14) no Hoare annotation was computed.
[2023-11-19 08:06:04,230 INFO L899 garLoopResultBuilder]: For program point fErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 14) no Hoare annotation was computed.
[2023-11-19 08:06:04,230 INFO L899 garLoopResultBuilder]: For program point gFINAL(lines 17 21) no Hoare annotation was computed.
[2023-11-19 08:06:04,230 INFO L899 garLoopResultBuilder]: For program point L20(line 20) no Hoare annotation was computed.
[2023-11-19 08:06:04,230 INFO L899 garLoopResultBuilder]: For program point L19(lines 19 20) no Hoare annotation was computed.
[2023-11-19 08:06:04,231 INFO L899 garLoopResultBuilder]: For program point L20-1(line 20) no Hoare annotation was computed.
[2023-11-19 08:06:04,231 INFO L895 garLoopResultBuilder]: At program point L20-2(line 20) the Hoare annotation is: (and (or (< 2147483646 |g_#in~x|) (<= 1 g_~x)) (or (= |g_#in~x| g_~x) (< 2147483647 |g_#in~x|)))
[2023-11-19 08:06:04,231 INFO L899 garLoopResultBuilder]: For program point L20-3(line 20) no Hoare annotation was computed.
[2023-11-19 08:06:04,232 INFO L899 garLoopResultBuilder]: For program point L20-4(line 20) no Hoare annotation was computed.
[2023-11-19 08:06:04,232 INFO L899 garLoopResultBuilder]: For program point L20-5(line 20) no Hoare annotation was computed.
[2023-11-19 08:06:04,232 INFO L895 garLoopResultBuilder]: At program point L20-6(line 20) the Hoare annotation is: (and (or (and (= |g_#in~x| g_~x) (= g_~x 1)) (< 2147483647 |g_#in~x|)) (or (< 2147483646 |g_#in~x|) (= |g_#t~ret2| 0)))
[2023-11-19 08:06:04,232 INFO L899 garLoopResultBuilder]: For program point L20-7(line 20) no Hoare annotation was computed.
[2023-11-19 08:06:04,232 INFO L899 garLoopResultBuilder]: For program point L20-8(line 20) no Hoare annotation was computed.
[2023-11-19 08:06:04,232 INFO L899 garLoopResultBuilder]: For program point L20-9(line 20) no Hoare annotation was computed.
[2023-11-19 08:06:04,233 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 17 21) the Hoare annotation is: true
[2023-11-19 08:06:04,233 INFO L899 garLoopResultBuilder]: For program point gErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 20) no Hoare annotation was computed.
[2023-11-19 08:06:04,233 INFO L899 garLoopResultBuilder]: For program point gEXIT(lines 17 21) no Hoare annotation was computed.
[2023-11-19 08:06:04,234 INFO L899 garLoopResultBuilder]: For program point gErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 20) no Hoare annotation was computed.
[2023-11-19 08:06:04,234 INFO L899 garLoopResultBuilder]: For program point gErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 20) no Hoare annotation was computed.
[2023-11-19 08:06:04,235 INFO L899 garLoopResultBuilder]: For program point gErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 20) no Hoare annotation was computed.
[2023-11-19 08:06:04,236 INFO L899 garLoopResultBuilder]: For program point gErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 20) no Hoare annotation was computed.
[2023-11-19 08:06:04,236 INFO L899 garLoopResultBuilder]: For program point gErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 20) no Hoare annotation was computed.
[2023-11-19 08:06:04,236 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2023-11-19 08:06:04,236 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed.
[2023-11-19 08:06:04,236 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed.
[2023-11-19 08:06:04,236 INFO L895 garLoopResultBuilder]: At program point L26(line 26) the Hoare annotation is: (<= |ULTIMATE.start_main_~x~0#1| 2147483647)
[2023-11-19 08:06:04,237 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed.
[2023-11-19 08:06:04,237 INFO L899 garLoopResultBuilder]: For program point L26-1(line 26) no Hoare annotation was computed.
[2023-11-19 08:06:04,237 INFO L899 garLoopResultBuilder]: For program point L24(lines 24 27) no Hoare annotation was computed.
[2023-11-19 08:06:04,241 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 08:06:04,243 INFO L178 ceAbstractionStarter]: Computing trace abstraction results
[2023-11-19 08:06:04,257 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 08:06:04 BoogieIcfgContainer
[2023-11-19 08:06:04,257 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2023-11-19 08:06:04,258 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2023-11-19 08:06:04,258 INFO L270 PluginConnector]: Initializing Witness Printer...
[2023-11-19 08:06:04,259 INFO L274 PluginConnector]: Witness Printer initialized
[2023-11-19 08:06:04,259 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:06:00" (3/4) ...
[2023-11-19 08:06:04,262 INFO L137 WitnessPrinter]: Generating witness for correct program
[2023-11-19 08:06:04,271 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure f
[2023-11-19 08:06:04,271 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure g
[2023-11-19 08:06:04,279 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges
[2023-11-19 08:06:04,280 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2023-11-19 08:06:04,280 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges
[2023-11-19 08:06:04,377 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98334daa-f79c-4459-9a64-a60108ffa450/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml
[2023-11-19 08:06:04,378 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98334daa-f79c-4459-9a64-a60108ffa450/bin/uautomizer-verify-uCwYo4JHxu/witness.yml
[2023-11-19 08:06:04,378 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2023-11-19 08:06:04,379 INFO L158 Benchmark]: Toolchain (without parser) took 4513.64ms. Allocated memory was 142.6MB in the beginning and 190.8MB in the end (delta: 48.2MB). Free memory was 98.0MB in the beginning and 76.9MB in the end (delta: 21.1MB). Peak memory consumption was 69.1MB. Max. memory is 16.1GB.
[2023-11-19 08:06:04,379 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 142.6MB. Free memory is still 112.9MB. There was no memory consumed. Max. memory is 16.1GB.
[2023-11-19 08:06:04,380 INFO L158 Benchmark]: CACSL2BoogieTranslator took 248.01ms. Allocated memory is still 142.6MB. Free memory was 97.9MB in the beginning and 88.5MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
[2023-11-19 08:06:04,381 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.27ms. Allocated memory is still 142.6MB. Free memory was 88.5MB in the beginning and 86.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-11-19 08:06:04,381 INFO L158 Benchmark]: Boogie Preprocessor took 17.89ms. Allocated memory is still 142.6MB. Free memory was 86.9MB in the beginning and 85.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB.
[2023-11-19 08:06:04,381 INFO L158 Benchmark]: RCFGBuilder took 347.50ms. Allocated memory is still 142.6MB. Free memory was 85.8MB in the beginning and 75.4MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
[2023-11-19 08:06:04,382 INFO L158 Benchmark]: TraceAbstraction took 3743.25ms. Allocated memory was 142.6MB in the beginning and 190.8MB in the end (delta: 48.2MB). Free memory was 74.8MB in the beginning and 81.1MB in the end (delta: -6.3MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB.
[2023-11-19 08:06:04,382 INFO L158 Benchmark]: Witness Printer took 120.39ms. Allocated memory is still 190.8MB. Free memory was 81.1MB in the beginning and 76.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2023-11-19 08:06:04,384 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.23ms. Allocated memory is still 142.6MB. Free memory is still 112.9MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 248.01ms. Allocated memory is still 142.6MB. Free memory was 97.9MB in the beginning and 88.5MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 28.27ms. Allocated memory is still 142.6MB. Free memory was 88.5MB in the beginning and 86.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 17.89ms. Allocated memory is still 142.6MB. Free memory was 86.9MB in the beginning and 85.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 347.50ms. Allocated memory is still 142.6MB. Free memory was 85.8MB in the beginning and 75.4MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
* TraceAbstraction took 3743.25ms. Allocated memory was 142.6MB in the beginning and 190.8MB in the end (delta: 48.2MB). Free memory was 74.8MB in the beginning and 81.1MB in the end (delta: -6.3MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB.
* Witness Printer took 120.39ms. Allocated memory is still 190.8MB. Free memory was 81.1MB in the beginning and 76.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: ErrorAutomatonStatistics
NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
- PositiveResult [Line: 14]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 14]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 14]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 14]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 20]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 20]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 20]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 20]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 20]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 20]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 3 procedures, 43 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 3.7s, OverallIterations: 8, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 199 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 187 mSDsluCounter, 803 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 542 mSDsCounter, 37 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 312 IncrementalHoareTripleChecker+Invalid, 349 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 37 mSolverCounterUnsat, 261 mSDtfsCounter, 312 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 241 GetRequests, 194 SyntacticMatches, 5 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=79occurred in iteration=5, InterpolantAutomatonStates: 47, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 8 MinimizatonAttempts, 37 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 82 PreInvPairs, 88 NumberOfFragments, 61 HoareAnnotationTreeSize, 82 FomulaSimplifications, 57 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 95 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 294 NumberOfCodeBlocks, 294 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 352 ConstructedInterpolants, 0 QuantifiedInterpolants, 626 SizeOfPredicates, 3 NumberOfNonLiveVariables, 204 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 11 InterpolantComputations, 7 PerfectInterpolantSequences, 288/300 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
10 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2023-11-19 08:06:04,418 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98334daa-f79c-4459-9a64-a60108ffa450/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE