./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/BrockschmidtCookFuhs-CAV2013-Fig1.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_4abea490-9a34-47ff-b179-c8e0d73bf1f0/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4abea490-9a34-47ff-b179-c8e0d73bf1f0/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_4abea490-9a34-47ff-b179-c8e0d73bf1f0/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4abea490-9a34-47ff-b179-c8e0d73bf1f0/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/BrockschmidtCookFuhs-CAV2013-Fig1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4abea490-9a34-47ff-b179-c8e0d73bf1f0/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_4abea490-9a34-47ff-b179-c8e0d73bf1f0/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 ef399329f84d2482fbc6cd637d6b986ccb5018221a1a0504f889d0bed5430f95
--- Real Ultimate output ---
This is Ultimate 0.2.3-dev-9bd2c7f
[2023-11-19 07:45:59,923 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2023-11-19 07:45:59,999 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4abea490-9a34-47ff-b179-c8e0d73bf1f0/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Overflow-64bit-Automizer_Default.epf
[2023-11-19 07:46:00,006 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2023-11-19 07:46:00,007 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-11-19 07:46:00,034 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-19 07:46:00,034 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-11-19 07:46:00,035 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-11-19 07:46:00,036 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-19 07:46:00,036 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-11-19 07:46:00,037 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-19 07:46:00,038 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2023-11-19 07:46:00,039 INFO L153 SettingsManager]: * Use SBE=true
[2023-11-19 07:46:00,039 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-19 07:46:00,040 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2023-11-19 07:46:00,040 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2023-11-19 07:46:00,041 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2023-11-19 07:46:00,041 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2023-11-19 07:46:00,042 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-19 07:46:00,043 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2023-11-19 07:46:00,043 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true
[2023-11-19 07:46:00,044 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2023-11-19 07:46:00,044 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2023-11-19 07:46:00,045 INFO L153 SettingsManager]: * Use constant arrays=true
[2023-11-19 07:46:00,045 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-19 07:46:00,046 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2023-11-19 07:46:00,046 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2023-11-19 07:46:00,047 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 07:46:00,047 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-19 07:46:00,047 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2023-11-19 07:46:00,048 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2023-11-19 07:46:00,048 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2023-11-19 07:46:00,049 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-11-19 07:46:00,049 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2023-11-19 07:46:00,050 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-11-19 07:46:00,050 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2023-11-19 07:46:00,050 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2023-11-19 07:46:00,051 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC
[2023-11-19 07:46:00,051 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_4abea490-9a34-47ff-b179-c8e0d73bf1f0/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4abea490-9a34-47ff-b179-c8e0d73bf1f0/bin/uautomizer-verify-uCwYo4JHxu
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ef399329f84d2482fbc6cd637d6b986ccb5018221a1a0504f889d0bed5430f95
[2023-11-19 07:46:00,288 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-19 07:46:00,311 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-19 07:46:00,314 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-19 07:46:00,316 INFO L270 PluginConnector]: Initializing CDTParser...
[2023-11-19 07:46:00,316 INFO L274 PluginConnector]: CDTParser initialized
[2023-11-19 07:46:00,318 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4abea490-9a34-47ff-b179-c8e0d73bf1f0/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/termination-crafted-lit/BrockschmidtCookFuhs-CAV2013-Fig1.c
[2023-11-19 07:46:03,706 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2023-11-19 07:46:03,960 INFO L384 CDTParser]: Found 1 translation units.
[2023-11-19 07:46:03,961 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4abea490-9a34-47ff-b179-c8e0d73bf1f0/sv-benchmarks/c/termination-crafted-lit/BrockschmidtCookFuhs-CAV2013-Fig1.c
[2023-11-19 07:46:03,969 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4abea490-9a34-47ff-b179-c8e0d73bf1f0/bin/uautomizer-verify-uCwYo4JHxu/data/61c3f53b9/0c55a7e7c5594dd5810c188dd1242520/FLAG2a99da3e1
[2023-11-19 07:46:03,983 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4abea490-9a34-47ff-b179-c8e0d73bf1f0/bin/uautomizer-verify-uCwYo4JHxu/data/61c3f53b9/0c55a7e7c5594dd5810c188dd1242520
[2023-11-19 07:46:03,990 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-19 07:46:03,991 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-19 07:46:03,993 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-19 07:46:03,993 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-19 07:46:03,999 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-19 07:46:04,000 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:46:03" (1/1) ...
[2023-11-19 07:46:04,001 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f4fd8a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:04, skipping insertion in model container
[2023-11-19 07:46:04,001 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:46:03" (1/1) ...
[2023-11-19 07:46:04,023 INFO L177 MainTranslator]: Built tables and reachable declarations
[2023-11-19 07:46:04,206 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 07:46:04,212 INFO L202 MainTranslator]: Completed pre-run
[2023-11-19 07:46:04,227 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 07:46:04,241 INFO L206 MainTranslator]: Completed translation
[2023-11-19 07:46:04,242 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:04 WrapperNode
[2023-11-19 07:46:04,242 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-19 07:46:04,243 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-19 07:46:04,244 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-19 07:46:04,244 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-19 07:46:04,252 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:04" (1/1) ...
[2023-11-19 07:46:04,256 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:04" (1/1) ...
[2023-11-19 07:46:04,274 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 34
[2023-11-19 07:46:04,275 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-19 07:46:04,275 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-19 07:46:04,276 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-19 07:46:04,276 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2023-11-19 07:46:04,285 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:04" (1/1) ...
[2023-11-19 07:46:04,286 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:04" (1/1) ...
[2023-11-19 07:46:04,286 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:04" (1/1) ...
[2023-11-19 07:46:04,287 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:04" (1/1) ...
[2023-11-19 07:46:04,289 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:04" (1/1) ...
[2023-11-19 07:46:04,293 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:04" (1/1) ...
[2023-11-19 07:46:04,294 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:04" (1/1) ...
[2023-11-19 07:46:04,295 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:04" (1/1) ...
[2023-11-19 07:46:04,296 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-19 07:46:04,297 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-19 07:46:04,297 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2023-11-19 07:46:04,297 INFO L274 PluginConnector]: RCFGBuilder initialized
[2023-11-19 07:46:04,298 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:04" (1/1) ...
[2023-11-19 07:46:04,305 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 07:46:04,317 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4abea490-9a34-47ff-b179-c8e0d73bf1f0/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:46:04,331 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4abea490-9a34-47ff-b179-c8e0d73bf1f0/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2023-11-19 07:46:04,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4abea490-9a34-47ff-b179-c8e0d73bf1f0/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2023-11-19 07:46:04,381 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-19 07:46:04,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-19 07:46:04,465 INFO L236 CfgBuilder]: Building ICFG
[2023-11-19 07:46:04,467 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-19 07:46:04,573 INFO L277 CfgBuilder]: Performing block encoding
[2023-11-19 07:46:04,581 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-19 07:46:04,581 INFO L302 CfgBuilder]: Removed 2 assume(true) statements.
[2023-11-19 07:46:04,584 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:46:04 BoogieIcfgContainer
[2023-11-19 07:46:04,584 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-11-19 07:46:04,587 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-11-19 07:46:04,588 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2023-11-19 07:46:04,591 INFO L274 PluginConnector]: TraceAbstraction initialized
[2023-11-19 07:46:04,591 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:46:03" (1/3) ...
[2023-11-19 07:46:04,592 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ef4db08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:46:04, skipping insertion in model container
[2023-11-19 07:46:04,592 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:04" (2/3) ...
[2023-11-19 07:46:04,592 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ef4db08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:46:04, skipping insertion in model container
[2023-11-19 07:46:04,593 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:46:04" (3/3) ...
[2023-11-19 07:46:04,594 INFO L112 eAbstractionObserver]: Analyzing ICFG BrockschmidtCookFuhs-CAV2013-Fig1.c
[2023-11-19 07:46:04,615 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-11-19 07:46:04,615 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations.
[2023-11-19 07:46:04,667 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-11-19 07:46:04,675 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;@3081016a, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2023-11-19 07:46:04,675 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations.
[2023-11-19 07:46:04,679 INFO L276 IsEmpty]: Start isEmpty. Operand has 16 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 15 states have internal predecessors, (19), 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 07:46:04,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6
[2023-11-19 07:46:04,687 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:46:04,687 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1]
[2023-11-19 07:46:04,688 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2023-11-19 07:46:04,694 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:46:04,695 INFO L85 PathProgramCache]: Analyzing trace with hash 28699890, now seen corresponding path program 1 times
[2023-11-19 07:46:04,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:46:04,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686135975]
[2023-11-19 07:46:04,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:46:04,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:46:04,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:46:04,887 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 07:46:04,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:46:04,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686135975]
[2023-11-19 07:46:04,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [686135975] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:46:04,889 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:46:04,889 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-19 07:46:04,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434337270]
[2023-11-19 07:46:04,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:46:04,896 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-19 07:46:04,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:46:04,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 07:46:04,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 07:46:04,930 INFO L87 Difference]: Start difference. First operand has 16 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 15 states have internal predecessors, (19), 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) Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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 07:46:04,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:46:04,974 INFO L93 Difference]: Finished difference Result 29 states and 36 transitions.
[2023-11-19 07:46:04,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-19 07:46:04,985 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), 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) Word has length 5
[2023-11-19 07:46:04,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:46:04,993 INFO L225 Difference]: With dead ends: 29
[2023-11-19 07:46:04,993 INFO L226 Difference]: Without dead ends: 11
[2023-11-19 07:46:04,996 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 07:46:05,000 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 9 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 11 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 07:46:05,001 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 11 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 07:46:05,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states.
[2023-11-19 07:46:05,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11.
[2023-11-19 07:46:05,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 8 states have (on average 1.5) internal successors, (12), 10 states have internal predecessors, (12), 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 07:46:05,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 12 transitions.
[2023-11-19 07:46:05,029 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 12 transitions. Word has length 5
[2023-11-19 07:46:05,030 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:46:05,030 INFO L495 AbstractCegarLoop]: Abstraction has 11 states and 12 transitions.
[2023-11-19 07:46:05,030 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), 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 07:46:05,031 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions.
[2023-11-19 07:46:05,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6
[2023-11-19 07:46:05,031 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:46:05,031 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1]
[2023-11-19 07:46:05,032 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2023-11-19 07:46:05,052 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2023-11-19 07:46:05,060 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:46:05,061 INFO L85 PathProgramCache]: Analyzing trace with hash 28699945, now seen corresponding path program 1 times
[2023-11-19 07:46:05,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:46:05,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [968732481]
[2023-11-19 07:46:05,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:46:05,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:46:05,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:46:05,109 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 07:46:05,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:46:05,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [968732481]
[2023-11-19 07:46:05,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [968732481] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:46:05,117 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:46:05,117 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-19 07:46:05,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [727384092]
[2023-11-19 07:46:05,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:46:05,119 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-19 07:46:05,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:46:05,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 07:46:05,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 07:46:05,121 INFO L87 Difference]: Start difference. First operand 11 states and 12 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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 07:46:05,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:46:05,149 INFO L93 Difference]: Finished difference Result 12 states and 13 transitions.
[2023-11-19 07:46:05,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-19 07:46:05,150 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), 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) Word has length 5
[2023-11-19 07:46:05,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:46:05,152 INFO L225 Difference]: With dead ends: 12
[2023-11-19 07:46:05,152 INFO L226 Difference]: Without dead ends: 11
[2023-11-19 07:46:05,153 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 07:46:05,155 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 6 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-19 07:46:05,158 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 8 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 07:46:05,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states.
[2023-11-19 07:46:05,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 10.
[2023-11-19 07:46:05,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 8 states have (on average 1.375) internal successors, (11), 9 states have internal predecessors, (11), 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 07:46:05,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 11 transitions.
[2023-11-19 07:46:05,168 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 11 transitions. Word has length 5
[2023-11-19 07:46:05,168 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:46:05,168 INFO L495 AbstractCegarLoop]: Abstraction has 10 states and 11 transitions.
[2023-11-19 07:46:05,169 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), 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 07:46:05,170 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 11 transitions.
[2023-11-19 07:46:05,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7
[2023-11-19 07:46:05,171 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:46:05,171 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1]
[2023-11-19 07:46:05,171 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2023-11-19 07:46:05,172 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2023-11-19 07:46:05,173 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:46:05,174 INFO L85 PathProgramCache]: Analyzing trace with hash 889696651, now seen corresponding path program 1 times
[2023-11-19 07:46:05,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:46:05,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772293410]
[2023-11-19 07:46:05,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:46:05,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:46:05,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:46:05,289 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 07:46:05,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:46:05,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [772293410]
[2023-11-19 07:46:05,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [772293410] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:46:05,290 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:46:05,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-11-19 07:46:05,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704862106]
[2023-11-19 07:46:05,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:46:05,292 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-19 07:46:05,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:46:05,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-19 07:46:05,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-11-19 07:46:05,294 INFO L87 Difference]: Start difference. First operand 10 states and 11 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 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 07:46:05,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:46:05,333 INFO L93 Difference]: Finished difference Result 10 states and 11 transitions.
[2023-11-19 07:46:05,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2023-11-19 07:46:05,334 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 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) Word has length 6
[2023-11-19 07:46:05,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:46:05,335 INFO L225 Difference]: With dead ends: 10
[2023-11-19 07:46:05,335 INFO L226 Difference]: Without dead ends: 9
[2023-11-19 07:46:05,335 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2023-11-19 07:46:05,337 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 12 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-19 07:46:05,338 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 7 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 07:46:05,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states.
[2023-11-19 07:46:05,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9.
[2023-11-19 07:46:05,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.25) internal successors, (10), 8 states have internal predecessors, (10), 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 07:46:05,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 10 transitions.
[2023-11-19 07:46:05,344 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 10 transitions. Word has length 6
[2023-11-19 07:46:05,344 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:46:05,344 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 10 transitions.
[2023-11-19 07:46:05,344 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 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 07:46:05,345 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions.
[2023-11-19 07:46:05,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7
[2023-11-19 07:46:05,345 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:46:05,346 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1]
[2023-11-19 07:46:05,346 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2023-11-19 07:46:05,346 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2023-11-19 07:46:05,347 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:46:05,347 INFO L85 PathProgramCache]: Analyzing trace with hash 889698349, now seen corresponding path program 1 times
[2023-11-19 07:46:05,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:46:05,348 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [336968317]
[2023-11-19 07:46:05,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:46:05,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:46:05,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:46:05,413 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 07:46:05,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:46:05,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [336968317]
[2023-11-19 07:46:05,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [336968317] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:46:05,414 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:46:05,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-19 07:46:05,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759085481]
[2023-11-19 07:46:05,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:46:05,415 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-19 07:46:05,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:46:05,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 07:46:05,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 07:46:05,418 INFO L87 Difference]: Start difference. First operand 9 states and 10 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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 07:46:05,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:46:05,450 INFO L93 Difference]: Finished difference Result 16 states and 18 transitions.
[2023-11-19 07:46:05,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-19 07:46:05,451 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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) Word has length 6
[2023-11-19 07:46:05,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:46:05,452 INFO L225 Difference]: With dead ends: 16
[2023-11-19 07:46:05,453 INFO L226 Difference]: Without dead ends: 15
[2023-11-19 07:46:05,453 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 07:46:05,455 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 3 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-19 07:46:05,457 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 10 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 07:46:05,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states.
[2023-11-19 07:46:05,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 12.
[2023-11-19 07:46:05,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 11 states have internal predecessors, (14), 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 07:46:05,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 14 transitions.
[2023-11-19 07:46:05,470 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 14 transitions. Word has length 6
[2023-11-19 07:46:05,470 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:46:05,470 INFO L495 AbstractCegarLoop]: Abstraction has 12 states and 14 transitions.
[2023-11-19 07:46:05,470 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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 07:46:05,471 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions.
[2023-11-19 07:46:05,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10
[2023-11-19 07:46:05,471 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:46:05,472 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1]
[2023-11-19 07:46:05,472 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2023-11-19 07:46:05,472 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2023-11-19 07:46:05,473 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:46:05,473 INFO L85 PathProgramCache]: Analyzing trace with hash 760381159, now seen corresponding path program 1 times
[2023-11-19 07:46:05,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:46:05,474 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632126476]
[2023-11-19 07:46:05,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:46:05,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:46:05,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:46:05,561 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:46:05,562 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:46:05,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [632126476]
[2023-11-19 07:46:05,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [632126476] provided 0 perfect and 1 imperfect interpolant sequences
[2023-11-19 07:46:05,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [469004180]
[2023-11-19 07:46:05,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:46:05,563 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 07:46:05,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4abea490-9a34-47ff-b179-c8e0d73bf1f0/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:46:05,565 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4abea490-9a34-47ff-b179-c8e0d73bf1f0/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-19 07:46:05,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4abea490-9a34-47ff-b179-c8e0d73bf1f0/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2023-11-19 07:46:05,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:46:05,619 INFO L262 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 3 conjunts are in the unsatisfiable core
[2023-11-19 07:46:05,625 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 07:46:05,675 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:46:05,675 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2023-11-19 07:46:05,738 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:46:05,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [469004180] provided 0 perfect and 2 imperfect interpolant sequences
[2023-11-19 07:46:05,739 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2023-11-19 07:46:05,739 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5
[2023-11-19 07:46:05,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873769758]
[2023-11-19 07:46:05,739 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2023-11-19 07:46:05,739 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2023-11-19 07:46:05,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:46:05,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2023-11-19 07:46:05,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2023-11-19 07:46:05,741 INFO L87 Difference]: Start difference. First operand 12 states and 14 transitions. Second operand has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 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 07:46:05,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:46:05,788 INFO L93 Difference]: Finished difference Result 34 states and 41 transitions.
[2023-11-19 07:46:05,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2023-11-19 07:46:05,788 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 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) Word has length 9
[2023-11-19 07:46:05,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:46:05,791 INFO L225 Difference]: With dead ends: 34
[2023-11-19 07:46:05,791 INFO L226 Difference]: Without dead ends: 33
[2023-11-19 07:46:05,791 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2023-11-19 07:46:05,793 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 15 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-19 07:46:05,793 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 18 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 07:46:05,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states.
[2023-11-19 07:46:05,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 21.
[2023-11-19 07:46:05,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 20 states have (on average 1.3) internal successors, (26), 20 states have internal predecessors, (26), 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 07:46:05,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 26 transitions.
[2023-11-19 07:46:05,802 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 26 transitions. Word has length 9
[2023-11-19 07:46:05,802 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:46:05,802 INFO L495 AbstractCegarLoop]: Abstraction has 21 states and 26 transitions.
[2023-11-19 07:46:05,802 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 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 07:46:05,802 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions.
[2023-11-19 07:46:05,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19
[2023-11-19 07:46:05,803 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:46:05,803 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 1, 1, 1, 1]
[2023-11-19 07:46:05,835 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4abea490-9a34-47ff-b179-c8e0d73bf1f0/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0
[2023-11-19 07:46:06,022 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4abea490-9a34-47ff-b179-c8e0d73bf1f0/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 07:46:06,023 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2023-11-19 07:46:06,023 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:46:06,024 INFO L85 PathProgramCache]: Analyzing trace with hash -757857363, now seen corresponding path program 2 times
[2023-11-19 07:46:06,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:46:06,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1598230047]
[2023-11-19 07:46:06,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:46:06,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:46:06,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:46:06,157 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked.
[2023-11-19 07:46:06,157 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:46:06,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1598230047]
[2023-11-19 07:46:06,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1598230047] provided 0 perfect and 1 imperfect interpolant sequences
[2023-11-19 07:46:06,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [79717231]
[2023-11-19 07:46:06,158 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2023-11-19 07:46:06,158 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 07:46:06,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4abea490-9a34-47ff-b179-c8e0d73bf1f0/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:46:06,160 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4abea490-9a34-47ff-b179-c8e0d73bf1f0/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-19 07:46:06,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4abea490-9a34-47ff-b179-c8e0d73bf1f0/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2023-11-19 07:46:06,200 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s)
[2023-11-19 07:46:06,200 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2023-11-19 07:46:06,201 INFO L262 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 4 conjunts are in the unsatisfiable core
[2023-11-19 07:46:06,202 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 07:46:06,261 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked.
[2023-11-19 07:46:06,265 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2023-11-19 07:46:06,333 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked.
[2023-11-19 07:46:06,333 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [79717231] provided 0 perfect and 2 imperfect interpolant sequences
[2023-11-19 07:46:06,334 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2023-11-19 07:46:06,334 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 4
[2023-11-19 07:46:06,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125104885]
[2023-11-19 07:46:06,336 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2023-11-19 07:46:06,339 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-11-19 07:46:06,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:46:06,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-11-19 07:46:06,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2023-11-19 07:46:06,344 INFO L87 Difference]: Start difference. First operand 21 states and 26 transitions. Second operand has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 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 07:46:06,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:46:06,406 INFO L93 Difference]: Finished difference Result 24 states and 29 transitions.
[2023-11-19 07:46:06,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2023-11-19 07:46:06,407 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 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) Word has length 18
[2023-11-19 07:46:06,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:46:06,407 INFO L225 Difference]: With dead ends: 24
[2023-11-19 07:46:06,408 INFO L226 Difference]: Without dead ends: 0
[2023-11-19 07:46:06,409 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 33 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56
[2023-11-19 07:46:06,414 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 18 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 5 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-19 07:46:06,415 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 5 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 07:46:06,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2023-11-19 07:46:06,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2023-11-19 07:46:06,417 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 07:46:06,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2023-11-19 07:46:06,418 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18
[2023-11-19 07:46:06,418 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:46:06,418 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2023-11-19 07:46:06,419 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 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 07:46:06,419 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2023-11-19 07:46:06,419 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2023-11-19 07:46:06,422 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining)
[2023-11-19 07:46:06,422 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining)
[2023-11-19 07:46:06,422 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining)
[2023-11-19 07:46:06,423 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining)
[2023-11-19 07:46:06,449 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4abea490-9a34-47ff-b179-c8e0d73bf1f0/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0
[2023-11-19 07:46:06,643 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4abea490-9a34-47ff-b179-c8e0d73bf1f0/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 07:46:06,645 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2023-11-19 07:46:06,755 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 22) no Hoare annotation was computed.
[2023-11-19 07:46:06,755 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2023-11-19 07:46:06,755 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 24) no Hoare annotation was computed.
[2023-11-19 07:46:06,755 INFO L895 garLoopResultBuilder]: At program point L21-2(lines 21 23) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~n~0#1| 2147483647) (<= 0 (+ |ULTIMATE.start_main_~i~0#1| 2147483648)) (<= |ULTIMATE.start_main_~i~0#1| 2147483646) (<= 0 |ULTIMATE.start_main_~j~0#1|))
[2023-11-19 07:46:06,756 INFO L899 garLoopResultBuilder]: For program point L21-3(lines 21 23) no Hoare annotation was computed.
[2023-11-19 07:46:06,756 INFO L895 garLoopResultBuilder]: At program point L19-2(lines 19 25) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~n~0#1| 2147483647) (<= 0 (+ |ULTIMATE.start_main_~i~0#1| 2147483648)))
[2023-11-19 07:46:06,756 INFO L899 garLoopResultBuilder]: For program point L19-3(lines 19 25) no Hoare annotation was computed.
[2023-11-19 07:46:06,756 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed.
[2023-11-19 07:46:06,756 INFO L899 garLoopResultBuilder]: For program point main_returnLabel#1(lines 14 27) no Hoare annotation was computed.
[2023-11-19 07:46:06,756 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed.
[2023-11-19 07:46:06,756 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 22) no Hoare annotation was computed.
[2023-11-19 07:46:06,756 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 24) no Hoare annotation was computed.
[2023-11-19 07:46:06,757 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed.
[2023-11-19 07:46:06,757 INFO L899 garLoopResultBuilder]: For program point L24(line 24) no Hoare annotation was computed.
[2023-11-19 07:46:06,757 INFO L899 garLoopResultBuilder]: For program point L22(line 22) no Hoare annotation was computed.
[2023-11-19 07:46:06,757 INFO L899 garLoopResultBuilder]: For program point L22-1(line 22) no Hoare annotation was computed.
[2023-11-19 07:46:06,760 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1]
[2023-11-19 07:46:06,762 INFO L178 ceAbstractionStarter]: Computing trace abstraction results
[2023-11-19 07:46:06,775 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:46:06 BoogieIcfgContainer
[2023-11-19 07:46:06,775 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2023-11-19 07:46:06,776 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2023-11-19 07:46:06,776 INFO L270 PluginConnector]: Initializing Witness Printer...
[2023-11-19 07:46:06,776 INFO L274 PluginConnector]: Witness Printer initialized
[2023-11-19 07:46:06,777 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:46:04" (3/4) ...
[2023-11-19 07:46:06,779 INFO L137 WitnessPrinter]: Generating witness for correct program
[2023-11-19 07:46:06,789 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges
[2023-11-19 07:46:06,789 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2023-11-19 07:46:06,789 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges
[2023-11-19 07:46:06,897 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4abea490-9a34-47ff-b179-c8e0d73bf1f0/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml
[2023-11-19 07:46:06,901 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4abea490-9a34-47ff-b179-c8e0d73bf1f0/bin/uautomizer-verify-uCwYo4JHxu/witness.yml
[2023-11-19 07:46:06,901 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2023-11-19 07:46:06,902 INFO L158 Benchmark]: Toolchain (without parser) took 2910.73ms. Allocated memory is still 151.0MB. Free memory was 106.5MB in the beginning and 120.1MB in the end (delta: -13.6MB). Peak memory consumption was 49.2MB. Max. memory is 16.1GB.
[2023-11-19 07:46:06,902 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 151.0MB. Free memory is still 106.6MB. There was no memory consumed. Max. memory is 16.1GB.
[2023-11-19 07:46:06,902 INFO L158 Benchmark]: CACSL2BoogieTranslator took 249.75ms. Allocated memory is still 151.0MB. Free memory was 106.1MB in the beginning and 96.8MB in the end (delta: 9.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
[2023-11-19 07:46:06,903 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.41ms. Allocated memory is still 151.0MB. Free memory was 96.4MB in the beginning and 95.2MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-11-19 07:46:06,903 INFO L158 Benchmark]: Boogie Preprocessor took 20.83ms. Allocated memory is still 151.0MB. Free memory was 95.2MB in the beginning and 94.3MB in the end (delta: 890.2kB). There was no memory consumed. Max. memory is 16.1GB.
[2023-11-19 07:46:06,904 INFO L158 Benchmark]: RCFGBuilder took 287.54ms. Allocated memory is still 151.0MB. Free memory was 94.3MB in the beginning and 84.7MB in the end (delta: 9.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
[2023-11-19 07:46:06,905 INFO L158 Benchmark]: TraceAbstraction took 2188.08ms. Allocated memory is still 151.0MB. Free memory was 83.9MB in the beginning and 64.7MB in the end (delta: 19.1MB). Peak memory consumption was 21.2MB. Max. memory is 16.1GB.
[2023-11-19 07:46:06,905 INFO L158 Benchmark]: Witness Printer took 125.29ms. Allocated memory is still 151.0MB. Free memory was 64.7MB in the beginning and 120.1MB in the end (delta: -55.4MB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB.
[2023-11-19 07:46:06,908 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.33ms. Allocated memory is still 151.0MB. Free memory is still 106.6MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 249.75ms. Allocated memory is still 151.0MB. Free memory was 106.1MB in the beginning and 96.8MB in the end (delta: 9.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 31.41ms. Allocated memory is still 151.0MB. Free memory was 96.4MB in the beginning and 95.2MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 20.83ms. Allocated memory is still 151.0MB. Free memory was 95.2MB in the beginning and 94.3MB in the end (delta: 890.2kB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 287.54ms. Allocated memory is still 151.0MB. Free memory was 94.3MB in the beginning and 84.7MB in the end (delta: 9.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
* TraceAbstraction took 2188.08ms. Allocated memory is still 151.0MB. Free memory was 83.9MB in the beginning and 64.7MB in the end (delta: 19.1MB). Peak memory consumption was 21.2MB. Max. memory is 16.1GB.
* Witness Printer took 125.29ms. Allocated memory is still 151.0MB. Free memory was 64.7MB in the beginning and 120.1MB in the end (delta: -55.4MB). Peak memory consumption was 4.9MB. 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: 22]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 22]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 24]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 24]: 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 1 procedures, 16 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 2.1s, OverallIterations: 6, TraceHistogramMax: 5, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 63 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 63 mSDsluCounter, 59 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 22 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 72 IncrementalHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 37 mSDtfsCounter, 72 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 70 GetRequests, 52 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21occurred in iteration=5, InterpolantAutomatonStates: 25, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 16 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 9 NumberOfFragments, 24 HoareAnnotationTreeSize, 2 FomulaSimplifications, 448 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 2 FomulaSimplificationsInter, 83 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 76 NumberOfCodeBlocks, 64 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 93 ConstructedInterpolants, 0 QuantifiedInterpolants, 255 SizeOfPredicates, 4 NumberOfNonLiveVariables, 35 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 10 InterpolantComputations, 4 PerfectInterpolantSequences, 66/99 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
- AllSpecificationsHoldResult: All specifications hold
4 specifications checked. All of them hold
- InvariantResult [Line: 19]: Loop Invariant
Derived loop invariant: ((n <= 2147483647) && (0 <= (i + 2147483648)))
- InvariantResult [Line: 21]: Loop Invariant
Derived loop invariant: ((((n <= 2147483647) && (0 <= (i + 2147483648))) && (i <= 2147483646)) && (0 <= j))
RESULT: Ultimate proved your program to be correct!
[2023-11-19 07:46:06,952 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4abea490-9a34-47ff-b179-c8e0d73bf1f0/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