./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/float-benchs/filter1.c.v+nlh-reducer.c --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for overflows
Using default analysis
Version 9bd2c7ff
Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98726796-5ced-46c5-bd17-e67c583b2db4/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98726796-5ced-46c5-bd17-e67c583b2db4/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_98726796-5ced-46c5-bd17-e67c583b2db4/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98726796-5ced-46c5-bd17-e67c583b2db4/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/filter1.c.v+nlh-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98726796-5ced-46c5-bd17-e67c583b2db4/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98726796-5ced-46c5-bd17-e67c583b2db4/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 32bit --witnessprinter.graph.data.programhash ae4391defacca69a38cbe50f54517d5a9901ae5aadf26a16d1de8c85a3ebd382
--- Real Ultimate output ---
This is Ultimate 0.2.3-dev-9bd2c7f
[2023-11-19 08:00:28,337 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2023-11-19 08:00:28,421 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98726796-5ced-46c5-bd17-e67c583b2db4/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Overflow-32bit-Automizer_Default.epf
[2023-11-19 08:00:28,426 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2023-11-19 08:00:28,427 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-11-19 08:00:28,453 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-19 08:00:28,454 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-11-19 08:00:28,455 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-11-19 08:00:28,455 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-19 08:00:28,456 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-11-19 08:00:28,457 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-19 08:00:28,458 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2023-11-19 08:00:28,458 INFO L153 SettingsManager]: * Use SBE=true
[2023-11-19 08:00:28,459 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-19 08:00:28,459 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2023-11-19 08:00:28,460 INFO L153 SettingsManager]: * sizeof long=4
[2023-11-19 08:00:28,461 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2023-11-19 08:00:28,461 INFO L153 SettingsManager]: * sizeof POINTER=4
[2023-11-19 08:00:28,462 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2023-11-19 08:00:28,462 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2023-11-19 08:00:28,463 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-19 08:00:28,464 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2023-11-19 08:00:28,464 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true
[2023-11-19 08:00:28,465 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2023-11-19 08:00:28,466 INFO L153 SettingsManager]: * sizeof long double=12
[2023-11-19 08:00:28,466 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2023-11-19 08:00:28,467 INFO L153 SettingsManager]: * Use constant arrays=true
[2023-11-19 08:00:28,467 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-19 08:00:28,468 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2023-11-19 08:00:28,469 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2023-11-19 08:00:28,469 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 08:00:28,470 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-19 08:00:28,470 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2023-11-19 08:00:28,471 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2023-11-19 08:00:28,471 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2023-11-19 08:00:28,472 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-11-19 08:00:28,472 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2023-11-19 08:00:28,472 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-11-19 08:00:28,473 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2023-11-19 08:00:28,473 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2023-11-19 08:00:28,473 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC
[2023-11-19 08:00:28,474 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_98726796-5ced-46c5-bd17-e67c583b2db4/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98726796-5ced-46c5-bd17-e67c583b2db4/bin/uautomizer-verify-uCwYo4JHxu
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ae4391defacca69a38cbe50f54517d5a9901ae5aadf26a16d1de8c85a3ebd382
[2023-11-19 08:00:28,717 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-19 08:00:28,745 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-19 08:00:28,749 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-19 08:00:28,750 INFO L270 PluginConnector]: Initializing CDTParser...
[2023-11-19 08:00:28,751 INFO L274 PluginConnector]: CDTParser initialized
[2023-11-19 08:00:28,752 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98726796-5ced-46c5-bd17-e67c583b2db4/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/float-benchs/filter1.c.v+nlh-reducer.c
[2023-11-19 08:00:31,990 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2023-11-19 08:00:32,300 INFO L384 CDTParser]: Found 1 translation units.
[2023-11-19 08:00:32,301 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98726796-5ced-46c5-bd17-e67c583b2db4/sv-benchmarks/c/float-benchs/filter1.c.v+nlh-reducer.c
[2023-11-19 08:00:32,324 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98726796-5ced-46c5-bd17-e67c583b2db4/bin/uautomizer-verify-uCwYo4JHxu/data/3945f446e/076e323b5c2a42beb786a51ce8bbc638/FLAG34c518280
[2023-11-19 08:00:32,340 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98726796-5ced-46c5-bd17-e67c583b2db4/bin/uautomizer-verify-uCwYo4JHxu/data/3945f446e/076e323b5c2a42beb786a51ce8bbc638
[2023-11-19 08:00:32,343 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-19 08:00:32,344 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-19 08:00:32,346 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-19 08:00:32,346 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-19 08:00:32,352 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-19 08:00:32,353 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:00:32" (1/1) ...
[2023-11-19 08:00:32,354 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@914ba44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:32, skipping insertion in model container
[2023-11-19 08:00:32,355 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:00:32" (1/1) ...
[2023-11-19 08:00:32,386 INFO L177 MainTranslator]: Built tables and reachable declarations
[2023-11-19 08:00:32,609 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 08:00:32,619 INFO L202 MainTranslator]: Completed pre-run
[2023-11-19 08:00:32,645 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 08:00:32,659 INFO L206 MainTranslator]: Completed translation
[2023-11-19 08:00:32,660 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:32 WrapperNode
[2023-11-19 08:00:32,660 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-19 08:00:32,661 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-19 08:00:32,661 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-19 08:00:32,662 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-19 08:00:32,669 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:32" (1/1) ...
[2023-11-19 08:00:32,677 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:32" (1/1) ...
[2023-11-19 08:00:32,707 INFO L138 Inliner]: procedures = 15, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 139
[2023-11-19 08:00:32,708 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-19 08:00:32,709 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-19 08:00:32,711 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-19 08:00:32,716 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2023-11-19 08:00:32,726 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:32" (1/1) ...
[2023-11-19 08:00:32,726 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:32" (1/1) ...
[2023-11-19 08:00:32,730 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:32" (1/1) ...
[2023-11-19 08:00:32,739 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:32" (1/1) ...
[2023-11-19 08:00:32,744 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:32" (1/1) ...
[2023-11-19 08:00:32,746 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:32" (1/1) ...
[2023-11-19 08:00:32,748 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:32" (1/1) ...
[2023-11-19 08:00:32,749 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:32" (1/1) ...
[2023-11-19 08:00:32,752 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-19 08:00:32,753 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-19 08:00:32,753 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2023-11-19 08:00:32,753 INFO L274 PluginConnector]: RCFGBuilder initialized
[2023-11-19 08:00:32,754 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:32" (1/1) ...
[2023-11-19 08:00:32,760 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 08:00:32,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98726796-5ced-46c5-bd17-e67c583b2db4/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 08:00:32,802 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98726796-5ced-46c5-bd17-e67c583b2db4/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2023-11-19 08:00:32,838 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98726796-5ced-46c5-bd17-e67c583b2db4/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2023-11-19 08:00:32,853 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error
[2023-11-19 08:00:32,853 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error
[2023-11-19 08:00:32,854 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-11-19 08:00:32,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2023-11-19 08:00:32,854 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-19 08:00:32,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-19 08:00:32,956 INFO L236 CfgBuilder]: Building ICFG
[2023-11-19 08:00:32,958 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-19 08:00:33,246 INFO L277 CfgBuilder]: Performing block encoding
[2023-11-19 08:00:33,255 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-19 08:00:33,255 INFO L302 CfgBuilder]: Removed 0 assume(true) statements.
[2023-11-19 08:00:33,259 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:00:33 BoogieIcfgContainer
[2023-11-19 08:00:33,259 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-11-19 08:00:33,262 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-11-19 08:00:33,262 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2023-11-19 08:00:33,265 INFO L274 PluginConnector]: TraceAbstraction initialized
[2023-11-19 08:00:33,266 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:00:32" (1/3) ...
[2023-11-19 08:00:33,266 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31add6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:00:33, skipping insertion in model container
[2023-11-19 08:00:33,267 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:32" (2/3) ...
[2023-11-19 08:00:33,267 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31add6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:00:33, skipping insertion in model container
[2023-11-19 08:00:33,267 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:00:33" (3/3) ...
[2023-11-19 08:00:33,269 INFO L112 eAbstractionObserver]: Analyzing ICFG filter1.c.v+nlh-reducer.c
[2023-11-19 08:00:33,290 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-11-19 08:00:33,290 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations.
[2023-11-19 08:00:33,351 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-11-19 08:00:33,357 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;@252a35b3, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2023-11-19 08:00:33,357 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations.
[2023-11-19 08:00:33,362 INFO L276 IsEmpty]: Start isEmpty. Operand has 41 states, 35 states have (on average 1.5142857142857142) internal successors, (53), 37 states have internal predecessors, (53), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2023-11-19 08:00:33,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2023-11-19 08:00:33,369 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 08:00:33,370 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 08:00:33,370 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] ===
[2023-11-19 08:00:33,375 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 08:00:33,376 INFO L85 PathProgramCache]: Analyzing trace with hash 1222819953, now seen corresponding path program 1 times
[2023-11-19 08:00:33,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 08:00:33,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168624422]
[2023-11-19 08:00:33,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 08:00:33,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 08:00:33,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:00:33,634 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 08:00:33,634 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 08:00:33,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1168624422]
[2023-11-19 08:00:33,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1168624422] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 08:00:33,636 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 08:00:33,636 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-11-19 08:00:33,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252858465]
[2023-11-19 08:00:33,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 08:00:33,644 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-19 08:00:33,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 08:00:33,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-19 08:00:33,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-11-19 08:00:33,680 INFO L87 Difference]: Start difference. First operand has 41 states, 35 states have (on average 1.5142857142857142) internal successors, (53), 37 states have internal predecessors, (53), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 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 08:00:33,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 08:00:33,750 INFO L93 Difference]: Finished difference Result 67 states and 93 transitions.
[2023-11-19 08:00:33,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2023-11-19 08:00:33,753 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 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) Word has length 14
[2023-11-19 08:00:33,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 08:00:33,760 INFO L225 Difference]: With dead ends: 67
[2023-11-19 08:00:33,760 INFO L226 Difference]: Without dead ends: 29
[2023-11-19 08:00:33,764 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 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 08:00:33,768 INFO L413 NwaCegarLoop]: 49 mSDtfsCounter, 3 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 138 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-19 08:00:33,769 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 138 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 08:00:33,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states.
[2023-11-19 08:00:33,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29.
[2023-11-19 08:00:33,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 27 states have (on average 1.2962962962962963) internal successors, (35), 28 states have internal predecessors, (35), 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 08:00:33,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 35 transitions.
[2023-11-19 08:00:33,821 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 35 transitions. Word has length 14
[2023-11-19 08:00:33,821 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 08:00:33,821 INFO L495 AbstractCegarLoop]: Abstraction has 29 states and 35 transitions.
[2023-11-19 08:00:33,822 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 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 08:00:33,822 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 35 transitions.
[2023-11-19 08:00:33,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2023-11-19 08:00:33,823 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 08:00:33,823 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 08:00:33,823 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2023-11-19 08:00:33,824 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] ===
[2023-11-19 08:00:33,825 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 08:00:33,825 INFO L85 PathProgramCache]: Analyzing trace with hash -1048118186, now seen corresponding path program 1 times
[2023-11-19 08:00:33,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 08:00:33,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037298077]
[2023-11-19 08:00:33,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 08:00:33,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 08:00:33,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:00:33,917 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 08:00:33,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 08:00:33,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1037298077]
[2023-11-19 08:00:33,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1037298077] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 08:00:33,919 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 08:00:33,919 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-19 08:00:33,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [549683746]
[2023-11-19 08:00:33,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 08:00:33,921 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-19 08:00:33,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 08:00:33,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 08:00:33,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 08:00:33,923 INFO L87 Difference]: Start difference. First operand 29 states and 35 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 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 08:00:33,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 08:00:33,941 INFO L93 Difference]: Finished difference Result 34 states and 40 transitions.
[2023-11-19 08:00:33,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-19 08:00:33,942 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 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) Word has length 14
[2023-11-19 08:00:33,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 08:00:33,943 INFO L225 Difference]: With dead ends: 34
[2023-11-19 08:00:33,944 INFO L226 Difference]: Without dead ends: 32
[2023-11-19 08:00:33,944 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 08:00:33,946 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 2 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 50 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 08:00:33,947 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 50 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 08:00:33,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states.
[2023-11-19 08:00:33,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32.
[2023-11-19 08:00:33,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 30 states have (on average 1.2666666666666666) internal successors, (38), 31 states have internal predecessors, (38), 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 08:00:33,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 38 transitions.
[2023-11-19 08:00:33,954 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 38 transitions. Word has length 14
[2023-11-19 08:00:33,954 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 08:00:33,955 INFO L495 AbstractCegarLoop]: Abstraction has 32 states and 38 transitions.
[2023-11-19 08:00:33,955 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 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 08:00:33,955 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 38 transitions.
[2023-11-19 08:00:33,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28
[2023-11-19 08:00:33,956 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 08:00:33,957 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 08:00:33,957 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2023-11-19 08:00:33,958 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] ===
[2023-11-19 08:00:33,958 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 08:00:33,959 INFO L85 PathProgramCache]: Analyzing trace with hash 195777705, now seen corresponding path program 1 times
[2023-11-19 08:00:33,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 08:00:33,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39888887]
[2023-11-19 08:00:33,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 08:00:33,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 08:00:33,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:00:34,125 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 08:00:34,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 08:00:34,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [39888887]
[2023-11-19 08:00:34,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [39888887] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 08:00:34,127 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 08:00:34,127 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-11-19 08:00:34,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382426387]
[2023-11-19 08:00:34,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 08:00:34,128 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-19 08:00:34,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 08:00:34,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-19 08:00:34,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-11-19 08:00:34,130 INFO L87 Difference]: Start difference. First operand 32 states and 38 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 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 08:00:34,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 08:00:34,177 INFO L93 Difference]: Finished difference Result 51 states and 62 transitions.
[2023-11-19 08:00:34,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2023-11-19 08:00:34,181 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 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 27
[2023-11-19 08:00:34,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 08:00:34,182 INFO L225 Difference]: With dead ends: 51
[2023-11-19 08:00:34,182 INFO L226 Difference]: Without dead ends: 31
[2023-11-19 08:00:34,183 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 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 08:00:34,184 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 1 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-19 08:00:34,185 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 95 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 08:00:34,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states.
[2023-11-19 08:00:34,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31.
[2023-11-19 08:00:34,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 29 states have (on average 1.206896551724138) internal successors, (35), 30 states have internal predecessors, (35), 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 08:00:34,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 35 transitions.
[2023-11-19 08:00:34,191 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 35 transitions. Word has length 27
[2023-11-19 08:00:34,191 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 08:00:34,192 INFO L495 AbstractCegarLoop]: Abstraction has 31 states and 35 transitions.
[2023-11-19 08:00:34,194 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 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 08:00:34,195 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 35 transitions.
[2023-11-19 08:00:34,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28
[2023-11-19 08:00:34,199 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 08:00:34,200 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 08:00:34,206 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2023-11-19 08:00:34,206 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] ===
[2023-11-19 08:00:34,207 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 08:00:34,207 INFO L85 PathProgramCache]: Analyzing trace with hash -331552786, now seen corresponding path program 1 times
[2023-11-19 08:00:34,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 08:00:34,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [460377599]
[2023-11-19 08:00:34,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 08:00:34,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 08:00:34,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:00:34,401 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 08:00:34,402 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 08:00:34,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [460377599]
[2023-11-19 08:00:34,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [460377599] provided 0 perfect and 1 imperfect interpolant sequences
[2023-11-19 08:00:34,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [270782466]
[2023-11-19 08:00:34,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 08:00:34,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 08:00:34,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98726796-5ced-46c5-bd17-e67c583b2db4/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 08:00:34,408 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98726796-5ced-46c5-bd17-e67c583b2db4/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-19 08:00:34,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98726796-5ced-46c5-bd17-e67c583b2db4/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2023-11-19 08:00:34,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:00:34,511 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 3 conjunts are in the unsatisfiable core
[2023-11-19 08:00:34,517 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 08:00:34,609 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 08:00:34,609 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-11-19 08:00:34,609 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [270782466] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 08:00:34,610 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2023-11-19 08:00:34,610 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4
[2023-11-19 08:00:34,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422474671]
[2023-11-19 08:00:34,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 08:00:34,611 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-19 08:00:34,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 08:00:34,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-19 08:00:34,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2023-11-19 08:00:34,613 INFO L87 Difference]: Start difference. First operand 31 states and 35 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 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 08:00:34,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 08:00:34,644 INFO L93 Difference]: Finished difference Result 31 states and 35 transitions.
[2023-11-19 08:00:34,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2023-11-19 08:00:34,645 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 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 27
[2023-11-19 08:00:34,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 08:00:34,646 INFO L225 Difference]: With dead ends: 31
[2023-11-19 08:00:34,646 INFO L226 Difference]: Without dead ends: 30
[2023-11-19 08:00:34,647 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 26 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 08:00:34,649 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 12 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 39 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 08:00:34,649 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 39 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 08:00:34,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states.
[2023-11-19 08:00:34,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30.
[2023-11-19 08:00:34,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 29 states have (on average 1.1724137931034482) internal successors, (34), 29 states have internal predecessors, (34), 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 08:00:34,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 34 transitions.
[2023-11-19 08:00:34,655 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 34 transitions. Word has length 27
[2023-11-19 08:00:34,655 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 08:00:34,656 INFO L495 AbstractCegarLoop]: Abstraction has 30 states and 34 transitions.
[2023-11-19 08:00:34,656 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 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 08:00:34,656 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 34 transitions.
[2023-11-19 08:00:34,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29
[2023-11-19 08:00:34,657 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 08:00:34,657 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 08:00:34,683 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98726796-5ced-46c5-bd17-e67c583b2db4/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2023-11-19 08:00:34,879 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98726796-5ced-46c5-bd17-e67c583b2db4/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 08:00:34,879 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] ===
[2023-11-19 08:00:34,880 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 08:00:34,880 INFO L85 PathProgramCache]: Analyzing trace with hash -1688201702, now seen corresponding path program 1 times
[2023-11-19 08:00:34,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 08:00:34,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003845114]
[2023-11-19 08:00:34,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 08:00:34,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 08:00:34,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:00:34,943 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 08:00:34,943 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 08:00:34,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1003845114]
[2023-11-19 08:00:34,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1003845114] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 08:00:34,944 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 08:00:34,944 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-19 08:00:34,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154783780]
[2023-11-19 08:00:34,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 08:00:34,945 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-19 08:00:34,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 08:00:34,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 08:00:34,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 08:00:34,947 INFO L87 Difference]: Start difference. First operand 30 states and 34 transitions. Second operand has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 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 08:00:34,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 08:00:34,956 INFO L93 Difference]: Finished difference Result 30 states and 34 transitions.
[2023-11-19 08:00:34,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-19 08:00:34,957 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 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 28
[2023-11-19 08:00:34,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 08:00:34,957 INFO L225 Difference]: With dead ends: 30
[2023-11-19 08:00:34,958 INFO L226 Difference]: Without dead ends: 0
[2023-11-19 08:00:34,958 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 08:00:34,960 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 15 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-19 08:00:34,961 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 28 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 08:00:34,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2023-11-19 08:00:34,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2023-11-19 08:00:34,962 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 08:00:34,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2023-11-19 08:00:34,963 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 28
[2023-11-19 08:00:34,963 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 08:00:34,963 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2023-11-19 08:00:34,963 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 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 08:00:34,964 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2023-11-19 08:00:34,964 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2023-11-19 08:00:34,967 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining)
[2023-11-19 08:00:34,967 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining)
[2023-11-19 08:00:34,968 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2023-11-19 08:00:34,970 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2023-11-19 08:00:34,985 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed.
[2023-11-19 08:00:34,986 INFO L899 garLoopResultBuilder]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed.
[2023-11-19 08:00:34,986 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line 4) the Hoare annotation is: true
[2023-11-19 08:00:34,986 INFO L899 garLoopResultBuilder]: For program point L27(lines 27 200) no Hoare annotation was computed.
[2023-11-19 08:00:34,987 INFO L899 garLoopResultBuilder]: For program point main_returnLabel#1(lines 18 201) no Hoare annotation was computed.
[2023-11-19 08:00:34,987 INFO L899 garLoopResultBuilder]: For program point L36(lines 36 185) no Hoare annotation was computed.
[2023-11-19 08:00:34,987 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 71) no Hoare annotation was computed.
[2023-11-19 08:00:34,987 INFO L899 garLoopResultBuilder]: For program point L94(lines 94 122) no Hoare annotation was computed.
[2023-11-19 08:00:34,988 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed.
[2023-11-19 08:00:34,988 INFO L899 garLoopResultBuilder]: For program point L119(lines 92 127) no Hoare annotation was computed.
[2023-11-19 08:00:34,988 INFO L899 garLoopResultBuilder]: For program point L86(lines 86 133) no Hoare annotation was computed.
[2023-11-19 08:00:34,988 INFO L899 garLoopResultBuilder]: For program point L78(lines 78 148) no Hoare annotation was computed.
[2023-11-19 08:00:34,988 INFO L899 garLoopResultBuilder]: For program point L103(lines 103 114) no Hoare annotation was computed.
[2023-11-19 08:00:34,989 INFO L899 garLoopResultBuilder]: For program point $Ultimate##24(lines 82 141) no Hoare annotation was computed.
[2023-11-19 08:00:34,989 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 71) no Hoare annotation was computed.
[2023-11-19 08:00:34,989 INFO L899 garLoopResultBuilder]: For program point L145(lines 76 153) no Hoare annotation was computed.
[2023-11-19 08:00:34,989 INFO L899 garLoopResultBuilder]: For program point L46(lines 46 173) no Hoare annotation was computed.
[2023-11-19 08:00:34,989 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed.
[2023-11-19 08:00:34,990 INFO L899 garLoopResultBuilder]: For program point L71(line 71) no Hoare annotation was computed.
[2023-11-19 08:00:34,990 INFO L899 garLoopResultBuilder]: For program point L71-1(line 71) no Hoare annotation was computed.
[2023-11-19 08:00:34,990 INFO L899 garLoopResultBuilder]: For program point L138(lines 36 185) no Hoare annotation was computed.
[2023-11-19 08:00:34,990 INFO L902 garLoopResultBuilder]: At program point L105(line 105) the Hoare annotation is: true
[2023-11-19 08:00:34,990 INFO L899 garLoopResultBuilder]: For program point L72(lines 72 159) no Hoare annotation was computed.
[2023-11-19 08:00:34,991 INFO L899 garLoopResultBuilder]: For program point L105-1(line 105) no Hoare annotation was computed.
[2023-11-19 08:00:34,991 INFO L899 garLoopResultBuilder]: For program point L97(lines 94 122) no Hoare annotation was computed.
[2023-11-19 08:00:34,991 INFO L899 garLoopResultBuilder]: For program point L31(lines 31 195) no Hoare annotation was computed.
[2023-11-19 08:00:34,991 INFO L899 garLoopResultBuilder]: For program point L89(lines 86 133) no Hoare annotation was computed.
[2023-11-19 08:00:34,991 INFO L899 garLoopResultBuilder]: For program point L48(lines 48 168) no Hoare annotation was computed.
[2023-11-19 08:00:34,992 INFO L899 garLoopResultBuilder]: For program point L40(lines 40 179) no Hoare annotation was computed.
[2023-11-19 08:00:34,992 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed.
[2023-11-19 08:00:34,992 INFO L899 garLoopResultBuilder]: For program point L57(lines 57 160) no Hoare annotation was computed.
[2023-11-19 08:00:34,992 INFO L899 garLoopResultBuilder]: For program point L165(lines 46 173) no Hoare annotation was computed.
[2023-11-19 08:00:34,992 INFO L899 garLoopResultBuilder]: For program point L33(lines 33 190) no Hoare annotation was computed.
[2023-11-19 08:00:34,993 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2023-11-19 08:00:34,993 INFO L899 garLoopResultBuilder]: For program point L67(lines 63 160) no Hoare annotation was computed.
[2023-11-19 08:00:34,993 INFO L899 garLoopResultBuilder]: For program point L92(lines 92 127) no Hoare annotation was computed.
[2023-11-19 08:00:34,993 INFO L895 garLoopResultBuilder]: At program point L59(line 59) the Hoare annotation is: (= |ULTIMATE.start_main_~__VERIFIER_assert__cond~0#1| 0)
[2023-11-19 08:00:34,994 INFO L899 garLoopResultBuilder]: For program point L59-1(line 59) no Hoare annotation was computed.
[2023-11-19 08:00:34,994 INFO L899 garLoopResultBuilder]: For program point L51(lines 48 168) no Hoare annotation was computed.
[2023-11-19 08:00:34,994 INFO L899 garLoopResultBuilder]: For program point L76(lines 76 153) no Hoare annotation was computed.
[2023-11-19 08:00:34,994 INFO L899 garLoopResultBuilder]: For program point L43(lines 40 179) no Hoare annotation was computed.
[2023-11-19 08:00:34,998 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1]
[2023-11-19 08:00:35,001 INFO L178 ceAbstractionStarter]: Computing trace abstraction results
[2023-11-19 08:00:35,008 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 08:00:35 BoogieIcfgContainer
[2023-11-19 08:00:35,009 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2023-11-19 08:00:35,010 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2023-11-19 08:00:35,010 INFO L270 PluginConnector]: Initializing Witness Printer...
[2023-11-19 08:00:35,011 INFO L274 PluginConnector]: Witness Printer initialized
[2023-11-19 08:00:35,011 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:00:33" (3/4) ...
[2023-11-19 08:00:35,015 INFO L137 WitnessPrinter]: Generating witness for correct program
[2023-11-19 08:00:35,020 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure reach_error
[2023-11-19 08:00:35,040 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges
[2023-11-19 08:00:35,042 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2023-11-19 08:00:35,042 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2023-11-19 08:00:35,043 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2023-11-19 08:00:35,172 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98726796-5ced-46c5-bd17-e67c583b2db4/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml
[2023-11-19 08:00:35,172 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98726796-5ced-46c5-bd17-e67c583b2db4/bin/uautomizer-verify-uCwYo4JHxu/witness.yml
[2023-11-19 08:00:35,172 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2023-11-19 08:00:35,173 INFO L158 Benchmark]: Toolchain (without parser) took 2828.73ms. Allocated memory was 151.0MB in the beginning and 207.6MB in the end (delta: 56.6MB). Free memory was 119.4MB in the beginning and 125.5MB in the end (delta: -6.2MB). Peak memory consumption was 51.5MB. Max. memory is 16.1GB.
[2023-11-19 08:00:35,173 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 151.0MB. Free memory is still 98.4MB. There was no memory consumed. Max. memory is 16.1GB.
[2023-11-19 08:00:35,174 INFO L158 Benchmark]: CACSL2BoogieTranslator took 314.43ms. Allocated memory is still 151.0MB. Free memory was 118.9MB in the beginning and 107.8MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
[2023-11-19 08:00:35,174 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.62ms. Allocated memory is still 151.0MB. Free memory was 107.4MB in the beginning and 106.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB.
[2023-11-19 08:00:35,175 INFO L158 Benchmark]: Boogie Preprocessor took 42.52ms. Allocated memory is still 151.0MB. Free memory was 106.1MB in the beginning and 104.8MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-11-19 08:00:35,175 INFO L158 Benchmark]: RCFGBuilder took 506.95ms. Allocated memory is still 151.0MB. Free memory was 104.4MB in the beginning and 92.3MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
[2023-11-19 08:00:35,175 INFO L158 Benchmark]: TraceAbstraction took 1746.48ms. Allocated memory was 151.0MB in the beginning and 207.6MB in the end (delta: 56.6MB). Free memory was 91.4MB in the beginning and 130.8MB in the end (delta: -39.4MB). Peak memory consumption was 20.0MB. Max. memory is 16.1GB.
[2023-11-19 08:00:35,177 INFO L158 Benchmark]: Witness Printer took 162.44ms. Allocated memory is still 207.6MB. Free memory was 130.8MB in the beginning and 125.5MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2023-11-19 08:00:35,181 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 98.4MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 314.43ms. Allocated memory is still 151.0MB. Free memory was 118.9MB in the beginning and 107.8MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 47.62ms. Allocated memory is still 151.0MB. Free memory was 107.4MB in the beginning and 106.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB.
* Boogie Preprocessor took 42.52ms. Allocated memory is still 151.0MB. Free memory was 106.1MB in the beginning and 104.8MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 506.95ms. Allocated memory is still 151.0MB. Free memory was 104.4MB in the beginning and 92.3MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
* TraceAbstraction took 1746.48ms. Allocated memory was 151.0MB in the beginning and 207.6MB in the end (delta: 56.6MB). Free memory was 91.4MB in the beginning and 130.8MB in the end (delta: -39.4MB). Peak memory consumption was 20.0MB. Max. memory is 16.1GB.
* Witness Printer took 162.44ms. Allocated memory is still 207.6MB. Free memory was 130.8MB in the beginning and 125.5MB in the end (delta: 5.2MB). 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: 71]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 71]: 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 2 procedures, 41 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 5, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 33 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 33 mSDsluCounter, 350 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 181 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 44 IncrementalHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 169 mSDtfsCounter, 44 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 43 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=41occurred in iteration=0, InterpolantAutomatonStates: 19, 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, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 6 PreInvPairs, 8 NumberOfFragments, 5 HoareAnnotationTreeSize, 6 FomulaSimplifications, 8 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 137 NumberOfCodeBlocks, 137 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 131 ConstructedInterpolants, 0 QuantifiedInterpolants, 287 SizeOfPredicates, 0 NumberOfNonLiveVariables, 105 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 7/9 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
2 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2023-11-19 08:00:35,228 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98726796-5ced-46c5-bd17-e67c583b2db4/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE