./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-invgen/sendmail-close-angle.i --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for overflows
Using default analysis
Version 826ab2ba
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/loop-invgen/sendmail-close-angle.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd --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 4be4b344509b887bc91f2389f98de1e4ff745494aee0f078864fd49e79b0b4b8
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-826ab2b
[2024-11-13 16:02:45,104 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-13 16:02:45,188 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Overflow-32bit-Automizer_Default.epf
[2024-11-13 16:02:45,194 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-13 16:02:45,194 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-13 16:02:45,218 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-13 16:02:45,218 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-13 16:02:45,219 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-13 16:02:45,219 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-13 16:02:45,219 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-13 16:02:45,219 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-13 16:02:45,219 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-13 16:02:45,220 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-13 16:02:45,220 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-13 16:02:45,220 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-13 16:02:45,220 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-13 16:02:45,220 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-13 16:02:45,221 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-13 16:02:45,221 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-13 16:02:45,221 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-13 16:02:45,221 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-13 16:02:45,221 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-13 16:02:45,221 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-13 16:02:45,222 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-13 16:02:45,222 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-11-13 16:02:45,222 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME
[2024-11-13 16:02:45,222 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-11-13 16:02:45,222 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-13 16:02:45,222 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-13 16:02:45,222 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-13 16:02:45,223 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-13 16:02:45,223 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-13 16:02:45,223 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-13 16:02:45,223 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-13 16:02:45,223 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-13 16:02:45,223 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-13 16:02:45,224 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-13 16:02:45,224 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-13 16:02:45,224 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-13 16:02:45,224 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-13 16:02:45,224 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-13 16:02:45,224 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-13 16:02:45,224 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-13 16:02:45,224 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-13 16:02:45,225 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC
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_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd
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 -> 4be4b344509b887bc91f2389f98de1e4ff745494aee0f078864fd49e79b0b4b8
[2024-11-13 16:02:45,507 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-13 16:02:45,521 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-13 16:02:45,527 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-13 16:02:45,528 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-13 16:02:45,528 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-13 16:02:45,530 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/loop-invgen/sendmail-close-angle.i
Unable to find full path for "g++"
[2024-11-13 16:02:47,421 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-11-13 16:02:47,739 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-13 16:02:47,739 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/sv-benchmarks/c/loop-invgen/sendmail-close-angle.i
[2024-11-13 16:02:47,749 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/data/6b2a75488/f21fe664ba4144c98abd2aaf0d034315/FLAG387dd1d0e
[2024-11-13 16:02:48,015 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/data/6b2a75488/f21fe664ba4144c98abd2aaf0d034315
[2024-11-13 16:02:48,017 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-13 16:02:48,018 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-13 16:02:48,020 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-13 16:02:48,020 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-13 16:02:48,027 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-13 16:02:48,028 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:02:48" (1/1) ...
[2024-11-13 16:02:48,029 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@194009f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:02:48, skipping insertion in model container
[2024-11-13 16:02:48,029 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:02:48" (1/1) ...
[2024-11-13 16:02:48,047 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-13 16:02:48,226 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-13 16:02:48,235 INFO L200 MainTranslator]: Completed pre-run
[2024-11-13 16:02:48,251 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-13 16:02:48,265 INFO L204 MainTranslator]: Completed translation
[2024-11-13 16:02:48,266 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:02:48 WrapperNode
[2024-11-13 16:02:48,266 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-13 16:02:48,267 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-13 16:02:48,268 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-13 16:02:48,268 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-13 16:02:48,275 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:02:48" (1/1) ...
[2024-11-13 16:02:48,281 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:02:48" (1/1) ...
[2024-11-13 16:02:48,297 INFO L138 Inliner]: procedures = 16, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 78
[2024-11-13 16:02:48,297 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-13 16:02:48,298 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-13 16:02:48,298 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-13 16:02:48,298 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-13 16:02:48,306 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:02:48" (1/1) ...
[2024-11-13 16:02:48,307 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:02:48" (1/1) ...
[2024-11-13 16:02:48,308 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:02:48" (1/1) ...
[2024-11-13 16:02:48,318 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2024-11-13 16:02:48,319 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:02:48" (1/1) ...
[2024-11-13 16:02:48,319 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:02:48" (1/1) ...
[2024-11-13 16:02:48,322 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:02:48" (1/1) ...
[2024-11-13 16:02:48,325 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:02:48" (1/1) ...
[2024-11-13 16:02:48,326 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:02:48" (1/1) ...
[2024-11-13 16:02:48,327 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:02:48" (1/1) ...
[2024-11-13 16:02:48,329 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-13 16:02:48,330 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-13 16:02:48,330 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-13 16:02:48,330 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-13 16:02:48,331 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:02:48" (1/1) ...
[2024-11-13 16:02:48,337 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-13 16:02:48,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3
[2024-11-13 16:02:48,366 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-13 16:02:48,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-13 16:02:48,401 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-13 16:02:48,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-13 16:02:48,401 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-13 16:02:48,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-13 16:02:48,402 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2024-11-13 16:02:48,402 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert
[2024-11-13 16:02:48,477 INFO L238 CfgBuilder]: Building ICFG
[2024-11-13 16:02:48,479 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-13 16:02:48,710 INFO L? ?]: Removed 25 outVars from TransFormulas that were not future-live.
[2024-11-13 16:02:48,711 INFO L287 CfgBuilder]: Performing block encoding
[2024-11-13 16:02:48,721 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-13 16:02:48,721 INFO L316 CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-13 16:02:48,722 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:02:48 BoogieIcfgContainer
[2024-11-13 16:02:48,722 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-13 16:02:48,725 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-13 16:02:48,725 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-13 16:02:48,729 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-13 16:02:48,730 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 04:02:48" (1/3) ...
[2024-11-13 16:02:48,730 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@595385cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 04:02:48, skipping insertion in model container
[2024-11-13 16:02:48,730 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:02:48" (2/3) ...
[2024-11-13 16:02:48,731 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@595385cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 04:02:48, skipping insertion in model container
[2024-11-13 16:02:48,731 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:02:48" (3/3) ...
[2024-11-13 16:02:48,732 INFO L112 eAbstractionObserver]: Analyzing ICFG sendmail-close-angle.i
[2024-11-13 16:02:48,748 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-13 16:02:48,751 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG sendmail-close-angle.i that has 2 procedures, 52 locations, 1 initial locations, 1 loop locations, and 10 error locations.
[2024-11-13 16:02:48,822 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-13 16:02:48,839 INFO L333 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, 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;@6ad12049, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-13 16:02:48,840 INFO L334 AbstractCegarLoop]: Starting to check reachability of 10 error locations.
[2024-11-13 16:02:48,844 INFO L276 IsEmpty]: Start isEmpty. Operand has 52 states, 32 states have (on average 1.5625) internal successors, (50), 43 states have internal predecessors, (50), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8)
[2024-11-13 16:02:48,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8
[2024-11-13 16:02:48,852 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-13 16:02:48,853 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1]
[2024-11-13 16:02:48,853 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] ===
[2024-11-13 16:02:48,860 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 16:02:48,861 INFO L85 PathProgramCache]: Analyzing trace with hash 1805030953, now seen corresponding path program 1 times
[2024-11-13 16:02:48,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 16:02:48,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458434239]
[2024-11-13 16:02:48,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 16:02:48,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 16:02:48,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:49,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-13 16:02:49,075 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 16:02:49,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [458434239]
[2024-11-13 16:02:49,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [458434239] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 16:02:49,076 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-13 16:02:49,076 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-13 16:02:49,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675077099]
[2024-11-13 16:02:49,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 16:02:49,084 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-13 16:02:49,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 16:02:49,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-13 16:02:49,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-13 16:02:49,109 INFO L87 Difference]: Start difference. First operand has 52 states, 32 states have (on average 1.5625) internal successors, (50), 43 states have internal predecessors, (50), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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)
[2024-11-13 16:02:49,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 16:02:49,185 INFO L93 Difference]: Finished difference Result 95 states and 128 transitions.
[2024-11-13 16:02:49,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-13 16:02:49,190 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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 7
[2024-11-13 16:02:49,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 16:02:49,197 INFO L225 Difference]: With dead ends: 95
[2024-11-13 16:02:49,197 INFO L226 Difference]: Without dead ends: 44
[2024-11-13 16:02:49,202 INFO L431 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
[2024-11-13 16:02:49,208 INFO L432 NwaCegarLoop]: 58 mSDtfsCounter, 29 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-13 16:02:49,209 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 74 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-13 16:02:49,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states.
[2024-11-13 16:02:49,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44.
[2024-11-13 16:02:49,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 26 states have (on average 1.3846153846153846) internal successors, (36), 35 states have internal predecessors, (36), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8)
[2024-11-13 16:02:49,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 52 transitions.
[2024-11-13 16:02:49,258 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 52 transitions. Word has length 7
[2024-11-13 16:02:49,258 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-13 16:02:49,258 INFO L471 AbstractCegarLoop]: Abstraction has 44 states and 52 transitions.
[2024-11-13 16:02:49,258 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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)
[2024-11-13 16:02:49,259 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 52 transitions.
[2024-11-13 16:02:49,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9
[2024-11-13 16:02:49,259 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-13 16:02:49,259 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-13 16:02:49,260 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-13 16:02:49,260 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] ===
[2024-11-13 16:02:49,260 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 16:02:49,261 INFO L85 PathProgramCache]: Analyzing trace with hash 121384750, now seen corresponding path program 1 times
[2024-11-13 16:02:49,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 16:02:49,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38899973]
[2024-11-13 16:02:49,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 16:02:49,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 16:02:49,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:49,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-13 16:02:49,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 16:02:49,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [38899973]
[2024-11-13 16:02:49,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [38899973] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 16:02:49,344 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-13 16:02:49,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-13 16:02:49,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003742749]
[2024-11-13 16:02:49,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 16:02:49,345 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-13 16:02:49,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 16:02:49,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-13 16:02:49,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-13 16:02:49,346 INFO L87 Difference]: Start difference. First operand 44 states and 52 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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)
[2024-11-13 16:02:49,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 16:02:49,372 INFO L93 Difference]: Finished difference Result 44 states and 52 transitions.
[2024-11-13 16:02:49,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-13 16:02:49,374 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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 8
[2024-11-13 16:02:49,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 16:02:49,375 INFO L225 Difference]: With dead ends: 44
[2024-11-13 16:02:49,376 INFO L226 Difference]: Without dead ends: 43
[2024-11-13 16:02:49,376 INFO L431 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
[2024-11-13 16:02:49,377 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 25 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-13 16:02:49,379 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 59 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-13 16:02:49,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states.
[2024-11-13 16:02:49,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43.
[2024-11-13 16:02:49,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 26 states have (on average 1.3461538461538463) internal successors, (35), 34 states have internal predecessors, (35), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8)
[2024-11-13 16:02:49,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 51 transitions.
[2024-11-13 16:02:49,396 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 51 transitions. Word has length 8
[2024-11-13 16:02:49,396 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-13 16:02:49,398 INFO L471 AbstractCegarLoop]: Abstraction has 43 states and 51 transitions.
[2024-11-13 16:02:49,398 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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)
[2024-11-13 16:02:49,398 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 51 transitions.
[2024-11-13 16:02:49,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23
[2024-11-13 16:02:49,399 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-13 16:02:49,399 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-13 16:02:49,400 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-13 16:02:49,401 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] ===
[2024-11-13 16:02:49,401 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 16:02:49,402 INFO L85 PathProgramCache]: Analyzing trace with hash 985973847, now seen corresponding path program 1 times
[2024-11-13 16:02:49,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 16:02:49,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217558887]
[2024-11-13 16:02:49,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 16:02:49,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 16:02:49,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:49,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2024-11-13 16:02:49,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:49,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15
[2024-11-13 16:02:49,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:49,655 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2024-11-13 16:02:49,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 16:02:49,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [217558887]
[2024-11-13 16:02:49,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [217558887] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 16:02:49,659 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-13 16:02:49,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-13 16:02:49,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004394689]
[2024-11-13 16:02:49,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 16:02:49,660 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-13 16:02:49,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 16:02:49,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-13 16:02:49,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-13 16:02:49,662 INFO L87 Difference]: Start difference. First operand 43 states and 51 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-11-13 16:02:49,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 16:02:49,731 INFO L93 Difference]: Finished difference Result 56 states and 70 transitions.
[2024-11-13 16:02:49,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-13 16:02:49,732 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 22
[2024-11-13 16:02:49,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 16:02:49,733 INFO L225 Difference]: With dead ends: 56
[2024-11-13 16:02:49,733 INFO L226 Difference]: Without dead ends: 54
[2024-11-13 16:02:49,734 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-13 16:02:49,734 INFO L432 NwaCegarLoop]: 45 mSDtfsCounter, 4 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-13 16:02:49,735 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 126 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-13 16:02:49,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states.
[2024-11-13 16:02:49,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 51.
[2024-11-13 16:02:49,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 32 states have (on average 1.34375) internal successors, (43), 39 states have internal predecessors, (43), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10)
[2024-11-13 16:02:49,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 63 transitions.
[2024-11-13 16:02:49,760 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 63 transitions. Word has length 22
[2024-11-13 16:02:49,761 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-13 16:02:49,761 INFO L471 AbstractCegarLoop]: Abstraction has 51 states and 63 transitions.
[2024-11-13 16:02:49,761 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-11-13 16:02:49,761 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 63 transitions.
[2024-11-13 16:02:49,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24
[2024-11-13 16:02:49,762 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-13 16:02:49,762 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-13 16:02:49,762 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-13 16:02:49,762 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] ===
[2024-11-13 16:02:49,763 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 16:02:49,764 INFO L85 PathProgramCache]: Analyzing trace with hash 142777112, now seen corresponding path program 1 times
[2024-11-13 16:02:49,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 16:02:49,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945981562]
[2024-11-13 16:02:49,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 16:02:49,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 16:02:49,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:49,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11
[2024-11-13 16:02:49,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:49,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16
[2024-11-13 16:02:49,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:49,929 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2024-11-13 16:02:49,929 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 16:02:49,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [945981562]
[2024-11-13 16:02:49,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [945981562] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 16:02:49,929 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-13 16:02:49,929 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-13 16:02:49,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473920555]
[2024-11-13 16:02:49,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 16:02:49,930 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-13 16:02:49,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 16:02:49,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-13 16:02:49,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-13 16:02:49,931 INFO L87 Difference]: Start difference. First operand 51 states and 63 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-11-13 16:02:49,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 16:02:49,980 INFO L93 Difference]: Finished difference Result 58 states and 72 transitions.
[2024-11-13 16:02:49,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-13 16:02:49,981 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 23
[2024-11-13 16:02:49,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 16:02:49,982 INFO L225 Difference]: With dead ends: 58
[2024-11-13 16:02:49,982 INFO L226 Difference]: Without dead ends: 56
[2024-11-13 16:02:49,982 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-13 16:02:49,983 INFO L432 NwaCegarLoop]: 45 mSDtfsCounter, 3 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-13 16:02:49,984 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 126 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-13 16:02:49,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states.
[2024-11-13 16:02:49,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56.
[2024-11-13 16:02:49,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 35 states have (on average 1.3142857142857143) internal successors, (46), 42 states have internal predecessors, (46), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12)
[2024-11-13 16:02:50,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 70 transitions.
[2024-11-13 16:02:50,001 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 70 transitions. Word has length 23
[2024-11-13 16:02:50,001 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-13 16:02:50,001 INFO L471 AbstractCegarLoop]: Abstraction has 56 states and 70 transitions.
[2024-11-13 16:02:50,001 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-11-13 16:02:50,002 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 70 transitions.
[2024-11-13 16:02:50,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27
[2024-11-13 16:02:50,006 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-13 16:02:50,006 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-13 16:02:50,006 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-11-13 16:02:50,007 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] ===
[2024-11-13 16:02:50,007 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 16:02:50,007 INFO L85 PathProgramCache]: Analyzing trace with hash 1455396086, now seen corresponding path program 1 times
[2024-11-13 16:02:50,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 16:02:50,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [967357869]
[2024-11-13 16:02:50,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 16:02:50,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 16:02:50,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:50,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11
[2024-11-13 16:02:50,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:50,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16
[2024-11-13 16:02:50,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:50,125 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2024-11-13 16:02:50,125 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 16:02:50,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [967357869]
[2024-11-13 16:02:50,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [967357869] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 16:02:50,125 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-13 16:02:50,125 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-13 16:02:50,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834125326]
[2024-11-13 16:02:50,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 16:02:50,126 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-13 16:02:50,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 16:02:50,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-13 16:02:50,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-13 16:02:50,127 INFO L87 Difference]: Start difference. First operand 56 states and 70 transitions. Second operand has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-11-13 16:02:50,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 16:02:50,163 INFO L93 Difference]: Finished difference Result 68 states and 83 transitions.
[2024-11-13 16:02:50,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-13 16:02:50,164 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 26
[2024-11-13 16:02:50,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 16:02:50,165 INFO L225 Difference]: With dead ends: 68
[2024-11-13 16:02:50,165 INFO L226 Difference]: Without dead ends: 66
[2024-11-13 16:02:50,166 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-13 16:02:50,167 INFO L432 NwaCegarLoop]: 48 mSDtfsCounter, 10 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 137 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
[2024-11-13 16:02:50,167 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 137 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-13 16:02:50,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states.
[2024-11-13 16:02:50,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 59.
[2024-11-13 16:02:50,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 38 states have (on average 1.2894736842105263) internal successors, (49), 45 states have internal predecessors, (49), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12)
[2024-11-13 16:02:50,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 73 transitions.
[2024-11-13 16:02:50,177 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 73 transitions. Word has length 26
[2024-11-13 16:02:50,177 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-13 16:02:50,178 INFO L471 AbstractCegarLoop]: Abstraction has 59 states and 73 transitions.
[2024-11-13 16:02:50,178 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-11-13 16:02:50,178 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 73 transitions.
[2024-11-13 16:02:50,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36
[2024-11-13 16:02:50,179 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-13 16:02:50,179 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-13 16:02:50,179 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-11-13 16:02:50,179 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] ===
[2024-11-13 16:02:50,180 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 16:02:50,180 INFO L85 PathProgramCache]: Analyzing trace with hash 1731894541, now seen corresponding path program 1 times
[2024-11-13 16:02:50,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 16:02:50,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632743056]
[2024-11-13 16:02:50,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 16:02:50,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 16:02:50,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:50,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2024-11-13 16:02:50,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:50,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15
[2024-11-13 16:02:50,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:50,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23
[2024-11-13 16:02:50,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:50,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28
[2024-11-13 16:02:50,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:50,300 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked.
[2024-11-13 16:02:50,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 16:02:50,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [632743056]
[2024-11-13 16:02:50,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [632743056] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 16:02:50,300 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-13 16:02:50,300 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-13 16:02:50,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388737264]
[2024-11-13 16:02:50,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 16:02:50,301 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-13 16:02:50,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 16:02:50,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-13 16:02:50,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2024-11-13 16:02:50,302 INFO L87 Difference]: Start difference. First operand 59 states and 73 transitions. Second operand has 6 states, 5 states have (on average 3.6) internal successors, (18), 6 states have internal predecessors, (18), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4)
[2024-11-13 16:02:50,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 16:02:50,420 INFO L93 Difference]: Finished difference Result 65 states and 81 transitions.
[2024-11-13 16:02:50,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-13 16:02:50,421 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.6) internal successors, (18), 6 states have internal predecessors, (18), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 35
[2024-11-13 16:02:50,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 16:02:50,422 INFO L225 Difference]: With dead ends: 65
[2024-11-13 16:02:50,422 INFO L226 Difference]: Without dead ends: 64
[2024-11-13 16:02:50,422 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2024-11-13 16:02:50,423 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 4 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 191 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-13 16:02:50,423 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 191 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-13 16:02:50,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states.
[2024-11-13 16:02:50,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 63.
[2024-11-13 16:02:50,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 40 states have (on average 1.275) internal successors, (51), 47 states have internal predecessors, (51), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14)
[2024-11-13 16:02:50,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 79 transitions.
[2024-11-13 16:02:50,433 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 79 transitions. Word has length 35
[2024-11-13 16:02:50,433 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-13 16:02:50,433 INFO L471 AbstractCegarLoop]: Abstraction has 63 states and 79 transitions.
[2024-11-13 16:02:50,433 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.6) internal successors, (18), 6 states have internal predecessors, (18), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4)
[2024-11-13 16:02:50,433 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 79 transitions.
[2024-11-13 16:02:50,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37
[2024-11-13 16:02:50,434 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-13 16:02:50,434 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-13 16:02:50,434 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-11-13 16:02:50,435 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] ===
[2024-11-13 16:02:50,435 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 16:02:50,435 INFO L85 PathProgramCache]: Analyzing trace with hash -2145843976, now seen corresponding path program 1 times
[2024-11-13 16:02:50,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 16:02:50,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [230354495]
[2024-11-13 16:02:50,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 16:02:50,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 16:02:50,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:50,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2024-11-13 16:02:50,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:50,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15
[2024-11-13 16:02:50,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:50,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23
[2024-11-13 16:02:50,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:50,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28
[2024-11-13 16:02:50,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:50,617 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked.
[2024-11-13 16:02:50,619 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 16:02:50,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [230354495]
[2024-11-13 16:02:50,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [230354495] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 16:02:50,619 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-13 16:02:50,619 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-13 16:02:50,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30693858]
[2024-11-13 16:02:50,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 16:02:50,620 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-13 16:02:50,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 16:02:50,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-13 16:02:50,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2024-11-13 16:02:50,621 INFO L87 Difference]: Start difference. First operand 63 states and 79 transitions. Second operand has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 states have internal predecessors, (19), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4)
[2024-11-13 16:02:50,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 16:02:50,719 INFO L93 Difference]: Finished difference Result 65 states and 80 transitions.
[2024-11-13 16:02:50,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-13 16:02:50,719 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 states have internal predecessors, (19), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 36
[2024-11-13 16:02:50,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 16:02:50,720 INFO L225 Difference]: With dead ends: 65
[2024-11-13 16:02:50,720 INFO L226 Difference]: Without dead ends: 54
[2024-11-13 16:02:50,721 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2024-11-13 16:02:50,721 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 6 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-13 16:02:50,722 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 161 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-13 16:02:50,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states.
[2024-11-13 16:02:50,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54.
[2024-11-13 16:02:50,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 35 states have (on average 1.2571428571428571) internal successors, (44), 42 states have internal predecessors, (44), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10)
[2024-11-13 16:02:50,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 64 transitions.
[2024-11-13 16:02:50,741 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 64 transitions. Word has length 36
[2024-11-13 16:02:50,741 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-13 16:02:50,741 INFO L471 AbstractCegarLoop]: Abstraction has 54 states and 64 transitions.
[2024-11-13 16:02:50,741 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 states have internal predecessors, (19), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4)
[2024-11-13 16:02:50,742 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 64 transitions.
[2024-11-13 16:02:50,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52
[2024-11-13 16:02:50,743 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-13 16:02:50,743 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 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, 1, 1, 1, 1, 1, 1]
[2024-11-13 16:02:50,743 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2024-11-13 16:02:50,743 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] ===
[2024-11-13 16:02:50,744 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 16:02:50,744 INFO L85 PathProgramCache]: Analyzing trace with hash -1006636983, now seen corresponding path program 1 times
[2024-11-13 16:02:50,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 16:02:50,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025398371]
[2024-11-13 16:02:50,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 16:02:50,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 16:02:50,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:50,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11
[2024-11-13 16:02:50,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:50,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16
[2024-11-13 16:02:50,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:50,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27
[2024-11-13 16:02:50,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:50,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32
[2024-11-13 16:02:50,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:50,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39
[2024-11-13 16:02:50,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:50,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44
[2024-11-13 16:02:50,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:50,941 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked.
[2024-11-13 16:02:50,941 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 16:02:50,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2025398371]
[2024-11-13 16:02:50,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2025398371] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-13 16:02:50,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1219495603]
[2024-11-13 16:02:50,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 16:02:50,942 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-13 16:02:50,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3
[2024-11-13 16:02:50,947 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-13 16:02:50,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-11-13 16:02:51,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:51,036 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-11-13 16:02:51,042 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-13 16:02:51,160 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked.
[2024-11-13 16:02:51,160 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-13 16:02:51,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1219495603] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 16:02:51,160 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-13 16:02:51,160 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7
[2024-11-13 16:02:51,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47094684]
[2024-11-13 16:02:51,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 16:02:51,161 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-13 16:02:51,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 16:02:51,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-13 16:02:51,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56
[2024-11-13 16:02:51,162 INFO L87 Difference]: Start difference. First operand 54 states and 64 transitions. Second operand has 6 states, 5 states have (on average 4.8) internal successors, (24), 6 states have internal predecessors, (24), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6)
[2024-11-13 16:02:51,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 16:02:51,246 INFO L93 Difference]: Finished difference Result 54 states and 64 transitions.
[2024-11-13 16:02:51,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-13 16:02:51,247 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.8) internal successors, (24), 6 states have internal predecessors, (24), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 51
[2024-11-13 16:02:51,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 16:02:51,248 INFO L225 Difference]: With dead ends: 54
[2024-11-13 16:02:51,249 INFO L226 Difference]: Without dead ends: 52
[2024-11-13 16:02:51,249 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56
[2024-11-13 16:02:51,250 INFO L432 NwaCegarLoop]: 44 mSDtfsCounter, 6 mSDsluCounter, 130 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 174 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-13 16:02:51,250 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 174 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-13 16:02:51,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states.
[2024-11-13 16:02:51,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52.
[2024-11-13 16:02:51,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 35 states have (on average 1.2) internal successors, (42), 40 states have internal predecessors, (42), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10)
[2024-11-13 16:02:51,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 62 transitions.
[2024-11-13 16:02:51,258 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 62 transitions. Word has length 51
[2024-11-13 16:02:51,258 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-13 16:02:51,258 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 62 transitions.
[2024-11-13 16:02:51,258 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.8) internal successors, (24), 6 states have internal predecessors, (24), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6)
[2024-11-13 16:02:51,259 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 62 transitions.
[2024-11-13 16:02:51,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53
[2024-11-13 16:02:51,259 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-13 16:02:51,260 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1]
[2024-11-13 16:02:51,278 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-11-13 16:02:51,460 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-13 16:02:51,460 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] ===
[2024-11-13 16:02:51,461 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 16:02:51,461 INFO L85 PathProgramCache]: Analyzing trace with hash -1140975307, now seen corresponding path program 1 times
[2024-11-13 16:02:51,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 16:02:51,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532945129]
[2024-11-13 16:02:51,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 16:02:51,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 16:02:51,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:51,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11
[2024-11-13 16:02:51,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:51,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16
[2024-11-13 16:02:51,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:51,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27
[2024-11-13 16:02:51,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:51,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32
[2024-11-13 16:02:51,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:51,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39
[2024-11-13 16:02:51,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:51,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44
[2024-11-13 16:02:51,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:51,635 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked.
[2024-11-13 16:02:51,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 16:02:51,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1532945129]
[2024-11-13 16:02:51,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1532945129] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-13 16:02:51,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1469186883]
[2024-11-13 16:02:51,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 16:02:51,636 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-13 16:02:51,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3
[2024-11-13 16:02:51,639 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-13 16:02:51,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-11-13 16:02:51,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:51,704 INFO L255 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-11-13 16:02:51,706 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-13 16:02:51,785 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked.
[2024-11-13 16:02:51,786 INFO L311 TraceCheckSpWp]: Computing backward predicates...
[2024-11-13 16:02:51,931 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked.
[2024-11-13 16:02:51,931 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1469186883] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-13 16:02:51,931 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-13 16:02:51,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11
[2024-11-13 16:02:51,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1355760792]
[2024-11-13 16:02:51,932 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-13 16:02:51,932 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states
[2024-11-13 16:02:51,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 16:02:51,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants.
[2024-11-13 16:02:51,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132
[2024-11-13 16:02:51,933 INFO L87 Difference]: Start difference. First operand 52 states and 62 transitions. Second operand has 12 states, 11 states have (on average 4.636363636363637) internal successors, (51), 12 states have internal predecessors, (51), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14)
[2024-11-13 16:02:52,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 16:02:52,071 INFO L93 Difference]: Finished difference Result 90 states and 119 transitions.
[2024-11-13 16:02:52,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states.
[2024-11-13 16:02:52,072 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 4.636363636363637) internal successors, (51), 12 states have internal predecessors, (51), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) Word has length 52
[2024-11-13 16:02:52,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 16:02:52,073 INFO L225 Difference]: With dead ends: 90
[2024-11-13 16:02:52,073 INFO L226 Difference]: Without dead ends: 88
[2024-11-13 16:02:52,073 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132
[2024-11-13 16:02:52,074 INFO L432 NwaCegarLoop]: 40 mSDtfsCounter, 9 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-13 16:02:52,074 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 196 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-13 16:02:52,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states.
[2024-11-13 16:02:52,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 75.
[2024-11-13 16:02:52,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 50 states have (on average 1.26) internal successors, (63), 55 states have internal predecessors, (63), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18)
[2024-11-13 16:02:52,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 99 transitions.
[2024-11-13 16:02:52,097 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 99 transitions. Word has length 52
[2024-11-13 16:02:52,097 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-13 16:02:52,097 INFO L471 AbstractCegarLoop]: Abstraction has 75 states and 99 transitions.
[2024-11-13 16:02:52,097 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 4.636363636363637) internal successors, (51), 12 states have internal predecessors, (51), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14)
[2024-11-13 16:02:52,097 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 99 transitions.
[2024-11-13 16:02:52,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56
[2024-11-13 16:02:52,098 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-13 16:02:52,098 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-13 16:02:52,121 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2024-11-13 16:02:52,299 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-13 16:02:52,299 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] ===
[2024-11-13 16:02:52,299 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 16:02:52,299 INFO L85 PathProgramCache]: Analyzing trace with hash 901740520, now seen corresponding path program 1 times
[2024-11-13 16:02:52,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 16:02:52,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293035917]
[2024-11-13 16:02:52,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 16:02:52,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 16:02:52,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:52,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11
[2024-11-13 16:02:52,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:52,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16
[2024-11-13 16:02:52,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:52,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27
[2024-11-13 16:02:52,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:52,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32
[2024-11-13 16:02:52,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:52,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40
[2024-11-13 16:02:52,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:52,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45
[2024-11-13 16:02:52,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:52,448 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked.
[2024-11-13 16:02:52,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 16:02:52,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293035917]
[2024-11-13 16:02:52,449 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [293035917] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-13 16:02:52,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [75332742]
[2024-11-13 16:02:52,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 16:02:52,453 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-13 16:02:52,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3
[2024-11-13 16:02:52,457 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-13 16:02:52,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2024-11-13 16:02:52,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:52,525 INFO L255 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-11-13 16:02:52,528 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-13 16:02:52,626 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked.
[2024-11-13 16:02:52,626 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-13 16:02:52,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [75332742] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 16:02:52,626 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-13 16:02:52,626 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7
[2024-11-13 16:02:52,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [381038205]
[2024-11-13 16:02:52,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 16:02:52,627 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-13 16:02:52,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 16:02:52,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-13 16:02:52,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56
[2024-11-13 16:02:52,628 INFO L87 Difference]: Start difference. First operand 75 states and 99 transitions. Second operand has 6 states, 5 states have (on average 5.6) internal successors, (28), 6 states have internal predecessors, (28), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6)
[2024-11-13 16:02:52,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 16:02:52,684 INFO L93 Difference]: Finished difference Result 75 states and 99 transitions.
[2024-11-13 16:02:52,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-13 16:02:52,685 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.6) internal successors, (28), 6 states have internal predecessors, (28), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 55
[2024-11-13 16:02:52,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 16:02:52,687 INFO L225 Difference]: With dead ends: 75
[2024-11-13 16:02:52,687 INFO L226 Difference]: Without dead ends: 74
[2024-11-13 16:02:52,687 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56
[2024-11-13 16:02:52,688 INFO L432 NwaCegarLoop]: 54 mSDtfsCounter, 23 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-13 16:02:52,688 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 132 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-13 16:02:52,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states.
[2024-11-13 16:02:52,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74.
[2024-11-13 16:02:52,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 50 states have (on average 1.22) internal successors, (61), 54 states have internal predecessors, (61), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18)
[2024-11-13 16:02:52,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 97 transitions.
[2024-11-13 16:02:52,709 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 97 transitions. Word has length 55
[2024-11-13 16:02:52,709 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-13 16:02:52,709 INFO L471 AbstractCegarLoop]: Abstraction has 74 states and 97 transitions.
[2024-11-13 16:02:52,709 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.6) internal successors, (28), 6 states have internal predecessors, (28), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6)
[2024-11-13 16:02:52,710 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 97 transitions.
[2024-11-13 16:02:52,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57
[2024-11-13 16:02:52,714 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-13 16:02:52,715 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-13 16:02:52,734 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0
[2024-11-13 16:02:52,915 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9
[2024-11-13 16:02:52,915 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] ===
[2024-11-13 16:02:52,916 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 16:02:52,916 INFO L85 PathProgramCache]: Analyzing trace with hash -2110814870, now seen corresponding path program 1 times
[2024-11-13 16:02:52,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 16:02:52,916 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76788148]
[2024-11-13 16:02:52,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 16:02:52,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 16:02:52,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:53,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11
[2024-11-13 16:02:53,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:53,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16
[2024-11-13 16:02:53,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:53,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27
[2024-11-13 16:02:53,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:53,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32
[2024-11-13 16:02:53,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:53,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40
[2024-11-13 16:02:53,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:53,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45
[2024-11-13 16:02:53,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:53,107 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked.
[2024-11-13 16:02:53,107 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 16:02:53,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [76788148]
[2024-11-13 16:02:53,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [76788148] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-13 16:02:53,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2018805144]
[2024-11-13 16:02:53,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 16:02:53,107 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-13 16:02:53,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3
[2024-11-13 16:02:53,111 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-13 16:02:53,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2024-11-13 16:02:53,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:53,182 INFO L255 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-11-13 16:02:53,184 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-13 16:02:53,271 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked.
[2024-11-13 16:02:53,271 INFO L311 TraceCheckSpWp]: Computing backward predicates...
[2024-11-13 16:02:53,427 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked.
[2024-11-13 16:02:53,427 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2018805144] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-13 16:02:53,428 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-13 16:02:53,428 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11
[2024-11-13 16:02:53,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857923481]
[2024-11-13 16:02:53,428 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-13 16:02:53,428 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states
[2024-11-13 16:02:53,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 16:02:53,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants.
[2024-11-13 16:02:53,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132
[2024-11-13 16:02:53,429 INFO L87 Difference]: Start difference. First operand 74 states and 97 transitions. Second operand has 12 states, 11 states have (on average 5.636363636363637) internal successors, (62), 12 states have internal predecessors, (62), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14)
[2024-11-13 16:02:53,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 16:02:53,573 INFO L93 Difference]: Finished difference Result 130 states and 169 transitions.
[2024-11-13 16:02:53,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states.
[2024-11-13 16:02:53,573 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.636363636363637) internal successors, (62), 12 states have internal predecessors, (62), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) Word has length 56
[2024-11-13 16:02:53,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 16:02:53,577 INFO L225 Difference]: With dead ends: 130
[2024-11-13 16:02:53,577 INFO L226 Difference]: Without dead ends: 129
[2024-11-13 16:02:53,577 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132
[2024-11-13 16:02:53,578 INFO L432 NwaCegarLoop]: 45 mSDtfsCounter, 39 mSDsluCounter, 277 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 322 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-13 16:02:53,579 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 322 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-13 16:02:53,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states.
[2024-11-13 16:02:53,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 95.
[2024-11-13 16:02:53,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 65 states have (on average 1.2153846153846153) internal successors, (79), 69 states have internal predecessors, (79), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24)
[2024-11-13 16:02:53,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 127 transitions.
[2024-11-13 16:02:53,599 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 127 transitions. Word has length 56
[2024-11-13 16:02:53,600 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-13 16:02:53,600 INFO L471 AbstractCegarLoop]: Abstraction has 95 states and 127 transitions.
[2024-11-13 16:02:53,600 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.636363636363637) internal successors, (62), 12 states have internal predecessors, (62), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14)
[2024-11-13 16:02:53,600 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 127 transitions.
[2024-11-13 16:02:53,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65
[2024-11-13 16:02:53,601 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-13 16:02:53,601 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-13 16:02:53,621 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0
[2024-11-13 16:02:53,802 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-13 16:02:53,802 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] ===
[2024-11-13 16:02:53,802 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 16:02:53,803 INFO L85 PathProgramCache]: Analyzing trace with hash -1167725989, now seen corresponding path program 1 times
[2024-11-13 16:02:53,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 16:02:53,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207359014]
[2024-11-13 16:02:53,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 16:02:53,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 16:02:53,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:53,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11
[2024-11-13 16:02:53,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:53,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16
[2024-11-13 16:02:53,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:53,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27
[2024-11-13 16:02:53,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:53,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32
[2024-11-13 16:02:53,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:53,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39
[2024-11-13 16:02:53,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:53,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44
[2024-11-13 16:02:53,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:53,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52
[2024-11-13 16:02:53,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:53,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57
[2024-11-13 16:02:53,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:54,005 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked.
[2024-11-13 16:02:54,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 16:02:54,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1207359014]
[2024-11-13 16:02:54,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1207359014] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-13 16:02:54,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1556706852]
[2024-11-13 16:02:54,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 16:02:54,007 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-13 16:02:54,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3
[2024-11-13 16:02:54,009 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-13 16:02:54,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2024-11-13 16:02:54,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:54,077 INFO L255 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 7 conjuncts are in the unsatisfiable core
[2024-11-13 16:02:54,080 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-13 16:02:54,175 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked.
[2024-11-13 16:02:54,175 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-13 16:02:54,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1556706852] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 16:02:54,175 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-13 16:02:54,175 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 9
[2024-11-13 16:02:54,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673091272]
[2024-11-13 16:02:54,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 16:02:54,176 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2024-11-13 16:02:54,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 16:02:54,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2024-11-13 16:02:54,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90
[2024-11-13 16:02:54,177 INFO L87 Difference]: Start difference. First operand 95 states and 127 transitions. Second operand has 8 states, 7 states have (on average 3.857142857142857) internal successors, (27), 8 states have internal predecessors, (27), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8)
[2024-11-13 16:02:54,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 16:02:54,277 INFO L93 Difference]: Finished difference Result 95 states and 127 transitions.
[2024-11-13 16:02:54,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2024-11-13 16:02:54,278 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 3.857142857142857) internal successors, (27), 8 states have internal predecessors, (27), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 64
[2024-11-13 16:02:54,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 16:02:54,279 INFO L225 Difference]: With dead ends: 95
[2024-11-13 16:02:54,279 INFO L226 Difference]: Without dead ends: 94
[2024-11-13 16:02:54,280 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90
[2024-11-13 16:02:54,280 INFO L432 NwaCegarLoop]: 40 mSDtfsCounter, 5 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 202 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-13 16:02:54,281 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 202 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-13 16:02:54,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states.
[2024-11-13 16:02:54,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94.
[2024-11-13 16:02:54,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 65 states have (on average 1.2) internal successors, (78), 68 states have internal predecessors, (78), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24)
[2024-11-13 16:02:54,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 126 transitions.
[2024-11-13 16:02:54,297 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 126 transitions. Word has length 64
[2024-11-13 16:02:54,298 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-13 16:02:54,298 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 126 transitions.
[2024-11-13 16:02:54,298 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 3.857142857142857) internal successors, (27), 8 states have internal predecessors, (27), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8)
[2024-11-13 16:02:54,298 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 126 transitions.
[2024-11-13 16:02:54,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66
[2024-11-13 16:02:54,299 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-13 16:02:54,300 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-13 16:02:54,320 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0
[2024-11-13 16:02:54,504 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-13 16:02:54,504 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] ===
[2024-11-13 16:02:54,505 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 16:02:54,505 INFO L85 PathProgramCache]: Analyzing trace with hash -1839767190, now seen corresponding path program 1 times
[2024-11-13 16:02:54,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 16:02:54,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585258352]
[2024-11-13 16:02:54,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 16:02:54,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 16:02:54,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:54,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11
[2024-11-13 16:02:54,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:54,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16
[2024-11-13 16:02:54,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:54,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27
[2024-11-13 16:02:54,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:54,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32
[2024-11-13 16:02:54,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:54,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39
[2024-11-13 16:02:54,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:54,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44
[2024-11-13 16:02:54,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:54,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52
[2024-11-13 16:02:54,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:54,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57
[2024-11-13 16:02:54,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:54,702 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked.
[2024-11-13 16:02:54,702 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 16:02:54,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585258352]
[2024-11-13 16:02:54,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [585258352] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-13 16:02:54,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2034395302]
[2024-11-13 16:02:54,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 16:02:54,703 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-13 16:02:54,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3
[2024-11-13 16:02:54,705 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-13 16:02:54,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process
[2024-11-13 16:02:54,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:54,767 INFO L255 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 7 conjuncts are in the unsatisfiable core
[2024-11-13 16:02:54,769 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-13 16:02:54,860 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked.
[2024-11-13 16:02:54,861 INFO L311 TraceCheckSpWp]: Computing backward predicates...
[2024-11-13 16:02:55,050 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked.
[2024-11-13 16:02:55,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2034395302] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-13 16:02:55,050 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-13 16:02:55,050 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 15
[2024-11-13 16:02:55,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [57071121]
[2024-11-13 16:02:55,050 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-13 16:02:55,053 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states
[2024-11-13 16:02:55,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 16:02:55,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants.
[2024-11-13 16:02:55,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240
[2024-11-13 16:02:55,054 INFO L87 Difference]: Start difference. First operand 94 states and 126 transitions. Second operand has 16 states, 15 states have (on average 3.8) internal successors, (57), 16 states have internal predecessors, (57), 7 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 7 states have call predecessors, (18), 7 states have call successors, (18)
[2024-11-13 16:02:55,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 16:02:55,225 INFO L93 Difference]: Finished difference Result 110 states and 147 transitions.
[2024-11-13 16:02:55,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states.
[2024-11-13 16:02:55,225 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 3.8) internal successors, (57), 16 states have internal predecessors, (57), 7 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 7 states have call predecessors, (18), 7 states have call successors, (18) Word has length 65
[2024-11-13 16:02:55,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 16:02:55,226 INFO L225 Difference]: With dead ends: 110
[2024-11-13 16:02:55,227 INFO L226 Difference]: Without dead ends: 89
[2024-11-13 16:02:55,227 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240
[2024-11-13 16:02:55,228 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 9 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 272 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-13 16:02:55,228 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 272 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-13 16:02:55,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states.
[2024-11-13 16:02:55,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89.
[2024-11-13 16:02:55,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 62 states have (on average 1.1451612903225807) internal successors, (71), 65 states have internal predecessors, (71), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22)
[2024-11-13 16:02:55,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 115 transitions.
[2024-11-13 16:02:55,242 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 115 transitions. Word has length 65
[2024-11-13 16:02:55,242 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-13 16:02:55,242 INFO L471 AbstractCegarLoop]: Abstraction has 89 states and 115 transitions.
[2024-11-13 16:02:55,242 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 3.8) internal successors, (57), 16 states have internal predecessors, (57), 7 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 7 states have call predecessors, (18), 7 states have call successors, (18)
[2024-11-13 16:02:55,242 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 115 transitions.
[2024-11-13 16:02:55,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83
[2024-11-13 16:02:55,243 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-13 16:02:55,243 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-13 16:02:55,263 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0
[2024-11-13 16:02:55,447 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12
[2024-11-13 16:02:55,447 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] ===
[2024-11-13 16:02:55,448 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 16:02:55,448 INFO L85 PathProgramCache]: Analyzing trace with hash 380409204, now seen corresponding path program 1 times
[2024-11-13 16:02:55,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 16:02:55,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1777166589]
[2024-11-13 16:02:55,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 16:02:55,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 16:02:55,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:55,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11
[2024-11-13 16:02:55,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:55,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16
[2024-11-13 16:02:55,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:55,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27
[2024-11-13 16:02:55,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:55,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32
[2024-11-13 16:02:55,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:55,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40
[2024-11-13 16:02:55,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:55,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45
[2024-11-13 16:02:55,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:55,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56
[2024-11-13 16:02:55,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:55,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61
[2024-11-13 16:02:55,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:55,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69
[2024-11-13 16:02:55,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:55,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74
[2024-11-13 16:02:55,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:55,652 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked.
[2024-11-13 16:02:55,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 16:02:55,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1777166589]
[2024-11-13 16:02:55,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1777166589] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-13 16:02:55,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [903251225]
[2024-11-13 16:02:55,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 16:02:55,652 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-13 16:02:55,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3
[2024-11-13 16:02:55,654 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-13 16:02:55,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process
[2024-11-13 16:02:55,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:55,725 INFO L255 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 7 conjuncts are in the unsatisfiable core
[2024-11-13 16:02:55,728 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-13 16:02:55,821 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked.
[2024-11-13 16:02:55,821 INFO L311 TraceCheckSpWp]: Computing backward predicates...
[2024-11-13 16:02:55,996 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked.
[2024-11-13 16:02:55,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [903251225] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-13 16:02:55,996 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-13 16:02:55,997 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 15
[2024-11-13 16:02:55,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792737119]
[2024-11-13 16:02:55,997 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-13 16:02:55,997 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states
[2024-11-13 16:02:55,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 16:02:55,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants.
[2024-11-13 16:02:55,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240
[2024-11-13 16:02:55,998 INFO L87 Difference]: Start difference. First operand 89 states and 115 transitions. Second operand has 16 states, 15 states have (on average 4.733333333333333) internal successors, (71), 16 states have internal predecessors, (71), 7 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 7 states have call predecessors, (22), 7 states have call successors, (22)
[2024-11-13 16:02:56,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 16:02:56,185 INFO L93 Difference]: Finished difference Result 123 states and 168 transitions.
[2024-11-13 16:02:56,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states.
[2024-11-13 16:02:56,186 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 4.733333333333333) internal successors, (71), 16 states have internal predecessors, (71), 7 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 7 states have call predecessors, (22), 7 states have call successors, (22) Word has length 82
[2024-11-13 16:02:56,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 16:02:56,187 INFO L225 Difference]: With dead ends: 123
[2024-11-13 16:02:56,187 INFO L226 Difference]: Without dead ends: 122
[2024-11-13 16:02:56,188 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 175 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240
[2024-11-13 16:02:56,188 INFO L432 NwaCegarLoop]: 41 mSDtfsCounter, 10 mSDsluCounter, 255 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 296 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-11-13 16:02:56,189 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 296 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-11-13 16:02:56,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states.
[2024-11-13 16:02:56,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 112.
[2024-11-13 16:02:56,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 77 states have (on average 1.155844155844156) internal successors, (89), 80 states have internal predecessors, (89), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30)
[2024-11-13 16:02:56,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 149 transitions.
[2024-11-13 16:02:56,202 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 149 transitions. Word has length 82
[2024-11-13 16:02:56,202 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-13 16:02:56,202 INFO L471 AbstractCegarLoop]: Abstraction has 112 states and 149 transitions.
[2024-11-13 16:02:56,202 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 4.733333333333333) internal successors, (71), 16 states have internal predecessors, (71), 7 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 7 states have call predecessors, (22), 7 states have call successors, (22)
[2024-11-13 16:02:56,203 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 149 transitions.
[2024-11-13 16:02:56,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111
[2024-11-13 16:02:56,204 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-13 16:02:56,204 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-13 16:02:56,224 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0
[2024-11-13 16:02:56,408 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13
[2024-11-13 16:02:56,409 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] ===
[2024-11-13 16:02:56,409 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 16:02:56,409 INFO L85 PathProgramCache]: Analyzing trace with hash -1840413067, now seen corresponding path program 2 times
[2024-11-13 16:02:56,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 16:02:56,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143914678]
[2024-11-13 16:02:56,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 16:02:56,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 16:02:56,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:56,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11
[2024-11-13 16:02:56,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:56,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16
[2024-11-13 16:02:56,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:56,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27
[2024-11-13 16:02:56,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:56,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32
[2024-11-13 16:02:56,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:56,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40
[2024-11-13 16:02:56,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:56,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45
[2024-11-13 16:02:56,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:56,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56
[2024-11-13 16:02:56,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:56,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61
[2024-11-13 16:02:56,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:56,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69
[2024-11-13 16:02:56,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:56,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74
[2024-11-13 16:02:56,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:56,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85
[2024-11-13 16:02:56,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:56,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90
[2024-11-13 16:02:56,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:56,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97
[2024-11-13 16:02:56,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:56,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102
[2024-11-13 16:02:56,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:56,645 INFO L134 CoverageAnalysis]: Checked inductivity of 409 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked.
[2024-11-13 16:02:56,645 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 16:02:56,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2143914678]
[2024-11-13 16:02:56,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2143914678] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-13 16:02:56,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [95707552]
[2024-11-13 16:02:56,645 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-11-13 16:02:56,646 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-13 16:02:56,646 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3
[2024-11-13 16:02:56,648 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-13 16:02:56,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process
[2024-11-13 16:02:56,725 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-11-13 16:02:56,725 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-13 16:02:56,726 INFO L255 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 9 conjuncts are in the unsatisfiable core
[2024-11-13 16:02:56,729 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-13 16:02:56,840 INFO L134 CoverageAnalysis]: Checked inductivity of 409 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked.
[2024-11-13 16:02:56,841 INFO L311 TraceCheckSpWp]: Computing backward predicates...
[2024-11-13 16:02:57,070 INFO L134 CoverageAnalysis]: Checked inductivity of 409 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked.
[2024-11-13 16:02:57,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [95707552] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-13 16:02:57,071 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-13 16:02:57,071 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 19
[2024-11-13 16:02:57,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883782796]
[2024-11-13 16:02:57,071 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-13 16:02:57,072 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states
[2024-11-13 16:02:57,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 16:02:57,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants.
[2024-11-13 16:02:57,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=285, Unknown=0, NotChecked=0, Total=380
[2024-11-13 16:02:57,073 INFO L87 Difference]: Start difference. First operand 112 states and 149 transitions. Second operand has 20 states, 19 states have (on average 4.578947368421052) internal successors, (87), 20 states have internal predecessors, (87), 9 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 9 states have call predecessors, (30), 9 states have call successors, (30)
[2024-11-13 16:02:57,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 16:02:57,277 INFO L93 Difference]: Finished difference Result 145 states and 198 transitions.
[2024-11-13 16:02:57,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states.
[2024-11-13 16:02:57,278 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 4.578947368421052) internal successors, (87), 20 states have internal predecessors, (87), 9 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 9 states have call predecessors, (30), 9 states have call successors, (30) Word has length 110
[2024-11-13 16:02:57,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 16:02:57,279 INFO L225 Difference]: With dead ends: 145
[2024-11-13 16:02:57,281 INFO L226 Difference]: Without dead ends: 144
[2024-11-13 16:02:57,281 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 255 GetRequests, 237 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 103 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=95, Invalid=285, Unknown=0, NotChecked=0, Total=380
[2024-11-13 16:02:57,283 INFO L432 NwaCegarLoop]: 38 mSDtfsCounter, 14 mSDsluCounter, 262 mSDsCounter, 0 mSdLazyCounter, 151 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 300 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 151 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-11-13 16:02:57,284 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 300 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 151 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-11-13 16:02:57,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states.
[2024-11-13 16:02:57,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 125.
[2024-11-13 16:02:57,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 86 states have (on average 1.1744186046511629) internal successors, (101), 89 states have internal predecessors, (101), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34)
[2024-11-13 16:02:57,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 169 transitions.
[2024-11-13 16:02:57,305 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 169 transitions. Word has length 110
[2024-11-13 16:02:57,305 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-13 16:02:57,305 INFO L471 AbstractCegarLoop]: Abstraction has 125 states and 169 transitions.
[2024-11-13 16:02:57,306 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 4.578947368421052) internal successors, (87), 20 states have internal predecessors, (87), 9 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 9 states have call predecessors, (30), 9 states have call successors, (30)
[2024-11-13 16:02:57,306 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 169 transitions.
[2024-11-13 16:02:57,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124
[2024-11-13 16:02:57,307 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-13 16:02:57,307 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-13 16:02:57,327 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0
[2024-11-13 16:02:57,511 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-13 16:02:57,512 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] ===
[2024-11-13 16:02:57,512 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 16:02:57,512 INFO L85 PathProgramCache]: Analyzing trace with hash -1699513302, now seen corresponding path program 2 times
[2024-11-13 16:02:57,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 16:02:57,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1096037409]
[2024-11-13 16:02:57,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 16:02:57,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 16:02:57,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:57,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11
[2024-11-13 16:02:57,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:57,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16
[2024-11-13 16:02:57,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:57,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27
[2024-11-13 16:02:57,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:57,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32
[2024-11-13 16:02:57,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:57,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40
[2024-11-13 16:02:57,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:57,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45
[2024-11-13 16:02:57,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:57,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56
[2024-11-13 16:02:57,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:57,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61
[2024-11-13 16:02:57,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:57,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69
[2024-11-13 16:02:57,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:57,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74
[2024-11-13 16:02:57,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:57,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85
[2024-11-13 16:02:57,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:57,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90
[2024-11-13 16:02:57,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:57,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97
[2024-11-13 16:02:57,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:57,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102
[2024-11-13 16:02:57,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:57,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110
[2024-11-13 16:02:57,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:57,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115
[2024-11-13 16:02:57,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:57,804 INFO L134 CoverageAnalysis]: Checked inductivity of 525 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked.
[2024-11-13 16:02:57,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 16:02:57,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1096037409]
[2024-11-13 16:02:57,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1096037409] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-13 16:02:57,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1896702189]
[2024-11-13 16:02:57,804 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-11-13 16:02:57,805 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-13 16:02:57,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3
[2024-11-13 16:02:57,807 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-13 16:02:57,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process
[2024-11-13 16:02:57,883 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-11-13 16:02:57,883 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-13 16:02:57,884 INFO L255 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 11 conjuncts are in the unsatisfiable core
[2024-11-13 16:02:57,887 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-13 16:02:58,004 INFO L134 CoverageAnalysis]: Checked inductivity of 525 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked.
[2024-11-13 16:02:58,004 INFO L311 TraceCheckSpWp]: Computing backward predicates...
[2024-11-13 16:02:58,303 INFO L134 CoverageAnalysis]: Checked inductivity of 525 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked.
[2024-11-13 16:02:58,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1896702189] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-13 16:02:58,303 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-13 16:02:58,303 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 23
[2024-11-13 16:02:58,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280855522]
[2024-11-13 16:02:58,304 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-13 16:02:58,305 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states
[2024-11-13 16:02:58,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 16:02:58,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants.
[2024-11-13 16:02:58,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=123, Invalid=429, Unknown=0, NotChecked=0, Total=552
[2024-11-13 16:02:58,307 INFO L87 Difference]: Start difference. First operand 125 states and 169 transitions. Second operand has 24 states, 23 states have (on average 4.043478260869565) internal successors, (93), 24 states have internal predecessors, (93), 11 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 11 states have call predecessors, (34), 11 states have call successors, (34)
[2024-11-13 16:02:58,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 16:02:58,546 INFO L93 Difference]: Finished difference Result 152 states and 205 transitions.
[2024-11-13 16:02:58,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states.
[2024-11-13 16:02:58,547 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 4.043478260869565) internal successors, (93), 24 states have internal predecessors, (93), 11 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 11 states have call predecessors, (34), 11 states have call successors, (34) Word has length 123
[2024-11-13 16:02:58,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 16:02:58,549 INFO L225 Difference]: With dead ends: 152
[2024-11-13 16:02:58,549 INFO L226 Difference]: Without dead ends: 125
[2024-11-13 16:02:58,549 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 287 GetRequests, 265 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 150 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=123, Invalid=429, Unknown=0, NotChecked=0, Total=552
[2024-11-13 16:02:58,551 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 21 mSDsluCounter, 341 mSDsCounter, 0 mSdLazyCounter, 200 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 378 SdHoareTripleChecker+Invalid, 204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-11-13 16:02:58,551 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 378 Invalid, 204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 200 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-11-13 16:02:58,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states.
[2024-11-13 16:02:58,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 120.
[2024-11-13 16:02:58,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 83 states have (on average 1.0843373493975903) internal successors, (90), 86 states have internal predecessors, (90), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32)
[2024-11-13 16:02:58,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 154 transitions.
[2024-11-13 16:02:58,567 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 154 transitions. Word has length 123
[2024-11-13 16:02:58,567 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-13 16:02:58,567 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 154 transitions.
[2024-11-13 16:02:58,568 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 4.043478260869565) internal successors, (93), 24 states have internal predecessors, (93), 11 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 11 states have call predecessors, (34), 11 states have call successors, (34)
[2024-11-13 16:02:58,569 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 154 transitions.
[2024-11-13 16:02:58,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144
[2024-11-13 16:02:58,570 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-13 16:02:58,570 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-13 16:02:58,590 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0
[2024-11-13 16:02:58,770 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15
[2024-11-13 16:02:58,771 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] ===
[2024-11-13 16:02:58,771 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 16:02:58,771 INFO L85 PathProgramCache]: Analyzing trace with hash -607621220, now seen corresponding path program 2 times
[2024-11-13 16:02:58,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 16:02:58,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683955927]
[2024-11-13 16:02:58,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 16:02:58,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 16:02:58,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:59,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11
[2024-11-13 16:02:59,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:59,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16
[2024-11-13 16:02:59,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:59,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27
[2024-11-13 16:02:59,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:59,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32
[2024-11-13 16:02:59,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:59,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40
[2024-11-13 16:02:59,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:59,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45
[2024-11-13 16:02:59,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:59,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56
[2024-11-13 16:02:59,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:59,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61
[2024-11-13 16:02:59,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:59,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69
[2024-11-13 16:02:59,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:59,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74
[2024-11-13 16:02:59,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:59,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85
[2024-11-13 16:02:59,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:59,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90
[2024-11-13 16:02:59,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:59,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98
[2024-11-13 16:02:59,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:59,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103
[2024-11-13 16:02:59,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:59,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114
[2024-11-13 16:02:59,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:59,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119
[2024-11-13 16:02:59,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:59,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127
[2024-11-13 16:02:59,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:59,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132
[2024-11-13 16:02:59,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:59,056 INFO L134 CoverageAnalysis]: Checked inductivity of 734 backedges. 0 proven. 122 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked.
[2024-11-13 16:02:59,056 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 16:02:59,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1683955927]
[2024-11-13 16:02:59,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1683955927] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-13 16:02:59,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1958400592]
[2024-11-13 16:02:59,056 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-11-13 16:02:59,057 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-13 16:02:59,057 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3
[2024-11-13 16:02:59,059 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-13 16:02:59,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process
[2024-11-13 16:02:59,142 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-11-13 16:02:59,142 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-13 16:02:59,144 INFO L255 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 11 conjuncts are in the unsatisfiable core
[2024-11-13 16:02:59,147 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-13 16:02:59,275 INFO L134 CoverageAnalysis]: Checked inductivity of 734 backedges. 0 proven. 122 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked.
[2024-11-13 16:02:59,275 INFO L311 TraceCheckSpWp]: Computing backward predicates...
[2024-11-13 16:02:59,588 INFO L134 CoverageAnalysis]: Checked inductivity of 734 backedges. 0 proven. 122 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked.
[2024-11-13 16:02:59,588 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1958400592] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-13 16:02:59,588 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-13 16:02:59,588 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 23
[2024-11-13 16:02:59,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469120846]
[2024-11-13 16:02:59,588 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-13 16:02:59,589 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states
[2024-11-13 16:02:59,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 16:02:59,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants.
[2024-11-13 16:02:59,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=397, Unknown=0, NotChecked=0, Total=552
[2024-11-13 16:02:59,591 INFO L87 Difference]: Start difference. First operand 120 states and 154 transitions. Second operand has 24 states, 23 states have (on average 5.043478260869565) internal successors, (116), 24 states have internal predecessors, (116), 11 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 11 states have call predecessors, (38), 11 states have call successors, (38)
[2024-11-13 16:02:59,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 16:02:59,793 INFO L93 Difference]: Finished difference Result 208 states and 274 transitions.
[2024-11-13 16:02:59,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states.
[2024-11-13 16:02:59,794 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 5.043478260869565) internal successors, (116), 24 states have internal predecessors, (116), 11 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 11 states have call predecessors, (38), 11 states have call successors, (38) Word has length 143
[2024-11-13 16:02:59,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 16:02:59,796 INFO L225 Difference]: With dead ends: 208
[2024-11-13 16:02:59,796 INFO L226 Difference]: Without dead ends: 207
[2024-11-13 16:02:59,797 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 331 GetRequests, 309 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 159 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=155, Invalid=397, Unknown=0, NotChecked=0, Total=552
[2024-11-13 16:02:59,797 INFO L432 NwaCegarLoop]: 44 mSDtfsCounter, 42 mSDsluCounter, 334 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 378 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-11-13 16:02:59,798 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 378 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-11-13 16:02:59,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states.
[2024-11-13 16:02:59,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 167.
[2024-11-13 16:02:59,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 167 states, 116 states have (on average 1.1293103448275863) internal successors, (131), 119 states have internal predecessors, (131), 46 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46)
[2024-11-13 16:02:59,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 223 transitions.
[2024-11-13 16:02:59,815 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 223 transitions. Word has length 143
[2024-11-13 16:02:59,816 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-13 16:02:59,816 INFO L471 AbstractCegarLoop]: Abstraction has 167 states and 223 transitions.
[2024-11-13 16:02:59,816 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 5.043478260869565) internal successors, (116), 24 states have internal predecessors, (116), 11 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 11 states have call predecessors, (38), 11 states have call successors, (38)
[2024-11-13 16:02:59,817 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 223 transitions.
[2024-11-13 16:02:59,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199
[2024-11-13 16:02:59,819 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-13 16:02:59,819 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-13 16:02:59,839 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0
[2024-11-13 16:03:00,023 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16
[2024-11-13 16:03:00,023 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] ===
[2024-11-13 16:03:00,024 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 16:03:00,024 INFO L85 PathProgramCache]: Analyzing trace with hash -1034747916, now seen corresponding path program 2 times
[2024-11-13 16:03:00,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 16:03:00,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1787372642]
[2024-11-13 16:03:00,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 16:03:00,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 16:03:00,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:00,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11
[2024-11-13 16:03:00,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:00,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16
[2024-11-13 16:03:00,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:00,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27
[2024-11-13 16:03:00,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:00,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32
[2024-11-13 16:03:00,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:00,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40
[2024-11-13 16:03:00,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:00,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45
[2024-11-13 16:03:00,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:00,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56
[2024-11-13 16:03:00,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:00,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61
[2024-11-13 16:03:00,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:00,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69
[2024-11-13 16:03:00,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:00,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74
[2024-11-13 16:03:00,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:00,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85
[2024-11-13 16:03:00,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:00,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90
[2024-11-13 16:03:00,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:00,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98
[2024-11-13 16:03:00,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:00,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103
[2024-11-13 16:03:00,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:00,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114
[2024-11-13 16:03:00,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:00,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119
[2024-11-13 16:03:00,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:00,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127
[2024-11-13 16:03:00,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:00,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132
[2024-11-13 16:03:00,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:00,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143
[2024-11-13 16:03:00,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:00,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148
[2024-11-13 16:03:00,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:00,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156
[2024-11-13 16:03:00,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:00,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161
[2024-11-13 16:03:00,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:00,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172
[2024-11-13 16:03:00,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:00,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177
[2024-11-13 16:03:00,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:00,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185
[2024-11-13 16:03:00,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:00,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190
[2024-11-13 16:03:00,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:00,491 INFO L134 CoverageAnalysis]: Checked inductivity of 1543 backedges. 0 proven. 243 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked.
[2024-11-13 16:03:00,491 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 16:03:00,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1787372642]
[2024-11-13 16:03:00,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1787372642] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-13 16:03:00,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1353748779]
[2024-11-13 16:03:00,492 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-11-13 16:03:00,492 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-13 16:03:00,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3
[2024-11-13 16:03:00,494 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-13 16:03:00,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process
[2024-11-13 16:03:00,593 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-11-13 16:03:00,593 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-13 16:03:00,598 INFO L255 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 15 conjuncts are in the unsatisfiable core
[2024-11-13 16:03:00,602 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-13 16:03:00,765 INFO L134 CoverageAnalysis]: Checked inductivity of 1543 backedges. 0 proven. 243 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked.
[2024-11-13 16:03:00,766 INFO L311 TraceCheckSpWp]: Computing backward predicates...
[2024-11-13 16:03:01,272 INFO L134 CoverageAnalysis]: Checked inductivity of 1543 backedges. 0 proven. 243 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked.
[2024-11-13 16:03:01,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1353748779] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-13 16:03:01,273 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-13 16:03:01,273 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 31
[2024-11-13 16:03:01,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [936811600]
[2024-11-13 16:03:01,273 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-13 16:03:01,274 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 32 states
[2024-11-13 16:03:01,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 16:03:01,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants.
[2024-11-13 16:03:01,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=271, Invalid=721, Unknown=0, NotChecked=0, Total=992
[2024-11-13 16:03:01,277 INFO L87 Difference]: Start difference. First operand 167 states and 223 transitions. Second operand has 32 states, 31 states have (on average 4.612903225806452) internal successors, (143), 32 states have internal predecessors, (143), 15 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 15 states have call predecessors, (54), 15 states have call successors, (54)
[2024-11-13 16:03:01,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 16:03:01,586 INFO L93 Difference]: Finished difference Result 241 states and 338 transitions.
[2024-11-13 16:03:01,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states.
[2024-11-13 16:03:01,587 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 31 states have (on average 4.612903225806452) internal successors, (143), 32 states have internal predecessors, (143), 15 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 15 states have call predecessors, (54), 15 states have call successors, (54) Word has length 198
[2024-11-13 16:03:01,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 16:03:01,590 INFO L225 Difference]: With dead ends: 241
[2024-11-13 16:03:01,591 INFO L226 Difference]: Without dead ends: 240
[2024-11-13 16:03:01,591 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 461 GetRequests, 431 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 295 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=271, Invalid=721, Unknown=0, NotChecked=0, Total=992
[2024-11-13 16:03:01,592 INFO L432 NwaCegarLoop]: 41 mSDtfsCounter, 46 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 165 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 271 SdHoareTripleChecker+Invalid, 190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-11-13 16:03:01,592 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 271 Invalid, 190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-11-13 16:03:01,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states.
[2024-11-13 16:03:01,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 216.
[2024-11-13 16:03:01,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 149 states have (on average 1.1476510067114094) internal successors, (171), 152 states have internal predecessors, (171), 62 states have call successors, (62), 1 states have call predecessors, (62), 1 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62)
[2024-11-13 16:03:01,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 295 transitions.
[2024-11-13 16:03:01,620 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 295 transitions. Word has length 198
[2024-11-13 16:03:01,621 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-13 16:03:01,622 INFO L471 AbstractCegarLoop]: Abstraction has 216 states and 295 transitions.
[2024-11-13 16:03:01,622 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 31 states have (on average 4.612903225806452) internal successors, (143), 32 states have internal predecessors, (143), 15 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 15 states have call predecessors, (54), 15 states have call successors, (54)
[2024-11-13 16:03:01,622 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 295 transitions.
[2024-11-13 16:03:01,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227
[2024-11-13 16:03:01,624 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-13 16:03:01,625 INFO L215 NwaCegarLoop]: trace histogram [30, 30, 30, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-13 16:03:01,650 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0
[2024-11-13 16:03:01,830 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17
[2024-11-13 16:03:01,831 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] ===
[2024-11-13 16:03:01,831 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 16:03:01,831 INFO L85 PathProgramCache]: Analyzing trace with hash -1518128907, now seen corresponding path program 3 times
[2024-11-13 16:03:01,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 16:03:01,832 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777944458]
[2024-11-13 16:03:01,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 16:03:01,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 16:03:01,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:02,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11
[2024-11-13 16:03:02,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:02,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16
[2024-11-13 16:03:02,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:02,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27
[2024-11-13 16:03:02,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:02,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32
[2024-11-13 16:03:02,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:02,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40
[2024-11-13 16:03:02,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:02,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45
[2024-11-13 16:03:02,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:02,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56
[2024-11-13 16:03:02,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:02,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61
[2024-11-13 16:03:02,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:02,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69
[2024-11-13 16:03:02,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:02,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74
[2024-11-13 16:03:02,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:02,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85
[2024-11-13 16:03:02,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:02,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90
[2024-11-13 16:03:02,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:02,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98
[2024-11-13 16:03:02,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:02,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103
[2024-11-13 16:03:02,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:02,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114
[2024-11-13 16:03:02,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:02,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119
[2024-11-13 16:03:02,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:02,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127
[2024-11-13 16:03:02,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:02,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132
[2024-11-13 16:03:02,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:02,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143
[2024-11-13 16:03:02,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:02,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148
[2024-11-13 16:03:02,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:02,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156
[2024-11-13 16:03:02,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:02,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161
[2024-11-13 16:03:02,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:02,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172
[2024-11-13 16:03:02,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:02,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177
[2024-11-13 16:03:02,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:02,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185
[2024-11-13 16:03:02,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:02,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190
[2024-11-13 16:03:02,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:02,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201
[2024-11-13 16:03:02,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:02,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206
[2024-11-13 16:03:02,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:02,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213
[2024-11-13 16:03:02,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:02,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218
[2024-11-13 16:03:02,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:02,368 INFO L134 CoverageAnalysis]: Checked inductivity of 2027 backedges. 0 proven. 287 refuted. 0 times theorem prover too weak. 1740 trivial. 0 not checked.
[2024-11-13 16:03:02,368 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 16:03:02,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [777944458]
[2024-11-13 16:03:02,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [777944458] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-13 16:03:02,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1439931893]
[2024-11-13 16:03:02,368 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2024-11-13 16:03:02,369 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-13 16:03:02,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3
[2024-11-13 16:03:02,371 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-13 16:03:02,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process
[2024-11-13 16:03:02,433 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s)
[2024-11-13 16:03:02,434 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-13 16:03:02,435 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 8 conjuncts are in the unsatisfiable core
[2024-11-13 16:03:02,439 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-13 16:03:02,710 INFO L134 CoverageAnalysis]: Checked inductivity of 2027 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 1940 trivial. 0 not checked.
[2024-11-13 16:03:02,710 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-13 16:03:02,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1439931893] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 16:03:02,711 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-13 16:03:02,711 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [17] total 22
[2024-11-13 16:03:02,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149527138]
[2024-11-13 16:03:02,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 16:03:02,711 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-11-13 16:03:02,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 16:03:02,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-11-13 16:03:02,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=405, Unknown=0, NotChecked=0, Total=506
[2024-11-13 16:03:02,712 INFO L87 Difference]: Start difference. First operand 216 states and 295 transitions. Second operand has 7 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 1 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6)
[2024-11-13 16:03:02,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 16:03:02,863 INFO L93 Difference]: Finished difference Result 216 states and 295 transitions.
[2024-11-13 16:03:02,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2024-11-13 16:03:02,863 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 1 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6) Word has length 226
[2024-11-13 16:03:02,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 16:03:02,865 INFO L225 Difference]: With dead ends: 216
[2024-11-13 16:03:02,865 INFO L226 Difference]: Without dead ends: 215
[2024-11-13 16:03:02,866 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 304 GetRequests, 281 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=109, Invalid=491, Unknown=0, NotChecked=0, Total=600
[2024-11-13 16:03:02,866 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 14 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-13 16:03:02,867 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 122 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-13 16:03:02,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states.
[2024-11-13 16:03:02,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 215.
[2024-11-13 16:03:02,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 149 states have (on average 1.1409395973154361) internal successors, (170), 151 states have internal predecessors, (170), 62 states have call successors, (62), 1 states have call predecessors, (62), 1 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62)
[2024-11-13 16:03:02,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 294 transitions.
[2024-11-13 16:03:02,917 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 294 transitions. Word has length 226
[2024-11-13 16:03:02,919 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-13 16:03:02,920 INFO L471 AbstractCegarLoop]: Abstraction has 215 states and 294 transitions.
[2024-11-13 16:03:02,920 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 1 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6)
[2024-11-13 16:03:02,921 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 294 transitions.
[2024-11-13 16:03:02,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240
[2024-11-13 16:03:02,924 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-13 16:03:02,924 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-13 16:03:02,943 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0
[2024-11-13 16:03:03,124 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-13 16:03:03,124 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] ===
[2024-11-13 16:03:03,125 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 16:03:03,125 INFO L85 PathProgramCache]: Analyzing trace with hash 1550246314, now seen corresponding path program 3 times
[2024-11-13 16:03:03,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 16:03:03,125 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [294228559]
[2024-11-13 16:03:03,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 16:03:03,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 16:03:03,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:03,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11
[2024-11-13 16:03:03,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:03,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16
[2024-11-13 16:03:03,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:03,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27
[2024-11-13 16:03:03,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:03,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32
[2024-11-13 16:03:03,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:03,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40
[2024-11-13 16:03:03,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:03,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45
[2024-11-13 16:03:03,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:03,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56
[2024-11-13 16:03:03,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:03,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61
[2024-11-13 16:03:03,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:03,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69
[2024-11-13 16:03:03,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:03,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74
[2024-11-13 16:03:03,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:03,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85
[2024-11-13 16:03:03,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:03,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90
[2024-11-13 16:03:03,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:03,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98
[2024-11-13 16:03:03,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:03,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103
[2024-11-13 16:03:03,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:03,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114
[2024-11-13 16:03:03,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:03,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119
[2024-11-13 16:03:03,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:03,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127
[2024-11-13 16:03:03,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:03,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132
[2024-11-13 16:03:03,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:03,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143
[2024-11-13 16:03:03,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:03,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148
[2024-11-13 16:03:03,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:03,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156
[2024-11-13 16:03:03,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:03,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161
[2024-11-13 16:03:03,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:03,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172
[2024-11-13 16:03:03,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:03,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177
[2024-11-13 16:03:03,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:03,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185
[2024-11-13 16:03:03,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:03,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190
[2024-11-13 16:03:03,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:03,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201
[2024-11-13 16:03:03,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:03,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206
[2024-11-13 16:03:03,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:03,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213
[2024-11-13 16:03:03,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:03,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218
[2024-11-13 16:03:03,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:03,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226
[2024-11-13 16:03:03,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:03,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231
[2024-11-13 16:03:03,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:03,711 INFO L134 CoverageAnalysis]: Checked inductivity of 2271 backedges. 0 proven. 287 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked.
[2024-11-13 16:03:03,711 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 16:03:03,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [294228559]
[2024-11-13 16:03:03,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [294228559] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-13 16:03:03,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [541982739]
[2024-11-13 16:03:03,711 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2024-11-13 16:03:03,711 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-13 16:03:03,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3
[2024-11-13 16:03:03,714 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-13 16:03:03,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process
[2024-11-13 16:03:03,780 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s)
[2024-11-13 16:03:03,780 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-13 16:03:03,781 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 8 conjuncts are in the unsatisfiable core
[2024-11-13 16:03:03,784 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-13 16:03:04,050 INFO L134 CoverageAnalysis]: Checked inductivity of 2271 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 2178 trivial. 0 not checked.
[2024-11-13 16:03:04,050 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-13 16:03:04,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [541982739] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 16:03:04,051 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-13 16:03:04,051 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [19] total 24
[2024-11-13 16:03:04,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273002197]
[2024-11-13 16:03:04,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 16:03:04,051 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-11-13 16:03:04,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 16:03:04,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-11-13 16:03:04,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=486, Unknown=0, NotChecked=0, Total=600
[2024-11-13 16:03:04,053 INFO L87 Difference]: Start difference. First operand 215 states and 294 transitions. Second operand has 7 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 1 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 1 states have call successors, (8)
[2024-11-13 16:03:04,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 16:03:04,192 INFO L93 Difference]: Finished difference Result 215 states and 294 transitions.
[2024-11-13 16:03:04,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2024-11-13 16:03:04,192 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 1 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 1 states have call successors, (8) Word has length 239
[2024-11-13 16:03:04,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 16:03:04,194 INFO L225 Difference]: With dead ends: 215
[2024-11-13 16:03:04,194 INFO L226 Difference]: Without dead ends: 204
[2024-11-13 16:03:04,195 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 323 GetRequests, 298 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 139 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=122, Invalid=580, Unknown=0, NotChecked=0, Total=702
[2024-11-13 16:03:04,195 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 10 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-13 16:03:04,196 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 121 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-13 16:03:04,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states.
[2024-11-13 16:03:04,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 204.
[2024-11-13 16:03:04,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 143 states have (on average 1.034965034965035) internal successors, (148), 144 states have internal predecessors, (148), 58 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58)
[2024-11-13 16:03:04,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 264 transitions.
[2024-11-13 16:03:04,220 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 264 transitions. Word has length 239
[2024-11-13 16:03:04,221 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-13 16:03:04,221 INFO L471 AbstractCegarLoop]: Abstraction has 204 states and 264 transitions.
[2024-11-13 16:03:04,221 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 1 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 1 states have call successors, (8)
[2024-11-13 16:03:04,221 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 264 transitions.
[2024-11-13 16:03:04,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318
[2024-11-13 16:03:04,226 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-13 16:03:04,226 INFO L215 NwaCegarLoop]: trace histogram [42, 42, 42, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-13 16:03:04,246 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0
[2024-11-13 16:03:04,430 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-13 16:03:04,431 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] ===
[2024-11-13 16:03:04,431 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 16:03:04,431 INFO L85 PathProgramCache]: Analyzing trace with hash -1561296932, now seen corresponding path program 3 times
[2024-11-13 16:03:04,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 16:03:04,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831868096]
[2024-11-13 16:03:04,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 16:03:04,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 16:03:04,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:05,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11
[2024-11-13 16:03:05,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:05,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16
[2024-11-13 16:03:05,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:05,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27
[2024-11-13 16:03:05,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:05,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32
[2024-11-13 16:03:05,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:05,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40
[2024-11-13 16:03:05,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:05,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45
[2024-11-13 16:03:05,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:05,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56
[2024-11-13 16:03:05,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:05,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61
[2024-11-13 16:03:05,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:05,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69
[2024-11-13 16:03:05,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:05,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74
[2024-11-13 16:03:05,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:05,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85
[2024-11-13 16:03:05,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:05,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90
[2024-11-13 16:03:05,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:05,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98
[2024-11-13 16:03:05,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:05,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103
[2024-11-13 16:03:05,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:05,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114
[2024-11-13 16:03:05,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:05,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119
[2024-11-13 16:03:05,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:05,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127
[2024-11-13 16:03:05,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:05,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132
[2024-11-13 16:03:05,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:05,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143
[2024-11-13 16:03:05,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:05,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148
[2024-11-13 16:03:05,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:05,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156
[2024-11-13 16:03:05,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:05,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161
[2024-11-13 16:03:05,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:05,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172
[2024-11-13 16:03:05,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:05,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177
[2024-11-13 16:03:05,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:05,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185
[2024-11-13 16:03:05,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:05,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190
[2024-11-13 16:03:05,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:05,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201
[2024-11-13 16:03:05,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:05,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206
[2024-11-13 16:03:05,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:05,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214
[2024-11-13 16:03:05,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:05,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219
[2024-11-13 16:03:05,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:05,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230
[2024-11-13 16:03:05,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:05,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235
[2024-11-13 16:03:05,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:05,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243
[2024-11-13 16:03:05,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:05,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248
[2024-11-13 16:03:05,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:05,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259
[2024-11-13 16:03:05,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:05,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264
[2024-11-13 16:03:05,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:05,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272
[2024-11-13 16:03:05,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:05,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277
[2024-11-13 16:03:05,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:05,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288
[2024-11-13 16:03:05,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:05,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293
[2024-11-13 16:03:05,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:05,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301
[2024-11-13 16:03:05,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:05,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306
[2024-11-13 16:03:05,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:05,277 INFO L134 CoverageAnalysis]: Checked inductivity of 4139 backedges. 0 proven. 695 refuted. 0 times theorem prover too weak. 3444 trivial. 0 not checked.
[2024-11-13 16:03:05,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 16:03:05,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [831868096]
[2024-11-13 16:03:05,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [831868096] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-13 16:03:05,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [664024]
[2024-11-13 16:03:05,277 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2024-11-13 16:03:05,278 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-13 16:03:05,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3
[2024-11-13 16:03:05,280 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-13 16:03:05,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process
[2024-11-13 16:03:05,353 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s)
[2024-11-13 16:03:05,354 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-13 16:03:05,355 INFO L255 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 8 conjuncts are in the unsatisfiable core
[2024-11-13 16:03:05,364 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-13 16:03:05,697 INFO L134 CoverageAnalysis]: Checked inductivity of 4139 backedges. 117 proven. 116 refuted. 0 times theorem prover too weak. 3906 trivial. 0 not checked.
[2024-11-13 16:03:05,697 INFO L311 TraceCheckSpWp]: Computing backward predicates...
[2024-11-13 16:03:06,193 INFO L134 CoverageAnalysis]: Checked inductivity of 4139 backedges. 117 proven. 116 refuted. 0 times theorem prover too weak. 3906 trivial. 0 not checked.
[2024-11-13 16:03:06,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [664024] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-13 16:03:06,194 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-13 16:03:06,194 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 6, 6] total 29
[2024-11-13 16:03:06,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999219665]
[2024-11-13 16:03:06,195 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-13 16:03:06,195 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 30 states
[2024-11-13 16:03:06,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 16:03:06,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants.
[2024-11-13 16:03:06,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=191, Invalid=679, Unknown=0, NotChecked=0, Total=870
[2024-11-13 16:03:06,197 INFO L87 Difference]: Start difference. First operand 204 states and 264 transitions. Second operand has 30 states, 29 states have (on average 4.827586206896552) internal successors, (140), 30 states have internal predecessors, (140), 13 states have call successors, (48), 1 states have call predecessors, (48), 2 states have return successors, (49), 13 states have call predecessors, (49), 13 states have call successors, (49)
[2024-11-13 16:03:06,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 16:03:06,890 INFO L93 Difference]: Finished difference Result 204 states and 264 transitions.
[2024-11-13 16:03:06,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states.
[2024-11-13 16:03:06,891 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 29 states have (on average 4.827586206896552) internal successors, (140), 30 states have internal predecessors, (140), 13 states have call successors, (48), 1 states have call predecessors, (48), 2 states have return successors, (49), 13 states have call predecessors, (49), 13 states have call successors, (49) Word has length 317
[2024-11-13 16:03:06,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 16:03:06,893 INFO L225 Difference]: With dead ends: 204
[2024-11-13 16:03:06,893 INFO L226 Difference]: Without dead ends: 203
[2024-11-13 16:03:06,895 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 763 GetRequests, 709 SyntacticMatches, 2 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 512 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=551, Invalid=2311, Unknown=0, NotChecked=0, Total=2862
[2024-11-13 16:03:06,896 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 2 mSDsluCounter, 202 mSDsCounter, 0 mSdLazyCounter, 182 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 221 SdHoareTripleChecker+Invalid, 184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-11-13 16:03:06,896 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 221 Invalid, 184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 182 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-11-13 16:03:06,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states.
[2024-11-13 16:03:06,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 203.
[2024-11-13 16:03:06,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 143 states have (on average 1.006993006993007) internal successors, (144), 143 states have internal predecessors, (144), 58 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58)
[2024-11-13 16:03:06,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 260 transitions.
[2024-11-13 16:03:06,916 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 260 transitions. Word has length 317
[2024-11-13 16:03:06,916 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-13 16:03:06,917 INFO L471 AbstractCegarLoop]: Abstraction has 203 states and 260 transitions.
[2024-11-13 16:03:06,917 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 29 states have (on average 4.827586206896552) internal successors, (140), 30 states have internal predecessors, (140), 13 states have call successors, (48), 1 states have call predecessors, (48), 2 states have return successors, (49), 13 states have call predecessors, (49), 13 states have call successors, (49)
[2024-11-13 16:03:06,917 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 260 transitions.
[2024-11-13 16:03:06,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 431
[2024-11-13 16:03:06,928 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-13 16:03:06,928 INFO L215 NwaCegarLoop]: trace histogram [58, 58, 58, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-13 16:03:06,947 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0
[2024-11-13 16:03:07,128 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20
[2024-11-13 16:03:07,129 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] ===
[2024-11-13 16:03:07,129 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 16:03:07,129 INFO L85 PathProgramCache]: Analyzing trace with hash -1391782668, now seen corresponding path program 3 times
[2024-11-13 16:03:07,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 16:03:07,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [434460169]
[2024-11-13 16:03:07,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 16:03:07,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 16:03:07,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:08,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11
[2024-11-13 16:03:08,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:08,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16
[2024-11-13 16:03:08,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:08,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27
[2024-11-13 16:03:08,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:08,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32
[2024-11-13 16:03:08,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:08,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40
[2024-11-13 16:03:08,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:08,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45
[2024-11-13 16:03:08,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:08,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56
[2024-11-13 16:03:08,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:08,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61
[2024-11-13 16:03:08,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:08,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69
[2024-11-13 16:03:08,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:08,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74
[2024-11-13 16:03:08,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:08,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85
[2024-11-13 16:03:08,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:08,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90
[2024-11-13 16:03:08,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:08,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98
[2024-11-13 16:03:08,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:08,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103
[2024-11-13 16:03:08,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:08,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114
[2024-11-13 16:03:08,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:08,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119
[2024-11-13 16:03:08,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:08,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127
[2024-11-13 16:03:08,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:08,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132
[2024-11-13 16:03:08,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:08,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143
[2024-11-13 16:03:08,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:08,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148
[2024-11-13 16:03:08,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:08,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156
[2024-11-13 16:03:08,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:08,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161
[2024-11-13 16:03:08,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:08,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172
[2024-11-13 16:03:08,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:08,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177
[2024-11-13 16:03:08,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:08,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185
[2024-11-13 16:03:08,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:08,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190
[2024-11-13 16:03:08,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:08,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201
[2024-11-13 16:03:08,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:08,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206
[2024-11-13 16:03:08,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:08,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214
[2024-11-13 16:03:08,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:08,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219
[2024-11-13 16:03:08,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:08,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230
[2024-11-13 16:03:08,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:08,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235
[2024-11-13 16:03:08,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:08,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243
[2024-11-13 16:03:08,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:08,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248
[2024-11-13 16:03:08,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:08,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259
[2024-11-13 16:03:08,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:08,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264
[2024-11-13 16:03:08,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:08,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272
[2024-11-13 16:03:08,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:08,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277
[2024-11-13 16:03:08,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:08,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288
[2024-11-13 16:03:08,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:08,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293
[2024-11-13 16:03:08,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:08,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301
[2024-11-13 16:03:08,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:08,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306
[2024-11-13 16:03:08,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:08,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317
[2024-11-13 16:03:08,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:08,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322
[2024-11-13 16:03:08,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:08,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330
[2024-11-13 16:03:08,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:08,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335
[2024-11-13 16:03:08,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:08,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346
[2024-11-13 16:03:08,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:08,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351
[2024-11-13 16:03:08,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:08,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359
[2024-11-13 16:03:08,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:08,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364
[2024-11-13 16:03:08,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:08,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375
[2024-11-13 16:03:08,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:08,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 380
[2024-11-13 16:03:08,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:08,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388
[2024-11-13 16:03:08,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:08,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 393
[2024-11-13 16:03:08,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:08,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404
[2024-11-13 16:03:08,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:08,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409
[2024-11-13 16:03:08,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:08,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417
[2024-11-13 16:03:08,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:08,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422
[2024-11-13 16:03:08,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:08,524 INFO L134 CoverageAnalysis]: Checked inductivity of 7907 backedges. 0 proven. 1295 refuted. 0 times theorem prover too weak. 6612 trivial. 0 not checked.
[2024-11-13 16:03:08,524 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 16:03:08,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [434460169]
[2024-11-13 16:03:08,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [434460169] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-13 16:03:08,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [64366904]
[2024-11-13 16:03:08,525 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2024-11-13 16:03:08,525 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-13 16:03:08,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3
[2024-11-13 16:03:08,528 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-13 16:03:08,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process
[2024-11-13 16:03:08,608 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s)
[2024-11-13 16:03:08,608 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-13 16:03:08,609 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 9 conjuncts are in the unsatisfiable core
[2024-11-13 16:03:08,620 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-13 16:03:09,114 INFO L134 CoverageAnalysis]: Checked inductivity of 7907 backedges. 171 proven. 42 refuted. 0 times theorem prover too weak. 7694 trivial. 0 not checked.
[2024-11-13 16:03:09,115 INFO L311 TraceCheckSpWp]: Computing backward predicates...
[2024-11-13 16:03:09,842 INFO L134 CoverageAnalysis]: Checked inductivity of 7907 backedges. 171 proven. 42 refuted. 0 times theorem prover too weak. 7694 trivial. 0 not checked.
[2024-11-13 16:03:09,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [64366904] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-13 16:03:09,842 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-13 16:03:09,842 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 7, 7] total 42
[2024-11-13 16:03:09,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031410938]
[2024-11-13 16:03:09,843 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-13 16:03:09,844 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 43 states
[2024-11-13 16:03:09,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 16:03:09,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants.
[2024-11-13 16:03:09,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=359, Invalid=1447, Unknown=0, NotChecked=0, Total=1806
[2024-11-13 16:03:09,846 INFO L87 Difference]: Start difference. First operand 203 states and 260 transitions. Second operand has 43 states, 42 states have (on average 4.428571428571429) internal successors, (186), 41 states have internal predecessors, (186), 17 states have call successors, (66), 1 states have call predecessors, (66), 2 states have return successors, (68), 19 states have call predecessors, (68), 17 states have call successors, (68)
[2024-11-13 16:03:11,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 16:03:11,227 INFO L93 Difference]: Finished difference Result 228 states and 294 transitions.
[2024-11-13 16:03:11,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states.
[2024-11-13 16:03:11,228 INFO L78 Accepts]: Start accepts. Automaton has has 43 states, 42 states have (on average 4.428571428571429) internal successors, (186), 41 states have internal predecessors, (186), 17 states have call successors, (66), 1 states have call predecessors, (66), 2 states have return successors, (68), 19 states have call predecessors, (68), 17 states have call successors, (68) Word has length 430
[2024-11-13 16:03:11,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 16:03:11,230 INFO L225 Difference]: With dead ends: 228
[2024-11-13 16:03:11,230 INFO L226 Difference]: Without dead ends: 0
[2024-11-13 16:03:11,232 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1041 GetRequests, 964 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1030 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=1201, Invalid=4961, Unknown=0, NotChecked=0, Total=6162
[2024-11-13 16:03:11,234 INFO L432 NwaCegarLoop]: 13 mSDtfsCounter, 172 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 237 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 170 SdHoareTripleChecker+Invalid, 318 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 237 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-11-13 16:03:11,234 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 170 Invalid, 318 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 237 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-11-13 16:03:11,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2024-11-13 16:03:11,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2024-11-13 16:03:11,235 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)
[2024-11-13 16:03:11,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2024-11-13 16:03:11,236 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 430
[2024-11-13 16:03:11,236 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-13 16:03:11,236 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2024-11-13 16:03:11,236 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 42 states have (on average 4.428571428571429) internal successors, (186), 41 states have internal predecessors, (186), 17 states have call successors, (66), 1 states have call predecessors, (66), 2 states have return successors, (68), 19 states have call predecessors, (68), 17 states have call successors, (68)
[2024-11-13 16:03:11,236 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2024-11-13 16:03:11,236 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2024-11-13 16:03:11,239 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 10 remaining)
[2024-11-13 16:03:11,240 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 10 remaining)
[2024-11-13 16:03:11,241 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 10 remaining)
[2024-11-13 16:03:11,241 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 10 remaining)
[2024-11-13 16:03:11,241 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 10 remaining)
[2024-11-13 16:03:11,241 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 10 remaining)
[2024-11-13 16:03:11,241 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 10 remaining)
[2024-11-13 16:03:11,241 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 10 remaining)
[2024-11-13 16:03:11,241 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 10 remaining)
[2024-11-13 16:03:11,242 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 10 remaining)
[2024-11-13 16:03:11,260 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0
[2024-11-13 16:03:11,442 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21
[2024-11-13 16:03:11,445 INFO L407 BasicCegarLoop]: Path program histogram: [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-13 16:03:11,446 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2024-11-13 16:03:14,148 INFO L173 ceAbstractionStarter]: Computing trace abstraction results
[2024-11-13 16:03:14,167 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 04:03:14 BoogieIcfgContainer
[2024-11-13 16:03:14,167 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-13 16:03:14,168 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-13 16:03:14,168 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-13 16:03:14,168 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-13 16:03:14,168 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:02:48" (3/4) ...
[2024-11-13 16:03:14,170 INFO L142 WitnessPrinter]: Generating witness for correct program
[2024-11-13 16:03:14,174 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert
[2024-11-13 16:03:14,177 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges
[2024-11-13 16:03:14,178 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2024-11-13 16:03:14,178 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2024-11-13 16:03:14,178 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2024-11-13 16:03:14,253 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/witness.graphml
[2024-11-13 16:03:14,254 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/witness.yml
[2024-11-13 16:03:14,254 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-13 16:03:14,255 INFO L158 Benchmark]: Toolchain (without parser) took 26236.56ms. Allocated memory was 142.6MB in the beginning and 520.1MB in the end (delta: 377.5MB). Free memory was 118.9MB in the beginning and 241.0MB in the end (delta: -122.2MB). Peak memory consumption was 249.6MB. Max. memory is 16.1GB.
[2024-11-13 16:03:14,255 INFO L158 Benchmark]: CDTParser took 0.47ms. Allocated memory is still 142.6MB. Free memory is still 80.7MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-13 16:03:14,256 INFO L158 Benchmark]: CACSL2BoogieTranslator took 246.79ms. Allocated memory is still 142.6MB. Free memory was 118.6MB in the beginning and 107.8MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-13 16:03:14,256 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.20ms. Allocated memory is still 142.6MB. Free memory was 107.8MB in the beginning and 106.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-13 16:03:14,257 INFO L158 Benchmark]: Boogie Preprocessor took 30.84ms. Allocated memory is still 142.6MB. Free memory was 106.5MB in the beginning and 105.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-13 16:03:14,258 INFO L158 Benchmark]: RCFGBuilder took 392.33ms. Allocated memory is still 142.6MB. Free memory was 105.5MB in the beginning and 93.3MB in the end (delta: 12.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-11-13 16:03:14,259 INFO L158 Benchmark]: TraceAbstraction took 25442.53ms. Allocated memory was 142.6MB in the beginning and 520.1MB in the end (delta: 377.5MB). Free memory was 92.8MB in the beginning and 245.1MB in the end (delta: -152.3MB). Peak memory consumption was 226.0MB. Max. memory is 16.1GB.
[2024-11-13 16:03:14,259 INFO L158 Benchmark]: Witness Printer took 86.50ms. Allocated memory is still 520.1MB. Free memory was 245.1MB in the beginning and 241.0MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-13 16:03:14,261 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.47ms. Allocated memory is still 142.6MB. Free memory is still 80.7MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 246.79ms. Allocated memory is still 142.6MB. Free memory was 118.6MB in the beginning and 107.8MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 30.20ms. Allocated memory is still 142.6MB. Free memory was 107.8MB in the beginning and 106.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB.
* Boogie Preprocessor took 30.84ms. Allocated memory is still 142.6MB. Free memory was 106.5MB in the beginning and 105.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 392.33ms. Allocated memory is still 142.6MB. Free memory was 105.5MB in the beginning and 93.3MB in the end (delta: 12.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* TraceAbstraction took 25442.53ms. Allocated memory was 142.6MB in the beginning and 520.1MB in the end (delta: 377.5MB). Free memory was 92.8MB in the beginning and 245.1MB in the end (delta: -152.3MB). Peak memory consumption was 226.0MB. Max. memory is 16.1GB.
* Witness Printer took 86.50ms. Allocated memory is still 520.1MB. Free memory was 245.1MB in the beginning and 241.0MB in the end (delta: 4.1MB). There was no memory consumed. 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: 36]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 36]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 43]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 43]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 45]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 45]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 51]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 51]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 54]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 54]: 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, 52 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 22.6s, OverallIterations: 22, TraceHistogramMax: 58, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.1s, AutomataDifference: 4.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 625 SdHoareTripleChecker+Valid, 2.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 503 mSDsluCounter, 4429 SdHoareTripleChecker+Invalid, 2.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3554 mSDsCounter, 155 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1996 IncrementalHoareTripleChecker+Invalid, 2151 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 155 mSolverCounterUnsat, 875 mSDtfsCounter, 1996 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4626 GetRequests, 4271 SyntacticMatches, 2 SemanticMatches, 353 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2671 ImplicationChecksByTransitivity, 4.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=216occurred in iteration=18, InterpolantAutomatonStates: 271, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 22 MinimizatonAttempts, 156 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 12.3s InterpolantComputationTime, 4579 NumberOfCodeBlocks, 3509 NumberOfCodeBlocksAsserted, 46 NumberOfCheckSat, 6108 ConstructedInterpolants, 0 QuantifiedInterpolants, 11654 SizeOfPredicates, 8 NumberOfNonLiveVariables, 2285 ConjunctsInSsa, 120 ConjunctsInUnsatCore, 47 InterpolantComputations, 12 PerfectInterpolantSequences, 51896/56287 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
- AllSpecificationsHoldResult: All specifications hold
10 specifications checked. All of them hold
- InvariantResult [Line: 37]: Loop Invariant
Derived loop invariant: ((((((((inlen <= 2147483647) && (2 <= bufferlen)) && (in <= 2147483646)) && (1 <= in)) && (bufferlen <= 2147483646)) && (buf <= 2147483646)) && (1 <= buf)) || (((((inlen <= 2147483647) && (2 <= bufferlen)) && (buf == 0)) && (bufferlen <= 2147483646)) && (in == 0)))
- ProcedureContractResult [Line: 17]: Procedure Contract for __VERIFIER_assert
Derived contract for procedure __VERIFIER_assert. Ensures: (cond != 0)
RESULT: Ultimate proved your program to be correct!
[2024-11-13 16:03:14,302 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (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