./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/Avery-FLOPS2006-Table1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51d09c9-082f-44d3-b798-7da5c0bd8ed9/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51d09c9-082f-44d3-b798-7da5c0bd8ed9/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51d09c9-082f-44d3-b798-7da5c0bd8ed9/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51d09c9-082f-44d3-b798-7da5c0bd8ed9/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/Avery-FLOPS2006-Table1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51d09c9-082f-44d3-b798-7da5c0bd8ed9/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51d09c9-082f-44d3-b798-7da5c0bd8ed9/bin/uautomizer-verify-4GaUIPS5ZU --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 9b244382de79ee7e63c5a39dc4ba4645eb8228d285c75cf6df9353c232d1a135 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 21:58:34,191 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 21:58:34,291 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51d09c9-082f-44d3-b798-7da5c0bd8ed9/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-10-31 21:58:34,299 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 21:58:34,303 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 21:58:34,340 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 21:58:34,340 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 21:58:34,341 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 21:58:34,342 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 21:58:34,344 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 21:58:34,345 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 21:58:34,346 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 21:58:34,347 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 21:58:34,347 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 21:58:34,350 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 21:58:34,351 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 21:58:34,351 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 21:58:34,352 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 21:58:34,352 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 21:58:34,352 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 21:58:34,352 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 21:58:34,354 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 21:58:34,355 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 21:58:34,355 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-31 21:58:34,356 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 21:58:34,356 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 21:58:34,356 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 21:58:34,357 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 21:58:34,357 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 21:58:34,370 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 21:58:34,370 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 21:58:34,371 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 21:58:34,371 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 21:58:34,372 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 21:58:34,373 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 21:58:34,373 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 21:58:34,374 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 21:58:34,374 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 21:58:34,374 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 21:58:34,375 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 21:58:34,375 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 21:58:34,376 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51d09c9-082f-44d3-b798-7da5c0bd8ed9/bin/uautomizer-verify-4GaUIPS5ZU/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51d09c9-082f-44d3-b798-7da5c0bd8ed9/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9b244382de79ee7e63c5a39dc4ba4645eb8228d285c75cf6df9353c232d1a135 [2024-10-31 21:58:34,701 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 21:58:34,738 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 21:58:34,742 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 21:58:34,743 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 21:58:34,744 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 21:58:34,745 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51d09c9-082f-44d3-b798-7da5c0bd8ed9/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/termination-crafted-lit/Avery-FLOPS2006-Table1.c Unable to find full path for "g++" [2024-10-31 21:58:36,726 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 21:58:36,989 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 21:58:36,990 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51d09c9-082f-44d3-b798-7da5c0bd8ed9/sv-benchmarks/c/termination-crafted-lit/Avery-FLOPS2006-Table1.c [2024-10-31 21:58:36,998 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51d09c9-082f-44d3-b798-7da5c0bd8ed9/bin/uautomizer-verify-4GaUIPS5ZU/data/3137d1887/b7b6e7260aab438fb3b59338a33cd014/FLAG20438cb04 [2024-10-31 21:58:37,012 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51d09c9-082f-44d3-b798-7da5c0bd8ed9/bin/uautomizer-verify-4GaUIPS5ZU/data/3137d1887/b7b6e7260aab438fb3b59338a33cd014 [2024-10-31 21:58:37,015 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 21:58:37,017 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 21:58:37,018 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 21:58:37,019 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 21:58:37,025 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 21:58:37,026 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 09:58:37" (1/1) ... [2024-10-31 21:58:37,028 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41472f1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:37, skipping insertion in model container [2024-10-31 21:58:37,028 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 09:58:37" (1/1) ... [2024-10-31 21:58:37,049 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 21:58:37,275 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 21:58:37,281 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 21:58:37,297 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 21:58:37,312 INFO L204 MainTranslator]: Completed translation [2024-10-31 21:58:37,312 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:37 WrapperNode [2024-10-31 21:58:37,312 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 21:58:37,314 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 21:58:37,314 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 21:58:37,314 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 21:58:37,323 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:37" (1/1) ... [2024-10-31 21:58:37,327 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:37" (1/1) ... [2024-10-31 21:58:37,344 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 39 [2024-10-31 21:58:37,345 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 21:58:37,345 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 21:58:37,345 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 21:58:37,346 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 21:58:37,355 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:37" (1/1) ... [2024-10-31 21:58:37,356 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:37" (1/1) ... [2024-10-31 21:58:37,356 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:37" (1/1) ... [2024-10-31 21:58:37,363 INFO L175 MemorySlicer]: No memory access in input program. [2024-10-31 21:58:37,363 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:37" (1/1) ... [2024-10-31 21:58:37,363 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:37" (1/1) ... [2024-10-31 21:58:37,366 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:37" (1/1) ... [2024-10-31 21:58:37,371 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:37" (1/1) ... [2024-10-31 21:58:37,375 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:37" (1/1) ... [2024-10-31 21:58:37,376 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:37" (1/1) ... [2024-10-31 21:58:37,382 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 21:58:37,383 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 21:58:37,384 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 21:58:37,384 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 21:58:37,387 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:37" (1/1) ... [2024-10-31 21:58:37,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 21:58:37,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51d09c9-082f-44d3-b798-7da5c0bd8ed9/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:37,434 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51d09c9-082f-44d3-b798-7da5c0bd8ed9/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:37,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51d09c9-082f-44d3-b798-7da5c0bd8ed9/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 21:58:37,472 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 21:58:37,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 21:58:37,580 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 21:58:37,584 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 21:58:37,749 INFO L? ?]: Removed 15 outVars from TransFormulas that were not future-live. [2024-10-31 21:58:37,749 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 21:58:37,763 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 21:58:37,763 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-31 21:58:37,763 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 09:58:37 BoogieIcfgContainer [2024-10-31 21:58:37,764 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 21:58:37,766 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 21:58:37,766 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 21:58:37,770 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 21:58:37,771 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 09:58:37" (1/3) ... [2024-10-31 21:58:37,772 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d78409a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 09:58:37, skipping insertion in model container [2024-10-31 21:58:37,772 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:37" (2/3) ... [2024-10-31 21:58:37,772 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d78409a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 09:58:37, skipping insertion in model container [2024-10-31 21:58:37,773 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 09:58:37" (3/3) ... [2024-10-31 21:58:37,774 INFO L112 eAbstractionObserver]: Analyzing ICFG Avery-FLOPS2006-Table1.c [2024-10-31 21:58:37,794 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 21:58:37,795 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2024-10-31 21:58:37,861 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 21:58:37,872 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;@4db6bfbb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 21:58:37,872 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-10-31 21:58:37,882 INFO L276 IsEmpty]: Start isEmpty. Operand has 25 states, 16 states have (on average 1.8125) internal successors, (29), 24 states have internal predecessors, (29), 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) [2024-10-31 21:58:37,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-10-31 21:58:37,891 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:58:37,892 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-10-31 21:58:37,893 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-31 21:58:37,899 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:58:37,900 INFO L85 PathProgramCache]: Analyzing trace with hash 28693987, now seen corresponding path program 1 times [2024-10-31 21:58:37,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:58:37,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209833873] [2024-10-31 21:58:37,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:58:37,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:58:38,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:38,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:58:38,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:58:38,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1209833873] [2024-10-31 21:58:38,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1209833873] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:58:38,114 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:58:38,114 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 21:58:38,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323080453] [2024-10-31 21:58:38,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:58:38,120 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 21:58:38,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:58:38,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 21:58:38,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 21:58:38,149 INFO L87 Difference]: Start difference. First operand has 25 states, 16 states have (on average 1.8125) internal successors, (29), 24 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:58:38,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:58:38,216 INFO L93 Difference]: Finished difference Result 38 states and 43 transitions. [2024-10-31 21:58:38,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 21:58:38,219 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-10-31 21:58:38,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 21:58:38,228 INFO L225 Difference]: With dead ends: 38 [2024-10-31 21:58:38,229 INFO L226 Difference]: Without dead ends: 20 [2024-10-31 21:58:38,232 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 [2024-10-31 21:58:38,237 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 1 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 21:58:38,239 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 36 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 21:58:38,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2024-10-31 21:58:38,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2024-10-31 21:58:38,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 13 states have (on average 1.6153846153846154) internal successors, (21), 19 states have internal predecessors, (21), 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) [2024-10-31 21:58:38,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 21 transitions. [2024-10-31 21:58:38,282 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 21 transitions. Word has length 5 [2024-10-31 21:58:38,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 21:58:38,282 INFO L471 AbstractCegarLoop]: Abstraction has 20 states and 21 transitions. [2024-10-31 21:58:38,283 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:58:38,283 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2024-10-31 21:58:38,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-10-31 21:58:38,284 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:58:38,284 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-10-31 21:58:38,284 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-31 21:58:38,287 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-31 21:58:38,289 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:58:38,289 INFO L85 PathProgramCache]: Analyzing trace with hash 889512267, now seen corresponding path program 1 times [2024-10-31 21:58:38,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:58:38,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2079850485] [2024-10-31 21:58:38,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:58:38,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:58:38,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:38,398 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:58:38,398 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:58:38,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2079850485] [2024-10-31 21:58:38,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2079850485] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:58:38,400 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:58:38,400 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-31 21:58:38,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [96137226] [2024-10-31 21:58:38,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:58:38,402 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 21:58:38,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:58:38,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 21:58:38,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 21:58:38,404 INFO L87 Difference]: Start difference. First operand 20 states and 21 transitions. Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:58:38,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:58:38,455 INFO L93 Difference]: Finished difference Result 30 states and 32 transitions. [2024-10-31 21:58:38,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 21:58:38,456 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-10-31 21:58:38,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 21:58:38,457 INFO L225 Difference]: With dead ends: 30 [2024-10-31 21:58:38,458 INFO L226 Difference]: Without dead ends: 21 [2024-10-31 21:58:38,458 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 21:58:38,460 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 2 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 21:58:38,461 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 34 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 21:58:38,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2024-10-31 21:58:38,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2024-10-31 21:58:38,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 20 states have internal predecessors, (22), 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) [2024-10-31 21:58:38,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 22 transitions. [2024-10-31 21:58:38,466 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 22 transitions. Word has length 6 [2024-10-31 21:58:38,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 21:58:38,467 INFO L471 AbstractCegarLoop]: Abstraction has 21 states and 22 transitions. [2024-10-31 21:58:38,467 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:58:38,468 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2024-10-31 21:58:38,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-10-31 21:58:38,468 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:58:38,468 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-10-31 21:58:38,469 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-31 21:58:38,469 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-31 21:58:38,470 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:58:38,470 INFO L85 PathProgramCache]: Analyzing trace with hash 889513645, now seen corresponding path program 1 times [2024-10-31 21:58:38,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:58:38,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2037490891] [2024-10-31 21:58:38,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:58:38,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:58:38,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:38,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:58:38,562 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:58:38,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2037490891] [2024-10-31 21:58:38,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2037490891] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:58:38,563 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:58:38,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 21:58:38,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55391847] [2024-10-31 21:58:38,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:58:38,565 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 21:58:38,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:58:38,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 21:58:38,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-31 21:58:38,566 INFO L87 Difference]: Start difference. First operand 21 states and 22 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:58:38,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:58:38,620 INFO L93 Difference]: Finished difference Result 21 states and 22 transitions. [2024-10-31 21:58:38,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 21:58:38,624 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-10-31 21:58:38,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 21:58:38,625 INFO L225 Difference]: With dead ends: 21 [2024-10-31 21:58:38,625 INFO L226 Difference]: Without dead ends: 20 [2024-10-31 21:58:38,626 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-31 21:58:38,627 INFO L432 NwaCegarLoop]: 10 mSDtfsCounter, 11 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 21:58:38,630 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 19 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 21:58:38,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2024-10-31 21:58:38,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2024-10-31 21:58:38,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 14 states have (on average 1.5) internal successors, (21), 19 states have internal predecessors, (21), 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) [2024-10-31 21:58:38,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 21 transitions. [2024-10-31 21:58:38,640 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 21 transitions. Word has length 6 [2024-10-31 21:58:38,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 21:58:38,640 INFO L471 AbstractCegarLoop]: Abstraction has 20 states and 21 transitions. [2024-10-31 21:58:38,640 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:58:38,643 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2024-10-31 21:58:38,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-10-31 21:58:38,644 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:58:38,644 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:58:38,644 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-31 21:58:38,645 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-31 21:58:38,646 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:58:38,646 INFO L85 PathProgramCache]: Analyzing trace with hash 1805119269, now seen corresponding path program 1 times [2024-10-31 21:58:38,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:58:38,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132746478] [2024-10-31 21:58:38,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:58:38,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:58:38,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:38,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:58:38,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:58:38,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [132746478] [2024-10-31 21:58:38,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [132746478] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:58:38,767 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:58:38,767 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 21:58:38,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048776387] [2024-10-31 21:58:38,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:58:38,769 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 21:58:38,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:58:38,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 21:58:38,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 21:58:38,772 INFO L87 Difference]: Start difference. First operand 20 states and 21 transitions. 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) [2024-10-31 21:58:38,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:58:38,810 INFO L93 Difference]: Finished difference Result 28 states and 30 transitions. [2024-10-31 21:58:38,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 21:58:38,811 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 [2024-10-31 21:58:38,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 21:58:38,812 INFO L225 Difference]: With dead ends: 28 [2024-10-31 21:58:38,813 INFO L226 Difference]: Without dead ends: 26 [2024-10-31 21:58:38,813 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 [2024-10-31 21:58:38,815 INFO L432 NwaCegarLoop]: 13 mSDtfsCounter, 8 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 21:58:38,819 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 19 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 21:58:38,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2024-10-31 21:58:38,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 23. [2024-10-31 21:58:38,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 18 states have (on average 1.4444444444444444) internal successors, (26), 22 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:58:38,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 26 transitions. [2024-10-31 21:58:38,829 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 26 transitions. Word has length 7 [2024-10-31 21:58:38,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 21:58:38,830 INFO L471 AbstractCegarLoop]: Abstraction has 23 states and 26 transitions. [2024-10-31 21:58:38,831 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) [2024-10-31 21:58:38,831 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions. [2024-10-31 21:58:38,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-10-31 21:58:38,831 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:58:38,832 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:58:38,832 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-31 21:58:38,832 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-31 21:58:38,834 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:58:38,835 INFO L85 PathProgramCache]: Analyzing trace with hash 124122543, now seen corresponding path program 1 times [2024-10-31 21:58:38,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:58:38,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421596187] [2024-10-31 21:58:38,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:58:38,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:58:38,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:38,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:58:38,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:58:38,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421596187] [2024-10-31 21:58:38,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [421596187] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:58:38,923 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:58:38,923 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 21:58:38,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36169520] [2024-10-31 21:58:38,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:58:38,924 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 21:58:38,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:58:38,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 21:58:38,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 21:58:38,926 INFO L87 Difference]: Start difference. First operand 23 states and 26 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) [2024-10-31 21:58:38,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:58:38,972 INFO L93 Difference]: Finished difference Result 28 states and 31 transitions. [2024-10-31 21:58:38,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 21:58:38,973 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 [2024-10-31 21:58:38,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 21:58:38,974 INFO L225 Difference]: With dead ends: 28 [2024-10-31 21:58:38,975 INFO L226 Difference]: Without dead ends: 27 [2024-10-31 21:58:38,975 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 [2024-10-31 21:58:38,977 INFO L432 NwaCegarLoop]: 17 mSDtfsCounter, 0 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 21:58:38,977 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 27 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 21:58:38,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2024-10-31 21:58:38,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2024-10-31 21:58:38,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 22 states have (on average 1.3636363636363635) internal successors, (30), 26 states have internal predecessors, (30), 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) [2024-10-31 21:58:38,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 30 transitions. [2024-10-31 21:58:38,983 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 30 transitions. Word has length 8 [2024-10-31 21:58:38,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 21:58:38,984 INFO L471 AbstractCegarLoop]: Abstraction has 27 states and 30 transitions. [2024-10-31 21:58:38,984 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) [2024-10-31 21:58:38,985 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2024-10-31 21:58:38,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-10-31 21:58:38,985 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:58:38,985 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:58:38,986 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-31 21:58:38,986 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-31 21:58:38,987 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:58:38,987 INFO L85 PathProgramCache]: Analyzing trace with hash -232120963, now seen corresponding path program 1 times [2024-10-31 21:58:38,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:58:38,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422932839] [2024-10-31 21:58:38,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:58:38,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:58:38,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:39,046 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:58:39,047 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:58:39,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1422932839] [2024-10-31 21:58:39,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1422932839] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:58:39,048 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:58:39,048 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 21:58:39,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067796629] [2024-10-31 21:58:39,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:58:39,049 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 21:58:39,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:58:39,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 21:58:39,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-31 21:58:39,051 INFO L87 Difference]: Start difference. First operand 27 states and 30 transitions. Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:58:39,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:58:39,092 INFO L93 Difference]: Finished difference Result 27 states and 30 transitions. [2024-10-31 21:58:39,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 21:58:39,093 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2024-10-31 21:58:39,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 21:58:39,094 INFO L225 Difference]: With dead ends: 27 [2024-10-31 21:58:39,094 INFO L226 Difference]: Without dead ends: 26 [2024-10-31 21:58:39,095 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-31 21:58:39,096 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 8 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 21:58:39,097 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 18 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 21:58:39,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2024-10-31 21:58:39,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2024-10-31 21:58:39,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 25 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:58:39,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 28 transitions. [2024-10-31 21:58:39,104 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 28 transitions. Word has length 11 [2024-10-31 21:58:39,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 21:58:39,104 INFO L471 AbstractCegarLoop]: Abstraction has 26 states and 28 transitions. [2024-10-31 21:58:39,105 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:58:39,105 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 28 transitions. [2024-10-31 21:58:39,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-10-31 21:58:39,105 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:58:39,106 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:58:39,106 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-31 21:58:39,106 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-31 21:58:39,107 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:58:39,107 INFO L85 PathProgramCache]: Analyzing trace with hash 1394184806, now seen corresponding path program 1 times [2024-10-31 21:58:39,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:58:39,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199500633] [2024-10-31 21:58:39,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:58:39,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:58:39,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:39,158 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-31 21:58:39,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:58:39,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [199500633] [2024-10-31 21:58:39,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [199500633] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:58:39,159 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:58:39,159 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 21:58:39,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149945533] [2024-10-31 21:58:39,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:58:39,161 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 21:58:39,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:58:39,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 21:58:39,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 21:58:39,164 INFO L87 Difference]: Start difference. First operand 26 states and 28 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:58:39,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:58:39,196 INFO L93 Difference]: Finished difference Result 27 states and 28 transitions. [2024-10-31 21:58:39,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 21:58:39,197 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 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 12 [2024-10-31 21:58:39,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 21:58:39,197 INFO L225 Difference]: With dead ends: 27 [2024-10-31 21:58:39,197 INFO L226 Difference]: Without dead ends: 26 [2024-10-31 21:58:39,198 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 [2024-10-31 21:58:39,199 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 0 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 24 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 [2024-10-31 21:58:39,199 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 24 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 21:58:39,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2024-10-31 21:58:39,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2024-10-31 21:58:39,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 22 states have (on average 1.2272727272727273) internal successors, (27), 25 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:58:39,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 27 transitions. [2024-10-31 21:58:39,209 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 27 transitions. Word has length 12 [2024-10-31 21:58:39,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 21:58:39,210 INFO L471 AbstractCegarLoop]: Abstraction has 26 states and 27 transitions. [2024-10-31 21:58:39,210 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:58:39,210 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 27 transitions. [2024-10-31 21:58:39,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-10-31 21:58:39,213 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:58:39,213 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-10-31 21:58:39,213 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-31 21:58:39,213 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-31 21:58:39,214 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:58:39,214 INFO L85 PathProgramCache]: Analyzing trace with hash 271379809, now seen corresponding path program 1 times [2024-10-31 21:58:39,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:58:39,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736061116] [2024-10-31 21:58:39,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:58:39,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:58:39,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:39,290 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:58:39,290 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:58:39,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1736061116] [2024-10-31 21:58:39,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1736061116] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 21:58:39,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [878538187] [2024-10-31 21:58:39,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:58:39,292 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 21:58:39,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51d09c9-082f-44d3-b798-7da5c0bd8ed9/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:39,294 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51d09c9-082f-44d3-b798-7da5c0bd8ed9/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 21:58:39,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51d09c9-082f-44d3-b798-7da5c0bd8ed9/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-31 21:58:39,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:39,340 INFO L255 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-31 21:58:39,345 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:58:39,416 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:58:39,416 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 21:58:39,472 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:58:39,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [878538187] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 21:58:39,472 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 21:58:39,472 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-10-31 21:58:39,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293664604] [2024-10-31 21:58:39,473 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 21:58:39,473 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-31 21:58:39,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:58:39,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 21:58:39,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-31 21:58:39,477 INFO L87 Difference]: Start difference. First operand 26 states and 27 transitions. Second operand has 6 states, 5 states have (on average 5.0) internal successors, (25), 6 states have internal predecessors, (25), 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) [2024-10-31 21:58:39,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:58:39,637 INFO L93 Difference]: Finished difference Result 69 states and 80 transitions. [2024-10-31 21:58:39,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 21:58:39,638 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.0) internal successors, (25), 6 states have internal predecessors, (25), 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 13 [2024-10-31 21:58:39,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 21:58:39,639 INFO L225 Difference]: With dead ends: 69 [2024-10-31 21:58:39,642 INFO L226 Difference]: Without dead ends: 67 [2024-10-31 21:58:39,642 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-31 21:58:39,643 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 27 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 21:58:39,644 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 50 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 21:58:39,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2024-10-31 21:58:39,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 50. [2024-10-31 21:58:39,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 46 states have (on average 1.2173913043478262) internal successors, (56), 49 states have internal predecessors, (56), 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) [2024-10-31 21:58:39,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 56 transitions. [2024-10-31 21:58:39,661 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 56 transitions. Word has length 13 [2024-10-31 21:58:39,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 21:58:39,662 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 56 transitions. [2024-10-31 21:58:39,662 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.0) internal successors, (25), 6 states have internal predecessors, (25), 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) [2024-10-31 21:58:39,662 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 56 transitions. [2024-10-31 21:58:39,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-10-31 21:58:39,664 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:58:39,664 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:58:39,685 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51d09c9-082f-44d3-b798-7da5c0bd8ed9/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-10-31 21:58:39,868 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51d09c9-082f-44d3-b798-7da5c0bd8ed9/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 21:58:39,869 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-31 21:58:39,869 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:58:39,869 INFO L85 PathProgramCache]: Analyzing trace with hash -1978823143, now seen corresponding path program 1 times [2024-10-31 21:58:39,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:58:39,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785298961] [2024-10-31 21:58:39,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:58:39,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:58:39,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:39,953 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-31 21:58:39,953 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:58:39,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [785298961] [2024-10-31 21:58:39,957 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [785298961] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 21:58:39,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [641669267] [2024-10-31 21:58:39,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:58:39,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 21:58:39,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51d09c9-082f-44d3-b798-7da5c0bd8ed9/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:39,961 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51d09c9-082f-44d3-b798-7da5c0bd8ed9/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 21:58:39,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51d09c9-082f-44d3-b798-7da5c0bd8ed9/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-31 21:58:40,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:40,017 INFO L255 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-31 21:58:40,019 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:58:40,062 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-31 21:58:40,062 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 21:58:40,121 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-31 21:58:40,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [641669267] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 21:58:40,122 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 21:58:40,122 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-10-31 21:58:40,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470302409] [2024-10-31 21:58:40,122 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 21:58:40,123 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-31 21:58:40,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:58:40,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 21:58:40,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-31 21:58:40,125 INFO L87 Difference]: Start difference. First operand 50 states and 56 transitions. Second operand has 6 states, 5 states have (on average 5.2) internal successors, (26), 6 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:58:40,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:58:40,195 INFO L93 Difference]: Finished difference Result 84 states and 97 transitions. [2024-10-31 21:58:40,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 21:58:40,196 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.2) internal successors, (26), 6 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2024-10-31 21:58:40,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 21:58:40,197 INFO L225 Difference]: With dead ends: 84 [2024-10-31 21:58:40,198 INFO L226 Difference]: Without dead ends: 83 [2024-10-31 21:58:40,198 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-31 21:58:40,199 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 10 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 21:58:40,200 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 36 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 21:58:40,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2024-10-31 21:58:40,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 78. [2024-10-31 21:58:40,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 74 states have (on average 1.2297297297297298) internal successors, (91), 77 states have internal predecessors, (91), 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) [2024-10-31 21:58:40,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 91 transitions. [2024-10-31 21:58:40,223 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 91 transitions. Word has length 17 [2024-10-31 21:58:40,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 21:58:40,223 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 91 transitions. [2024-10-31 21:58:40,223 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.2) internal successors, (26), 6 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:58:40,224 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 91 transitions. [2024-10-31 21:58:40,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-10-31 21:58:40,224 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:58:40,225 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:58:40,245 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51d09c9-082f-44d3-b798-7da5c0bd8ed9/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-10-31 21:58:40,425 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51d09c9-082f-44d3-b798-7da5c0bd8ed9/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 21:58:40,426 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-31 21:58:40,426 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:58:40,426 INFO L85 PathProgramCache]: Analyzing trace with hash -1213975220, now seen corresponding path program 1 times [2024-10-31 21:58:40,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:58:40,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2132467412] [2024-10-31 21:58:40,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:58:40,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:58:40,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:40,513 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:58:40,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:58:40,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2132467412] [2024-10-31 21:58:40,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2132467412] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 21:58:40,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1335820639] [2024-10-31 21:58:40,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:58:40,514 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 21:58:40,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51d09c9-082f-44d3-b798-7da5c0bd8ed9/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:40,516 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51d09c9-082f-44d3-b798-7da5c0bd8ed9/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 21:58:40,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51d09c9-082f-44d3-b798-7da5c0bd8ed9/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-31 21:58:40,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:40,557 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-31 21:58:40,558 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:58:40,596 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:58:40,597 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 21:58:40,665 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:58:40,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1335820639] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 21:58:40,666 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 21:58:40,666 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-10-31 21:58:40,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877438352] [2024-10-31 21:58:40,667 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 21:58:40,667 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-31 21:58:40,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:58:40,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 21:58:40,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-31 21:58:40,669 INFO L87 Difference]: Start difference. First operand 78 states and 91 transitions. Second operand has 6 states, 5 states have (on average 7.0) internal successors, (35), 6 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:58:40,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:58:40,721 INFO L93 Difference]: Finished difference Result 81 states and 95 transitions. [2024-10-31 21:58:40,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 21:58:40,722 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.0) internal successors, (35), 6 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2024-10-31 21:58:40,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 21:58:40,725 INFO L225 Difference]: With dead ends: 81 [2024-10-31 21:58:40,725 INFO L226 Difference]: Without dead ends: 80 [2024-10-31 21:58:40,726 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 33 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-31 21:58:40,727 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 6 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 21:58:40,727 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 37 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 21:58:40,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2024-10-31 21:58:40,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2024-10-31 21:58:40,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 76 states have (on average 1.1710526315789473) internal successors, (89), 79 states have internal predecessors, (89), 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) [2024-10-31 21:58:40,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 89 transitions. [2024-10-31 21:58:40,745 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 89 transitions. Word has length 18 [2024-10-31 21:58:40,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 21:58:40,745 INFO L471 AbstractCegarLoop]: Abstraction has 80 states and 89 transitions. [2024-10-31 21:58:40,745 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.0) internal successors, (35), 6 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:58:40,745 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 89 transitions. [2024-10-31 21:58:40,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-10-31 21:58:40,746 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:58:40,746 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 4, 1, 1, 1, 1] [2024-10-31 21:58:40,772 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51d09c9-082f-44d3-b798-7da5c0bd8ed9/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-10-31 21:58:40,947 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51d09c9-082f-44d3-b798-7da5c0bd8ed9/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 21:58:40,947 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-31 21:58:40,948 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:58:40,948 INFO L85 PathProgramCache]: Analyzing trace with hash -543038417, now seen corresponding path program 2 times [2024-10-31 21:58:40,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:58:40,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080839401] [2024-10-31 21:58:40,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:58:40,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:58:40,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:41,118 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:58:41,119 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:58:41,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2080839401] [2024-10-31 21:58:41,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2080839401] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 21:58:41,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1438734094] [2024-10-31 21:58:41,119 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-31 21:58:41,120 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 21:58:41,120 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51d09c9-082f-44d3-b798-7da5c0bd8ed9/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:41,121 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51d09c9-082f-44d3-b798-7da5c0bd8ed9/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 21:58:41,123 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51d09c9-082f-44d3-b798-7da5c0bd8ed9/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-31 21:58:41,175 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-31 21:58:41,175 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-31 21:58:41,176 INFO L255 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-31 21:58:41,178 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:58:41,244 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:58:41,244 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 21:58:41,493 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:58:41,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1438734094] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 21:58:41,493 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 21:58:41,494 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2024-10-31 21:58:41,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295701192] [2024-10-31 21:58:41,494 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 21:58:41,494 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-31 21:58:41,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:58:41,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-31 21:58:41,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2024-10-31 21:58:41,499 INFO L87 Difference]: Start difference. First operand 80 states and 89 transitions. Second operand has 12 states, 11 states have (on average 5.0) internal successors, (55), 12 states have internal predecessors, (55), 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) [2024-10-31 21:58:41,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:58:41,668 INFO L93 Difference]: Finished difference Result 238 states and 278 transitions. [2024-10-31 21:58:41,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-31 21:58:41,669 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.0) internal successors, (55), 12 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2024-10-31 21:58:41,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 21:58:41,670 INFO L225 Difference]: With dead ends: 238 [2024-10-31 21:58:41,670 INFO L226 Difference]: Without dead ends: 236 [2024-10-31 21:58:41,671 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2024-10-31 21:58:41,672 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 98 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 91 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 21:58:41,672 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 91 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 21:58:41,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2024-10-31 21:58:41,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 110. [2024-10-31 21:58:41,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 106 states have (on average 1.179245283018868) internal successors, (125), 109 states have internal predecessors, (125), 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) [2024-10-31 21:58:41,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 125 transitions. [2024-10-31 21:58:41,700 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 125 transitions. Word has length 28 [2024-10-31 21:58:41,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 21:58:41,700 INFO L471 AbstractCegarLoop]: Abstraction has 110 states and 125 transitions. [2024-10-31 21:58:41,701 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.0) internal successors, (55), 12 states have internal predecessors, (55), 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) [2024-10-31 21:58:41,701 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 125 transitions. [2024-10-31 21:58:41,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-10-31 21:58:41,701 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:58:41,702 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:58:41,723 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51d09c9-082f-44d3-b798-7da5c0bd8ed9/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-31 21:58:41,902 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51d09c9-082f-44d3-b798-7da5c0bd8ed9/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 21:58:41,902 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-31 21:58:41,903 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:58:41,903 INFO L85 PathProgramCache]: Analyzing trace with hash 1365633574, now seen corresponding path program 2 times [2024-10-31 21:58:41,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:58:41,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786294965] [2024-10-31 21:58:41,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:58:41,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:58:41,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:41,990 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2024-10-31 21:58:41,991 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:58:41,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1786294965] [2024-10-31 21:58:41,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1786294965] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 21:58:41,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1221405348] [2024-10-31 21:58:41,991 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-31 21:58:41,991 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 21:58:41,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51d09c9-082f-44d3-b798-7da5c0bd8ed9/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:41,994 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51d09c9-082f-44d3-b798-7da5c0bd8ed9/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 21:58:41,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51d09c9-082f-44d3-b798-7da5c0bd8ed9/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-31 21:58:42,041 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-10-31 21:58:42,041 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-31 21:58:42,042 INFO L255 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-31 21:58:42,043 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:58:42,111 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2024-10-31 21:58:42,112 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 21:58:42,187 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2024-10-31 21:58:42,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1221405348] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 21:58:42,188 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 21:58:42,188 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 3 [2024-10-31 21:58:42,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1925775354] [2024-10-31 21:58:42,188 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 21:58:42,189 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 21:58:42,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:58:42,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 21:58:42,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 21:58:42,193 INFO L87 Difference]: Start difference. First operand 110 states and 125 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 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) [2024-10-31 21:58:42,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:58:42,234 INFO L93 Difference]: Finished difference Result 110 states and 125 transitions. [2024-10-31 21:58:42,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 21:58:42,235 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 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 32 [2024-10-31 21:58:42,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 21:58:42,236 INFO L225 Difference]: With dead ends: 110 [2024-10-31 21:58:42,236 INFO L226 Difference]: Without dead ends: 109 [2024-10-31 21:58:42,236 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 62 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-31 21:58:42,237 INFO L432 NwaCegarLoop]: 13 mSDtfsCounter, 3 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 21:58:42,238 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 22 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 21:58:42,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2024-10-31 21:58:42,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2024-10-31 21:58:42,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 106 states have (on average 1.1603773584905661) internal successors, (123), 108 states have internal predecessors, (123), 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) [2024-10-31 21:58:42,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 123 transitions. [2024-10-31 21:58:42,251 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 123 transitions. Word has length 32 [2024-10-31 21:58:42,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 21:58:42,251 INFO L471 AbstractCegarLoop]: Abstraction has 109 states and 123 transitions. [2024-10-31 21:58:42,251 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 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) [2024-10-31 21:58:42,252 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 123 transitions. [2024-10-31 21:58:42,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-10-31 21:58:42,252 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:58:42,253 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:58:42,275 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51d09c9-082f-44d3-b798-7da5c0bd8ed9/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-10-31 21:58:42,453 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51d09c9-082f-44d3-b798-7da5c0bd8ed9/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-10-31 21:58:42,453 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-31 21:58:42,454 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:58:42,454 INFO L85 PathProgramCache]: Analyzing trace with hash -615032097, now seen corresponding path program 2 times [2024-10-31 21:58:42,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:58:42,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [852720786] [2024-10-31 21:58:42,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:58:42,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:58:42,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:42,552 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 1 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:58:42,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:58:42,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [852720786] [2024-10-31 21:58:42,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [852720786] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 21:58:42,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1695264966] [2024-10-31 21:58:42,553 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-31 21:58:42,553 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 21:58:42,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51d09c9-082f-44d3-b798-7da5c0bd8ed9/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:42,555 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51d09c9-082f-44d3-b798-7da5c0bd8ed9/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 21:58:42,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51d09c9-082f-44d3-b798-7da5c0bd8ed9/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-31 21:58:42,604 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-31 21:58:42,604 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-31 21:58:42,605 INFO L255 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-31 21:58:42,607 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:58:42,686 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 1 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:58:42,686 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 21:58:42,840 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 1 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:58:42,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1695264966] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 21:58:42,841 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 21:58:42,841 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2024-10-31 21:58:42,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442791175] [2024-10-31 21:58:42,841 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 21:58:42,843 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-31 21:58:42,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:58:42,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-31 21:58:42,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2024-10-31 21:58:42,845 INFO L87 Difference]: Start difference. First operand 109 states and 123 transitions. Second operand has 12 states, 11 states have (on average 5.909090909090909) internal successors, (65), 12 states have internal predecessors, (65), 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) [2024-10-31 21:58:42,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:58:42,915 INFO L93 Difference]: Finished difference Result 170 states and 201 transitions. [2024-10-31 21:58:42,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-31 21:58:42,916 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.909090909090909) internal successors, (65), 12 states have internal predecessors, (65), 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 33 [2024-10-31 21:58:42,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 21:58:42,918 INFO L225 Difference]: With dead ends: 170 [2024-10-31 21:58:42,918 INFO L226 Difference]: Without dead ends: 169 [2024-10-31 21:58:42,918 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2024-10-31 21:58:42,919 INFO L432 NwaCegarLoop]: 14 mSDtfsCounter, 6 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 21:58:42,922 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 51 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 21:58:42,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2024-10-31 21:58:42,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 169. [2024-10-31 21:58:42,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 166 states have (on average 1.1385542168674698) internal successors, (189), 168 states have internal predecessors, (189), 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) [2024-10-31 21:58:42,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 189 transitions. [2024-10-31 21:58:42,940 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 189 transitions. Word has length 33 [2024-10-31 21:58:42,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 21:58:42,941 INFO L471 AbstractCegarLoop]: Abstraction has 169 states and 189 transitions. [2024-10-31 21:58:42,941 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.909090909090909) internal successors, (65), 12 states have internal predecessors, (65), 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) [2024-10-31 21:58:42,941 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 189 transitions. [2024-10-31 21:58:42,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-10-31 21:58:42,943 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:58:42,943 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 10, 1, 1, 1, 1] [2024-10-31 21:58:42,964 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51d09c9-082f-44d3-b798-7da5c0bd8ed9/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-31 21:58:43,146 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51d09c9-082f-44d3-b798-7da5c0bd8ed9/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-10-31 21:58:43,147 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-31 21:58:43,147 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:58:43,147 INFO L85 PathProgramCache]: Analyzing trace with hash 947278319, now seen corresponding path program 3 times [2024-10-31 21:58:43,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:58:43,148 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [163055205] [2024-10-31 21:58:43,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:58:43,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:58:43,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:43,470 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 0 proven. 275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:58:43,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:58:43,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [163055205] [2024-10-31 21:58:43,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [163055205] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 21:58:43,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2016927356] [2024-10-31 21:58:43,471 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-31 21:58:43,471 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 21:58:43,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51d09c9-082f-44d3-b798-7da5c0bd8ed9/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:43,473 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51d09c9-082f-44d3-b798-7da5c0bd8ed9/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 21:58:43,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51d09c9-082f-44d3-b798-7da5c0bd8ed9/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-31 21:58:43,534 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-10-31 21:58:43,534 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-31 21:58:43,535 INFO L255 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-31 21:58:43,538 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:58:43,664 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 0 proven. 275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:58:43,664 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 21:58:44,124 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 0 proven. 275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:58:44,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2016927356] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 21:58:44,130 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 21:58:44,130 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 23 [2024-10-31 21:58:44,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827563081] [2024-10-31 21:58:44,131 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 21:58:44,131 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-10-31 21:58:44,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:58:44,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-10-31 21:58:44,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2024-10-31 21:58:44,140 INFO L87 Difference]: Start difference. First operand 169 states and 189 transitions. Second operand has 24 states, 23 states have (on average 5.0) internal successors, (115), 24 states have internal predecessors, (115), 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) [2024-10-31 21:58:44,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:58:44,520 INFO L93 Difference]: Finished difference Result 835 states and 955 transitions. [2024-10-31 21:58:44,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-31 21:58:44,520 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 5.0) internal successors, (115), 24 states have internal predecessors, (115), 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 58 [2024-10-31 21:58:44,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 21:58:44,525 INFO L225 Difference]: With dead ends: 835 [2024-10-31 21:58:44,526 INFO L226 Difference]: Without dead ends: 833 [2024-10-31 21:58:44,527 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2024-10-31 21:58:44,528 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 339 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 339 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-31 21:58:44,528 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [339 Valid, 172 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-31 21:58:44,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 833 states. [2024-10-31 21:58:44,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 833 to 229. [2024-10-31 21:58:44,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 229 states, 226 states have (on average 1.154867256637168) internal successors, (261), 228 states have internal predecessors, (261), 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) [2024-10-31 21:58:44,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 261 transitions. [2024-10-31 21:58:44,565 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 261 transitions. Word has length 58 [2024-10-31 21:58:44,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 21:58:44,567 INFO L471 AbstractCegarLoop]: Abstraction has 229 states and 261 transitions. [2024-10-31 21:58:44,567 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 5.0) internal successors, (115), 24 states have internal predecessors, (115), 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) [2024-10-31 21:58:44,567 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 261 transitions. [2024-10-31 21:58:44,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-10-31 21:58:44,572 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:58:44,572 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:58:44,596 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51d09c9-082f-44d3-b798-7da5c0bd8ed9/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-10-31 21:58:44,773 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51d09c9-082f-44d3-b798-7da5c0bd8ed9/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 21:58:44,777 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-31 21:58:44,777 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:58:44,777 INFO L85 PathProgramCache]: Analyzing trace with hash -1507369153, now seen corresponding path program 3 times [2024-10-31 21:58:44,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:58:44,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62638951] [2024-10-31 21:58:44,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:58:44,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:58:44,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:45,086 INFO L134 CoverageAnalysis]: Checked inductivity of 266 backedges. 1 proven. 265 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:58:45,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:58:45,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [62638951] [2024-10-31 21:58:45,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [62638951] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 21:58:45,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1449490131] [2024-10-31 21:58:45,087 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-31 21:58:45,087 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 21:58:45,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51d09c9-082f-44d3-b798-7da5c0bd8ed9/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:45,089 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51d09c9-082f-44d3-b798-7da5c0bd8ed9/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 21:58:45,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51d09c9-082f-44d3-b798-7da5c0bd8ed9/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-31 21:58:45,156 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-10-31 21:58:45,156 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-31 21:58:45,157 INFO L255 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-31 21:58:45,159 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:58:45,286 INFO L134 CoverageAnalysis]: Checked inductivity of 266 backedges. 1 proven. 265 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:58:45,286 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 21:58:45,757 INFO L134 CoverageAnalysis]: Checked inductivity of 266 backedges. 1 proven. 265 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:58:45,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1449490131] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 21:58:45,757 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 21:58:45,757 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 23 [2024-10-31 21:58:45,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579694104] [2024-10-31 21:58:45,758 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 21:58:45,758 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-10-31 21:58:45,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:58:45,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-10-31 21:58:45,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2024-10-31 21:58:45,760 INFO L87 Difference]: Start difference. First operand 229 states and 261 transitions. Second operand has 24 states, 23 states have (on average 5.434782608695652) internal successors, (125), 24 states have internal predecessors, (125), 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) [2024-10-31 21:58:45,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:58:45,905 INFO L93 Difference]: Finished difference Result 350 states and 417 transitions. [2024-10-31 21:58:45,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-31 21:58:45,906 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 5.434782608695652) internal successors, (125), 24 states have internal predecessors, (125), 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 63 [2024-10-31 21:58:45,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 21:58:45,910 INFO L225 Difference]: With dead ends: 350 [2024-10-31 21:58:45,910 INFO L226 Difference]: Without dead ends: 349 [2024-10-31 21:58:45,912 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2024-10-31 21:58:45,913 INFO L432 NwaCegarLoop]: 14 mSDtfsCounter, 6 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 21:58:45,914 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 89 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 21:58:45,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 349 states. [2024-10-31 21:58:45,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 349 to 349. [2024-10-31 21:58:45,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 349 states, 346 states have (on average 1.1358381502890174) internal successors, (393), 348 states have internal predecessors, (393), 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) [2024-10-31 21:58:45,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 349 states and 393 transitions. [2024-10-31 21:58:45,944 INFO L78 Accepts]: Start accepts. Automaton has 349 states and 393 transitions. Word has length 63 [2024-10-31 21:58:45,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 21:58:45,946 INFO L471 AbstractCegarLoop]: Abstraction has 349 states and 393 transitions. [2024-10-31 21:58:45,946 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 5.434782608695652) internal successors, (125), 24 states have internal predecessors, (125), 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) [2024-10-31 21:58:45,946 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 393 transitions. [2024-10-31 21:58:45,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-10-31 21:58:45,951 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:58:45,951 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 23, 22, 1, 1, 1, 1] [2024-10-31 21:58:45,975 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51d09c9-082f-44d3-b798-7da5c0bd8ed9/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-10-31 21:58:46,151 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51d09c9-082f-44d3-b798-7da5c0bd8ed9/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-10-31 21:58:46,152 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-31 21:58:46,152 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:58:46,152 INFO L85 PathProgramCache]: Analyzing trace with hash 1653046639, now seen corresponding path program 4 times [2024-10-31 21:58:46,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:58:46,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117528405] [2024-10-31 21:58:46,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:58:46,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:58:46,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:47,084 INFO L134 CoverageAnalysis]: Checked inductivity of 1265 backedges. 0 proven. 1265 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:58:47,085 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:58:47,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117528405] [2024-10-31 21:58:47,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1117528405] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 21:58:47,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1996791341] [2024-10-31 21:58:47,085 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-31 21:58:47,085 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 21:58:47,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51d09c9-082f-44d3-b798-7da5c0bd8ed9/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:47,089 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51d09c9-082f-44d3-b798-7da5c0bd8ed9/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 21:58:47,093 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51d09c9-082f-44d3-b798-7da5c0bd8ed9/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-31 21:58:47,184 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-31 21:58:47,184 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-31 21:58:47,186 INFO L255 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-10-31 21:58:47,190 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:58:47,438 INFO L134 CoverageAnalysis]: Checked inductivity of 1265 backedges. 0 proven. 1265 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:58:47,439 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 21:58:48,881 INFO L134 CoverageAnalysis]: Checked inductivity of 1265 backedges. 0 proven. 1265 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:58:48,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1996791341] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 21:58:48,881 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 21:58:48,882 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 47 [2024-10-31 21:58:48,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [744612393] [2024-10-31 21:58:48,882 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 21:58:48,883 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2024-10-31 21:58:48,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:58:48,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2024-10-31 21:58:48,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1128, Invalid=1128, Unknown=0, NotChecked=0, Total=2256 [2024-10-31 21:58:48,888 INFO L87 Difference]: Start difference. First operand 349 states and 393 transitions. Second operand has 48 states, 47 states have (on average 5.0) internal successors, (235), 48 states have internal predecessors, (235), 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) [2024-10-31 21:58:50,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:58:50,001 INFO L93 Difference]: Finished difference Result 3115 states and 3505 transitions. [2024-10-31 21:58:50,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-10-31 21:58:50,002 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 47 states have (on average 5.0) internal successors, (235), 48 states have internal predecessors, (235), 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 118 [2024-10-31 21:58:50,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 21:58:50,017 INFO L225 Difference]: With dead ends: 3115 [2024-10-31 21:58:50,017 INFO L226 Difference]: Without dead ends: 3113 [2024-10-31 21:58:50,020 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 258 GetRequests, 212 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=1128, Invalid=1128, Unknown=0, NotChecked=0, Total=2256 [2024-10-31 21:58:50,021 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 664 mSDsluCounter, 327 mSDsCounter, 0 mSdLazyCounter, 205 mSolverCounterSat, 160 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 664 SdHoareTripleChecker+Valid, 342 SdHoareTripleChecker+Invalid, 365 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 160 IncrementalHoareTripleChecker+Valid, 205 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-31 21:58:50,021 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [664 Valid, 342 Invalid, 365 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [160 Valid, 205 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-31 21:58:50,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3113 states. [2024-10-31 21:58:50,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3113 to 469. [2024-10-31 21:58:50,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 469 states, 466 states have (on average 1.1523605150214593) internal successors, (537), 468 states have internal predecessors, (537), 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) [2024-10-31 21:58:50,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 469 states and 537 transitions. [2024-10-31 21:58:50,086 INFO L78 Accepts]: Start accepts. Automaton has 469 states and 537 transitions. Word has length 118 [2024-10-31 21:58:50,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 21:58:50,087 INFO L471 AbstractCegarLoop]: Abstraction has 469 states and 537 transitions. [2024-10-31 21:58:50,087 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 47 states have (on average 5.0) internal successors, (235), 48 states have internal predecessors, (235), 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) [2024-10-31 21:58:50,087 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 537 transitions. [2024-10-31 21:58:50,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-10-31 21:58:50,090 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:58:50,091 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:58:50,115 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51d09c9-082f-44d3-b798-7da5c0bd8ed9/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-10-31 21:58:50,291 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51d09c9-082f-44d3-b798-7da5c0bd8ed9/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-10-31 21:58:50,292 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-31 21:58:50,292 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:58:50,292 INFO L85 PathProgramCache]: Analyzing trace with hash 349286399, now seen corresponding path program 4 times [2024-10-31 21:58:50,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:58:50,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1154755484] [2024-10-31 21:58:50,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:58:50,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:58:50,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:51,231 INFO L134 CoverageAnalysis]: Checked inductivity of 1244 backedges. 1 proven. 1243 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:58:51,231 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:58:51,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1154755484] [2024-10-31 21:58:51,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1154755484] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 21:58:51,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [824870157] [2024-10-31 21:58:51,232 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-31 21:58:51,233 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 21:58:51,233 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51d09c9-082f-44d3-b798-7da5c0bd8ed9/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:51,235 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51d09c9-082f-44d3-b798-7da5c0bd8ed9/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 21:58:51,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51d09c9-082f-44d3-b798-7da5c0bd8ed9/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-10-31 21:58:51,316 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-31 21:58:51,316 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-31 21:58:51,317 INFO L255 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-10-31 21:58:51,321 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:58:51,587 INFO L134 CoverageAnalysis]: Checked inductivity of 1244 backedges. 1 proven. 1243 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:58:51,588 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 21:58:52,628 INFO L134 CoverageAnalysis]: Checked inductivity of 1244 backedges. 1 proven. 1243 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:58:52,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [824870157] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 21:58:52,628 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 21:58:52,628 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 47 [2024-10-31 21:58:52,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501593827] [2024-10-31 21:58:52,629 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 21:58:52,629 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2024-10-31 21:58:52,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:58:52,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2024-10-31 21:58:52,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1128, Invalid=1128, Unknown=0, NotChecked=0, Total=2256 [2024-10-31 21:58:52,632 INFO L87 Difference]: Start difference. First operand 469 states and 537 transitions. Second operand has 48 states, 47 states have (on average 5.212765957446808) internal successors, (245), 48 states have internal predecessors, (245), 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) [2024-10-31 21:58:52,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:58:52,874 INFO L93 Difference]: Finished difference Result 710 states and 849 transitions. [2024-10-31 21:58:52,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-10-31 21:58:52,874 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 47 states have (on average 5.212765957446808) internal successors, (245), 48 states have internal predecessors, (245), 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 123 [2024-10-31 21:58:52,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 21:58:52,877 INFO L225 Difference]: With dead ends: 710 [2024-10-31 21:58:52,877 INFO L226 Difference]: Without dead ends: 709 [2024-10-31 21:58:52,879 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 269 GetRequests, 223 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=1128, Invalid=1128, Unknown=0, NotChecked=0, Total=2256 [2024-10-31 21:58:52,880 INFO L432 NwaCegarLoop]: 14 mSDtfsCounter, 6 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 21:58:52,880 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 160 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 21:58:52,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 709 states. [2024-10-31 21:58:52,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 709 to 709. [2024-10-31 21:58:52,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 709 states, 706 states have (on average 1.1345609065155808) internal successors, (801), 708 states have internal predecessors, (801), 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) [2024-10-31 21:58:52,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 709 states to 709 states and 801 transitions. [2024-10-31 21:58:52,939 INFO L78 Accepts]: Start accepts. Automaton has 709 states and 801 transitions. Word has length 123 [2024-10-31 21:58:52,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 21:58:52,939 INFO L471 AbstractCegarLoop]: Abstraction has 709 states and 801 transitions. [2024-10-31 21:58:52,940 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 47 states have (on average 5.212765957446808) internal successors, (245), 48 states have internal predecessors, (245), 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) [2024-10-31 21:58:52,940 INFO L276 IsEmpty]: Start isEmpty. Operand 709 states and 801 transitions. [2024-10-31 21:58:52,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2024-10-31 21:58:52,943 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:58:52,943 INFO L215 NwaCegarLoop]: trace histogram [47, 47, 47, 47, 46, 1, 1, 1, 1] [2024-10-31 21:58:52,965 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51d09c9-082f-44d3-b798-7da5c0bd8ed9/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-10-31 21:58:53,143 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51d09c9-082f-44d3-b798-7da5c0bd8ed9/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-10-31 21:58:53,144 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-31 21:58:53,145 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:58:53,145 INFO L85 PathProgramCache]: Analyzing trace with hash -1587866513, now seen corresponding path program 5 times [2024-10-31 21:58:53,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:58:53,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081976836] [2024-10-31 21:58:53,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:58:53,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:58:53,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:55,835 INFO L134 CoverageAnalysis]: Checked inductivity of 5405 backedges. 0 proven. 5405 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:58:55,836 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:58:55,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2081976836] [2024-10-31 21:58:55,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2081976836] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 21:58:55,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1429836702] [2024-10-31 21:58:55,837 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-10-31 21:58:55,837 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 21:58:55,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51d09c9-082f-44d3-b798-7da5c0bd8ed9/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:55,839 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51d09c9-082f-44d3-b798-7da5c0bd8ed9/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 21:58:55,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51d09c9-082f-44d3-b798-7da5c0bd8ed9/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-10-31 21:58:55,989 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2024-10-31 21:58:55,990 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-31 21:58:55,992 INFO L255 TraceCheckSpWp]: Trace formula consists of 434 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-10-31 21:58:55,996 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:58:56,397 INFO L134 CoverageAnalysis]: Checked inductivity of 5405 backedges. 0 proven. 5405 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:58:56,397 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 21:59:00,496 INFO L134 CoverageAnalysis]: Checked inductivity of 5405 backedges. 0 proven. 5405 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:59:00,496 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1429836702] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 21:59:00,496 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 21:59:00,497 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48, 48, 48] total 95 [2024-10-31 21:59:00,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188238482] [2024-10-31 21:59:00,497 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 21:59:00,498 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2024-10-31 21:59:00,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:59:00,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2024-10-31 21:59:00,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4560, Invalid=4560, Unknown=0, NotChecked=0, Total=9120 [2024-10-31 21:59:00,505 INFO L87 Difference]: Start difference. First operand 709 states and 801 transitions. Second operand has 96 states, 95 states have (on average 5.0) internal successors, (475), 96 states have internal predecessors, (475), 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) [2024-10-31 21:59:04,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:59:04,942 INFO L93 Difference]: Finished difference Result 11995 states and 13357 transitions. [2024-10-31 21:59:04,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2024-10-31 21:59:04,943 INFO L78 Accepts]: Start accepts. Automaton has has 96 states, 95 states have (on average 5.0) internal successors, (475), 96 states have internal predecessors, (475), 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 238 [2024-10-31 21:59:04,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 21:59:04,978 INFO L225 Difference]: With dead ends: 11995 [2024-10-31 21:59:04,978 INFO L226 Difference]: Without dead ends: 11993 [2024-10-31 21:59:04,986 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 522 GetRequests, 428 SyntacticMatches, 0 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=4560, Invalid=4560, Unknown=0, NotChecked=0, Total=9120 [2024-10-31 21:59:04,987 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 1929 mSDsluCounter, 662 mSDsCounter, 0 mSdLazyCounter, 393 mSolverCounterSat, 439 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1929 SdHoareTripleChecker+Valid, 677 SdHoareTripleChecker+Invalid, 832 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 439 IncrementalHoareTripleChecker+Valid, 393 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-31 21:59:04,987 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1929 Valid, 677 Invalid, 832 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [439 Valid, 393 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-31 21:59:04,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11993 states. [2024-10-31 21:59:05,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11993 to 949. [2024-10-31 21:59:05,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 949 states, 946 states have (on average 1.1511627906976745) internal successors, (1089), 948 states have internal predecessors, (1089), 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) [2024-10-31 21:59:05,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 949 states to 949 states and 1089 transitions. [2024-10-31 21:59:05,281 INFO L78 Accepts]: Start accepts. Automaton has 949 states and 1089 transitions. Word has length 238 [2024-10-31 21:59:05,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 21:59:05,282 INFO L471 AbstractCegarLoop]: Abstraction has 949 states and 1089 transitions. [2024-10-31 21:59:05,283 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 96 states, 95 states have (on average 5.0) internal successors, (475), 96 states have internal predecessors, (475), 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) [2024-10-31 21:59:05,283 INFO L276 IsEmpty]: Start isEmpty. Operand 949 states and 1089 transitions. [2024-10-31 21:59:05,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2024-10-31 21:59:05,287 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:59:05,287 INFO L215 NwaCegarLoop]: trace histogram [47, 47, 47, 46, 46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:59:05,310 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51d09c9-082f-44d3-b798-7da5c0bd8ed9/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-10-31 21:59:05,488 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51d09c9-082f-44d3-b798-7da5c0bd8ed9/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-10-31 21:59:05,488 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-31 21:59:05,488 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:59:05,489 INFO L85 PathProgramCache]: Analyzing trace with hash 1282896255, now seen corresponding path program 5 times [2024-10-31 21:59:05,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:59:05,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1297480657] [2024-10-31 21:59:05,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:59:05,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:59:05,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat