./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-numeric/twisted.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/termination-numeric/twisted.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC --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 1b68c797f7da07f29717590596e5fa31674f85e16d7b32a9335da92aff43a272 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 01:45:35,217 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 01:45:35,339 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-24 01:45:35,353 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 01:45:35,353 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 01:45:35,402 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 01:45:35,403 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 01:45:35,404 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 01:45:35,404 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 01:45:35,405 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 01:45:35,405 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 01:45:35,405 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 01:45:35,405 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 01:45:35,405 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 01:45:35,405 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 01:45:35,406 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 01:45:35,406 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 01:45:35,406 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 01:45:35,406 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 01:45:35,406 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 01:45:35,406 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 01:45:35,406 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 01:45:35,406 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-24 01:45:35,406 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-24 01:45:35,407 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 01:45:35,407 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 01:45:35,409 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 01:45:35,410 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 01:45:35,410 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:45:35,410 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:45:35,411 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:45:35,411 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:45:35,411 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 01:45:35,411 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:45:35,412 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:45:35,412 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:45:35,412 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:45:35,412 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 01:45:35,412 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 01:45:35,413 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 01:45:35,413 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 01:45:35,413 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-24 01:45:35,413 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 01:45:35,413 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 01:45:35,414 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 01:45:35,414 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 01:45:35,414 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 01:45:35,414 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC 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 -> 1b68c797f7da07f29717590596e5fa31674f85e16d7b32a9335da92aff43a272 [2024-11-24 01:45:35,777 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 01:45:35,789 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 01:45:35,792 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 01:45:35,794 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 01:45:35,794 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 01:45:35,796 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/termination-numeric/twisted.c [2024-11-24 01:45:39,634 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/data/bfe299d71/eccc7b6d6ad64e53916a5c3a665a1090/FLAG2a576e456 [2024-11-24 01:45:39,910 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 01:45:39,910 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/sv-benchmarks/c/termination-numeric/twisted.c [2024-11-24 01:45:39,931 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/data/bfe299d71/eccc7b6d6ad64e53916a5c3a665a1090/FLAG2a576e456 [2024-11-24 01:45:39,960 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/data/bfe299d71/eccc7b6d6ad64e53916a5c3a665a1090 [2024-11-24 01:45:39,963 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 01:45:39,965 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 01:45:39,967 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 01:45:39,967 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 01:45:39,971 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 01:45:39,973 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:45:39" (1/1) ... [2024-11-24 01:45:39,974 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36506474 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:45:39, skipping insertion in model container [2024-11-24 01:45:39,974 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:45:39" (1/1) ... [2024-11-24 01:45:39,992 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 01:45:40,209 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:45:40,217 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 01:45:40,234 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:45:40,249 INFO L204 MainTranslator]: Completed translation [2024-11-24 01:45:40,249 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:45:40 WrapperNode [2024-11-24 01:45:40,250 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 01:45:40,251 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 01:45:40,251 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 01:45:40,251 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 01:45:40,265 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:45:40" (1/1) ... [2024-11-24 01:45:40,270 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:45:40" (1/1) ... [2024-11-24 01:45:40,294 INFO L138 Inliner]: procedures = 5, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 50 [2024-11-24 01:45:40,294 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 01:45:40,295 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 01:45:40,295 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 01:45:40,295 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 01:45:40,307 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:45:40" (1/1) ... [2024-11-24 01:45:40,307 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:45:40" (1/1) ... [2024-11-24 01:45:40,308 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:45:40" (1/1) ... [2024-11-24 01:45:40,316 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-24 01:45:40,316 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:45:40" (1/1) ... [2024-11-24 01:45:40,316 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:45:40" (1/1) ... [2024-11-24 01:45:40,320 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:45:40" (1/1) ... [2024-11-24 01:45:40,325 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:45:40" (1/1) ... [2024-11-24 01:45:40,334 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:45:40" (1/1) ... [2024-11-24 01:45:40,336 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:45:40" (1/1) ... [2024-11-24 01:45:40,340 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:45:40" (1/1) ... [2024-11-24 01:45:40,342 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 01:45:40,343 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 01:45:40,343 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 01:45:40,343 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 01:45:40,348 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:45:40" (1/1) ... [2024-11-24 01:45:40,360 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:45:40,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:45:40,403 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 01:45:40,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 01:45:40,443 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 01:45:40,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 01:45:40,510 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 01:45:40,513 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 01:45:40,768 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-24 01:45:40,771 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 01:45:40,787 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 01:45:40,787 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-24 01:45:40,788 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:45:40 BoogieIcfgContainer [2024-11-24 01:45:40,789 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 01:45:40,793 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 01:45:40,795 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 01:45:40,801 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 01:45:40,802 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 01:45:39" (1/3) ... [2024-11-24 01:45:40,803 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fa16c6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:45:40, skipping insertion in model container [2024-11-24 01:45:40,803 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:45:40" (2/3) ... [2024-11-24 01:45:40,803 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fa16c6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:45:40, skipping insertion in model container [2024-11-24 01:45:40,803 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:45:40" (3/3) ... [2024-11-24 01:45:40,805 INFO L128 eAbstractionObserver]: Analyzing ICFG twisted.c [2024-11-24 01:45:40,831 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 01:45:40,834 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG twisted.c that has 1 procedures, 26 locations, 1 initial locations, 2 loop locations, and 6 error locations. [2024-11-24 01:45:40,930 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 01:45:40,953 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;@2ab8e83b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 01:45:40,954 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-11-24 01:45:40,961 INFO L276 IsEmpty]: Start isEmpty. Operand has 26 states, 19 states have (on average 1.631578947368421) internal successors, (31), 25 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:45:40,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-24 01:45:40,971 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:45:40,972 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-24 01:45:40,974 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-24 01:45:40,982 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:45:40,984 INFO L85 PathProgramCache]: Analyzing trace with hash 28713271, now seen corresponding path program 1 times [2024-11-24 01:45:40,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:45:40,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [440912774] [2024-11-24 01:45:40,999 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:45:41,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:45:41,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:45:41,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:45:41,189 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:45:41,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [440912774] [2024-11-24 01:45:41,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [440912774] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:45:41,191 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:45:41,191 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 01:45:41,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358461293] [2024-11-24 01:45:41,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:45:41,200 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-24 01:45:41,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:45:41,231 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-24 01:45:41,232 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 01:45:41,237 INFO L87 Difference]: Start difference. First operand has 26 states, 19 states have (on average 1.631578947368421) internal successors, (31), 25 states have internal predecessors, (31), 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 2 states, 2 states have (on average 2.5) internal successors, (5), 2 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) [2024-11-24 01:45:41,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:45:41,257 INFO L93 Difference]: Finished difference Result 50 states and 60 transitions. [2024-11-24 01:45:41,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-24 01:45:41,260 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 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 [2024-11-24 01:45:41,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:45:41,269 INFO L225 Difference]: With dead ends: 50 [2024-11-24 01:45:41,269 INFO L226 Difference]: Without dead ends: 22 [2024-11-24 01:45:41,273 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 01:45:41,281 INFO L435 NwaCegarLoop]: 29 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:45:41,282 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:45:41,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2024-11-24 01:45:41,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2024-11-24 01:45:41,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 16 states have (on average 1.5625) internal successors, (25), 21 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) [2024-11-24 01:45:41,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 25 transitions. [2024-11-24 01:45:41,337 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 25 transitions. Word has length 5 [2024-11-24 01:45:41,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:45:41,337 INFO L471 AbstractCegarLoop]: Abstraction has 22 states and 25 transitions. [2024-11-24 01:45:41,338 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 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) [2024-11-24 01:45:41,338 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2024-11-24 01:45:41,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-24 01:45:41,338 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:45:41,339 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-24 01:45:41,339 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-24 01:45:41,339 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-24 01:45:41,342 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:45:41,343 INFO L85 PathProgramCache]: Analyzing trace with hash 889538535, now seen corresponding path program 1 times [2024-11-24 01:45:41,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:45:41,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [556182175] [2024-11-24 01:45:41,344 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:45:41,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:45:41,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:45:41,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:45:41,503 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:45:41,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [556182175] [2024-11-24 01:45:41,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [556182175] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:45:41,503 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:45:41,503 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:45:41,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463101335] [2024-11-24 01:45:41,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:45:41,508 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 01:45:41,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:45:41,509 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 01:45:41,509 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 01:45:41,510 INFO L87 Difference]: Start difference. First operand 22 states and 25 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) [2024-11-24 01:45:41,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:45:41,616 INFO L93 Difference]: Finished difference Result 22 states and 25 transitions. [2024-11-24 01:45:41,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 01:45:41,617 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 [2024-11-24 01:45:41,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:45:41,618 INFO L225 Difference]: With dead ends: 22 [2024-11-24 01:45:41,618 INFO L226 Difference]: Without dead ends: 21 [2024-11-24 01:45:41,619 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 01:45:41,621 INFO L435 NwaCegarLoop]: 11 mSDtfsCounter, 15 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 01:45:41,623 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 22 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 01:45:41,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2024-11-24 01:45:41,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2024-11-24 01:45:41,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 16 states have (on average 1.5) internal successors, (24), 20 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:45:41,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 24 transitions. [2024-11-24 01:45:41,632 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 24 transitions. Word has length 6 [2024-11-24 01:45:41,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:45:41,632 INFO L471 AbstractCegarLoop]: Abstraction has 21 states and 24 transitions. [2024-11-24 01:45:41,632 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) [2024-11-24 01:45:41,632 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 24 transitions. [2024-11-24 01:45:41,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-24 01:45:41,633 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:45:41,634 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:45:41,634 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-24 01:45:41,635 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-24 01:45:41,636 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:45:41,638 INFO L85 PathProgramCache]: Analyzing trace with hash 1805890856, now seen corresponding path program 1 times [2024-11-24 01:45:41,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:45:41,638 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462441905] [2024-11-24 01:45:41,639 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:45:41,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:45:41,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:45:41,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:45:41,765 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:45:41,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [462441905] [2024-11-24 01:45:41,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [462441905] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:45:41,768 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:45:41,769 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:45:41,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392963184] [2024-11-24 01:45:41,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:45:41,769 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 01:45:41,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:45:41,770 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 01:45:41,771 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 01:45:41,771 INFO L87 Difference]: Start difference. First operand 21 states and 24 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:45:41,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:45:41,881 INFO L93 Difference]: Finished difference Result 37 states and 44 transitions. [2024-11-24 01:45:41,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 01:45:41,882 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-24 01:45:41,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:45:41,883 INFO L225 Difference]: With dead ends: 37 [2024-11-24 01:45:41,884 INFO L226 Difference]: Without dead ends: 36 [2024-11-24 01:45:41,884 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 01:45:41,885 INFO L435 NwaCegarLoop]: 14 mSDtfsCounter, 12 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 01:45:41,888 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 37 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 01:45:41,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2024-11-24 01:45:41,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 32. [2024-11-24 01:45:41,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 27 states have (on average 1.4814814814814814) internal successors, (40), 31 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:45:41,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 40 transitions. [2024-11-24 01:45:41,903 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 40 transitions. Word has length 7 [2024-11-24 01:45:41,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:45:41,904 INFO L471 AbstractCegarLoop]: Abstraction has 32 states and 40 transitions. [2024-11-24 01:45:41,904 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:45:41,904 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 40 transitions. [2024-11-24 01:45:41,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-24 01:45:41,905 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:45:41,905 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:45:41,905 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-24 01:45:41,906 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-24 01:45:41,907 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:45:41,909 INFO L85 PathProgramCache]: Analyzing trace with hash 1805965443, now seen corresponding path program 1 times [2024-11-24 01:45:41,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:45:41,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1994187769] [2024-11-24 01:45:41,910 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:45:41,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:45:41,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:45:42,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:45:42,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:45:42,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1994187769] [2024-11-24 01:45:42,005 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1994187769] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:45:42,005 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:45:42,006 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 01:45:42,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39855405] [2024-11-24 01:45:42,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:45:42,007 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:45:42,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:45:42,008 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:45:42,009 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:45:42,009 INFO L87 Difference]: Start difference. First operand 32 states and 40 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) [2024-11-24 01:45:42,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:45:42,093 INFO L93 Difference]: Finished difference Result 41 states and 51 transitions. [2024-11-24 01:45:42,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:45:42,097 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-24 01:45:42,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:45:42,098 INFO L225 Difference]: With dead ends: 41 [2024-11-24 01:45:42,098 INFO L226 Difference]: Without dead ends: 40 [2024-11-24 01:45:42,098 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:45:42,099 INFO L435 NwaCegarLoop]: 16 mSDtfsCounter, 3 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 01:45:42,100 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 24 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 01:45:42,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2024-11-24 01:45:42,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 37. [2024-11-24 01:45:42,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 32 states have (on average 1.46875) internal successors, (47), 36 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:45:42,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 47 transitions. [2024-11-24 01:45:42,120 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 47 transitions. Word has length 7 [2024-11-24 01:45:42,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:45:42,120 INFO L471 AbstractCegarLoop]: Abstraction has 37 states and 47 transitions. [2024-11-24 01:45:42,121 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:45:42,121 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 47 transitions. [2024-11-24 01:45:42,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-24 01:45:42,121 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:45:42,121 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:45:42,122 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-24 01:45:42,122 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-24 01:45:42,123 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:45:42,127 INFO L85 PathProgramCache]: Analyzing trace with hash 150353966, now seen corresponding path program 1 times [2024-11-24 01:45:42,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:45:42,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1403639559] [2024-11-24 01:45:42,127 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:45:42,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:45:42,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:45:42,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:45:42,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:45:42,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1403639559] [2024-11-24 01:45:42,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1403639559] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:45:42,217 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:45:42,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 01:45:42,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79653274] [2024-11-24 01:45:42,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:45:42,218 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:45:42,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:45:42,218 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:45:42,219 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:45:42,219 INFO L87 Difference]: Start difference. First operand 37 states and 47 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:45:42,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:45:42,284 INFO L93 Difference]: Finished difference Result 41 states and 50 transitions. [2024-11-24 01:45:42,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:45:42,285 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-11-24 01:45:42,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:45:42,285 INFO L225 Difference]: With dead ends: 41 [2024-11-24 01:45:42,286 INFO L226 Difference]: Without dead ends: 38 [2024-11-24 01:45:42,286 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:45:42,287 INFO L435 NwaCegarLoop]: 17 mSDtfsCounter, 2 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 01:45:42,288 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 25 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 01:45:42,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2024-11-24 01:45:42,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 36. [2024-11-24 01:45:42,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 31 states have (on average 1.4516129032258065) internal successors, (45), 35 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:45:42,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 45 transitions. [2024-11-24 01:45:42,295 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 45 transitions. Word has length 8 [2024-11-24 01:45:42,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:45:42,296 INFO L471 AbstractCegarLoop]: Abstraction has 36 states and 45 transitions. [2024-11-24 01:45:42,296 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:45:42,296 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 45 transitions. [2024-11-24 01:45:42,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-24 01:45:42,296 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:45:42,297 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:45:42,297 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-24 01:45:42,297 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-24 01:45:42,298 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:45:42,298 INFO L85 PathProgramCache]: Analyzing trace with hash 150351596, now seen corresponding path program 1 times [2024-11-24 01:45:42,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:45:42,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [997336444] [2024-11-24 01:45:42,298 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:45:42,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:45:42,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:45:42,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:45:42,385 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:45:42,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [997336444] [2024-11-24 01:45:42,385 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [997336444] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:45:42,386 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:45:42,386 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:45:42,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102797724] [2024-11-24 01:45:42,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:45:42,386 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 01:45:42,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:45:42,388 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 01:45:42,388 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 01:45:42,388 INFO L87 Difference]: Start difference. First operand 36 states and 45 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:45:42,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:45:42,449 INFO L93 Difference]: Finished difference Result 36 states and 45 transitions. [2024-11-24 01:45:42,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 01:45:42,450 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-11-24 01:45:42,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:45:42,451 INFO L225 Difference]: With dead ends: 36 [2024-11-24 01:45:42,451 INFO L226 Difference]: Without dead ends: 35 [2024-11-24 01:45:42,451 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 01:45:42,452 INFO L435 NwaCegarLoop]: 14 mSDtfsCounter, 12 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 01:45:42,453 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 28 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 01:45:42,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2024-11-24 01:45:42,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2024-11-24 01:45:42,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 31 states have (on average 1.3870967741935485) internal successors, (43), 34 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:45:42,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 43 transitions. [2024-11-24 01:45:42,461 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 43 transitions. Word has length 8 [2024-11-24 01:45:42,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:45:42,461 INFO L471 AbstractCegarLoop]: Abstraction has 35 states and 43 transitions. [2024-11-24 01:45:42,462 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:45:42,462 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 43 transitions. [2024-11-24 01:45:42,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-24 01:45:42,462 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:45:42,463 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:45:42,463 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-24 01:45:42,463 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-24 01:45:42,464 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:45:42,464 INFO L85 PathProgramCache]: Analyzing trace with hash 365932249, now seen corresponding path program 1 times [2024-11-24 01:45:42,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:45:42,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847816615] [2024-11-24 01:45:42,465 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:45:42,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:45:42,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:45:42,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:45:42,557 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:45:42,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [847816615] [2024-11-24 01:45:42,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [847816615] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:45:42,557 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:45:42,558 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:45:42,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701619008] [2024-11-24 01:45:42,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:45:42,558 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 01:45:42,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:45:42,559 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 01:45:42,559 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 01:45:42,560 INFO L87 Difference]: Start difference. First operand 35 states and 43 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:45:42,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:45:42,646 INFO L93 Difference]: Finished difference Result 55 states and 68 transitions. [2024-11-24 01:45:42,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 01:45:42,647 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2024-11-24 01:45:42,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:45:42,648 INFO L225 Difference]: With dead ends: 55 [2024-11-24 01:45:42,650 INFO L226 Difference]: Without dead ends: 54 [2024-11-24 01:45:42,651 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 01:45:42,652 INFO L435 NwaCegarLoop]: 15 mSDtfsCounter, 9 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 01:45:42,652 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 42 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 01:45:42,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2024-11-24 01:45:42,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 51. [2024-11-24 01:45:42,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 47 states have (on average 1.3404255319148937) internal successors, (63), 50 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:45:42,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 63 transitions. [2024-11-24 01:45:42,670 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 63 transitions. Word has length 9 [2024-11-24 01:45:42,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:45:42,670 INFO L471 AbstractCegarLoop]: Abstraction has 51 states and 63 transitions. [2024-11-24 01:45:42,671 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:45:42,671 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 63 transitions. [2024-11-24 01:45:42,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-24 01:45:42,671 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:45:42,671 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:45:42,672 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-24 01:45:42,674 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-24 01:45:42,676 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:45:42,676 INFO L85 PathProgramCache]: Analyzing trace with hash -619878882, now seen corresponding path program 1 times [2024-11-24 01:45:42,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:45:42,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265641806] [2024-11-24 01:45:42,676 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:45:42,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:45:42,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:45:42,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:45:42,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:45:42,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265641806] [2024-11-24 01:45:42,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1265641806] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:45:42,851 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:45:42,851 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 01:45:42,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258641878] [2024-11-24 01:45:42,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:45:42,852 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 01:45:42,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:45:42,853 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 01:45:42,853 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:45:42,854 INFO L87 Difference]: Start difference. First operand 51 states and 63 transitions. Second operand has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 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) [2024-11-24 01:45:43,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:45:43,011 INFO L93 Difference]: Finished difference Result 54 states and 66 transitions. [2024-11-24 01:45:43,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:45:43,012 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 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 [2024-11-24 01:45:43,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:45:43,013 INFO L225 Difference]: With dead ends: 54 [2024-11-24 01:45:43,013 INFO L226 Difference]: Without dead ends: 53 [2024-11-24 01:45:43,013 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:45:43,014 INFO L435 NwaCegarLoop]: 11 mSDtfsCounter, 10 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 01:45:43,015 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 26 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 01:45:43,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2024-11-24 01:45:43,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 52. [2024-11-24 01:45:43,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 48 states have (on average 1.3333333333333333) internal successors, (64), 51 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:45:43,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 64 transitions. [2024-11-24 01:45:43,029 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 64 transitions. Word has length 11 [2024-11-24 01:45:43,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:45:43,030 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 64 transitions. [2024-11-24 01:45:43,030 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 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) [2024-11-24 01:45:43,030 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 64 transitions. [2024-11-24 01:45:43,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-24 01:45:43,031 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:45:43,031 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-24 01:45:43,031 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-24 01:45:43,031 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-24 01:45:43,032 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:45:43,033 INFO L85 PathProgramCache]: Analyzing trace with hash -2038809456, now seen corresponding path program 1 times [2024-11-24 01:45:43,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:45:43,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [150635474] [2024-11-24 01:45:43,034 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:45:43,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:45:43,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:45:43,186 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:45:43,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:45:43,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [150635474] [2024-11-24 01:45:43,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [150635474] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:45:43,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1625740443] [2024-11-24 01:45:43,187 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:45:43,187 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:45:43,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:45:43,191 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:45:43,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-24 01:45:43,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:45:43,263 INFO L256 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-24 01:45:43,271 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:45:43,362 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:45:43,362 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:45:43,471 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:45:43,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1625740443] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 01:45:43,475 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 01:45:43,475 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2024-11-24 01:45:43,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299228156] [2024-11-24 01:45:43,475 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 01:45:43,476 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-24 01:45:43,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:45:43,477 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-24 01:45:43,477 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-24 01:45:43,477 INFO L87 Difference]: Start difference. First operand 52 states and 64 transitions. Second operand has 10 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 10 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:45:43,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:45:43,668 INFO L93 Difference]: Finished difference Result 135 states and 176 transitions. [2024-11-24 01:45:43,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-24 01:45:43,669 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 10 states have internal predecessors, (23), 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 [2024-11-24 01:45:43,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:45:43,674 INFO L225 Difference]: With dead ends: 135 [2024-11-24 01:45:43,674 INFO L226 Difference]: Without dead ends: 134 [2024-11-24 01:45:43,674 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-24 01:45:43,675 INFO L435 NwaCegarLoop]: 11 mSDtfsCounter, 69 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-24 01:45:43,679 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 65 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-24 01:45:43,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2024-11-24 01:45:43,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 94. [2024-11-24 01:45:43,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 90 states have (on average 1.3555555555555556) internal successors, (122), 93 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:45:43,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 122 transitions. [2024-11-24 01:45:43,694 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 122 transitions. Word has length 12 [2024-11-24 01:45:43,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:45:43,694 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 122 transitions. [2024-11-24 01:45:43,694 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 10 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:45:43,694 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 122 transitions. [2024-11-24 01:45:43,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-24 01:45:43,695 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:45:43,695 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:45:43,709 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-24 01:45:43,899 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:45:43,899 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-24 01:45:43,900 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:45:43,900 INFO L85 PathProgramCache]: Analyzing trace with hash -2036376077, now seen corresponding path program 1 times [2024-11-24 01:45:43,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:45:43,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1388851218] [2024-11-24 01:45:43,900 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:45:43,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:45:43,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:45:44,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:45:44,031 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:45:44,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1388851218] [2024-11-24 01:45:44,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1388851218] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:45:44,031 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:45:44,031 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 01:45:44,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [452888449] [2024-11-24 01:45:44,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:45:44,032 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 01:45:44,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:45:44,032 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 01:45:44,032 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:45:44,033 INFO L87 Difference]: Start difference. First operand 94 states and 122 transitions. Second operand has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 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) [2024-11-24 01:45:44,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:45:44,128 INFO L93 Difference]: Finished difference Result 98 states and 125 transitions. [2024-11-24 01:45:44,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:45:44,129 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 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 [2024-11-24 01:45:44,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:45:44,130 INFO L225 Difference]: With dead ends: 98 [2024-11-24 01:45:44,130 INFO L226 Difference]: Without dead ends: 95 [2024-11-24 01:45:44,130 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:45:44,131 INFO L435 NwaCegarLoop]: 12 mSDtfsCounter, 9 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 01:45:44,131 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 26 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 01:45:44,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2024-11-24 01:45:44,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 92. [2024-11-24 01:45:44,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 88 states have (on average 1.3522727272727273) internal successors, (119), 91 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:45:44,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 119 transitions. [2024-11-24 01:45:44,142 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 119 transitions. Word has length 12 [2024-11-24 01:45:44,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:45:44,143 INFO L471 AbstractCegarLoop]: Abstraction has 92 states and 119 transitions. [2024-11-24 01:45:44,143 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 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) [2024-11-24 01:45:44,143 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 119 transitions. [2024-11-24 01:45:44,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-24 01:45:44,143 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:45:44,143 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:45:44,144 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-24 01:45:44,144 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-24 01:45:44,144 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:45:44,144 INFO L85 PathProgramCache]: Analyzing trace with hash 860703935, now seen corresponding path program 1 times [2024-11-24 01:45:44,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:45:44,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2052693466] [2024-11-24 01:45:44,145 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:45:44,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:45:44,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:45:44,281 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:45:44,281 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:45:44,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2052693466] [2024-11-24 01:45:44,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2052693466] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:45:44,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [533306490] [2024-11-24 01:45:44,282 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:45:44,282 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:45:44,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:45:44,286 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:45:44,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-24 01:45:44,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:45:44,337 INFO L256 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-24 01:45:44,339 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:45:44,458 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:45:44,458 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:45:44,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [533306490] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:45:44,458 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 01:45:44,458 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2024-11-24 01:45:44,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614799223] [2024-11-24 01:45:44,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:45:44,459 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 01:45:44,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:45:44,460 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 01:45:44,460 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-11-24 01:45:44,460 INFO L87 Difference]: Start difference. First operand 92 states and 119 transitions. Second operand has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 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) [2024-11-24 01:45:44,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:45:44,553 INFO L93 Difference]: Finished difference Result 109 states and 140 transitions. [2024-11-24 01:45:44,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:45:44,554 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 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 [2024-11-24 01:45:44,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:45:44,555 INFO L225 Difference]: With dead ends: 109 [2024-11-24 01:45:44,555 INFO L226 Difference]: Without dead ends: 108 [2024-11-24 01:45:44,555 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-11-24 01:45:44,556 INFO L435 NwaCegarLoop]: 12 mSDtfsCounter, 10 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 01:45:44,557 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 26 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 01:45:44,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2024-11-24 01:45:44,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 105. [2024-11-24 01:45:44,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 101 states have (on average 1.3465346534653466) internal successors, (136), 104 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:45:44,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 136 transitions. [2024-11-24 01:45:44,569 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 136 transitions. Word has length 12 [2024-11-24 01:45:44,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:45:44,570 INFO L471 AbstractCegarLoop]: Abstraction has 105 states and 136 transitions. [2024-11-24 01:45:44,570 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 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) [2024-11-24 01:45:44,570 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 136 transitions. [2024-11-24 01:45:44,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-24 01:45:44,571 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:45:44,571 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:45:44,582 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-24 01:45:44,775 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:45:44,777 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-24 01:45:44,778 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:45:44,778 INFO L85 PathProgramCache]: Analyzing trace with hash 912018290, now seen corresponding path program 1 times [2024-11-24 01:45:44,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:45:44,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [774412694] [2024-11-24 01:45:44,779 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:45:44,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:45:44,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:45:44,933 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:45:44,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:45:44,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [774412694] [2024-11-24 01:45:44,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [774412694] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:45:44,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1560340348] [2024-11-24 01:45:44,933 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:45:44,933 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:45:44,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:45:44,939 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:45:44,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-24 01:45:44,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:45:44,974 INFO L256 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-24 01:45:44,975 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:45:45,119 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:45:45,119 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:45:45,203 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:45:45,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1560340348] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 01:45:45,205 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 01:45:45,205 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 10 [2024-11-24 01:45:45,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383215853] [2024-11-24 01:45:45,205 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 01:45:45,206 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-24 01:45:45,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:45:45,207 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-24 01:45:45,207 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2024-11-24 01:45:45,207 INFO L87 Difference]: Start difference. First operand 105 states and 136 transitions. Second operand has 11 states, 10 states have (on average 3.7) internal successors, (37), 11 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:45:45,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:45:45,408 INFO L93 Difference]: Finished difference Result 141 states and 183 transitions. [2024-11-24 01:45:45,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-24 01:45:45,410 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.7) internal successors, (37), 11 states have internal predecessors, (37), 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 [2024-11-24 01:45:45,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:45:45,411 INFO L225 Difference]: With dead ends: 141 [2024-11-24 01:45:45,411 INFO L226 Difference]: Without dead ends: 132 [2024-11-24 01:45:45,412 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2024-11-24 01:45:45,412 INFO L435 NwaCegarLoop]: 11 mSDtfsCounter, 26 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 154 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 154 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-24 01:45:45,413 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 48 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 154 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-24 01:45:45,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2024-11-24 01:45:45,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 123. [2024-11-24 01:45:45,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 119 states have (on average 1.3529411764705883) internal successors, (161), 122 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:45:45,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 161 transitions. [2024-11-24 01:45:45,434 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 161 transitions. Word has length 13 [2024-11-24 01:45:45,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:45:45,434 INFO L471 AbstractCegarLoop]: Abstraction has 123 states and 161 transitions. [2024-11-24 01:45:45,434 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.7) internal successors, (37), 11 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:45:45,435 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 161 transitions. [2024-11-24 01:45:45,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-24 01:45:45,435 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:45:45,435 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:45:45,445 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-24 01:45:45,636 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-24 01:45:45,637 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-24 01:45:45,637 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:45:45,637 INFO L85 PathProgramCache]: Analyzing trace with hash -1792277483, now seen corresponding path program 1 times [2024-11-24 01:45:45,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:45:45,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146056722] [2024-11-24 01:45:45,637 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:45:45,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:45:45,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:45:45,724 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:45:45,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:45:45,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146056722] [2024-11-24 01:45:45,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [146056722] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:45:45,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1855134990] [2024-11-24 01:45:45,724 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:45:45,725 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:45:45,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:45:45,727 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:45:45,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-24 01:45:45,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:45:45,809 INFO L256 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-24 01:45:45,810 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:45:45,851 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:45:45,851 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:45:45,920 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:45:45,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1855134990] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 01:45:45,920 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 01:45:45,921 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2024-11-24 01:45:45,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969645745] [2024-11-24 01:45:45,921 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 01:45:45,921 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-24 01:45:45,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:45:45,922 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-24 01:45:45,922 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-24 01:45:45,923 INFO L87 Difference]: Start difference. First operand 123 states and 161 transitions. Second operand has 10 states, 9 states have (on average 3.0) internal successors, (27), 10 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) [2024-11-24 01:45:46,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:45:46,059 INFO L93 Difference]: Finished difference Result 313 states and 424 transitions. [2024-11-24 01:45:46,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-24 01:45:46,060 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.0) internal successors, (27), 10 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2024-11-24 01:45:46,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:45:46,062 INFO L225 Difference]: With dead ends: 313 [2024-11-24 01:45:46,062 INFO L226 Difference]: Without dead ends: 312 [2024-11-24 01:45:46,062 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-24 01:45:46,063 INFO L435 NwaCegarLoop]: 15 mSDtfsCounter, 45 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 01:45:46,064 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 110 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 01:45:46,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states. [2024-11-24 01:45:46,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 300. [2024-11-24 01:45:46,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 300 states, 296 states have (on average 1.3344594594594594) internal successors, (395), 299 states have internal predecessors, (395), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:45:46,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 300 states and 395 transitions. [2024-11-24 01:45:46,091 INFO L78 Accepts]: Start accepts. Automaton has 300 states and 395 transitions. Word has length 14 [2024-11-24 01:45:46,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:45:46,091 INFO L471 AbstractCegarLoop]: Abstraction has 300 states and 395 transitions. [2024-11-24 01:45:46,091 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.0) internal successors, (27), 10 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) [2024-11-24 01:45:46,092 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 395 transitions. [2024-11-24 01:45:46,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-24 01:45:46,092 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:45:46,093 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:45:46,104 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-24 01:45:46,297 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-24 01:45:46,300 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-24 01:45:46,300 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:45:46,301 INFO L85 PathProgramCache]: Analyzing trace with hash -927725564, now seen corresponding path program 1 times [2024-11-24 01:45:46,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:45:46,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695106061] [2024-11-24 01:45:46,304 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:45:46,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:45:46,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:45:46,434 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:45:46,434 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:45:46,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [695106061] [2024-11-24 01:45:46,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [695106061] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:45:46,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1496269465] [2024-11-24 01:45:46,434 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:45:46,435 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:45:46,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:45:46,439 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:45:46,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-24 01:45:46,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:45:46,487 INFO L256 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-24 01:45:46,488 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:45:46,655 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:45:46,655 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:45:46,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1496269465] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:45:46,655 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 01:45:46,655 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 11 [2024-11-24 01:45:46,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922997987] [2024-11-24 01:45:46,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:45:46,656 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-24 01:45:46,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:45:46,657 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-24 01:45:46,657 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-11-24 01:45:46,657 INFO L87 Difference]: Start difference. First operand 300 states and 395 transitions. Second operand has 7 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 7 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:45:46,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:45:46,802 INFO L93 Difference]: Finished difference Result 362 states and 480 transitions. [2024-11-24 01:45:46,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-24 01:45:46,803 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 7 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2024-11-24 01:45:46,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:45:46,807 INFO L225 Difference]: With dead ends: 362 [2024-11-24 01:45:46,807 INFO L226 Difference]: Without dead ends: 361 [2024-11-24 01:45:46,808 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-11-24 01:45:46,808 INFO L435 NwaCegarLoop]: 6 mSDtfsCounter, 14 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 01:45:46,809 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 21 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 01:45:46,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 361 states. [2024-11-24 01:45:46,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 361 to 279. [2024-11-24 01:45:46,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 279 states, 276 states have (on average 1.3297101449275361) internal successors, (367), 278 states have internal predecessors, (367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:45:46,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 367 transitions. [2024-11-24 01:45:46,835 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 367 transitions. Word has length 16 [2024-11-24 01:45:46,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:45:46,836 INFO L471 AbstractCegarLoop]: Abstraction has 279 states and 367 transitions. [2024-11-24 01:45:46,836 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 7 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:45:46,836 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 367 transitions. [2024-11-24 01:45:46,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-24 01:45:46,837 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:45:46,838 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:45:46,851 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-24 01:45:47,040 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:45:47,041 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-24 01:45:47,041 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:45:47,042 INFO L85 PathProgramCache]: Analyzing trace with hash -784517237, now seen corresponding path program 1 times [2024-11-24 01:45:47,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:45:47,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58964636] [2024-11-24 01:45:47,042 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:45:47,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:45:47,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:45:47,171 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:45:47,171 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:45:47,172 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [58964636] [2024-11-24 01:45:47,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [58964636] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:45:47,172 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [211705692] [2024-11-24 01:45:47,172 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:45:47,172 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:45:47,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:45:47,176 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:45:47,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-24 01:45:47,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:45:47,230 INFO L256 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-24 01:45:47,231 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:45:47,427 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:45:47,429 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:45:47,552 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:45:47,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [211705692] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 01:45:47,553 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 01:45:47,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 16 [2024-11-24 01:45:47,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773119172] [2024-11-24 01:45:47,553 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 01:45:47,553 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-24 01:45:47,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:45:47,555 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-24 01:45:47,555 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2024-11-24 01:45:47,556 INFO L87 Difference]: Start difference. First operand 279 states and 367 transitions. Second operand has 17 states, 16 states have (on average 3.0625) internal successors, (49), 17 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:45:47,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:45:47,712 INFO L93 Difference]: Finished difference Result 290 states and 378 transitions. [2024-11-24 01:45:47,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-24 01:45:47,714 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 3.0625) internal successors, (49), 17 states have internal predecessors, (49), 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 [2024-11-24 01:45:47,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:45:47,715 INFO L225 Difference]: With dead ends: 290 [2024-11-24 01:45:47,715 INFO L226 Difference]: Without dead ends: 285 [2024-11-24 01:45:47,718 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2024-11-24 01:45:47,719 INFO L435 NwaCegarLoop]: 11 mSDtfsCounter, 23 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 01:45:47,720 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 46 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 01:45:47,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2024-11-24 01:45:47,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 279. [2024-11-24 01:45:47,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 279 states, 276 states have (on average 1.3224637681159421) internal successors, (365), 278 states have internal predecessors, (365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:45:47,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 365 transitions. [2024-11-24 01:45:47,743 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 365 transitions. Word has length 17 [2024-11-24 01:45:47,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:45:47,743 INFO L471 AbstractCegarLoop]: Abstraction has 279 states and 365 transitions. [2024-11-24 01:45:47,744 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 3.0625) internal successors, (49), 17 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:45:47,744 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 365 transitions. [2024-11-24 01:45:47,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-24 01:45:47,744 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:45:47,745 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:45:47,759 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-24 01:45:47,945 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:45:47,945 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-24 01:45:47,946 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:45:47,946 INFO L85 PathProgramCache]: Analyzing trace with hash 1305278669, now seen corresponding path program 1 times [2024-11-24 01:45:47,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:45:47,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416712447] [2024-11-24 01:45:47,946 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:45:47,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:45:47,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:45:48,056 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:45:48,056 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:45:48,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1416712447] [2024-11-24 01:45:48,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1416712447] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:45:48,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1617937961] [2024-11-24 01:45:48,056 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:45:48,056 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:45:48,057 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:45:48,062 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:45:48,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-24 01:45:48,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:45:48,106 INFO L256 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-24 01:45:48,107 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:45:48,261 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:45:48,261 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:45:48,385 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:45:48,385 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1617937961] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 01:45:48,385 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 01:45:48,386 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 16 [2024-11-24 01:45:48,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962242121] [2024-11-24 01:45:48,386 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 01:45:48,386 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-24 01:45:48,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:45:48,388 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-24 01:45:48,388 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=202, Unknown=0, NotChecked=0, Total=272 [2024-11-24 01:45:48,388 INFO L87 Difference]: Start difference. First operand 279 states and 365 transitions. Second operand has 17 states, 16 states have (on average 3.0625) internal successors, (49), 17 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:45:48,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:45:48,690 INFO L93 Difference]: Finished difference Result 341 states and 442 transitions. [2024-11-24 01:45:48,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-24 01:45:48,691 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 3.0625) internal successors, (49), 17 states have internal predecessors, (49), 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 [2024-11-24 01:45:48,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:45:48,692 INFO L225 Difference]: With dead ends: 341 [2024-11-24 01:45:48,693 INFO L226 Difference]: Without dead ends: 330 [2024-11-24 01:45:48,693 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=80, Invalid=226, Unknown=0, NotChecked=0, Total=306 [2024-11-24 01:45:48,694 INFO L435 NwaCegarLoop]: 7 mSDtfsCounter, 42 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 220 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 220 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-24 01:45:48,694 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 52 Invalid, 222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 220 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-24 01:45:48,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2024-11-24 01:45:48,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 293. [2024-11-24 01:45:48,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 293 states, 290 states have (on average 1.3172413793103448) internal successors, (382), 292 states have internal predecessors, (382), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:45:48,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 382 transitions. [2024-11-24 01:45:48,715 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 382 transitions. Word has length 17 [2024-11-24 01:45:48,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:45:48,715 INFO L471 AbstractCegarLoop]: Abstraction has 293 states and 382 transitions. [2024-11-24 01:45:48,715 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 3.0625) internal successors, (49), 17 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:45:48,715 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 382 transitions. [2024-11-24 01:45:48,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-24 01:45:48,716 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:45:48,717 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:45:48,728 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-24 01:45:48,917 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-24 01:45:48,918 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-24 01:45:48,918 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:45:48,918 INFO L85 PathProgramCache]: Analyzing trace with hash 751787334, now seen corresponding path program 1 times [2024-11-24 01:45:48,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:45:48,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174095939] [2024-11-24 01:45:48,919 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:45:48,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:45:48,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:45:48,964 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:45:48,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:45:48,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174095939] [2024-11-24 01:45:48,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [174095939] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:45:48,965 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:45:48,965 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:45:48,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774786859] [2024-11-24 01:45:48,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:45:48,966 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:45:48,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:45:48,966 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:45:48,967 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:45:48,967 INFO L87 Difference]: Start difference. First operand 293 states and 382 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 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) [2024-11-24 01:45:49,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:45:49,033 INFO L93 Difference]: Finished difference Result 619 states and 808 transitions. [2024-11-24 01:45:49,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:45:49,033 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 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 25 [2024-11-24 01:45:49,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:45:49,035 INFO L225 Difference]: With dead ends: 619 [2024-11-24 01:45:49,036 INFO L226 Difference]: Without dead ends: 396 [2024-11-24 01:45:49,038 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:45:49,040 INFO L435 NwaCegarLoop]: 28 mSDtfsCounter, 6 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:45:49,040 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 39 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:45:49,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2024-11-24 01:45:49,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 346. [2024-11-24 01:45:49,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 346 states, 343 states have (on average 1.2915451895043732) internal successors, (443), 345 states have internal predecessors, (443), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:45:49,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 346 states and 443 transitions. [2024-11-24 01:45:49,077 INFO L78 Accepts]: Start accepts. Automaton has 346 states and 443 transitions. Word has length 25 [2024-11-24 01:45:49,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:45:49,077 INFO L471 AbstractCegarLoop]: Abstraction has 346 states and 443 transitions. [2024-11-24 01:45:49,077 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 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) [2024-11-24 01:45:49,078 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 443 transitions. [2024-11-24 01:45:49,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-24 01:45:49,079 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:45:49,079 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:45:49,080 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-24 01:45:49,080 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-24 01:45:49,082 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:45:49,082 INFO L85 PathProgramCache]: Analyzing trace with hash -873171236, now seen corresponding path program 1 times [2024-11-24 01:45:49,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:45:49,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379187896] [2024-11-24 01:45:49,083 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:45:49,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:45:49,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:45:49,121 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-24 01:45:49,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:45:49,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [379187896] [2024-11-24 01:45:49,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [379187896] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:45:49,122 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:45:49,122 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:45:49,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973912852] [2024-11-24 01:45:49,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:45:49,122 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:45:49,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:45:49,123 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:45:49,123 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:45:49,123 INFO L87 Difference]: Start difference. First operand 346 states and 443 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 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) [2024-11-24 01:45:49,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:45:49,196 INFO L93 Difference]: Finished difference Result 714 states and 925 transitions. [2024-11-24 01:45:49,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:45:49,197 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 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) Word has length 25 [2024-11-24 01:45:49,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:45:49,200 INFO L225 Difference]: With dead ends: 714 [2024-11-24 01:45:49,200 INFO L226 Difference]: Without dead ends: 467 [2024-11-24 01:45:49,201 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:45:49,205 INFO L435 NwaCegarLoop]: 22 mSDtfsCounter, 4 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:45:49,205 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 33 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:45:49,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 467 states. [2024-11-24 01:45:49,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 467 to 371. [2024-11-24 01:45:49,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 371 states, 368 states have (on average 1.2826086956521738) internal successors, (472), 370 states have internal predecessors, (472), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:45:49,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 371 states and 472 transitions. [2024-11-24 01:45:49,265 INFO L78 Accepts]: Start accepts. Automaton has 371 states and 472 transitions. Word has length 25 [2024-11-24 01:45:49,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:45:49,266 INFO L471 AbstractCegarLoop]: Abstraction has 371 states and 472 transitions. [2024-11-24 01:45:49,266 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 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) [2024-11-24 01:45:49,266 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 472 transitions. [2024-11-24 01:45:49,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-24 01:45:49,267 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:45:49,267 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:45:49,267 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-24 01:45:49,267 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-24 01:45:49,268 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:45:49,268 INFO L85 PathProgramCache]: Analyzing trace with hash 435952077, now seen corresponding path program 1 times [2024-11-24 01:45:49,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:45:49,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [97140317] [2024-11-24 01:45:49,268 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:45:49,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:45:49,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:45:49,527 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:45:49,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:45:49,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [97140317] [2024-11-24 01:45:49,528 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [97140317] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:45:49,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [210325981] [2024-11-24 01:45:49,528 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:45:49,528 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:45:49,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:45:49,530 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:45:49,538 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-24 01:45:49,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:45:49,592 INFO L256 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-24 01:45:49,594 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:45:49,904 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:45:49,904 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:45:50,187 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:45:50,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [210325981] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 01:45:50,188 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 01:45:50,188 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 28 [2024-11-24 01:45:50,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311064562] [2024-11-24 01:45:50,188 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 01:45:50,189 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-11-24 01:45:50,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:45:50,190 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-11-24 01:45:50,191 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=186, Invalid=626, Unknown=0, NotChecked=0, Total=812 [2024-11-24 01:45:50,191 INFO L87 Difference]: Start difference. First operand 371 states and 472 transitions. Second operand has 29 states, 28 states have (on average 2.8214285714285716) internal successors, (79), 29 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:45:50,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:45:50,620 INFO L93 Difference]: Finished difference Result 491 states and 626 transitions. [2024-11-24 01:45:50,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-24 01:45:50,621 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 28 states have (on average 2.8214285714285716) internal successors, (79), 29 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2024-11-24 01:45:50,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:45:50,623 INFO L225 Difference]: With dead ends: 491 [2024-11-24 01:45:50,624 INFO L226 Difference]: Without dead ends: 476 [2024-11-24 01:45:50,625 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 342 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=200, Invalid=670, Unknown=0, NotChecked=0, Total=870 [2024-11-24 01:45:50,626 INFO L435 NwaCegarLoop]: 6 mSDtfsCounter, 86 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 303 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 307 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 303 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-24 01:45:50,626 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 60 Invalid, 307 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 303 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-24 01:45:50,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 476 states. [2024-11-24 01:45:50,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 476 to 390. [2024-11-24 01:45:50,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 390 states, 387 states have (on average 1.3049095607235142) internal successors, (505), 389 states have internal predecessors, (505), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:45:50,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 390 states and 505 transitions. [2024-11-24 01:45:50,661 INFO L78 Accepts]: Start accepts. Automaton has 390 states and 505 transitions. Word has length 27 [2024-11-24 01:45:50,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:45:50,661 INFO L471 AbstractCegarLoop]: Abstraction has 390 states and 505 transitions. [2024-11-24 01:45:50,661 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 28 states have (on average 2.8214285714285716) internal successors, (79), 29 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:45:50,662 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 505 transitions. [2024-11-24 01:45:50,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-24 01:45:50,662 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:45:50,663 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:45:50,674 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-24 01:45:50,863 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:45:50,864 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-24 01:45:50,864 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:45:50,864 INFO L85 PathProgramCache]: Analyzing trace with hash 172320909, now seen corresponding path program 2 times [2024-11-24 01:45:50,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:45:50,865 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1284074754] [2024-11-24 01:45:50,865 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-24 01:45:50,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:45:50,890 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-24 01:45:50,890 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-24 01:45:50,984 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-24 01:45:50,984 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:45:50,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1284074754] [2024-11-24 01:45:50,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1284074754] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:45:50,984 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:45:50,985 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 01:45:50,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338494658] [2024-11-24 01:45:50,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:45:50,985 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 01:45:50,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:45:50,986 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 01:45:50,986 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:45:50,986 INFO L87 Difference]: Start difference. First operand 390 states and 505 transitions. Second operand has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 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) [2024-11-24 01:45:51,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:45:51,085 INFO L93 Difference]: Finished difference Result 598 states and 756 transitions. [2024-11-24 01:45:51,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:45:51,086 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 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 27 [2024-11-24 01:45:51,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:45:51,088 INFO L225 Difference]: With dead ends: 598 [2024-11-24 01:45:51,088 INFO L226 Difference]: Without dead ends: 301 [2024-11-24 01:45:51,089 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:45:51,090 INFO L435 NwaCegarLoop]: 19 mSDtfsCounter, 22 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 01:45:51,090 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 58 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 01:45:51,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2024-11-24 01:45:51,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 270. [2024-11-24 01:45:51,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 270 states, 267 states have (on average 1.2621722846441947) internal successors, (337), 269 states have internal predecessors, (337), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:45:51,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 337 transitions. [2024-11-24 01:45:51,119 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 337 transitions. Word has length 27 [2024-11-24 01:45:51,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:45:51,120 INFO L471 AbstractCegarLoop]: Abstraction has 270 states and 337 transitions. [2024-11-24 01:45:51,120 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 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) [2024-11-24 01:45:51,120 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 337 transitions. [2024-11-24 01:45:51,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-24 01:45:51,121 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:45:51,121 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:45:51,121 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-24 01:45:51,122 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-24 01:45:51,122 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:45:51,122 INFO L85 PathProgramCache]: Analyzing trace with hash 212346970, now seen corresponding path program 1 times [2024-11-24 01:45:51,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:45:51,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191771065] [2024-11-24 01:45:51,123 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:45:51,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:45:51,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:45:51,380 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:45:51,381 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:45:51,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1191771065] [2024-11-24 01:45:51,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1191771065] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:45:51,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [687027216] [2024-11-24 01:45:51,381 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:45:51,381 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:45:51,382 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:45:51,384 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:45:51,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-24 01:45:51,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:45:51,436 INFO L256 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-24 01:45:51,437 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:45:51,737 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:45:51,737 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:45:52,010 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:45:52,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [687027216] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 01:45:52,011 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 01:45:52,011 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 28 [2024-11-24 01:45:52,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204403990] [2024-11-24 01:45:52,011 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 01:45:52,012 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-11-24 01:45:52,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:45:52,013 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-11-24 01:45:52,013 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=186, Invalid=626, Unknown=0, NotChecked=0, Total=812 [2024-11-24 01:45:52,014 INFO L87 Difference]: Start difference. First operand 270 states and 337 transitions. Second operand has 29 states, 28 states have (on average 2.9285714285714284) internal successors, (82), 29 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:45:52,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:45:52,467 INFO L93 Difference]: Finished difference Result 389 states and 472 transitions. [2024-11-24 01:45:52,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-24 01:45:52,468 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 28 states have (on average 2.9285714285714284) internal successors, (82), 29 states have internal predecessors, (82), 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 [2024-11-24 01:45:52,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:45:52,470 INFO L225 Difference]: With dead ends: 389 [2024-11-24 01:45:52,470 INFO L226 Difference]: Without dead ends: 378 [2024-11-24 01:45:52,471 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 388 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=256, Invalid=866, Unknown=0, NotChecked=0, Total=1122 [2024-11-24 01:45:52,472 INFO L435 NwaCegarLoop]: 6 mSDtfsCounter, 76 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 286 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 287 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 286 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-24 01:45:52,473 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 62 Invalid, 287 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 286 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-24 01:45:52,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2024-11-24 01:45:52,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 343. [2024-11-24 01:45:52,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 343 states, 340 states have (on average 1.223529411764706) internal successors, (416), 342 states have internal predecessors, (416), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:45:52,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 343 states and 416 transitions. [2024-11-24 01:45:52,504 INFO L78 Accepts]: Start accepts. Automaton has 343 states and 416 transitions. Word has length 28 [2024-11-24 01:45:52,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:45:52,504 INFO L471 AbstractCegarLoop]: Abstraction has 343 states and 416 transitions. [2024-11-24 01:45:52,504 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 28 states have (on average 2.9285714285714284) internal successors, (82), 29 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:45:52,504 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 416 transitions. [2024-11-24 01:45:52,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-24 01:45:52,505 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:45:52,505 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:45:52,519 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-24 01:45:52,709 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:45:52,709 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-24 01:45:52,710 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:45:52,710 INFO L85 PathProgramCache]: Analyzing trace with hash -1901964316, now seen corresponding path program 1 times [2024-11-24 01:45:52,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:45:52,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770019145] [2024-11-24 01:45:52,710 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:45:52,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:45:52,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:45:52,928 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 47 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:45:52,929 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:45:52,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1770019145] [2024-11-24 01:45:52,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1770019145] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:45:52,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1279582633] [2024-11-24 01:45:52,929 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:45:52,929 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:45:52,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:45:52,932 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:45:52,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-24 01:45:52,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:45:52,998 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-24 01:45:53,000 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:45:53,067 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 47 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:45:53,068 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:45:53,319 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 47 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:45:53,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1279582633] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 01:45:53,319 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 01:45:53,319 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 21 [2024-11-24 01:45:53,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736896426] [2024-11-24 01:45:53,319 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 01:45:53,320 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-24 01:45:53,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:45:53,321 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-24 01:45:53,321 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=331, Unknown=0, NotChecked=0, Total=462 [2024-11-24 01:45:53,321 INFO L87 Difference]: Start difference. First operand 343 states and 416 transitions. Second operand has 22 states, 21 states have (on average 3.1904761904761907) internal successors, (67), 22 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:45:53,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:45:53,585 INFO L93 Difference]: Finished difference Result 690 states and 868 transitions. [2024-11-24 01:45:53,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-24 01:45:53,590 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 3.1904761904761907) internal successors, (67), 22 states have internal predecessors, (67), 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 34 [2024-11-24 01:45:53,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:45:53,596 INFO L225 Difference]: With dead ends: 690 [2024-11-24 01:45:53,596 INFO L226 Difference]: Without dead ends: 689 [2024-11-24 01:45:53,597 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=131, Invalid=331, Unknown=0, NotChecked=0, Total=462 [2024-11-24 01:45:53,599 INFO L435 NwaCegarLoop]: 13 mSDtfsCounter, 164 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-24 01:45:53,601 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [164 Valid, 109 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-24 01:45:53,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 689 states. [2024-11-24 01:45:53,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 689 to 474. [2024-11-24 01:45:53,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 474 states, 471 states have (on average 1.2505307855626326) internal successors, (589), 473 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:45:53,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 474 states and 589 transitions. [2024-11-24 01:45:53,646 INFO L78 Accepts]: Start accepts. Automaton has 474 states and 589 transitions. Word has length 34 [2024-11-24 01:45:53,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:45:53,648 INFO L471 AbstractCegarLoop]: Abstraction has 474 states and 589 transitions. [2024-11-24 01:45:53,648 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 3.1904761904761907) internal successors, (67), 22 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:45:53,648 INFO L276 IsEmpty]: Start isEmpty. Operand 474 states and 589 transitions. [2024-11-24 01:45:53,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-24 01:45:53,649 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:45:53,649 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:45:53,661 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-24 01:45:53,853 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-11-24 01:45:53,853 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-24 01:45:53,854 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:45:53,854 INFO L85 PathProgramCache]: Analyzing trace with hash 1060905793, now seen corresponding path program 1 times [2024-11-24 01:45:53,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:45:53,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1949309561] [2024-11-24 01:45:53,854 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:45:53,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:45:53,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:45:54,101 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-24 01:45:54,101 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:45:54,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1949309561] [2024-11-24 01:45:54,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1949309561] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:45:54,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [567765345] [2024-11-24 01:45:54,102 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:45:54,102 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:45:54,102 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:45:54,105 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:45:54,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-24 01:45:54,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:45:54,160 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-24 01:45:54,161 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:45:54,230 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-24 01:45:54,230 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:45:54,465 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-24 01:45:54,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [567765345] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 01:45:54,465 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 01:45:54,465 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 21 [2024-11-24 01:45:54,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245697642] [2024-11-24 01:45:54,466 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 01:45:54,466 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-24 01:45:54,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:45:54,467 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-24 01:45:54,467 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=331, Unknown=0, NotChecked=0, Total=462 [2024-11-24 01:45:54,467 INFO L87 Difference]: Start difference. First operand 474 states and 589 transitions. Second operand has 22 states, 21 states have (on average 3.1904761904761907) internal successors, (67), 22 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:45:54,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:45:54,694 INFO L93 Difference]: Finished difference Result 1127 states and 1496 transitions. [2024-11-24 01:45:54,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-24 01:45:54,694 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 3.1904761904761907) internal successors, (67), 22 states have internal predecessors, (67), 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 34 [2024-11-24 01:45:54,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:45:54,699 INFO L225 Difference]: With dead ends: 1127 [2024-11-24 01:45:54,700 INFO L226 Difference]: Without dead ends: 1126 [2024-11-24 01:45:54,700 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=131, Invalid=331, Unknown=0, NotChecked=0, Total=462 [2024-11-24 01:45:54,701 INFO L435 NwaCegarLoop]: 15 mSDtfsCounter, 188 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 188 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 01:45:54,701 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [188 Valid, 164 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 01:45:54,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1126 states. [2024-11-24 01:45:54,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1126 to 1102. [2024-11-24 01:45:54,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1102 states, 1099 states have (on average 1.2939035486806187) internal successors, (1422), 1101 states have internal predecessors, (1422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:45:54,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1102 states to 1102 states and 1422 transitions. [2024-11-24 01:45:54,778 INFO L78 Accepts]: Start accepts. Automaton has 1102 states and 1422 transitions. Word has length 34 [2024-11-24 01:45:54,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:45:54,779 INFO L471 AbstractCegarLoop]: Abstraction has 1102 states and 1422 transitions. [2024-11-24 01:45:54,779 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 3.1904761904761907) internal successors, (67), 22 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:45:54,779 INFO L276 IsEmpty]: Start isEmpty. Operand 1102 states and 1422 transitions. [2024-11-24 01:45:54,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-24 01:45:54,781 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:45:54,781 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:45:54,793 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-11-24 01:45:54,985 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2024-11-24 01:45:54,985 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-24 01:45:54,986 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:45:54,986 INFO L85 PathProgramCache]: Analyzing trace with hash 582961549, now seen corresponding path program 2 times [2024-11-24 01:45:54,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:45:54,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404008792] [2024-11-24 01:45:54,986 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-24 01:45:54,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:45:55,007 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-24 01:45:55,008 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-24 01:45:55,358 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:45:55,358 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:45:55,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [404008792] [2024-11-24 01:45:55,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [404008792] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:45:55,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [680382788] [2024-11-24 01:45:55,358 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-24 01:45:55,358 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:45:55,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:45:55,363 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:45:55,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-24 01:45:55,431 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-24 01:45:55,431 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-24 01:45:55,435 INFO L256 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-24 01:45:55,437 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:45:55,870 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:45:55,870 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:45:56,295 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:45:56,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [680382788] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 01:45:56,295 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 01:45:56,295 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 40 [2024-11-24 01:45:56,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249047473] [2024-11-24 01:45:56,296 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 01:45:56,297 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2024-11-24 01:45:56,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:45:56,299 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2024-11-24 01:45:56,301 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=334, Invalid=1306, Unknown=0, NotChecked=0, Total=1640 [2024-11-24 01:45:56,301 INFO L87 Difference]: Start difference. First operand 1102 states and 1422 transitions. Second operand has 41 states, 40 states have (on average 2.725) internal successors, (109), 41 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:45:56,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:45:56,876 INFO L93 Difference]: Finished difference Result 1239 states and 1580 transitions. [2024-11-24 01:45:56,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-24 01:45:56,877 INFO L78 Accepts]: Start accepts. Automaton has has 41 states, 40 states have (on average 2.725) internal successors, (109), 41 states have internal predecessors, (109), 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 37 [2024-11-24 01:45:56,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:45:56,885 INFO L225 Difference]: With dead ends: 1239 [2024-11-24 01:45:56,885 INFO L226 Difference]: Without dead ends: 1228 [2024-11-24 01:45:56,887 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 866 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=416, Invalid=1654, Unknown=0, NotChecked=0, Total=2070 [2024-11-24 01:45:56,888 INFO L435 NwaCegarLoop]: 7 mSDtfsCounter, 120 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 312 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 314 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 312 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-24 01:45:56,888 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 76 Invalid, 314 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 312 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-24 01:45:56,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1228 states. [2024-11-24 01:45:56,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1228 to 1151. [2024-11-24 01:45:56,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1151 states, 1148 states have (on average 1.2831010452961673) internal successors, (1473), 1150 states have internal predecessors, (1473), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:45:56,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1151 states to 1151 states and 1473 transitions. [2024-11-24 01:45:56,985 INFO L78 Accepts]: Start accepts. Automaton has 1151 states and 1473 transitions. Word has length 37 [2024-11-24 01:45:56,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:45:56,985 INFO L471 AbstractCegarLoop]: Abstraction has 1151 states and 1473 transitions. [2024-11-24 01:45:56,986 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 40 states have (on average 2.725) internal successors, (109), 41 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:45:56,986 INFO L276 IsEmpty]: Start isEmpty. Operand 1151 states and 1473 transitions. [2024-11-24 01:45:56,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-24 01:45:56,987 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:45:56,989 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-24 01:45:57,001 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-11-24 01:45:57,193 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2024-11-24 01:45:57,194 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-24 01:45:57,194 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:45:57,194 INFO L85 PathProgramCache]: Analyzing trace with hash -1320762829, now seen corresponding path program 1 times [2024-11-24 01:45:57,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:45:57,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1861847927] [2024-11-24 01:45:57,195 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:45:57,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:45:57,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:45:57,493 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:45:57,494 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:45:57,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1861847927] [2024-11-24 01:45:57,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1861847927] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:45:57,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1605170165] [2024-11-24 01:45:57,494 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:45:57,494 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:45:57,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:45:57,497 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:45:57,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-24 01:45:57,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:45:57,554 INFO L256 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-24 01:45:57,556 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:45:57,975 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:45:57,975 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:45:58,388 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:45:58,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1605170165] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 01:45:58,388 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 01:45:58,388 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 40 [2024-11-24 01:45:58,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242244954] [2024-11-24 01:45:58,389 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 01:45:58,389 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2024-11-24 01:45:58,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:45:58,393 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2024-11-24 01:45:58,394 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=342, Invalid=1298, Unknown=0, NotChecked=0, Total=1640 [2024-11-24 01:45:58,394 INFO L87 Difference]: Start difference. First operand 1151 states and 1473 transitions. Second operand has 41 states, 40 states have (on average 3.025) internal successors, (121), 41 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:45:58,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:45:58,887 INFO L93 Difference]: Finished difference Result 1330 states and 1688 transitions. [2024-11-24 01:45:58,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-24 01:45:58,888 INFO L78 Accepts]: Start accepts. Automaton has has 41 states, 40 states have (on average 3.025) internal successors, (121), 41 states have internal predecessors, (121), 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 41 [2024-11-24 01:45:58,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:45:58,893 INFO L225 Difference]: With dead ends: 1330 [2024-11-24 01:45:58,894 INFO L226 Difference]: Without dead ends: 1317 [2024-11-24 01:45:58,895 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 826 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=412, Invalid=1568, Unknown=0, NotChecked=0, Total=1980 [2024-11-24 01:45:58,896 INFO L435 NwaCegarLoop]: 7 mSDtfsCounter, 104 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 258 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 258 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-24 01:45:58,896 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 63 Invalid, 265 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 258 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-24 01:45:58,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1317 states. [2024-11-24 01:45:58,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1317 to 1243. [2024-11-24 01:45:58,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1243 states, 1240 states have (on average 1.2685483870967742) internal successors, (1573), 1242 states have internal predecessors, (1573), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:45:59,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1243 states to 1243 states and 1573 transitions. [2024-11-24 01:45:59,001 INFO L78 Accepts]: Start accepts. Automaton has 1243 states and 1573 transitions. Word has length 41 [2024-11-24 01:45:59,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:45:59,001 INFO L471 AbstractCegarLoop]: Abstraction has 1243 states and 1573 transitions. [2024-11-24 01:45:59,002 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 40 states have (on average 3.025) internal successors, (121), 41 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:45:59,002 INFO L276 IsEmpty]: Start isEmpty. Operand 1243 states and 1573 transitions. [2024-11-24 01:45:59,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-24 01:45:59,004 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:45:59,004 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:45:59,016 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-24 01:45:59,208 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-11-24 01:45:59,209 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-24 01:45:59,209 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:45:59,209 INFO L85 PathProgramCache]: Analyzing trace with hash 779226970, now seen corresponding path program 2 times [2024-11-24 01:45:59,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:45:59,210 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1757666695] [2024-11-24 01:45:59,210 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-24 01:45:59,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:45:59,223 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-24 01:45:59,224 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-24 01:45:59,664 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 113 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:45:59,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:45:59,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1757666695] [2024-11-24 01:45:59,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1757666695] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:45:59,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [439400229] [2024-11-24 01:45:59,665 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-24 01:45:59,665 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:45:59,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:45:59,671 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:45:59,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-24 01:45:59,736 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-24 01:45:59,736 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-24 01:45:59,738 INFO L256 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-24 01:45:59,740 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:46:00,334 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 113 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:46:00,334 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:46:00,937 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 113 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:46:00,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [439400229] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 01:46:00,937 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 01:46:00,937 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18, 18] total 52 [2024-11-24 01:46:00,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034727300] [2024-11-24 01:46:00,938 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 01:46:00,938 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 53 states [2024-11-24 01:46:00,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:46:00,939 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2024-11-24 01:46:00,940 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=610, Invalid=2146, Unknown=0, NotChecked=0, Total=2756 [2024-11-24 01:46:00,941 INFO L87 Difference]: Start difference. First operand 1243 states and 1573 transitions. Second operand has 53 states, 52 states have (on average 2.730769230769231) internal successors, (142), 53 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:46:01,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:46:01,894 INFO L93 Difference]: Finished difference Result 1512 states and 1876 transitions. [2024-11-24 01:46:01,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-11-24 01:46:01,895 INFO L78 Accepts]: Start accepts. Automaton has has 53 states, 52 states have (on average 2.730769230769231) internal successors, (142), 53 states have internal predecessors, (142), 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 48 [2024-11-24 01:46:01,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:46:01,901 INFO L225 Difference]: With dead ends: 1512 [2024-11-24 01:46:01,902 INFO L226 Difference]: Without dead ends: 1493 [2024-11-24 01:46:01,903 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1700 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=944, Invalid=3346, Unknown=0, NotChecked=0, Total=4290 [2024-11-24 01:46:01,904 INFO L435 NwaCegarLoop]: 6 mSDtfsCounter, 184 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 424 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 425 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 424 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-24 01:46:01,904 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [184 Valid, 94 Invalid, 425 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 424 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-24 01:46:01,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1493 states. [2024-11-24 01:46:02,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1493 to 1383. [2024-11-24 01:46:02,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1383 states, 1380 states have (on average 1.2492753623188406) internal successors, (1724), 1382 states have internal predecessors, (1724), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:46:02,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1383 states to 1383 states and 1724 transitions. [2024-11-24 01:46:02,074 INFO L78 Accepts]: Start accepts. Automaton has 1383 states and 1724 transitions. Word has length 48 [2024-11-24 01:46:02,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:46:02,075 INFO L471 AbstractCegarLoop]: Abstraction has 1383 states and 1724 transitions. [2024-11-24 01:46:02,075 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 53 states, 52 states have (on average 2.730769230769231) internal successors, (142), 53 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:46:02,079 INFO L276 IsEmpty]: Start isEmpty. Operand 1383 states and 1724 transitions. [2024-11-24 01:46:02,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-24 01:46:02,080 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:46:02,080 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 4, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:46:02,103 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-24 01:46:02,281 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-11-24 01:46:02,281 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-24 01:46:02,282 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:46:02,282 INFO L85 PathProgramCache]: Analyzing trace with hash -1438917025, now seen corresponding path program 1 times [2024-11-24 01:46:02,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:46:02,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688540802] [2024-11-24 01:46:02,282 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:46:02,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:46:02,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:46:02,707 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:46:02,707 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:46:02,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688540802] [2024-11-24 01:46:02,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1688540802] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:46:02,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [501477495] [2024-11-24 01:46:02,708 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:46:02,708 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:46:02,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:46:02,710 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:46:02,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-24 01:46:02,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:46:02,777 INFO L256 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-24 01:46:02,779 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:46:03,361 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:46:03,361 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:46:03,891 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:46:03,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [501477495] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 01:46:03,892 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 01:46:03,892 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18, 18] total 52 [2024-11-24 01:46:03,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504591813] [2024-11-24 01:46:03,892 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 01:46:03,893 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 53 states [2024-11-24 01:46:03,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:46:03,894 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2024-11-24 01:46:03,895 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=546, Invalid=2210, Unknown=0, NotChecked=0, Total=2756 [2024-11-24 01:46:03,895 INFO L87 Difference]: Start difference. First operand 1383 states and 1724 transitions. Second operand has 53 states, 52 states have (on average 2.7884615384615383) internal successors, (145), 53 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:46:04,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:46:04,648 INFO L93 Difference]: Finished difference Result 1822 states and 2235 transitions. [2024-11-24 01:46:04,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-11-24 01:46:04,650 INFO L78 Accepts]: Start accepts. Automaton has has 53 states, 52 states have (on average 2.7884615384615383) internal successors, (145), 53 states have internal predecessors, (145), 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 49 [2024-11-24 01:46:04,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:46:04,656 INFO L225 Difference]: With dead ends: 1822 [2024-11-24 01:46:04,656 INFO L226 Difference]: Without dead ends: 1807 [2024-11-24 01:46:04,658 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1644 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=775, Invalid=3131, Unknown=0, NotChecked=0, Total=3906 [2024-11-24 01:46:04,659 INFO L435 NwaCegarLoop]: 6 mSDtfsCounter, 169 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 391 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 169 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 397 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 391 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-24 01:46:04,659 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [169 Valid, 76 Invalid, 397 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 391 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-24 01:46:04,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1807 states. [2024-11-24 01:46:04,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1807 to 1617. [2024-11-24 01:46:04,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1617 states, 1614 states have (on average 1.231722428748451) internal successors, (1988), 1616 states have internal predecessors, (1988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:46:04,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1617 states to 1617 states and 1988 transitions. [2024-11-24 01:46:04,793 INFO L78 Accepts]: Start accepts. Automaton has 1617 states and 1988 transitions. Word has length 49 [2024-11-24 01:46:04,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:46:04,793 INFO L471 AbstractCegarLoop]: Abstraction has 1617 states and 1988 transitions. [2024-11-24 01:46:04,794 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 53 states, 52 states have (on average 2.7884615384615383) internal successors, (145), 53 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:46:04,794 INFO L276 IsEmpty]: Start isEmpty. Operand 1617 states and 1988 transitions. [2024-11-24 01:46:04,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-24 01:46:04,795 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:46:04,796 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 4, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-24 01:46:04,807 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-11-24 01:46:04,996 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-11-24 01:46:04,997 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-24 01:46:04,998 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:46:04,998 INFO L85 PathProgramCache]: Analyzing trace with hash 1779094131, now seen corresponding path program 2 times [2024-11-24 01:46:04,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:46:04,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [288994246] [2024-11-24 01:46:04,998 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-24 01:46:04,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:46:05,023 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-24 01:46:05,023 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-24 01:46:05,519 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 118 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:46:05,520 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:46:05,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [288994246] [2024-11-24 01:46:05,520 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [288994246] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:46:05,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1699969690] [2024-11-24 01:46:05,520 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-24 01:46:05,521 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:46:05,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:46:05,523 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:46:05,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-24 01:46:05,594 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-24 01:46:05,595 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-24 01:46:05,596 INFO L256 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-24 01:46:05,599 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:46:06,250 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 118 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:46:06,250 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:46:06,863 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 118 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:46:06,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1699969690] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 01:46:06,863 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 01:46:06,863 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20, 20] total 58 [2024-11-24 01:46:06,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194761450] [2024-11-24 01:46:06,863 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 01:46:06,864 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 59 states [2024-11-24 01:46:06,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:46:06,865 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2024-11-24 01:46:06,866 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=708, Invalid=2714, Unknown=0, NotChecked=0, Total=3422 [2024-11-24 01:46:06,866 INFO L87 Difference]: Start difference. First operand 1617 states and 1988 transitions. Second operand has 59 states, 58 states have (on average 2.8620689655172415) internal successors, (166), 59 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:46:07,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:46:07,507 INFO L93 Difference]: Finished difference Result 1959 states and 2425 transitions. [2024-11-24 01:46:07,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-24 01:46:07,507 INFO L78 Accepts]: Start accepts. Automaton has has 59 states, 58 states have (on average 2.8620689655172415) internal successors, (166), 59 states have internal predecessors, (166), 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 56 [2024-11-24 01:46:07,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:46:07,514 INFO L225 Difference]: With dead ends: 1959 [2024-11-24 01:46:07,514 INFO L226 Difference]: Without dead ends: 1940 [2024-11-24 01:46:07,516 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1816 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=803, Invalid=3103, Unknown=0, NotChecked=0, Total=3906 [2024-11-24 01:46:07,517 INFO L435 NwaCegarLoop]: 6 mSDtfsCounter, 141 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 480 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 490 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 480 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-24 01:46:07,517 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 96 Invalid, 490 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 480 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-24 01:46:07,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1940 states. [2024-11-24 01:46:07,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1940 to 1718. [2024-11-24 01:46:07,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1718 states, 1715 states have (on average 1.2431486880466471) internal successors, (2132), 1717 states have internal predecessors, (2132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:46:07,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1718 states to 1718 states and 2132 transitions. [2024-11-24 01:46:07,653 INFO L78 Accepts]: Start accepts. Automaton has 1718 states and 2132 transitions. Word has length 56 [2024-11-24 01:46:07,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:46:07,653 INFO L471 AbstractCegarLoop]: Abstraction has 1718 states and 2132 transitions. [2024-11-24 01:46:07,653 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 59 states, 58 states have (on average 2.8620689655172415) internal successors, (166), 59 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:46:07,654 INFO L276 IsEmpty]: Start isEmpty. Operand 1718 states and 2132 transitions. [2024-11-24 01:46:07,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-24 01:46:07,655 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:46:07,656 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 6, 4, 4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-24 01:46:07,667 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-11-24 01:46:07,857 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2024-11-24 01:46:07,859 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-24 01:46:07,859 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:46:07,859 INFO L85 PathProgramCache]: Analyzing trace with hash -1739136801, now seen corresponding path program 2 times [2024-11-24 01:46:07,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:46:07,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015914904] [2024-11-24 01:46:07,859 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-24 01:46:07,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:46:07,883 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-24 01:46:07,883 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-24 01:46:08,509 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:46:08,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:46:08,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1015914904] [2024-11-24 01:46:08,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1015914904] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:46:08,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1590852743] [2024-11-24 01:46:08,510 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-24 01:46:08,510 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:46:08,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:46:08,513 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:46:08,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-24 01:46:08,586 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-24 01:46:08,586 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-24 01:46:08,587 INFO L256 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-24 01:46:08,589 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:46:09,446 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:46:09,446 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:46:10,354 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:46:10,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1590852743] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 01:46:10,354 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 01:46:10,355 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 70 [2024-11-24 01:46:10,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200552241] [2024-11-24 01:46:10,355 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 01:46:10,355 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 71 states [2024-11-24 01:46:10,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:46:10,357 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 71 interpolants. [2024-11-24 01:46:10,358 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=952, Invalid=4018, Unknown=0, NotChecked=0, Total=4970 [2024-11-24 01:46:10,359 INFO L87 Difference]: Start difference. First operand 1718 states and 2132 transitions. Second operand has 71 states, 70 states have (on average 2.7142857142857144) internal successors, (190), 71 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:46:11,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:46:11,579 INFO L93 Difference]: Finished difference Result 2280 states and 2790 transitions. [2024-11-24 01:46:11,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-11-24 01:46:11,580 INFO L78 Accepts]: Start accepts. Automaton has has 71 states, 70 states have (on average 2.7142857142857144) internal successors, (190), 71 states have internal predecessors, (190), 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 64 [2024-11-24 01:46:11,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:46:11,587 INFO L225 Difference]: With dead ends: 2280 [2024-11-24 01:46:11,587 INFO L226 Difference]: Without dead ends: 2251 [2024-11-24 01:46:11,590 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3156 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=1370, Invalid=5770, Unknown=0, NotChecked=0, Total=7140 [2024-11-24 01:46:11,591 INFO L435 NwaCegarLoop]: 6 mSDtfsCounter, 222 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 541 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 222 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 551 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 541 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-24 01:46:11,591 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [222 Valid, 100 Invalid, 551 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 541 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-24 01:46:11,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2251 states. [2024-11-24 01:46:11,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2251 to 1636. [2024-11-24 01:46:11,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1636 states, 1633 states have (on average 1.2578077158603798) internal successors, (2054), 1635 states have internal predecessors, (2054), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:46:11,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1636 states to 1636 states and 2054 transitions. [2024-11-24 01:46:11,705 INFO L78 Accepts]: Start accepts. Automaton has 1636 states and 2054 transitions. Word has length 64 [2024-11-24 01:46:11,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:46:11,705 INFO L471 AbstractCegarLoop]: Abstraction has 1636 states and 2054 transitions. [2024-11-24 01:46:11,705 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 71 states, 70 states have (on average 2.7142857142857144) internal successors, (190), 71 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:46:11,705 INFO L276 IsEmpty]: Start isEmpty. Operand 1636 states and 2054 transitions. [2024-11-24 01:46:11,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-24 01:46:11,707 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:46:11,707 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:46:11,720 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-11-24 01:46:11,911 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-11-24 01:46:11,932 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-24 01:46:11,945 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:46:11,945 INFO L85 PathProgramCache]: Analyzing trace with hash -384856639, now seen corresponding path program 2 times [2024-11-24 01:46:11,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:46:11,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223746550] [2024-11-24 01:46:11,946 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-24 01:46:11,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:46:11,953 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-24 01:46:11,953 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-24 01:46:11,990 INFO L134 CoverageAnalysis]: Checked inductivity of 266 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 236 trivial. 0 not checked. [2024-11-24 01:46:11,990 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:46:11,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1223746550] [2024-11-24 01:46:11,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1223746550] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:46:11,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [965585946] [2024-11-24 01:46:11,991 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-24 01:46:11,991 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:46:11,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:46:11,993 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:46:11,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-24 01:46:12,035 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-24 01:46:12,035 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-24 01:46:12,035 INFO L256 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-24 01:46:12,037 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:46:12,129 INFO L134 CoverageAnalysis]: Checked inductivity of 266 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 236 trivial. 0 not checked. [2024-11-24 01:46:12,130 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:46:12,228 INFO L134 CoverageAnalysis]: Checked inductivity of 266 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 236 trivial. 0 not checked. [2024-11-24 01:46:12,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [965585946] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 01:46:12,229 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 01:46:12,229 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 4 [2024-11-24 01:46:12,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234573371] [2024-11-24 01:46:12,229 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 01:46:12,229 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 01:46:12,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:46:12,230 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 01:46:12,230 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:46:12,230 INFO L87 Difference]: Start difference. First operand 1636 states and 2054 transitions. Second operand has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:46:12,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:46:12,353 INFO L93 Difference]: Finished difference Result 1636 states and 2054 transitions. [2024-11-24 01:46:12,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:46:12,354 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2024-11-24 01:46:12,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:46:12,359 INFO L225 Difference]: With dead ends: 1636 [2024-11-24 01:46:12,359 INFO L226 Difference]: Without dead ends: 1635 [2024-11-24 01:46:12,360 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 125 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-24 01:46:12,361 INFO L435 NwaCegarLoop]: 16 mSDtfsCounter, 13 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:46:12,364 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 47 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:46:12,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1635 states. [2024-11-24 01:46:12,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1635 to 775. [2024-11-24 01:46:12,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 775 states, 773 states have (on average 1.2069857697283313) internal successors, (933), 774 states have internal predecessors, (933), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:46:12,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 775 states to 775 states and 933 transitions. [2024-11-24 01:46:12,454 INFO L78 Accepts]: Start accepts. Automaton has 775 states and 933 transitions. Word has length 64 [2024-11-24 01:46:12,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:46:12,454 INFO L471 AbstractCegarLoop]: Abstraction has 775 states and 933 transitions. [2024-11-24 01:46:12,454 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:46:12,455 INFO L276 IsEmpty]: Start isEmpty. Operand 775 states and 933 transitions. [2024-11-24 01:46:12,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-24 01:46:12,460 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:46:12,460 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1] [2024-11-24 01:46:12,470 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-11-24 01:46:12,660 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:46:12,661 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-24 01:46:12,661 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:46:12,661 INFO L85 PathProgramCache]: Analyzing trace with hash -938769735, now seen corresponding path program 3 times [2024-11-24 01:46:12,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:46:12,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1287409542] [2024-11-24 01:46:12,662 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-24 01:46:12,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:46:12,684 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-24 01:46:12,684 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-24 01:46:12,972 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2024-11-24 01:46:12,972 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:46:12,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1287409542] [2024-11-24 01:46:12,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1287409542] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:46:12,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1463415004] [2024-11-24 01:46:12,973 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-24 01:46:12,973 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:46:12,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:46:12,976 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:46:12,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-24 01:46:13,047 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-24 01:46:13,048 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-24 01:46:13,049 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-24 01:46:13,051 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:46:13,250 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 10 proven. 12 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2024-11-24 01:46:13,250 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:46:13,405 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 21 proven. 1 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2024-11-24 01:46:13,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1463415004] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 01:46:13,406 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 01:46:13,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 6] total 17 [2024-11-24 01:46:13,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100472761] [2024-11-24 01:46:13,407 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 01:46:13,408 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-24 01:46:13,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:46:13,408 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-24 01:46:13,409 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2024-11-24 01:46:13,409 INFO L87 Difference]: Start difference. First operand 775 states and 933 transitions. Second operand has 17 states, 17 states have (on average 3.4705882352941178) internal successors, (59), 17 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:46:13,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:46:13,698 INFO L93 Difference]: Finished difference Result 860 states and 1018 transitions. [2024-11-24 01:46:13,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-24 01:46:13,698 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 3.4705882352941178) internal successors, (59), 17 states have internal predecessors, (59), 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 68 [2024-11-24 01:46:13,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:46:13,701 INFO L225 Difference]: With dead ends: 860 [2024-11-24 01:46:13,701 INFO L226 Difference]: Without dead ends: 781 [2024-11-24 01:46:13,702 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=134, Invalid=328, Unknown=0, NotChecked=0, Total=462 [2024-11-24 01:46:13,702 INFO L435 NwaCegarLoop]: 12 mSDtfsCounter, 64 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 01:46:13,703 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 44 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 01:46:13,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 781 states. [2024-11-24 01:46:13,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 781 to 661. [2024-11-24 01:46:13,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 661 states, 659 states have (on average 1.1851289833080425) internal successors, (781), 660 states have internal predecessors, (781), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:46:13,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 661 states to 661 states and 781 transitions. [2024-11-24 01:46:13,772 INFO L78 Accepts]: Start accepts. Automaton has 661 states and 781 transitions. Word has length 68 [2024-11-24 01:46:13,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:46:13,772 INFO L471 AbstractCegarLoop]: Abstraction has 661 states and 781 transitions. [2024-11-24 01:46:13,772 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 3.4705882352941178) internal successors, (59), 17 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:46:13,773 INFO L276 IsEmpty]: Start isEmpty. Operand 661 states and 781 transitions. [2024-11-24 01:46:13,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-24 01:46:13,774 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:46:13,774 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:46:13,785 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-11-24 01:46:13,978 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2024-11-24 01:46:13,978 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-24 01:46:13,979 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:46:13,979 INFO L85 PathProgramCache]: Analyzing trace with hash 218912878, now seen corresponding path program 1 times [2024-11-24 01:46:13,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:46:13,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [71414742] [2024-11-24 01:46:13,979 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:46:13,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:46:14,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:46:14,648 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 0 proven. 158 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:46:14,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:46:14,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [71414742] [2024-11-24 01:46:14,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [71414742] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:46:14,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [96205140] [2024-11-24 01:46:14,648 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:46:14,649 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:46:14,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:46:14,652 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:46:14,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-24 01:46:14,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:46:14,726 INFO L256 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-24 01:46:14,728 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:46:15,554 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 0 proven. 158 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:46:15,555 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:46:16,350 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 0 proven. 158 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:46:16,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [96205140] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 01:46:16,351 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 01:46:16,351 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 70 [2024-11-24 01:46:16,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [820491314] [2024-11-24 01:46:16,351 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 01:46:16,351 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 71 states [2024-11-24 01:46:16,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:46:16,352 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 71 interpolants. [2024-11-24 01:46:16,354 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=952, Invalid=4018, Unknown=0, NotChecked=0, Total=4970 [2024-11-24 01:46:16,354 INFO L87 Difference]: Start difference. First operand 661 states and 781 transitions. Second operand has 71 states, 70 states have (on average 2.9285714285714284) internal successors, (205), 71 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:46:17,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:46:17,347 INFO L93 Difference]: Finished difference Result 1795 states and 2082 transitions. [2024-11-24 01:46:17,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-11-24 01:46:17,347 INFO L78 Accepts]: Start accepts. Automaton has has 71 states, 70 states have (on average 2.9285714285714284) internal successors, (205), 71 states have internal predecessors, (205), 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 69 [2024-11-24 01:46:17,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:46:17,351 INFO L225 Difference]: With dead ends: 1795 [2024-11-24 01:46:17,351 INFO L226 Difference]: Without dead ends: 1762 [2024-11-24 01:46:17,353 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2961 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=1239, Invalid=5241, Unknown=0, NotChecked=0, Total=6480 [2024-11-24 01:46:17,354 INFO L435 NwaCegarLoop]: 5 mSDtfsCounter, 224 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 559 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 224 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 572 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 559 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-24 01:46:17,354 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [224 Valid, 97 Invalid, 572 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 559 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-24 01:46:17,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1762 states. [2024-11-24 01:46:17,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1762 to 905. [2024-11-24 01:46:17,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 905 states, 903 states have (on average 1.194905869324474) internal successors, (1079), 904 states have internal predecessors, (1079), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:46:17,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 905 states and 1079 transitions. [2024-11-24 01:46:17,468 INFO L78 Accepts]: Start accepts. Automaton has 905 states and 1079 transitions. Word has length 69 [2024-11-24 01:46:17,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:46:17,468 INFO L471 AbstractCegarLoop]: Abstraction has 905 states and 1079 transitions. [2024-11-24 01:46:17,469 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 71 states, 70 states have (on average 2.9285714285714284) internal successors, (205), 71 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:46:17,469 INFO L276 IsEmpty]: Start isEmpty. Operand 905 states and 1079 transitions. [2024-11-24 01:46:17,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-24 01:46:17,471 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:46:17,471 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 8, 4, 4, 4, 4, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-24 01:46:17,483 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-11-24 01:46:17,673 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable31 [2024-11-24 01:46:17,673 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-24 01:46:17,674 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:46:17,674 INFO L85 PathProgramCache]: Analyzing trace with hash -1844808826, now seen corresponding path program 2 times [2024-11-24 01:46:17,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:46:17,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058494327] [2024-11-24 01:46:17,674 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-24 01:46:17,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:46:17,693 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-24 01:46:17,693 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-24 01:46:18,559 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 0 proven. 275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:46:18,560 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:46:18,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1058494327] [2024-11-24 01:46:18,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1058494327] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:46:18,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1640783778] [2024-11-24 01:46:18,560 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-24 01:46:18,560 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:46:18,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:46:18,563 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:46:18,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-24 01:46:18,644 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-24 01:46:18,644 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-24 01:46:18,646 INFO L256 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-24 01:46:18,647 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:46:19,777 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 0 proven. 275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:46:19,777 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:46:21,208 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 0 proven. 275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:46:21,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1640783778] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 01:46:21,208 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 01:46:21,208 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 30, 30] total 88 [2024-11-24 01:46:21,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053093022] [2024-11-24 01:46:21,209 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 01:46:21,209 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 89 states [2024-11-24 01:46:21,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:46:21,211 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 89 interpolants. [2024-11-24 01:46:21,213 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1510, Invalid=6322, Unknown=0, NotChecked=0, Total=7832 [2024-11-24 01:46:21,214 INFO L87 Difference]: Start difference. First operand 905 states and 1079 transitions. Second operand has 89 states, 88 states have (on average 2.772727272727273) internal successors, (244), 89 states have internal predecessors, (244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:46:23,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:46:23,014 INFO L93 Difference]: Finished difference Result 1928 states and 2155 transitions. [2024-11-24 01:46:23,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2024-11-24 01:46:23,014 INFO L78 Accepts]: Start accepts. Automaton has has 89 states, 88 states have (on average 2.772727272727273) internal successors, (244), 89 states have internal predecessors, (244), 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 82 [2024-11-24 01:46:23,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:46:23,018 INFO L225 Difference]: With dead ends: 1928 [2024-11-24 01:46:23,018 INFO L226 Difference]: Without dead ends: 1901 [2024-11-24 01:46:23,019 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 108 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5305 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=2336, Invalid=9654, Unknown=0, NotChecked=0, Total=11990 [2024-11-24 01:46:23,019 INFO L435 NwaCegarLoop]: 6 mSDtfsCounter, 308 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 679 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 308 SdHoareTripleChecker+Valid, 158 SdHoareTripleChecker+Invalid, 686 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 679 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-24 01:46:23,019 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [308 Valid, 158 Invalid, 686 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 679 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-24 01:46:23,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1901 states. [2024-11-24 01:46:23,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1901 to 1016. [2024-11-24 01:46:23,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1016 states, 1014 states have (on average 1.1794871794871795) internal successors, (1196), 1015 states have internal predecessors, (1196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:46:23,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1016 states to 1016 states and 1196 transitions. [2024-11-24 01:46:23,167 INFO L78 Accepts]: Start accepts. Automaton has 1016 states and 1196 transitions. Word has length 82 [2024-11-24 01:46:23,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:46:23,167 INFO L471 AbstractCegarLoop]: Abstraction has 1016 states and 1196 transitions. [2024-11-24 01:46:23,167 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 89 states, 88 states have (on average 2.772727272727273) internal successors, (244), 89 states have internal predecessors, (244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:46:23,167 INFO L276 IsEmpty]: Start isEmpty. Operand 1016 states and 1196 transitions. [2024-11-24 01:46:23,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-24 01:46:23,169 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:46:23,169 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 10, 6, 5, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1] [2024-11-24 01:46:23,181 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2024-11-24 01:46:23,373 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:46:23,373 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-24 01:46:23,374 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:46:23,374 INFO L85 PathProgramCache]: Analyzing trace with hash -1748074456, now seen corresponding path program 2 times [2024-11-24 01:46:23,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:46:23,374 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565780240] [2024-11-24 01:46:23,374 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-24 01:46:23,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:46:23,383 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-24 01:46:23,383 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-24 01:46:23,412 INFO L134 CoverageAnalysis]: Checked inductivity of 311 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 281 trivial. 0 not checked. [2024-11-24 01:46:23,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:46:23,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1565780240] [2024-11-24 01:46:23,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1565780240] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:46:23,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2087252040] [2024-11-24 01:46:23,413 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-24 01:46:23,413 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:46:23,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:46:23,416 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:46:23,420 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-11-24 01:46:23,470 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-24 01:46:23,471 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-24 01:46:23,472 INFO L256 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-24 01:46:23,473 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:46:23,617 INFO L134 CoverageAnalysis]: Checked inductivity of 311 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 281 trivial. 0 not checked. [2024-11-24 01:46:23,617 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:46:23,755 INFO L134 CoverageAnalysis]: Checked inductivity of 311 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 281 trivial. 0 not checked. [2024-11-24 01:46:23,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2087252040] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 01:46:23,756 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 01:46:23,756 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 4 [2024-11-24 01:46:23,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322165424] [2024-11-24 01:46:23,756 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 01:46:23,756 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 01:46:23,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:46:23,757 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 01:46:23,757 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:46:23,757 INFO L87 Difference]: Start difference. First operand 1016 states and 1196 transitions. Second operand has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:46:23,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:46:23,949 INFO L93 Difference]: Finished difference Result 1188 states and 1369 transitions. [2024-11-24 01:46:23,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:46:23,949 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2024-11-24 01:46:23,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:46:23,952 INFO L225 Difference]: With dead ends: 1188 [2024-11-24 01:46:23,952 INFO L226 Difference]: Without dead ends: 1187 [2024-11-24 01:46:23,953 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 167 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-24 01:46:23,953 INFO L435 NwaCegarLoop]: 15 mSDtfsCounter, 16 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:46:23,954 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 38 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:46:23,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1187 states. [2024-11-24 01:46:24,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1187 to 532. [2024-11-24 01:46:24,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 532 states, 531 states have (on average 1.1111111111111112) internal successors, (590), 531 states have internal predecessors, (590), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:46:24,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 532 states and 590 transitions. [2024-11-24 01:46:24,072 INFO L78 Accepts]: Start accepts. Automaton has 532 states and 590 transitions. Word has length 85 [2024-11-24 01:46:24,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:46:24,072 INFO L471 AbstractCegarLoop]: Abstraction has 532 states and 590 transitions. [2024-11-24 01:46:24,072 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:46:24,073 INFO L276 IsEmpty]: Start isEmpty. Operand 532 states and 590 transitions. [2024-11-24 01:46:24,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-24 01:46:24,074 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:46:24,074 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 7, 5, 5, 5, 5, 4, 4, 3, 3, 2, 1, 1, 1, 1, 1, 1] [2024-11-24 01:46:24,085 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2024-11-24 01:46:24,274 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:46:24,275 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-24 01:46:24,275 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:46:24,275 INFO L85 PathProgramCache]: Analyzing trace with hash -550861838, now seen corresponding path program 3 times [2024-11-24 01:46:24,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:46:24,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042988125] [2024-11-24 01:46:24,275 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-24 01:46:24,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:46:24,305 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-24 01:46:24,305 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-24 01:46:24,537 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 191 proven. 0 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2024-11-24 01:46:24,538 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:46:24,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1042988125] [2024-11-24 01:46:24,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1042988125] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:46:24,538 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:46:24,538 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 01:46:24,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030016245] [2024-11-24 01:46:24,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:46:24,539 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 01:46:24,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:46:24,539 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 01:46:24,539 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:46:24,540 INFO L87 Difference]: Start difference. First operand 532 states and 590 transitions. Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:46:24,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:46:24,744 INFO L93 Difference]: Finished difference Result 999 states and 1108 transitions. [2024-11-24 01:46:24,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:46:24,744 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 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 89 [2024-11-24 01:46:24,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:46:24,746 INFO L225 Difference]: With dead ends: 999 [2024-11-24 01:46:24,747 INFO L226 Difference]: Without dead ends: 521 [2024-11-24 01:46:24,747 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:46:24,748 INFO L435 NwaCegarLoop]: 16 mSDtfsCounter, 19 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 01:46:24,748 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 46 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 01:46:24,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 521 states. [2024-11-24 01:46:24,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 521 to 519. [2024-11-24 01:46:24,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 519 states, 518 states have (on average 1.0945945945945945) internal successors, (567), 518 states have internal predecessors, (567), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:46:24,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 519 states and 567 transitions. [2024-11-24 01:46:24,895 INFO L78 Accepts]: Start accepts. Automaton has 519 states and 567 transitions. Word has length 89 [2024-11-24 01:46:24,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:46:24,895 INFO L471 AbstractCegarLoop]: Abstraction has 519 states and 567 transitions. [2024-11-24 01:46:24,895 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:46:24,896 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 567 transitions. [2024-11-24 01:46:24,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-24 01:46:24,897 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:46:24,897 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 8, 5, 5, 5, 5, 4, 4, 3, 3, 2, 1, 1, 1, 1, 1, 1] [2024-11-24 01:46:24,897 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-11-24 01:46:24,898 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-24 01:46:24,898 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:46:24,898 INFO L85 PathProgramCache]: Analyzing trace with hash -717015462, now seen corresponding path program 4 times [2024-11-24 01:46:24,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:46:24,898 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1735293521] [2024-11-24 01:46:24,899 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-24 01:46:24,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:46:24,966 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-24 01:46:24,966 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-24 01:46:26,017 INFO L134 CoverageAnalysis]: Checked inductivity of 353 backedges. 0 proven. 353 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:46:26,017 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:46:26,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1735293521] [2024-11-24 01:46:26,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1735293521] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:46:26,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1205431702] [2024-11-24 01:46:26,017 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-24 01:46:26,017 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:46:26,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:46:26,020 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:46:26,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-11-24 01:46:26,104 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-24 01:46:26,104 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-24 01:46:26,106 INFO L256 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-24 01:46:26,108 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:46:27,286 INFO L134 CoverageAnalysis]: Checked inductivity of 353 backedges. 0 proven. 353 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:46:27,286 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:46:28,709 INFO L134 CoverageAnalysis]: Checked inductivity of 353 backedges. 0 proven. 353 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:46:28,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1205431702] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 01:46:28,709 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 01:46:28,709 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 34, 34] total 100 [2024-11-24 01:46:28,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325347006] [2024-11-24 01:46:28,710 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 01:46:28,710 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 101 states [2024-11-24 01:46:28,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:46:28,712 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 101 interpolants. [2024-11-24 01:46:28,712 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1906, Invalid=8194, Unknown=0, NotChecked=0, Total=10100 [2024-11-24 01:46:28,713 INFO L87 Difference]: Start difference. First operand 519 states and 567 transitions. Second operand has 101 states, 100 states have (on average 2.8) internal successors, (280), 101 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:46:30,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:46:30,031 INFO L93 Difference]: Finished difference Result 1639 states and 1777 transitions. [2024-11-24 01:46:30,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2024-11-24 01:46:30,032 INFO L78 Accepts]: Start accepts. Automaton has has 101 states, 100 states have (on average 2.8) internal successors, (280), 101 states have internal predecessors, (280), 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 94 [2024-11-24 01:46:30,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:46:30,037 INFO L225 Difference]: With dead ends: 1639 [2024-11-24 01:46:30,037 INFO L226 Difference]: Without dead ends: 1592 [2024-11-24 01:46:30,039 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 232 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 111 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6156 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=2355, Invalid=10301, Unknown=0, NotChecked=0, Total=12656 [2024-11-24 01:46:30,039 INFO L435 NwaCegarLoop]: 5 mSDtfsCounter, 362 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 632 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 362 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 642 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 632 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-24 01:46:30,040 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [362 Valid, 99 Invalid, 642 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 632 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-24 01:46:30,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1592 states. [2024-11-24 01:46:30,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1592 to 533. [2024-11-24 01:46:30,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 533 states, 532 states have (on average 1.1015037593984962) internal successors, (586), 532 states have internal predecessors, (586), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:46:30,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 533 states and 586 transitions. [2024-11-24 01:46:30,181 INFO L78 Accepts]: Start accepts. Automaton has 533 states and 586 transitions. Word has length 94 [2024-11-24 01:46:30,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:46:30,182 INFO L471 AbstractCegarLoop]: Abstraction has 533 states and 586 transitions. [2024-11-24 01:46:30,182 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 101 states, 100 states have (on average 2.8) internal successors, (280), 101 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:46:30,182 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 586 transitions. [2024-11-24 01:46:30,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-24 01:46:30,184 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:46:30,184 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 13, 11, 5, 5, 5, 5, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-24 01:46:30,197 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2024-11-24 01:46:30,384 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35,24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:46:30,385 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-24 01:46:30,385 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:46:30,385 INFO L85 PathProgramCache]: Analyzing trace with hash -850654246, now seen corresponding path program 5 times [2024-11-24 01:46:30,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:46:30,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204824613] [2024-11-24 01:46:30,385 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-24 01:46:30,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:46:30,417 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 12 check-sat command(s) [2024-11-24 01:46:30,417 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-24 01:46:31,664 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 0 proven. 464 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:46:31,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:46:31,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1204824613] [2024-11-24 01:46:31,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1204824613] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:46:31,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [104421242] [2024-11-24 01:46:31,664 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-24 01:46:31,665 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:46:31,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:46:31,667 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:46:31,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-11-24 01:46:31,741 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 12 check-sat command(s) [2024-11-24 01:46:31,741 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-24 01:46:31,742 INFO L256 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-24 01:46:31,744 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:46:33,082 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 0 proven. 464 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:46:33,082 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:46:34,841 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 0 proven. 464 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:46:34,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [104421242] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 01:46:34,842 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 01:46:34,842 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38, 38, 38] total 112 [2024-11-24 01:46:34,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061374414] [2024-11-24 01:46:34,842 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 01:46:34,843 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 113 states [2024-11-24 01:46:34,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:46:34,844 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 113 interpolants. [2024-11-24 01:46:34,847 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2406, Invalid=10250, Unknown=0, NotChecked=0, Total=12656 [2024-11-24 01:46:34,847 INFO L87 Difference]: Start difference. First operand 533 states and 586 transitions. Second operand has 113 states, 112 states have (on average 2.7142857142857144) internal successors, (304), 113 states have internal predecessors, (304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:46:36,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:46:36,939 INFO L93 Difference]: Finished difference Result 1584 states and 1675 transitions. [2024-11-24 01:46:36,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2024-11-24 01:46:36,940 INFO L78 Accepts]: Start accepts. Automaton has has 113 states, 112 states have (on average 2.7142857142857144) internal successors, (304), 113 states have internal predecessors, (304), 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 102 [2024-11-24 01:46:36,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:46:36,943 INFO L225 Difference]: With dead ends: 1584 [2024-11-24 01:46:36,943 INFO L226 Difference]: Without dead ends: 1555 [2024-11-24 01:46:36,945 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 267 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 138 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8819 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=3737, Invalid=15723, Unknown=0, NotChecked=0, Total=19460 [2024-11-24 01:46:36,945 INFO L435 NwaCegarLoop]: 5 mSDtfsCounter, 430 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 748 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 430 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 755 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 748 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-24 01:46:36,946 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [430 Valid, 145 Invalid, 755 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 748 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-24 01:46:36,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1555 states. [2024-11-24 01:46:37,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1555 to 661. [2024-11-24 01:46:37,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 661 states, 660 states have (on average 1.1) internal successors, (726), 660 states have internal predecessors, (726), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:46:37,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 661 states to 661 states and 726 transitions. [2024-11-24 01:46:37,100 INFO L78 Accepts]: Start accepts. Automaton has 661 states and 726 transitions. Word has length 102 [2024-11-24 01:46:37,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:46:37,100 INFO L471 AbstractCegarLoop]: Abstraction has 661 states and 726 transitions. [2024-11-24 01:46:37,100 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 113 states, 112 states have (on average 2.7142857142857144) internal successors, (304), 113 states have internal predecessors, (304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:46:37,101 INFO L276 IsEmpty]: Start isEmpty. Operand 661 states and 726 transitions. [2024-11-24 01:46:37,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-24 01:46:37,102 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:46:37,102 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 6, 6, 5, 5, 4, 4, 1, 1, 1, 1, 1, 1] [2024-11-24 01:46:37,110 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2024-11-24 01:46:37,302 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2024-11-24 01:46:37,303 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-24 01:46:37,303 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:46:37,303 INFO L85 PathProgramCache]: Analyzing trace with hash -1078205306, now seen corresponding path program 6 times [2024-11-24 01:46:37,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:46:37,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1732881230] [2024-11-24 01:46:37,303 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-24 01:46:37,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:46:37,343 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2024-11-24 01:46:37,343 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-24 01:46:37,699 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 230 proven. 61 refuted. 0 times theorem prover too weak. 199 trivial. 0 not checked. [2024-11-24 01:46:37,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:46:37,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1732881230] [2024-11-24 01:46:37,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1732881230] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:46:37,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1248418277] [2024-11-24 01:46:37,700 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-24 01:46:37,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:46:37,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:46:37,703 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:46:37,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-11-24 01:46:37,790 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2024-11-24 01:46:37,790 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-24 01:46:37,791 INFO L256 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-24 01:46:37,792 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:46:38,000 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 243 proven. 48 refuted. 0 times theorem prover too weak. 199 trivial. 0 not checked. [2024-11-24 01:46:38,000 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:46:38,313 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 230 proven. 61 refuted. 0 times theorem prover too weak. 199 trivial. 0 not checked. [2024-11-24 01:46:38,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1248418277] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 01:46:38,313 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 01:46:38,313 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 10] total 16 [2024-11-24 01:46:38,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [823457375] [2024-11-24 01:46:38,313 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 01:46:38,314 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-24 01:46:38,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:46:38,314 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-24 01:46:38,315 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=226, Unknown=0, NotChecked=0, Total=272 [2024-11-24 01:46:38,315 INFO L87 Difference]: Start difference. First operand 661 states and 726 transitions. Second operand has 17 states, 16 states have (on average 4.75) internal successors, (76), 17 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:46:38,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:46:38,875 INFO L93 Difference]: Finished difference Result 1403 states and 1498 transitions. [2024-11-24 01:46:38,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-24 01:46:38,876 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 4.75) internal successors, (76), 17 states have internal predecessors, (76), 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 116 [2024-11-24 01:46:38,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:46:38,878 INFO L225 Difference]: With dead ends: 1403 [2024-11-24 01:46:38,878 INFO L226 Difference]: Without dead ends: 530 [2024-11-24 01:46:38,880 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 243 GetRequests, 219 SyntacticMatches, 7 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=59, Invalid=283, Unknown=0, NotChecked=0, Total=342 [2024-11-24 01:46:38,880 INFO L435 NwaCegarLoop]: 13 mSDtfsCounter, 43 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 242 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 242 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-24 01:46:38,881 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 119 Invalid, 245 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 242 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-24 01:46:38,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 530 states. [2024-11-24 01:46:39,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 530 to 528. [2024-11-24 01:46:39,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 528 states, 527 states have (on average 1.0398481973434535) internal successors, (548), 527 states have internal predecessors, (548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:46:39,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 548 transitions. [2024-11-24 01:46:39,052 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 548 transitions. Word has length 116 [2024-11-24 01:46:39,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:46:39,052 INFO L471 AbstractCegarLoop]: Abstraction has 528 states and 548 transitions. [2024-11-24 01:46:39,052 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 4.75) internal successors, (76), 17 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:46:39,052 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 548 transitions. [2024-11-24 01:46:39,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-24 01:46:39,054 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:46:39,054 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 10, 10, 10, 10, 6, 6, 6, 5, 5, 5, 1, 1, 1, 1, 1, 1] [2024-11-24 01:46:39,065 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2024-11-24 01:46:39,254 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2024-11-24 01:46:39,255 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-24 01:46:39,255 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:46:39,255 INFO L85 PathProgramCache]: Analyzing trace with hash 1226596294, now seen corresponding path program 7 times [2024-11-24 01:46:39,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:46:39,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [495164008] [2024-11-24 01:46:39,255 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-24 01:46:39,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:46:39,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:46:40,930 INFO L134 CoverageAnalysis]: Checked inductivity of 551 backedges. 0 proven. 551 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:46:40,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:46:40,930 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [495164008] [2024-11-24 01:46:40,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [495164008] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:46:40,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1215521765] [2024-11-24 01:46:40,931 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-24 01:46:40,931 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:46:40,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:46:40,934 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:46:40,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-11-24 01:46:41,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:46:41,033 INFO L256 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 45 conjuncts are in the unsatisfiable core [2024-11-24 01:46:41,036 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:46:42,882 INFO L134 CoverageAnalysis]: Checked inductivity of 551 backedges. 0 proven. 551 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:46:42,882 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:46:45,105 INFO L134 CoverageAnalysis]: Checked inductivity of 551 backedges. 0 proven. 551 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:46:45,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1215521765] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 01:46:45,106 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 01:46:45,106 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [44, 44, 44] total 130 [2024-11-24 01:46:45,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625680413] [2024-11-24 01:46:45,106 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 01:46:45,107 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 131 states [2024-11-24 01:46:45,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:46:45,108 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 131 interpolants. [2024-11-24 01:46:45,109 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3036, Invalid=13994, Unknown=0, NotChecked=0, Total=17030 [2024-11-24 01:46:45,109 INFO L87 Difference]: Start difference. First operand 528 states and 548 transitions. Second operand has 131 states, 130 states have (on average 2.8230769230769233) internal successors, (367), 131 states have internal predecessors, (367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:46:47,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:46:47,189 INFO L93 Difference]: Finished difference Result 1096 states and 1148 transitions. [2024-11-24 01:46:47,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2024-11-24 01:46:47,190 INFO L78 Accepts]: Start accepts. Automaton has has 131 states, 130 states have (on average 2.8230769230769233) internal successors, (367), 131 states have internal predecessors, (367), 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 [2024-11-24 01:46:47,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:46:47,194 INFO L225 Difference]: With dead ends: 1096 [2024-11-24 01:46:47,194 INFO L226 Difference]: Without dead ends: 1059 [2024-11-24 01:46:47,196 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 312 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 153 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11433 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=4265, Invalid=19605, Unknown=0, NotChecked=0, Total=23870 [2024-11-24 01:46:47,197 INFO L435 NwaCegarLoop]: 5 mSDtfsCounter, 358 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 813 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 358 SdHoareTripleChecker+Valid, 141 SdHoareTripleChecker+Invalid, 819 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 813 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-24 01:46:47,197 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [358 Valid, 141 Invalid, 819 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 813 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-24 01:46:47,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1059 states. [2024-11-24 01:46:47,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1059 to 570. [2024-11-24 01:46:47,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 570 states, 569 states have (on average 1.0456942003514937) internal successors, (595), 569 states have internal predecessors, (595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:46:47,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 570 states and 595 transitions. [2024-11-24 01:46:47,412 INFO L78 Accepts]: Start accepts. Automaton has 570 states and 595 transitions. Word has length 123 [2024-11-24 01:46:47,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:46:47,412 INFO L471 AbstractCegarLoop]: Abstraction has 570 states and 595 transitions. [2024-11-24 01:46:47,412 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 131 states, 130 states have (on average 2.8230769230769233) internal successors, (367), 131 states have internal predecessors, (367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:46:47,413 INFO L276 IsEmpty]: Start isEmpty. Operand 570 states and 595 transitions. [2024-11-24 01:46:47,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-24 01:46:47,415 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:46:47,415 INFO L218 NwaCegarLoop]: trace histogram [28, 28, 28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:46:47,427 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2024-11-24 01:46:47,619 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2024-11-24 01:46:47,620 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-24 01:46:47,620 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:46:47,621 INFO L85 PathProgramCache]: Analyzing trace with hash 266005702, now seen corresponding path program 3 times [2024-11-24 01:46:47,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:46:47,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [513804622] [2024-11-24 01:46:47,621 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-24 01:46:47,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:46:47,675 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 29 check-sat command(s) [2024-11-24 01:46:47,675 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-24 01:46:50,541 INFO L134 CoverageAnalysis]: Checked inductivity of 1919 backedges. 0 proven. 1919 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:46:50,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:46:50,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [513804622] [2024-11-24 01:46:50,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [513804622] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:46:50,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1868787051] [2024-11-24 01:46:50,541 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-24 01:46:50,542 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:46:50,542 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:46:50,543 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:46:50,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-11-24 01:46:50,661 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 29 check-sat command(s) [2024-11-24 01:46:50,661 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-24 01:46:50,663 INFO L256 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 61 conjuncts are in the unsatisfiable core [2024-11-24 01:46:50,665 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:46:53,855 INFO L134 CoverageAnalysis]: Checked inductivity of 1919 backedges. 0 proven. 1919 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:46:53,855 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:46:58,291 INFO L134 CoverageAnalysis]: Checked inductivity of 1919 backedges. 0 proven. 1919 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:46:58,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1868787051] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 01:46:58,292 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 01:46:58,292 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [60, 60, 60] total 178 [2024-11-24 01:46:58,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806441426] [2024-11-24 01:46:58,292 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 01:46:58,293 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 179 states [2024-11-24 01:46:58,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:46:58,296 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 179 interpolants. [2024-11-24 01:46:58,299 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7036, Invalid=24826, Unknown=0, NotChecked=0, Total=31862 [2024-11-24 01:46:58,299 INFO L87 Difference]: Start difference. First operand 570 states and 595 transitions. Second operand has 179 states, 178 states have (on average 2.567415730337079) internal successors, (457), 179 states have internal predecessors, (457), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:46:59,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:46:59,693 INFO L93 Difference]: Finished difference Result 1117 states and 1171 transitions. [2024-11-24 01:46:59,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2024-11-24 01:46:59,693 INFO L78 Accepts]: Start accepts. Automaton has has 179 states, 178 states have (on average 2.567415730337079) internal successors, (457), 179 states have internal predecessors, (457), 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 153 [2024-11-24 01:46:59,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:46:59,697 INFO L225 Difference]: With dead ends: 1117 [2024-11-24 01:46:59,697 INFO L226 Difference]: Without dead ends: 1058 [2024-11-24 01:46:59,699 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 364 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 177 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17654 ImplicationChecksByTransitivity, 8.5s TimeCoverageRelationStatistics Valid=7036, Invalid=24826, Unknown=0, NotChecked=0, Total=31862 [2024-11-24 01:46:59,701 INFO L435 NwaCegarLoop]: 5 mSDtfsCounter, 505 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 720 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 505 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 720 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 720 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-24 01:46:59,701 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [505 Valid, 101 Invalid, 720 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 720 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-24 01:46:59,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1058 states. [2024-11-24 01:46:59,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1058 to 723. [2024-11-24 01:46:59,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 723 states, 722 states have (on average 1.03601108033241) internal successors, (748), 722 states have internal predecessors, (748), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:46:59,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 723 states to 723 states and 748 transitions. [2024-11-24 01:46:59,854 INFO L78 Accepts]: Start accepts. Automaton has 723 states and 748 transitions. Word has length 153 [2024-11-24 01:46:59,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:46:59,855 INFO L471 AbstractCegarLoop]: Abstraction has 723 states and 748 transitions. [2024-11-24 01:46:59,855 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 179 states, 178 states have (on average 2.567415730337079) internal successors, (457), 179 states have internal predecessors, (457), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:46:59,855 INFO L276 IsEmpty]: Start isEmpty. Operand 723 states and 748 transitions. [2024-11-24 01:46:59,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-11-24 01:46:59,857 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:46:59,857 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 22, 19, 7, 7, 7, 7, 4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1] [2024-11-24 01:46:59,868 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2024-11-24 01:47:00,057 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2024-11-24 01:47:00,058 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-24 01:47:00,058 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:47:00,058 INFO L85 PathProgramCache]: Analyzing trace with hash -831464250, now seen corresponding path program 8 times [2024-11-24 01:47:00,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:47:00,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1484689322] [2024-11-24 01:47:00,058 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-24 01:47:00,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:47:00,092 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-24 01:47:00,093 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-24 01:47:02,773 INFO L134 CoverageAnalysis]: Checked inductivity of 1301 backedges. 0 proven. 1301 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:47:02,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:47:02,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1484689322] [2024-11-24 01:47:02,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1484689322] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:47:02,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [178510267] [2024-11-24 01:47:02,773 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-24 01:47:02,773 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:47:02,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:47:02,776 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:47:02,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-11-24 01:47:02,870 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-24 01:47:02,870 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-24 01:47:02,872 INFO L256 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 61 conjuncts are in the unsatisfiable core [2024-11-24 01:47:02,874 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:47:05,786 INFO L134 CoverageAnalysis]: Checked inductivity of 1301 backedges. 0 proven. 1301 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:47:05,787 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:47:10,002 INFO L134 CoverageAnalysis]: Checked inductivity of 1301 backedges. 0 proven. 1301 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:47:10,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [178510267] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 01:47:10,002 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 01:47:10,002 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [60, 60, 60] total 178 [2024-11-24 01:47:10,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2032213652] [2024-11-24 01:47:10,003 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 01:47:10,003 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 179 states [2024-11-24 01:47:10,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:47:10,005 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 179 interpolants. [2024-11-24 01:47:10,007 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6028, Invalid=25834, Unknown=0, NotChecked=0, Total=31862 [2024-11-24 01:47:10,007 INFO L87 Difference]: Start difference. First operand 723 states and 748 transitions. Second operand has 179 states, 178 states have (on average 2.668539325842697) internal successors, (475), 179 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) [2024-11-24 01:47:14,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:47:14,495 INFO L93 Difference]: Finished difference Result 2260 states and 2331 transitions. [2024-11-24 01:47:14,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 165 states. [2024-11-24 01:47:14,496 INFO L78 Accepts]: Start accepts. Automaton has has 179 states, 178 states have (on average 2.668539325842697) internal successors, (475), 179 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 159 [2024-11-24 01:47:14,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:47:14,502 INFO L225 Difference]: With dead ends: 2260 [2024-11-24 01:47:14,502 INFO L226 Difference]: Without dead ends: 2209 [2024-11-24 01:47:14,506 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 422 GetRequests, 199 SyntacticMatches, 0 SemanticMatches, 223 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23310 ImplicationChecksByTransitivity, 9.9s TimeCoverageRelationStatistics Valid=9657, Invalid=40743, Unknown=0, NotChecked=0, Total=50400 [2024-11-24 01:47:14,507 INFO L435 NwaCegarLoop]: 5 mSDtfsCounter, 744 mSDsluCounter, 208 mSDsCounter, 0 mSdLazyCounter, 1118 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 744 SdHoareTripleChecker+Valid, 213 SdHoareTripleChecker+Invalid, 1122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:47:14,507 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [744 Valid, 213 Invalid, 1122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1118 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-24 01:47:14,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2209 states. [2024-11-24 01:47:14,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2209 to 859. [2024-11-24 01:47:14,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 859 states, 858 states have (on average 1.0303030303030303) internal successors, (884), 858 states have internal predecessors, (884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:47:14,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 859 states to 859 states and 884 transitions. [2024-11-24 01:47:14,793 INFO L78 Accepts]: Start accepts. Automaton has 859 states and 884 transitions. Word has length 159 [2024-11-24 01:47:14,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:47:14,793 INFO L471 AbstractCegarLoop]: Abstraction has 859 states and 884 transitions. [2024-11-24 01:47:14,793 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 179 states, 178 states have (on average 2.668539325842697) internal successors, (475), 179 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) [2024-11-24 01:47:14,794 INFO L276 IsEmpty]: Start isEmpty. Operand 859 states and 884 transitions. [2024-11-24 01:47:14,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-11-24 01:47:14,796 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:47:14,796 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 15, 15, 15, 15, 9, 8, 8, 8, 7, 7, 1, 1, 1, 1, 1, 1] [2024-11-24 01:47:14,810 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2024-11-24 01:47:15,000 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:47:15,000 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-24 01:47:15,001 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:47:15,001 INFO L85 PathProgramCache]: Analyzing trace with hash 25318214, now seen corresponding path program 9 times [2024-11-24 01:47:15,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:47:15,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249043803] [2024-11-24 01:47:15,001 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-24 01:47:15,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:47:15,155 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 14 check-sat command(s) [2024-11-24 01:47:15,155 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-24 01:47:18,515 INFO L134 CoverageAnalysis]: Checked inductivity of 1212 backedges. 0 proven. 1212 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:47:18,515 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:47:18,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [249043803] [2024-11-24 01:47:18,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [249043803] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:47:18,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1776946310] [2024-11-24 01:47:18,516 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-24 01:47:18,516 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:47:18,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:47:18,518 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:47:18,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-11-24 01:47:18,650 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 14 check-sat command(s) [2024-11-24 01:47:18,650 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-24 01:47:18,653 INFO L256 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 65 conjuncts are in the unsatisfiable core [2024-11-24 01:47:18,655 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:47:21,918 INFO L134 CoverageAnalysis]: Checked inductivity of 1212 backedges. 0 proven. 1212 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:47:21,918 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:47:26,095 INFO L134 CoverageAnalysis]: Checked inductivity of 1212 backedges. 0 proven. 1212 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:47:26,095 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1776946310] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 01:47:26,095 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 01:47:26,095 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [64, 64, 64] total 190 [2024-11-24 01:47:26,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454884066] [2024-11-24 01:47:26,095 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 01:47:26,096 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 191 states [2024-11-24 01:47:26,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:47:26,100 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 191 interpolants. [2024-11-24 01:47:26,103 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6336, Invalid=29954, Unknown=0, NotChecked=0, Total=36290 [2024-11-24 01:47:26,104 INFO L87 Difference]: Start difference. First operand 859 states and 884 transitions. Second operand has 191 states, 190 states have (on average 2.7842105263157895) internal successors, (529), 191 states have internal predecessors, (529), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:47:30,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:47:30,287 INFO L93 Difference]: Finished difference Result 1950 states and 2025 transitions. [2024-11-24 01:47:30,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 165 states. [2024-11-24 01:47:30,288 INFO L78 Accepts]: Start accepts. Automaton has has 191 states, 190 states have (on average 2.7842105263157895) internal successors, (529), 191 states have internal predecessors, (529), 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 177 [2024-11-24 01:47:30,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:47:30,293 INFO L225 Difference]: With dead ends: 1950 [2024-11-24 01:47:30,293 INFO L226 Difference]: Without dead ends: 1895 [2024-11-24 01:47:30,297 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 454 GetRequests, 227 SyntacticMatches, 0 SemanticMatches, 227 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25402 ImplicationChecksByTransitivity, 10.3s TimeCoverageRelationStatistics Valid=9185, Invalid=43027, Unknown=0, NotChecked=0, Total=52212 [2024-11-24 01:47:30,298 INFO L435 NwaCegarLoop]: 5 mSDtfsCounter, 569 mSDsluCounter, 200 mSDsCounter, 0 mSdLazyCounter, 1133 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 569 SdHoareTripleChecker+Valid, 205 SdHoareTripleChecker+Invalid, 1141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 1133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:47:30,298 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [569 Valid, 205 Invalid, 1141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 1133 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-24 01:47:30,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1895 states. [2024-11-24 01:47:30,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1895 to 931. [2024-11-24 01:47:30,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 931 states, 930 states have (on average 1.0365591397849463) internal successors, (964), 930 states have internal predecessors, (964), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:47:30,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 931 states to 931 states and 964 transitions. [2024-11-24 01:47:30,587 INFO L78 Accepts]: Start accepts. Automaton has 931 states and 964 transitions. Word has length 177 [2024-11-24 01:47:30,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:47:30,588 INFO L471 AbstractCegarLoop]: Abstraction has 931 states and 964 transitions. [2024-11-24 01:47:30,588 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 191 states, 190 states have (on average 2.7842105263157895) internal successors, (529), 191 states have internal predecessors, (529), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:47:30,588 INFO L276 IsEmpty]: Start isEmpty. Operand 931 states and 964 transitions. [2024-11-24 01:47:30,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2024-11-24 01:47:30,591 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:47:30,591 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 24, 17, 17, 17, 17, 16, 9, 9, 9, 8, 8, 1, 1, 1, 1, 1, 1] [2024-11-24 01:47:30,604 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Ended with exit code 0 [2024-11-24 01:47:30,791 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:47:30,792 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-24 01:47:30,792 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:47:30,792 INFO L85 PathProgramCache]: Analyzing trace with hash 1253845958, now seen corresponding path program 10 times [2024-11-24 01:47:30,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:47:30,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777573666] [2024-11-24 01:47:30,792 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-24 01:47:30,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:47:30,894 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-24 01:47:30,895 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-24 01:47:36,076 INFO L134 CoverageAnalysis]: Checked inductivity of 2173 backedges. 0 proven. 2173 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:47:36,076 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:47:36,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [777573666] [2024-11-24 01:47:36,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [777573666] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:47:36,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1645181168] [2024-11-24 01:47:36,077 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-24 01:47:36,077 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:47:36,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:47:36,079 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:47:36,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2024-11-24 01:47:36,202 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-24 01:47:36,202 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-24 01:47:36,205 INFO L256 TraceCheckSpWp]: Trace formula consists of 385 conjuncts, 85 conjuncts are in the unsatisfiable core [2024-11-24 01:47:36,209 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:47:41,228 INFO L134 CoverageAnalysis]: Checked inductivity of 2173 backedges. 0 proven. 2173 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:47:41,228 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:47:48,863 INFO L134 CoverageAnalysis]: Checked inductivity of 2173 backedges. 0 proven. 2173 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:47:48,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1645181168] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 01:47:48,863 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 01:47:48,864 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [84, 84, 84] total 250 [2024-11-24 01:47:48,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345070512] [2024-11-24 01:47:48,864 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 01:47:48,864 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 251 states [2024-11-24 01:47:48,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:47:48,868 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 251 interpolants. [2024-11-24 01:47:48,872 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10932, Invalid=51818, Unknown=0, NotChecked=0, Total=62750 [2024-11-24 01:47:48,873 INFO L87 Difference]: Start difference. First operand 931 states and 964 transitions. Second operand has 251 states, 250 states have (on average 2.74) internal successors, (685), 251 states have internal predecessors, (685), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:47:56,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:47:56,001 INFO L93 Difference]: Finished difference Result 2717 states and 2808 transitions. [2024-11-24 01:47:56,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 222 states. [2024-11-24 01:47:56,001 INFO L78 Accepts]: Start accepts. Automaton has has 251 states, 250 states have (on average 2.74) internal successors, (685), 251 states have internal predecessors, (685), 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 229 [2024-11-24 01:47:56,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:47:56,007 INFO L225 Difference]: With dead ends: 2717 [2024-11-24 01:47:56,007 INFO L226 Difference]: Without dead ends: 2654 [2024-11-24 01:47:56,013 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 595 GetRequests, 291 SyntacticMatches, 0 SemanticMatches, 304 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45381 ImplicationChecksByTransitivity, 17.6s TimeCoverageRelationStatistics Valid=16483, Invalid=76847, Unknown=0, NotChecked=0, Total=93330 [2024-11-24 01:47:56,014 INFO L435 NwaCegarLoop]: 5 mSDtfsCounter, 988 mSDsluCounter, 253 mSDsCounter, 0 mSdLazyCounter, 1370 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 988 SdHoareTripleChecker+Valid, 258 SdHoareTripleChecker+Invalid, 1379 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1370 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-24 01:47:56,014 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [988 Valid, 258 Invalid, 1379 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1370 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-24 01:47:56,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2654 states. [2024-11-24 01:47:56,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2654 to 999. [2024-11-24 01:47:56,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 999 states, 998 states have (on average 1.0380761523046091) internal successors, (1036), 998 states have internal predecessors, (1036), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:47:56,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 999 states to 999 states and 1036 transitions. [2024-11-24 01:47:56,353 INFO L78 Accepts]: Start accepts. Automaton has 999 states and 1036 transitions. Word has length 229 [2024-11-24 01:47:56,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:47:56,354 INFO L471 AbstractCegarLoop]: Abstraction has 999 states and 1036 transitions. [2024-11-24 01:47:56,354 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 251 states, 250 states have (on average 2.74) internal successors, (685), 251 states have internal predecessors, (685), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:47:56,355 INFO L276 IsEmpty]: Start isEmpty. Operand 999 states and 1036 transitions. [2024-11-24 01:47:56,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2024-11-24 01:47:56,357 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:47:56,357 INFO L218 NwaCegarLoop]: trace histogram [50, 50, 50, 50, 49, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:47:56,370 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2024-11-24 01:47:56,558 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:47:56,558 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-24 01:47:56,558 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:47:56,558 INFO L85 PathProgramCache]: Analyzing trace with hash 382451142, now seen corresponding path program 11 times [2024-11-24 01:47:56,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:47:56,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426985711] [2024-11-24 01:47:56,559 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-24 01:47:56,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:47:56,650 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 50 check-sat command(s) [2024-11-24 01:47:56,650 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-24 01:48:04,405 INFO L134 CoverageAnalysis]: Checked inductivity of 6195 backedges. 0 proven. 6195 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:48:04,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:48:04,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [426985711] [2024-11-24 01:48:04,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [426985711] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:48:04,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1712840518] [2024-11-24 01:48:04,405 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-24 01:48:04,405 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:48:04,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:48:04,407 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:48:04,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2024-11-24 01:48:04,596 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 50 check-sat command(s) [2024-11-24 01:48:04,596 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-24 01:48:04,601 INFO L256 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 109 conjuncts are in the unsatisfiable core [2024-11-24 01:48:04,607 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:48:12,292 INFO L134 CoverageAnalysis]: Checked inductivity of 6195 backedges. 0 proven. 6195 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:48:12,292 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:48:25,747 INFO L134 CoverageAnalysis]: Checked inductivity of 6195 backedges. 0 proven. 6195 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:48:25,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1712840518] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 01:48:25,747 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 01:48:25,747 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [108, 108, 108] total 322 [2024-11-24 01:48:25,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550459367] [2024-11-24 01:48:25,748 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 01:48:25,749 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 323 states [2024-11-24 01:48:25,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:48:25,757 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 323 interpolants. [2024-11-24 01:48:25,766 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22236, Invalid=81770, Unknown=0, NotChecked=0, Total=104006 [2024-11-24 01:48:25,768 INFO L87 Difference]: Start difference. First operand 999 states and 1036 transitions. Second operand has 323 states, 322 states have (on average 2.5559006211180124) internal successors, (823), 323 states have internal predecessors, (823), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:48:41,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:48:41,889 INFO L93 Difference]: Finished difference Result 3235 states and 3374 transitions. [2024-11-24 01:48:41,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 315 states. [2024-11-24 01:48:41,890 INFO L78 Accepts]: Start accepts. Automaton has has 323 states, 322 states have (on average 2.5559006211180124) internal successors, (823), 323 states have internal predecessors, (823), 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 275 [2024-11-24 01:48:41,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:48:41,895 INFO L225 Difference]: With dead ends: 3235 [2024-11-24 01:48:41,895 INFO L226 Difference]: Without dead ends: 3128 [2024-11-24 01:48:41,906 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 756 GetRequests, 335 SyntacticMatches, 0 SemanticMatches, 421 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80213 ImplicationChecksByTransitivity, 31.6s TimeCoverageRelationStatistics Valid=37945, Invalid=140561, Unknown=0, NotChecked=0, Total=178506 [2024-11-24 01:48:41,907 INFO L435 NwaCegarLoop]: 5 mSDtfsCounter, 2122 mSDsluCounter, 353 mSDsCounter, 0 mSdLazyCounter, 1755 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2122 SdHoareTripleChecker+Valid, 358 SdHoareTripleChecker+Invalid, 1757 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1755 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-24 01:48:41,907 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2122 Valid, 358 Invalid, 1757 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1755 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-24 01:48:41,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3128 states. [2024-11-24 01:48:42,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3128 to 1640. [2024-11-24 01:48:42,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1640 states, 1639 states have (on average 1.0231848688224527) internal successors, (1677), 1639 states have internal predecessors, (1677), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:48:42,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1640 states to 1640 states and 1677 transitions. [2024-11-24 01:48:42,566 INFO L78 Accepts]: Start accepts. Automaton has 1640 states and 1677 transitions. Word has length 275 [2024-11-24 01:48:42,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:48:42,567 INFO L471 AbstractCegarLoop]: Abstraction has 1640 states and 1677 transitions. [2024-11-24 01:48:42,567 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 323 states, 322 states have (on average 2.5559006211180124) internal successors, (823), 323 states have internal predecessors, (823), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:48:42,568 INFO L276 IsEmpty]: Start isEmpty. Operand 1640 states and 1677 transitions. [2024-11-24 01:48:42,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2024-11-24 01:48:42,569 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:48:42,569 INFO L218 NwaCegarLoop]: trace histogram [33, 33, 33, 33, 24, 19, 19, 19, 19, 10, 10, 10, 9, 9, 1, 1, 1, 1, 1, 1] [2024-11-24 01:48:42,577 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Ended with exit code 0 [2024-11-24 01:48:42,770 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43,32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:48:42,770 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-24 01:48:42,770 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:48:42,770 INFO L85 PathProgramCache]: Analyzing trace with hash -1077523110, now seen corresponding path program 12 times [2024-11-24 01:48:42,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:48:42,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922890436] [2024-11-24 01:48:42,771 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-24 01:48:42,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:48:42,873 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 25 check-sat command(s) [2024-11-24 01:48:42,873 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-24 01:48:50,486 INFO L134 CoverageAnalysis]: Checked inductivity of 3637 backedges. 0 proven. 3637 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:48:50,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:48:50,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1922890436] [2024-11-24 01:48:50,486 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1922890436] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:48:50,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [740237046] [2024-11-24 01:48:50,487 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-24 01:48:50,487 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:48:50,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:48:50,489 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:48:50,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2024-11-24 01:48:50,711 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 25 check-sat command(s) [2024-11-24 01:48:50,711 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-24 01:48:50,716 INFO L256 TraceCheckSpWp]: Trace formula consists of 477 conjuncts, 107 conjuncts are in the unsatisfiable core [2024-11-24 01:48:50,727 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:48:58,605 INFO L134 CoverageAnalysis]: Checked inductivity of 3637 backedges. 0 proven. 3637 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:48:58,605 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:49:10,663 INFO L134 CoverageAnalysis]: Checked inductivity of 3637 backedges. 0 proven. 3637 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:49:10,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [740237046] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 01:49:10,663 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 01:49:10,663 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [106, 106, 106] total 316 [2024-11-24 01:49:10,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258841426] [2024-11-24 01:49:10,663 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 01:49:10,664 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 317 states [2024-11-24 01:49:10,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:49:10,668 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 317 interpolants. [2024-11-24 01:49:10,674 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17562, Invalid=82610, Unknown=0, NotChecked=0, Total=100172 [2024-11-24 01:49:10,675 INFO L87 Difference]: Start difference. First operand 1640 states and 1677 transitions. Second operand has 317 states, 316 states have (on average 2.7088607594936707) internal successors, (856), 317 states have internal predecessors, (856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:49:23,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:49:23,632 INFO L93 Difference]: Finished difference Result 4619 states and 4732 transitions. [2024-11-24 01:49:23,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 285 states. [2024-11-24 01:49:23,632 INFO L78 Accepts]: Start accepts. Automaton has has 317 states, 316 states have (on average 2.7088607594936707) internal successors, (856), 317 states have internal predecessors, (856), 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 286 [2024-11-24 01:49:23,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:49:23,640 INFO L225 Difference]: With dead ends: 4619 [2024-11-24 01:49:23,640 INFO L226 Difference]: Without dead ends: 4538 [2024-11-24 01:49:23,646 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 750 GetRequests, 361 SyntacticMatches, 0 SemanticMatches, 389 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74003 ImplicationChecksByTransitivity, 28.6s TimeCoverageRelationStatistics Valid=27191, Invalid=125299, Unknown=0, NotChecked=0, Total=152490 [2024-11-24 01:49:23,647 INFO L435 NwaCegarLoop]: 5 mSDtfsCounter, 1251 mSDsluCounter, 325 mSDsCounter, 0 mSdLazyCounter, 1763 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1251 SdHoareTripleChecker+Valid, 330 SdHoareTripleChecker+Invalid, 1773 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 1763 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-24 01:49:23,647 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1251 Valid, 330 Invalid, 1773 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 1763 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-24 01:49:23,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4538 states. [2024-11-24 01:49:24,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4538 to 1676. [2024-11-24 01:49:24,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1676 states, 1675 states have (on average 1.0250746268656716) internal successors, (1717), 1675 states have internal predecessors, (1717), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:49:24,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1676 states to 1676 states and 1717 transitions. [2024-11-24 01:49:24,551 INFO L78 Accepts]: Start accepts. Automaton has 1676 states and 1717 transitions. Word has length 286 [2024-11-24 01:49:24,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:49:24,552 INFO L471 AbstractCegarLoop]: Abstraction has 1676 states and 1717 transitions. [2024-11-24 01:49:24,552 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 317 states, 316 states have (on average 2.7088607594936707) internal successors, (856), 317 states have internal predecessors, (856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:49:24,552 INFO L276 IsEmpty]: Start isEmpty. Operand 1676 states and 1717 transitions. [2024-11-24 01:49:24,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2024-11-24 01:49:24,554 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:49:24,554 INFO L218 NwaCegarLoop]: trace histogram [38, 38, 38, 38, 19, 19, 19, 19, 18, 18, 18, 18, 18, 1, 1, 1, 1, 1] [2024-11-24 01:49:24,563 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Ended with exit code 0 [2024-11-24 01:49:24,755 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44,33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:49:24,755 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-24 01:49:24,755 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:49:24,756 INFO L85 PathProgramCache]: Analyzing trace with hash 1961027083, now seen corresponding path program 3 times [2024-11-24 01:49:24,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:49:24,756 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719316584] [2024-11-24 01:49:24,756 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-24 01:49:24,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:49:25,013 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 30 check-sat command(s) [2024-11-24 01:49:25,013 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-24 01:49:33,674 INFO L134 CoverageAnalysis]: Checked inductivity of 4640 backedges. 0 proven. 4640 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:49:33,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:49:33,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719316584] [2024-11-24 01:49:33,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1719316584] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:49:33,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [573820863] [2024-11-24 01:49:33,674 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-24 01:49:33,675 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:49:33,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:49:33,677 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:49:33,678 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2024-11-24 01:49:33,921 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 30 check-sat command(s) [2024-11-24 01:49:33,921 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-24 01:49:33,925 INFO L256 TraceCheckSpWp]: Trace formula consists of 545 conjuncts, 115 conjuncts are in the unsatisfiable core [2024-11-24 01:49:33,929 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:49:42,939 INFO L134 CoverageAnalysis]: Checked inductivity of 4640 backedges. 0 proven. 4640 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:49:42,939 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:49:57,232 INFO L134 CoverageAnalysis]: Checked inductivity of 4640 backedges. 0 proven. 4640 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:49:57,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [573820863] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 01:49:57,232 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 01:49:57,233 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [114, 114, 114] total 340 [2024-11-24 01:49:57,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669725523] [2024-11-24 01:49:57,233 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 01:49:57,234 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 341 states [2024-11-24 01:49:57,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:49:57,241 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 341 interpolants. [2024-11-24 01:49:57,249 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20634, Invalid=95306, Unknown=0, NotChecked=0, Total=115940 [2024-11-24 01:49:57,250 INFO L87 Difference]: Start difference. First operand 1676 states and 1717 transitions. Second operand has 341 states, 340 states have (on average 2.8441176470588236) internal successors, (967), 341 states have internal predecessors, (967), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:50:09,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:50:09,461 INFO L93 Difference]: Finished difference Result 3685 states and 3833 transitions. [2024-11-24 01:50:09,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 277 states. [2024-11-24 01:50:09,462 INFO L78 Accepts]: Start accepts. Automaton has has 341 states, 340 states have (on average 2.8441176470588236) internal successors, (967), 341 states have internal predecessors, (967), 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 323 [2024-11-24 01:50:09,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:50:09,468 INFO L225 Difference]: With dead ends: 3685 [2024-11-24 01:50:09,468 INFO L226 Difference]: Without dead ends: 3574 [2024-11-24 01:50:09,478 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 810 GetRequests, 419 SyntacticMatches, 0 SemanticMatches, 391 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78868 ImplicationChecksByTransitivity, 30.9s TimeCoverageRelationStatistics Valid=27248, Invalid=126808, Unknown=0, NotChecked=0, Total=154056 [2024-11-24 01:50:09,479 INFO L435 NwaCegarLoop]: 5 mSDtfsCounter, 974 mSDsluCounter, 297 mSDsCounter, 0 mSdLazyCounter, 1796 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 974 SdHoareTripleChecker+Valid, 302 SdHoareTripleChecker+Invalid, 1814 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 1796 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-24 01:50:09,479 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [974 Valid, 302 Invalid, 1814 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 1796 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-24 01:50:09,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3574 states. [2024-11-24 01:50:10,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3574 to 2006. [2024-11-24 01:50:10,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2006 states, 2005 states have (on average 1.0389027431421447) internal successors, (2083), 2005 states have internal predecessors, (2083), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:50:10,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2006 states to 2006 states and 2083 transitions. [2024-11-24 01:50:10,490 INFO L78 Accepts]: Start accepts. Automaton has 2006 states and 2083 transitions. Word has length 323 [2024-11-24 01:50:10,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:50:10,490 INFO L471 AbstractCegarLoop]: Abstraction has 2006 states and 2083 transitions. [2024-11-24 01:50:10,491 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 341 states, 340 states have (on average 2.8441176470588236) internal successors, (967), 341 states have internal predecessors, (967), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:50:10,491 INFO L276 IsEmpty]: Start isEmpty. Operand 2006 states and 2083 transitions. [2024-11-24 01:50:10,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 349 [2024-11-24 01:50:10,493 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:50:10,493 INFO L218 NwaCegarLoop]: trace histogram [43, 43, 43, 43, 33, 21, 21, 21, 21, 11, 11, 11, 10, 10, 1, 1, 1, 1, 1, 1] [2024-11-24 01:50:10,503 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Forceful destruction successful, exit code 0 [2024-11-24 01:50:10,693 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable45 [2024-11-24 01:50:10,693 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-24 01:50:10,694 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:50:10,694 INFO L85 PathProgramCache]: Analyzing trace with hash 670230618, now seen corresponding path program 13 times [2024-11-24 01:50:10,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:50:10,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1889967849] [2024-11-24 01:50:10,694 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-24 01:50:10,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:50:10,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:50:20,818 INFO L134 CoverageAnalysis]: Checked inductivity of 5739 backedges. 0 proven. 5739 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:50:20,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:50:20,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1889967849] [2024-11-24 01:50:20,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1889967849] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:50:20,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [269048993] [2024-11-24 01:50:20,818 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-24 01:50:20,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:50:20,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:50:20,821 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:50:20,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2024-11-24 01:50:21,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:50:21,011 INFO L256 TraceCheckSpWp]: Trace formula consists of 577 conjuncts, 131 conjuncts are in the unsatisfiable core [2024-11-24 01:50:21,018 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:50:32,125 INFO L134 CoverageAnalysis]: Checked inductivity of 5739 backedges. 0 proven. 5739 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:50:32,125 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:50:49,249 INFO L134 CoverageAnalysis]: Checked inductivity of 5739 backedges. 0 proven. 5739 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:50:49,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [269048993] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 01:50:49,249 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 01:50:49,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [130, 130, 130] total 388 [2024-11-24 01:50:49,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817778824] [2024-11-24 01:50:49,250 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 01:50:49,251 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 389 states [2024-11-24 01:50:49,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:50:49,256 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 389 interpolants. [2024-11-24 01:50:49,264 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26706, Invalid=124226, Unknown=0, NotChecked=0, Total=150932 [2024-11-24 01:50:49,265 INFO L87 Difference]: Start difference. First operand 2006 states and 2083 transitions. Second operand has 389 states, 388 states have (on average 2.685567010309278) internal successors, (1042), 389 states have internal predecessors, (1042), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:51:08,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:51:08,901 INFO L93 Difference]: Finished difference Result 5372 states and 5537 transitions. [2024-11-24 01:51:08,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 354 states. [2024-11-24 01:51:08,902 INFO L78 Accepts]: Start accepts. Automaton has has 389 states, 388 states have (on average 2.685567010309278) internal successors, (1042), 389 states have internal predecessors, (1042), 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 348 [2024-11-24 01:51:08,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:51:08,914 INFO L225 Difference]: With dead ends: 5372 [2024-11-24 01:51:08,914 INFO L226 Difference]: Without dead ends: 5279 [2024-11-24 01:51:08,929 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 919 GetRequests, 437 SyntacticMatches, 0 SemanticMatches, 482 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113167 ImplicationChecksByTransitivity, 41.1s TimeCoverageRelationStatistics Valid=42137, Invalid=191635, Unknown=0, NotChecked=0, Total=233772 [2024-11-24 01:51:08,930 INFO L435 NwaCegarLoop]: 5 mSDtfsCounter, 1742 mSDsluCounter, 413 mSDsCounter, 0 mSdLazyCounter, 2132 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1742 SdHoareTripleChecker+Valid, 418 SdHoareTripleChecker+Invalid, 2143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 2132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:51:08,930 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1742 Valid, 418 Invalid, 2143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 2132 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-24 01:51:08,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5279 states. [2024-11-24 01:51:10,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5279 to 2006. [2024-11-24 01:51:10,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2006 states, 2005 states have (on average 1.0389027431421447) internal successors, (2083), 2005 states have internal predecessors, (2083), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:51:10,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2006 states to 2006 states and 2083 transitions. [2024-11-24 01:51:10,108 INFO L78 Accepts]: Start accepts. Automaton has 2006 states and 2083 transitions. Word has length 348 [2024-11-24 01:51:10,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:51:10,109 INFO L471 AbstractCegarLoop]: Abstraction has 2006 states and 2083 transitions. [2024-11-24 01:51:10,109 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 389 states, 388 states have (on average 2.685567010309278) internal successors, (1042), 389 states have internal predecessors, (1042), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:51:10,109 INFO L276 IsEmpty]: Start isEmpty. Operand 2006 states and 2083 transitions. [2024-11-24 01:51:10,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 416 [2024-11-24 01:51:10,114 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:51:10,114 INFO L218 NwaCegarLoop]: trace histogram [54, 54, 54, 54, 43, 23, 23, 23, 23, 12, 12, 12, 11, 11, 1, 1, 1, 1, 1, 1] [2024-11-24 01:51:10,124 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Ended with exit code 0 [2024-11-24 01:51:10,314 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46 [2024-11-24 01:51:10,315 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-24 01:51:10,315 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:51:10,315 INFO L85 PathProgramCache]: Analyzing trace with hash 1290951878, now seen corresponding path program 14 times [2024-11-24 01:51:10,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:51:10,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1713168777] [2024-11-24 01:51:10,315 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-24 01:51:10,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:51:10,433 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-24 01:51:10,433 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-24 01:51:25,079 INFO L134 CoverageAnalysis]: Checked inductivity of 8629 backedges. 0 proven. 8629 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:51:25,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:51:25,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1713168777] [2024-11-24 01:51:25,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1713168777] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:51:25,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [832159844] [2024-11-24 01:51:25,080 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-24 01:51:25,080 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:51:25,080 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:51:25,081 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:51:25,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2024-11-24 01:51:25,284 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-24 01:51:25,284 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-24 01:51:25,292 INFO L256 TraceCheckSpWp]: Trace formula consists of 685 conjuncts, 157 conjuncts are in the unsatisfiable core [2024-11-24 01:51:25,300 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:51:39,337 INFO L134 CoverageAnalysis]: Checked inductivity of 8629 backedges. 0 proven. 8629 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:51:39,338 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:52:03,874 INFO L134 CoverageAnalysis]: Checked inductivity of 8629 backedges. 0 proven. 8629 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:52:03,874 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [832159844] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 01:52:03,874 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 01:52:03,874 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [156, 156, 156] total 466 [2024-11-24 01:52:03,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [513776785] [2024-11-24 01:52:03,874 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 01:52:03,875 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 467 states [2024-11-24 01:52:03,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:52:03,882 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 467 interpolants. [2024-11-24 01:52:03,893 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=38892, Invalid=178730, Unknown=0, NotChecked=0, Total=217622 [2024-11-24 01:52:03,894 INFO L87 Difference]: Start difference. First operand 2006 states and 2083 transitions. Second operand has 467 states, 466 states have (on average 2.667381974248927) internal successors, (1243), 467 states have internal predecessors, (1243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:52:37,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:52:37,300 INFO L93 Difference]: Finished difference Result 6353 states and 6540 transitions. [2024-11-24 01:52:37,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 429 states. [2024-11-24 01:52:37,301 INFO L78 Accepts]: Start accepts. Automaton has has 467 states, 466 states have (on average 2.667381974248927) internal successors, (1243), 467 states have internal predecessors, (1243), 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 415 [2024-11-24 01:52:37,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:52:37,311 INFO L225 Difference]: With dead ends: 6353 [2024-11-24 01:52:37,311 INFO L226 Difference]: Without dead ends: 6238 [2024-11-24 01:52:37,330 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1102 GetRequests, 519 SyntacticMatches, 0 SemanticMatches, 583 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 164948 ImplicationChecksByTransitivity, 57.9s TimeCoverageRelationStatistics Valid=62233, Invalid=279407, Unknown=0, NotChecked=0, Total=341640 [2024-11-24 01:52:37,330 INFO L435 NwaCegarLoop]: 5 mSDtfsCounter, 2595 mSDsluCounter, 497 mSDsCounter, 0 mSdLazyCounter, 2583 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2595 SdHoareTripleChecker+Valid, 502 SdHoareTripleChecker+Invalid, 2595 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 2583 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-11-24 01:52:37,331 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2595 Valid, 502 Invalid, 2595 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 2583 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-11-24 01:52:37,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6238 states. [2024-11-24 01:52:39,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6238 to 2110. [2024-11-24 01:52:39,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2110 states, 2109 states have (on average 1.0369843527738265) internal successors, (2187), 2109 states have internal predecessors, (2187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:52:39,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2110 states to 2110 states and 2187 transitions. [2024-11-24 01:52:39,040 INFO L78 Accepts]: Start accepts. Automaton has 2110 states and 2187 transitions. Word has length 415 [2024-11-24 01:52:39,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:52:39,041 INFO L471 AbstractCegarLoop]: Abstraction has 2110 states and 2187 transitions. [2024-11-24 01:52:39,041 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 467 states, 466 states have (on average 2.667381974248927) internal successors, (1243), 467 states have internal predecessors, (1243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:52:39,041 INFO L276 IsEmpty]: Start isEmpty. Operand 2110 states and 2187 transitions. [2024-11-24 01:52:39,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 475 [2024-11-24 01:52:39,117 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:52:39,117 INFO L218 NwaCegarLoop]: trace histogram [47, 47, 47, 47, 37, 37, 37, 37, 24, 24, 24, 23, 23, 14, 1, 1, 1, 1, 1, 1] [2024-11-24 01:52:39,129 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Ended with exit code 0 [2024-11-24 01:52:39,321 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable47 [2024-11-24 01:52:39,322 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-24 01:52:39,323 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:52:39,323 INFO L85 PathProgramCache]: Analyzing trace with hash 235598426, now seen corresponding path program 15 times [2024-11-24 01:52:39,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:52:39,323 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806992009] [2024-11-24 01:52:39,323 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-24 01:52:39,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:52:39,909 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 35 check-sat command(s) [2024-11-24 01:52:39,909 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-24 01:53:01,915 INFO L134 CoverageAnalysis]: Checked inductivity of 9371 backedges. 0 proven. 9371 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:53:01,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:53:01,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1806992009] [2024-11-24 01:53:01,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1806992009] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:53:01,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1711853166] [2024-11-24 01:53:01,916 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-24 01:53:01,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:53:01,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:53:01,918 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:53:01,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2024-11-24 01:53:02,194 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 35 check-sat command(s) [2024-11-24 01:53:02,195 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-24 01:53:02,200 INFO L256 TraceCheckSpWp]: Trace formula consists of 789 conjuncts, 171 conjuncts are in the unsatisfiable core [2024-11-24 01:53:02,205 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:53:20,066 INFO L134 CoverageAnalysis]: Checked inductivity of 9371 backedges. 0 proven. 9371 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:53:20,067 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:53:49,479 INFO L134 CoverageAnalysis]: Checked inductivity of 9371 backedges. 0 proven. 9371 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:53:49,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1711853166] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 01:53:49,479 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 01:53:49,480 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [170, 170, 170] total 508 [2024-11-24 01:53:49,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328073674] [2024-11-24 01:53:49,480 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 01:53:49,481 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 509 states [2024-11-24 01:53:49,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:53:49,488 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 509 interpolants. [2024-11-24 01:53:49,498 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=44058, Invalid=214514, Unknown=0, NotChecked=0, Total=258572 [2024-11-24 01:53:49,499 INFO L87 Difference]: Start difference. First operand 2110 states and 2187 transitions. Second operand has 509 states, 508 states have (on average 2.795275590551181) internal successors, (1420), 509 states have internal predecessors, (1420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:54:23,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:54:23,142 INFO L93 Difference]: Finished difference Result 4437 states and 4629 transitions. [2024-11-24 01:54:23,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 435 states. [2024-11-24 01:54:23,143 INFO L78 Accepts]: Start accepts. Automaton has has 509 states, 508 states have (on average 2.795275590551181) internal successors, (1420), 509 states have internal predecessors, (1420), 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 474 [2024-11-24 01:54:23,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:54:23,146 INFO L225 Difference]: With dead ends: 4437 [2024-11-24 01:54:23,146 INFO L226 Difference]: Without dead ends: 4318 [2024-11-24 01:54:23,160 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1212 GetRequests, 609 SyntacticMatches, 0 SemanticMatches, 603 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 185206 ImplicationChecksByTransitivity, 66.4s TimeCoverageRelationStatistics Valid=62567, Invalid=302853, Unknown=0, NotChecked=0, Total=365420 [2024-11-24 01:54:23,160 INFO L435 NwaCegarLoop]: 5 mSDtfsCounter, 1561 mSDsluCounter, 437 mSDsCounter, 0 mSdLazyCounter, 2575 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1561 SdHoareTripleChecker+Valid, 442 SdHoareTripleChecker+Invalid, 2599 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 2575 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-11-24 01:54:23,160 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1561 Valid, 442 Invalid, 2599 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 2575 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-11-24 01:54:23,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4318 states. [2024-11-24 01:54:24,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4318 to 2284. [2024-11-24 01:54:24,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2284 states, 2283 states have (on average 1.0429259745948314) internal successors, (2381), 2283 states have internal predecessors, (2381), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:54:24,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2284 states to 2284 states and 2381 transitions. [2024-11-24 01:54:24,778 INFO L78 Accepts]: Start accepts. Automaton has 2284 states and 2381 transitions. Word has length 474 [2024-11-24 01:54:24,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:54:24,778 INFO L471 AbstractCegarLoop]: Abstraction has 2284 states and 2381 transitions. [2024-11-24 01:54:24,779 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 509 states, 508 states have (on average 2.795275590551181) internal successors, (1420), 509 states have internal predecessors, (1420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:54:24,779 INFO L276 IsEmpty]: Start isEmpty. Operand 2284 states and 2381 transitions. [2024-11-24 01:54:24,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 538 [2024-11-24 01:54:24,785 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:54:24,785 INFO L218 NwaCegarLoop]: trace histogram [76, 76, 76, 76, 64, 25, 25, 25, 25, 13, 13, 13, 12, 12, 1, 1, 1, 1, 1, 1] [2024-11-24 01:54:24,798 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Ended with exit code 0 [2024-11-24 01:54:24,985 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2024-11-24 01:54:24,986 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-24 01:54:24,986 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:54:24,986 INFO L85 PathProgramCache]: Analyzing trace with hash -1405588282, now seen corresponding path program 16 times [2024-11-24 01:54:24,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:54:24,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [947423753] [2024-11-24 01:54:24,987 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-24 01:54:24,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:54:25,211 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-24 01:54:25,212 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-24 01:54:51,030 INFO L134 CoverageAnalysis]: Checked inductivity of 16007 backedges. 0 proven. 16007 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:54:51,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:54:51,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [947423753] [2024-11-24 01:54:51,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [947423753] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:54:51,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [760339623] [2024-11-24 01:54:51,031 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-24 01:54:51,031 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:54:51,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:54:51,033 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:54:51,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2024-11-24 01:54:51,306 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-24 01:54:51,307 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-24 01:54:51,329 INFO L256 TraceCheckSpWp]: Trace formula consists of 881 conjuncts, 205 conjuncts are in the unsatisfiable core [2024-11-24 01:54:51,340 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:55:17,617 INFO L134 CoverageAnalysis]: Checked inductivity of 16007 backedges. 0 proven. 16007 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:55:17,617 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:55:57,210 INFO L134 CoverageAnalysis]: Checked inductivity of 16007 backedges. 0 proven. 16007 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:55:57,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [760339623] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 01:55:57,210 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 01:55:57,211 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [204, 204, 204] total 610 [2024-11-24 01:55:57,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215246851] [2024-11-24 01:55:57,211 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 01:55:57,212 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 611 states [2024-11-24 01:55:57,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:55:57,223 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 611 interpolants. [2024-11-24 01:55:57,236 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=68236, Invalid=304474, Unknown=0, NotChecked=0, Total=372710 [2024-11-24 01:55:57,237 INFO L87 Difference]: Start difference. First operand 2284 states and 2381 transitions. Second operand has 611 states, 610 states have (on average 2.637704918032787) internal successors, (1609), 611 states have internal predecessors, (1609), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:57:08,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:57:08,712 INFO L93 Difference]: Finished difference Result 6844 states and 7095 transitions. [2024-11-24 01:57:08,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 570 states. [2024-11-24 01:57:08,713 INFO L78 Accepts]: Start accepts. Automaton has has 611 states, 610 states have (on average 2.637704918032787) internal successors, (1609), 611 states have internal predecessors, (1609), 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 537 [2024-11-24 01:57:08,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:57:08,720 INFO L225 Difference]: With dead ends: 6844 [2024-11-24 01:57:08,720 INFO L226 Difference]: Without dead ends: 6685 [2024-11-24 01:57:08,776 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1439 GetRequests, 667 SyntacticMatches, 0 SemanticMatches, 772 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 286719 ImplicationChecksByTransitivity, 100.7s TimeCoverageRelationStatistics Valid=111555, Invalid=486747, Unknown=0, NotChecked=0, Total=598302 [2024-11-24 01:57:08,777 INFO L435 NwaCegarLoop]: 5 mSDtfsCounter, 3698 mSDsluCounter, 614 mSDsCounter, 0 mSdLazyCounter, 3135 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3698 SdHoareTripleChecker+Valid, 619 SdHoareTripleChecker+Invalid, 3148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 3135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2024-11-24 01:57:08,777 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3698 Valid, 619 Invalid, 3148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 3135 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2024-11-24 01:57:08,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6685 states. [2024-11-24 01:57:11,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6685 to 2856. [2024-11-24 01:57:11,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2856 states, 2855 states have (on average 1.0343257443082312) internal successors, (2953), 2855 states have internal predecessors, (2953), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:57:11,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2856 states to 2856 states and 2953 transitions. [2024-11-24 01:57:11,028 INFO L78 Accepts]: Start accepts. Automaton has 2856 states and 2953 transitions. Word has length 537 [2024-11-24 01:57:11,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:57:11,029 INFO L471 AbstractCegarLoop]: Abstraction has 2856 states and 2953 transitions. [2024-11-24 01:57:11,029 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 611 states, 610 states have (on average 2.637704918032787) internal successors, (1609), 611 states have internal predecessors, (1609), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:57:11,029 INFO L276 IsEmpty]: Start isEmpty. Operand 2856 states and 2953 transitions. [2024-11-24 01:57:11,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 615 [2024-11-24 01:57:11,037 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:57:11,037 INFO L218 NwaCegarLoop]: trace histogram [89, 89, 89, 89, 76, 27, 27, 27, 27, 14, 14, 14, 13, 13, 1, 1, 1, 1, 1, 1] [2024-11-24 01:57:11,048 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Forceful destruction successful, exit code 0 [2024-11-24 01:57:11,241 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2024-11-24 01:57:11,241 INFO L396 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-24 01:57:11,242 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:57:11,242 INFO L85 PathProgramCache]: Analyzing trace with hash 1916277594, now seen corresponding path program 17 times [2024-11-24 01:57:11,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:57:11,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772035354] [2024-11-24 01:57:11,242 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-24 01:57:11,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:57:11,513 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 77 check-sat command(s) [2024-11-24 01:57:11,513 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-24 01:57:43,452 INFO L134 CoverageAnalysis]: Checked inductivity of 21633 backedges. 0 proven. 21633 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:57:43,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:57:43,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [772035354] [2024-11-24 01:57:43,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [772035354] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:57:43,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1057817165] [2024-11-24 01:57:43,452 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-24 01:57:43,452 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:57:43,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:57:43,454 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:57:43,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613de5b9-82e1-4116-9606-7e0e248e68fd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2024-11-24 01:57:43,931 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 77 check-sat command(s) [2024-11-24 01:57:43,931 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-24 01:57:43,944 INFO L256 TraceCheckSpWp]: Trace formula consists of 1005 conjuncts, 235 conjuncts are in the unsatisfiable core [2024-11-24 01:57:43,951 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:58:15,611 INFO L134 CoverageAnalysis]: Checked inductivity of 21633 backedges. 0 proven. 21633 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:58:15,611 INFO L312 TraceCheckSpWp]: Computing backward predicates...