./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 61a67961 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound50.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c64519b027f84aaa6a30cfc5331268c119119293d8d39650b6d0c4f1af71d8d4 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 21:01:45,672 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 21:01:45,748 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-14 21:01:45,753 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 21:01:45,753 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 21:01:45,791 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 21:01:45,791 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 21:01:45,791 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 21:01:45,792 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 21:01:45,794 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 21:01:45,794 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 21:01:45,795 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 21:01:45,795 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 21:01:45,799 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 21:01:45,799 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 21:01:45,799 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 21:01:45,799 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 21:01:45,799 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 21:01:45,800 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 21:01:45,800 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 21:01:45,800 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 21:01:45,800 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 21:01:45,801 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 21:01:45,801 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 21:01:45,801 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 21:01:45,801 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-14 21:01:45,801 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-14 21:01:45,802 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 21:01:45,802 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 21:01:45,802 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 21:01:45,802 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 21:01:45,803 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 21:01:45,803 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 21:01:45,803 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 21:01:45,803 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 21:01:45,804 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 21:01:45,804 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 21:01:45,806 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 21:01:45,806 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 21:01:45,806 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 21:01:45,806 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 21:01:45,807 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 21:01:45,807 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 21:01:45,807 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 21:01:45,808 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c64519b027f84aaa6a30cfc5331268c119119293d8d39650b6d0c4f1af71d8d4 [2024-10-14 21:01:46,044 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 21:01:46,069 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 21:01:46,071 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 21:01:46,072 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 21:01:46,073 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 21:01:46,074 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound50.c [2024-10-14 21:01:47,484 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 21:01:47,664 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 21:01:47,665 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound50.c [2024-10-14 21:01:47,672 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61af30f13/10ce245a82bd4ac4a75635ed0b7d6fde/FLAGc49170d30 [2024-10-14 21:01:48,067 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61af30f13/10ce245a82bd4ac4a75635ed0b7d6fde [2024-10-14 21:01:48,069 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 21:01:48,071 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 21:01:48,073 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 21:01:48,073 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 21:01:48,078 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 21:01:48,079 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 09:01:48" (1/1) ... [2024-10-14 21:01:48,079 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@689f3d3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:01:48, skipping insertion in model container [2024-10-14 21:01:48,080 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 09:01:48" (1/1) ... [2024-10-14 21:01:48,097 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 21:01:48,271 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 21:01:48,285 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 21:01:48,308 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 21:01:48,325 INFO L204 MainTranslator]: Completed translation [2024-10-14 21:01:48,325 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:01:48 WrapperNode [2024-10-14 21:01:48,326 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 21:01:48,327 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 21:01:48,327 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 21:01:48,327 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 21:01:48,333 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:01:48" (1/1) ... [2024-10-14 21:01:48,339 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:01:48" (1/1) ... [2024-10-14 21:01:48,356 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 65 [2024-10-14 21:01:48,357 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 21:01:48,358 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 21:01:48,358 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 21:01:48,358 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 21:01:48,368 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:01:48" (1/1) ... [2024-10-14 21:01:48,369 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:01:48" (1/1) ... [2024-10-14 21:01:48,372 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:01:48" (1/1) ... [2024-10-14 21:01:48,387 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-14 21:01:48,388 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:01:48" (1/1) ... [2024-10-14 21:01:48,388 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:01:48" (1/1) ... [2024-10-14 21:01:48,394 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:01:48" (1/1) ... [2024-10-14 21:01:48,404 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:01:48" (1/1) ... [2024-10-14 21:01:48,407 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:01:48" (1/1) ... [2024-10-14 21:01:48,411 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:01:48" (1/1) ... [2024-10-14 21:01:48,413 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 21:01:48,414 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 21:01:48,414 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 21:01:48,414 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 21:01:48,415 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:01:48" (1/1) ... [2024-10-14 21:01:48,420 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 21:01:48,430 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 21:01:48,446 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-14 21:01:48,453 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-14 21:01:48,495 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 21:01:48,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-14 21:01:48,495 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 21:01:48,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 21:01:48,496 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-14 21:01:48,496 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-14 21:01:48,558 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 21:01:48,560 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 21:01:48,830 INFO L? ?]: Removed 38 outVars from TransFormulas that were not future-live. [2024-10-14 21:01:48,830 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 21:01:48,865 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 21:01:48,866 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-14 21:01:48,867 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 09:01:48 BoogieIcfgContainer [2024-10-14 21:01:48,867 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 21:01:48,869 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 21:01:48,870 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 21:01:48,873 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 21:01:48,873 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 09:01:48" (1/3) ... [2024-10-14 21:01:48,875 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d18a9bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 09:01:48, skipping insertion in model container [2024-10-14 21:01:48,875 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:01:48" (2/3) ... [2024-10-14 21:01:48,875 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d18a9bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 09:01:48, skipping insertion in model container [2024-10-14 21:01:48,876 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 09:01:48" (3/3) ... [2024-10-14 21:01:48,877 INFO L112 eAbstractionObserver]: Analyzing ICFG ps2-ll_valuebound50.c [2024-10-14 21:01:48,893 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 21:01:48,894 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 22 error locations. [2024-10-14 21:01:48,960 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 21:01:48,967 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;@40830da, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 21:01:48,967 INFO L334 AbstractCegarLoop]: Starting to check reachability of 22 error locations. [2024-10-14 21:01:48,971 INFO L276 IsEmpty]: Start isEmpty. Operand has 57 states, 31 states have (on average 1.8709677419354838) internal successors, (58), 53 states have internal predecessors, (58), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-14 21:01:48,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-10-14 21:01:48,978 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:01:48,978 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-10-14 21:01:48,979 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-14 21:01:48,984 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:01:48,985 INFO L85 PathProgramCache]: Analyzing trace with hash 115598281, now seen corresponding path program 1 times [2024-10-14 21:01:48,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:01:48,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124902616] [2024-10-14 21:01:48,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:01:48,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:01:49,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:01:49,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 21:01:49,125 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:01:49,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [124902616] [2024-10-14 21:01:49,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [124902616] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 21:01:49,126 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 21:01:49,127 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 21:01:49,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750145612] [2024-10-14 21:01:49,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 21:01:49,132 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-14 21:01:49,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:01:49,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-14 21:01:49,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 21:01:49,152 INFO L87 Difference]: Start difference. First operand has 57 states, 31 states have (on average 1.8709677419354838) internal successors, (58), 53 states have internal predecessors, (58), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 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) [2024-10-14 21:01:49,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:01:49,188 INFO L93 Difference]: Finished difference Result 110 states and 123 transitions. [2024-10-14 21:01:49,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-14 21:01:49,190 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 [2024-10-14 21:01:49,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:01:49,197 INFO L225 Difference]: With dead ends: 110 [2024-10-14 21:01:49,197 INFO L226 Difference]: Without dead ends: 52 [2024-10-14 21:01:49,200 INFO L431 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 [2024-10-14 21:01:49,204 INFO L432 NwaCegarLoop]: 54 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 21:01:49,205 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 54 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 21:01:49,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2024-10-14 21:01:49,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2024-10-14 21:01:49,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 30 states have (on average 1.6666666666666667) internal successors, (50), 49 states have internal predecessors, (50), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-14 21:01:49,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 52 transitions. [2024-10-14 21:01:49,241 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 52 transitions. Word has length 5 [2024-10-14 21:01:49,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:01:49,242 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 52 transitions. [2024-10-14 21:01:49,242 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) [2024-10-14 21:01:49,242 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 52 transitions. [2024-10-14 21:01:49,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-10-14 21:01:49,242 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:01:49,243 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-10-14 21:01:49,243 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 21:01:49,243 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-14 21:01:49,244 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:01:49,244 INFO L85 PathProgramCache]: Analyzing trace with hash -709572716, now seen corresponding path program 1 times [2024-10-14 21:01:49,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:01:49,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082944489] [2024-10-14 21:01:49,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:01:49,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:01:49,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 21:01:49,280 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1624185888] [2024-10-14 21:01:49,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:01:49,281 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:01:49,281 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 21:01:49,283 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 21:01:49,285 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-14 21:01:49,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:01:49,340 INFO L255 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-14 21:01:49,344 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 21:01:49,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 21:01:49,369 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 21:01:49,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:01:49,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1082944489] [2024-10-14 21:01:49,371 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 21:01:49,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1624185888] [2024-10-14 21:01:49,372 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1624185888] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 21:01:49,372 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 21:01:49,372 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 21:01:49,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868765513] [2024-10-14 21:01:49,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 21:01:49,375 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 21:01:49,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:01:49,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 21:01:49,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 21:01:49,377 INFO L87 Difference]: Start difference. First operand 52 states and 52 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 21:01:49,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:01:49,469 INFO L93 Difference]: Finished difference Result 85 states and 94 transitions. [2024-10-14 21:01:49,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 21:01:49,469 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-10-14 21:01:49,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:01:49,471 INFO L225 Difference]: With dead ends: 85 [2024-10-14 21:01:49,472 INFO L226 Difference]: Without dead ends: 81 [2024-10-14 21:01:49,472 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 21:01:49,474 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 25 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 21:01:49,475 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 51 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 21:01:49,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2024-10-14 21:01:49,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 69. [2024-10-14 21:01:49,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 46 states have (on average 1.6304347826086956) internal successors, (75), 65 states have internal predecessors, (75), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-14 21:01:49,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 79 transitions. [2024-10-14 21:01:49,489 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 79 transitions. Word has length 6 [2024-10-14 21:01:49,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:01:49,490 INFO L471 AbstractCegarLoop]: Abstraction has 69 states and 79 transitions. [2024-10-14 21:01:49,490 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 21:01:49,490 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 79 transitions. [2024-10-14 21:01:49,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-10-14 21:01:49,491 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:01:49,491 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-10-14 21:01:49,542 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-14 21:01:49,695 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:01:49,696 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-14 21:01:49,696 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:01:49,697 INFO L85 PathProgramCache]: Analyzing trace with hash -521917662, now seen corresponding path program 1 times [2024-10-14 21:01:49,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:01:49,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439376894] [2024-10-14 21:01:49,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:01:49,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:01:49,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:01:49,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 21:01:49,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:01:49,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [439376894] [2024-10-14 21:01:49,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [439376894] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 21:01:49,771 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 21:01:49,771 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 21:01:49,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909689709] [2024-10-14 21:01:49,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 21:01:49,771 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 21:01:49,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:01:49,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 21:01:49,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 21:01:49,772 INFO L87 Difference]: Start difference. First operand 69 states and 79 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 21:01:49,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:01:49,882 INFO L93 Difference]: Finished difference Result 87 states and 94 transitions. [2024-10-14 21:01:49,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 21:01:49,884 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-10-14 21:01:49,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:01:49,885 INFO L225 Difference]: With dead ends: 87 [2024-10-14 21:01:49,885 INFO L226 Difference]: Without dead ends: 79 [2024-10-14 21:01:49,885 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 21:01:49,886 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 22 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 21:01:49,887 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 55 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 21:01:49,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2024-10-14 21:01:49,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 74. [2024-10-14 21:01:49,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 51 states have (on average 1.5098039215686274) internal successors, (77), 70 states have internal predecessors, (77), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-14 21:01:49,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 81 transitions. [2024-10-14 21:01:49,904 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 81 transitions. Word has length 7 [2024-10-14 21:01:49,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:01:49,904 INFO L471 AbstractCegarLoop]: Abstraction has 74 states and 81 transitions. [2024-10-14 21:01:49,904 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 21:01:49,904 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 81 transitions. [2024-10-14 21:01:49,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-10-14 21:01:49,905 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:01:49,905 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 21:01:49,905 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-14 21:01:49,905 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-14 21:01:49,906 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:01:49,906 INFO L85 PathProgramCache]: Analyzing trace with hash -667401448, now seen corresponding path program 1 times [2024-10-14 21:01:49,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:01:49,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1474436828] [2024-10-14 21:01:49,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:01:49,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:01:49,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:01:50,018 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 21:01:50,018 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:01:50,018 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1474436828] [2024-10-14 21:01:50,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1474436828] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 21:01:50,020 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 21:01:50,020 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 21:01:50,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103428252] [2024-10-14 21:01:50,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 21:01:50,021 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 21:01:50,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:01:50,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 21:01:50,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 21:01:50,022 INFO L87 Difference]: Start difference. First operand 74 states and 81 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 21:01:50,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:01:50,145 INFO L93 Difference]: Finished difference Result 83 states and 86 transitions. [2024-10-14 21:01:50,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 21:01:50,145 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2024-10-14 21:01:50,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:01:50,146 INFO L225 Difference]: With dead ends: 83 [2024-10-14 21:01:50,146 INFO L226 Difference]: Without dead ends: 71 [2024-10-14 21:01:50,147 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 21:01:50,148 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 21 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 21:01:50,150 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 66 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 21:01:50,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2024-10-14 21:01:50,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 67. [2024-10-14 21:01:50,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 44 states have (on average 1.5) internal successors, (66), 63 states have internal predecessors, (66), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-14 21:01:50,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 70 transitions. [2024-10-14 21:01:50,163 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 70 transitions. Word has length 10 [2024-10-14 21:01:50,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:01:50,163 INFO L471 AbstractCegarLoop]: Abstraction has 67 states and 70 transitions. [2024-10-14 21:01:50,163 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 21:01:50,164 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 70 transitions. [2024-10-14 21:01:50,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-10-14 21:01:50,164 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:01:50,164 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 21:01:50,166 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-14 21:01:50,166 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-14 21:01:50,167 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:01:50,167 INFO L85 PathProgramCache]: Analyzing trace with hash 995753226, now seen corresponding path program 1 times [2024-10-14 21:01:50,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:01:50,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050415645] [2024-10-14 21:01:50,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:01:50,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:01:50,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:01:50,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 21:01:50,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:01:50,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 21:01:50,237 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:01:50,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1050415645] [2024-10-14 21:01:50,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1050415645] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 21:01:50,237 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 21:01:50,237 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 21:01:50,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756545481] [2024-10-14 21:01:50,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 21:01:50,238 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 21:01:50,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:01:50,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 21:01:50,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 21:01:50,243 INFO L87 Difference]: Start difference. First operand 67 states and 70 transitions. Second operand has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-14 21:01:50,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:01:50,269 INFO L93 Difference]: Finished difference Result 69 states and 70 transitions. [2024-10-14 21:01:50,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 21:01:50,271 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 19 [2024-10-14 21:01:50,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:01:50,272 INFO L225 Difference]: With dead ends: 69 [2024-10-14 21:01:50,273 INFO L226 Difference]: Without dead ends: 67 [2024-10-14 21:01:50,273 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 21:01:50,274 INFO L432 NwaCegarLoop]: 48 mSDtfsCounter, 1 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 21:01:50,274 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 92 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 21:01:50,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2024-10-14 21:01:50,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2024-10-14 21:01:50,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 44 states have (on average 1.4545454545454546) internal successors, (64), 63 states have internal predecessors, (64), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-14 21:01:50,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 68 transitions. [2024-10-14 21:01:50,285 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 68 transitions. Word has length 19 [2024-10-14 21:01:50,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:01:50,286 INFO L471 AbstractCegarLoop]: Abstraction has 67 states and 68 transitions. [2024-10-14 21:01:50,286 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-14 21:01:50,287 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 68 transitions. [2024-10-14 21:01:50,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-10-14 21:01:50,287 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:01:50,287 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 21:01:50,287 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-14 21:01:50,288 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-14 21:01:50,288 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:01:50,289 INFO L85 PathProgramCache]: Analyzing trace with hash -725405042, now seen corresponding path program 1 times [2024-10-14 21:01:50,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:01:50,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166799609] [2024-10-14 21:01:50,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:01:50,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:01:50,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:01:50,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 21:01:50,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:01:50,435 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 21:01:50,436 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:01:50,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166799609] [2024-10-14 21:01:50,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [166799609] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 21:01:50,436 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 21:01:50,436 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 21:01:50,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44815060] [2024-10-14 21:01:50,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 21:01:50,437 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 21:01:50,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:01:50,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 21:01:50,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 21:01:50,438 INFO L87 Difference]: Start difference. First operand 67 states and 68 transitions. Second operand has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-14 21:01:50,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:01:50,518 INFO L93 Difference]: Finished difference Result 70 states and 72 transitions. [2024-10-14 21:01:50,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 21:01:50,518 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 23 [2024-10-14 21:01:50,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:01:50,519 INFO L225 Difference]: With dead ends: 70 [2024-10-14 21:01:50,519 INFO L226 Difference]: Without dead ends: 69 [2024-10-14 21:01:50,520 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 21:01:50,520 INFO L432 NwaCegarLoop]: 38 mSDtfsCounter, 1 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 21:01:50,521 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 63 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 21:01:50,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2024-10-14 21:01:50,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 68. [2024-10-14 21:01:50,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 45 states have (on average 1.4444444444444444) internal successors, (65), 64 states have internal predecessors, (65), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-14 21:01:50,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 69 transitions. [2024-10-14 21:01:50,526 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 69 transitions. Word has length 23 [2024-10-14 21:01:50,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:01:50,526 INFO L471 AbstractCegarLoop]: Abstraction has 68 states and 69 transitions. [2024-10-14 21:01:50,527 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-14 21:01:50,527 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 69 transitions. [2024-10-14 21:01:50,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-10-14 21:01:50,527 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:01:50,527 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 21:01:50,527 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-14 21:01:50,528 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-14 21:01:50,528 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:01:50,528 INFO L85 PathProgramCache]: Analyzing trace with hash -1012719740, now seen corresponding path program 1 times [2024-10-14 21:01:50,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:01:50,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [543776644] [2024-10-14 21:01:50,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:01:50,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:01:50,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:01:50,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 21:01:50,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:01:50,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 21:01:50,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:01:50,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [543776644] [2024-10-14 21:01:50,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [543776644] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 21:01:50,610 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 21:01:50,610 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 21:01:50,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024708944] [2024-10-14 21:01:50,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 21:01:50,611 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 21:01:50,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:01:50,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 21:01:50,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 21:01:50,612 INFO L87 Difference]: Start difference. First operand 68 states and 69 transitions. Second operand has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-14 21:01:50,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:01:50,698 INFO L93 Difference]: Finished difference Result 70 states and 71 transitions. [2024-10-14 21:01:50,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 21:01:50,699 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 24 [2024-10-14 21:01:50,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:01:50,699 INFO L225 Difference]: With dead ends: 70 [2024-10-14 21:01:50,699 INFO L226 Difference]: Without dead ends: 69 [2024-10-14 21:01:50,700 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 21:01:50,700 INFO L432 NwaCegarLoop]: 39 mSDtfsCounter, 0 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 21:01:50,701 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 65 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 21:01:50,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2024-10-14 21:01:50,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2024-10-14 21:01:50,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 46 states have (on average 1.434782608695652) internal successors, (66), 65 states have internal predecessors, (66), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-14 21:01:50,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 70 transitions. [2024-10-14 21:01:50,707 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 70 transitions. Word has length 24 [2024-10-14 21:01:50,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:01:50,707 INFO L471 AbstractCegarLoop]: Abstraction has 69 states and 70 transitions. [2024-10-14 21:01:50,708 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-14 21:01:50,708 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 70 transitions. [2024-10-14 21:01:50,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-10-14 21:01:50,708 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:01:50,708 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 21:01:50,708 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-14 21:01:50,709 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-14 21:01:50,709 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:01:50,709 INFO L85 PathProgramCache]: Analyzing trace with hash -2083439506, now seen corresponding path program 1 times [2024-10-14 21:01:50,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:01:50,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [161250311] [2024-10-14 21:01:50,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:01:50,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:01:50,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 21:01:50,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [45535103] [2024-10-14 21:01:50,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:01:50,725 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:01:50,725 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 21:01:50,727 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 21:01:50,728 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-14 21:01:50,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:01:50,769 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-14 21:01:50,770 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 21:01:50,835 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 21:01:50,835 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 21:01:50,936 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 21:01:50,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:01:50,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [161250311] [2024-10-14 21:01:50,938 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 21:01:50,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [45535103] [2024-10-14 21:01:50,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [45535103] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 21:01:50,949 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-14 21:01:50,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2024-10-14 21:01:50,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573109479] [2024-10-14 21:01:50,950 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-14 21:01:50,950 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 21:01:50,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:01:50,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 21:01:50,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-14 21:01:50,951 INFO L87 Difference]: Start difference. First operand 69 states and 70 transitions. Second operand has 6 states, 5 states have (on average 9.0) internal successors, (45), 6 states have internal predecessors, (45), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-14 21:01:51,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:01:51,107 INFO L93 Difference]: Finished difference Result 135 states and 166 transitions. [2024-10-14 21:01:51,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 21:01:51,107 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.0) internal successors, (45), 6 states have internal predecessors, (45), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 27 [2024-10-14 21:01:51,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:01:51,108 INFO L225 Difference]: With dead ends: 135 [2024-10-14 21:01:51,108 INFO L226 Difference]: Without dead ends: 131 [2024-10-14 21:01:51,109 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2024-10-14 21:01:51,110 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 105 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 21:01:51,110 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 89 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 21:01:51,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2024-10-14 21:01:51,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 103. [2024-10-14 21:01:51,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 81 states have (on average 1.4814814814814814) internal successors, (120), 97 states have internal predecessors, (120), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-14 21:01:51,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 128 transitions. [2024-10-14 21:01:51,119 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 128 transitions. Word has length 27 [2024-10-14 21:01:51,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:01:51,119 INFO L471 AbstractCegarLoop]: Abstraction has 103 states and 128 transitions. [2024-10-14 21:01:51,119 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.0) internal successors, (45), 6 states have internal predecessors, (45), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-14 21:01:51,119 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 128 transitions. [2024-10-14 21:01:51,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-10-14 21:01:51,120 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:01:51,120 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 21:01:51,136 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-14 21:01:51,321 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-10-14 21:01:51,321 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-14 21:01:51,322 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:01:51,322 INFO L85 PathProgramCache]: Analyzing trace with hash -162115192, now seen corresponding path program 1 times [2024-10-14 21:01:51,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:01:51,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506696612] [2024-10-14 21:01:51,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:01:51,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:01:51,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:01:51,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 21:01:51,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:01:51,407 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 21:01:51,408 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:01:51,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506696612] [2024-10-14 21:01:51,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1506696612] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 21:01:51,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [707163186] [2024-10-14 21:01:51,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:01:51,410 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:01:51,410 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 21:01:51,411 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 21:01:51,412 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-14 21:01:51,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:01:51,455 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-14 21:01:51,456 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 21:01:51,608 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 21:01:51,609 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 21:01:51,691 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 21:01:51,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [707163186] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 21:01:51,692 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 21:01:51,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2024-10-14 21:01:51,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276570275] [2024-10-14 21:01:51,694 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 21:01:51,694 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-14 21:01:51,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:01:51,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-14 21:01:51,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2024-10-14 21:01:51,696 INFO L87 Difference]: Start difference. First operand 103 states and 128 transitions. Second operand has 10 states, 9 states have (on average 7.111111111111111) internal successors, (64), 10 states have internal predecessors, (64), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-14 21:01:51,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:01:51,843 INFO L93 Difference]: Finished difference Result 103 states and 128 transitions. [2024-10-14 21:01:51,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 21:01:51,844 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.111111111111111) internal successors, (64), 10 states have internal predecessors, (64), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 28 [2024-10-14 21:01:51,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:01:51,844 INFO L225 Difference]: With dead ends: 103 [2024-10-14 21:01:51,844 INFO L226 Difference]: Without dead ends: 100 [2024-10-14 21:01:51,845 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2024-10-14 21:01:51,845 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 47 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 176 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 176 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 21:01:51,846 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 72 Invalid, 182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 176 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 21:01:51,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2024-10-14 21:01:51,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2024-10-14 21:01:51,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 81 states have (on average 1.3950617283950617) internal successors, (113), 94 states have internal predecessors, (113), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-14 21:01:51,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 121 transitions. [2024-10-14 21:01:51,861 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 121 transitions. Word has length 28 [2024-10-14 21:01:51,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:01:51,861 INFO L471 AbstractCegarLoop]: Abstraction has 100 states and 121 transitions. [2024-10-14 21:01:51,862 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.111111111111111) internal successors, (64), 10 states have internal predecessors, (64), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-14 21:01:51,862 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 121 transitions. [2024-10-14 21:01:51,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-10-14 21:01:51,863 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:01:51,863 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 21:01:51,881 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-10-14 21:01:52,063 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:01:52,064 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-14 21:01:52,064 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:01:52,065 INFO L85 PathProgramCache]: Analyzing trace with hash -730603600, now seen corresponding path program 1 times [2024-10-14 21:01:52,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:01:52,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [647295224] [2024-10-14 21:01:52,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:01:52,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:01:52,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:01:52,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 21:01:52,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:01:52,143 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 21:01:52,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:01:52,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [647295224] [2024-10-14 21:01:52,144 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [647295224] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 21:01:52,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [64546095] [2024-10-14 21:01:52,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:01:52,144 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:01:52,144 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 21:01:52,146 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 21:01:52,147 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-14 21:01:52,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:01:52,187 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-14 21:01:52,188 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 21:01:52,272 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 21:01:52,272 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 21:01:52,332 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 21:01:52,333 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [64546095] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 21:01:52,333 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 21:01:52,333 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2024-10-14 21:01:52,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17323976] [2024-10-14 21:01:52,333 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 21:01:52,333 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-14 21:01:52,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:01:52,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-14 21:01:52,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=50, Unknown=0, NotChecked=0, Total=90 [2024-10-14 21:01:52,335 INFO L87 Difference]: Start difference. First operand 100 states and 121 transitions. Second operand has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-14 21:01:52,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:01:52,486 INFO L93 Difference]: Finished difference Result 112 states and 133 transitions. [2024-10-14 21:01:52,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-14 21:01:52,487 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 29 [2024-10-14 21:01:52,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:01:52,488 INFO L225 Difference]: With dead ends: 112 [2024-10-14 21:01:52,488 INFO L226 Difference]: Without dead ends: 105 [2024-10-14 21:01:52,488 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=72, Unknown=0, NotChecked=0, Total=132 [2024-10-14 21:01:52,489 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 52 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 21:01:52,489 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 94 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 21:01:52,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2024-10-14 21:01:52,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 95. [2024-10-14 21:01:52,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 81 states have (on average 1.2469135802469136) internal successors, (101), 89 states have internal predecessors, (101), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-14 21:01:52,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 109 transitions. [2024-10-14 21:01:52,500 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 109 transitions. Word has length 29 [2024-10-14 21:01:52,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:01:52,501 INFO L471 AbstractCegarLoop]: Abstraction has 95 states and 109 transitions. [2024-10-14 21:01:52,501 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-14 21:01:52,502 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 109 transitions. [2024-10-14 21:01:52,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-10-14 21:01:52,504 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:01:52,504 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 21:01:52,518 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-14 21:01:52,705 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:01:52,705 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-14 21:01:52,705 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:01:52,706 INFO L85 PathProgramCache]: Analyzing trace with hash -2030388494, now seen corresponding path program 1 times [2024-10-14 21:01:52,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:01:52,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542866689] [2024-10-14 21:01:52,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:01:52,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:01:52,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:01:52,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 21:01:52,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:01:52,803 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 21:01:52,803 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:01:52,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1542866689] [2024-10-14 21:01:52,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1542866689] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 21:01:52,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [512923529] [2024-10-14 21:01:52,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:01:52,804 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:01:52,804 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 21:01:52,806 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 21:01:52,807 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-14 21:01:52,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:01:52,863 INFO L255 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-14 21:01:52,865 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 21:01:53,011 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 21:01:53,011 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 21:01:53,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [512923529] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 21:01:53,011 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 21:01:53,011 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 9 [2024-10-14 21:01:53,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622062112] [2024-10-14 21:01:53,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 21:01:53,012 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 21:01:53,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:01:53,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 21:01:53,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-10-14 21:01:53,013 INFO L87 Difference]: Start difference. First operand 95 states and 109 transitions. Second operand has 6 states, 5 states have (on average 5.8) internal successors, (29), 6 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-14 21:01:53,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:01:53,074 INFO L93 Difference]: Finished difference Result 95 states and 109 transitions. [2024-10-14 21:01:53,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 21:01:53,074 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.8) internal successors, (29), 6 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 31 [2024-10-14 21:01:53,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:01:53,075 INFO L225 Difference]: With dead ends: 95 [2024-10-14 21:01:53,075 INFO L226 Difference]: Without dead ends: 83 [2024-10-14 21:01:53,076 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-10-14 21:01:53,076 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 51 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 21:01:53,077 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 37 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 21:01:53,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2024-10-14 21:01:53,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2024-10-14 21:01:53,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 73 states have (on average 1.1369863013698631) internal successors, (83), 77 states have internal predecessors, (83), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-14 21:01:53,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 91 transitions. [2024-10-14 21:01:53,086 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 91 transitions. Word has length 31 [2024-10-14 21:01:53,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:01:53,086 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 91 transitions. [2024-10-14 21:01:53,086 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.8) internal successors, (29), 6 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-14 21:01:53,087 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 91 transitions. [2024-10-14 21:01:53,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-10-14 21:01:53,087 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:01:53,087 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 21:01:53,107 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-10-14 21:01:53,288 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-10-14 21:01:53,288 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-14 21:01:53,288 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:01:53,289 INFO L85 PathProgramCache]: Analyzing trace with hash 821541488, now seen corresponding path program 1 times [2024-10-14 21:01:53,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:01:53,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1621276879] [2024-10-14 21:01:53,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:01:53,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:01:53,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:01:53,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 21:01:53,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:01:53,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 21:01:53,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:01:53,342 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-14 21:01:53,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:01:53,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1621276879] [2024-10-14 21:01:53,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1621276879] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 21:01:53,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [955340600] [2024-10-14 21:01:53,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:01:53,343 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:01:53,343 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 21:01:53,344 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 21:01:53,346 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-14 21:01:53,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:01:53,383 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-14 21:01:53,385 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 21:01:53,428 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-14 21:01:53,428 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 21:01:53,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [955340600] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 21:01:53,429 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 21:01:53,429 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-10-14 21:01:53,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055462965] [2024-10-14 21:01:53,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 21:01:53,429 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 21:01:53,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:01:53,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 21:01:53,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-14 21:01:53,431 INFO L87 Difference]: Start difference. First operand 83 states and 91 transitions. Second operand has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-14 21:01:53,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:01:53,448 INFO L93 Difference]: Finished difference Result 83 states and 91 transitions. [2024-10-14 21:01:53,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 21:01:53,449 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 40 [2024-10-14 21:01:53,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:01:53,450 INFO L225 Difference]: With dead ends: 83 [2024-10-14 21:01:53,450 INFO L226 Difference]: Without dead ends: 82 [2024-10-14 21:01:53,450 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-14 21:01:53,450 INFO L432 NwaCegarLoop]: 34 mSDtfsCounter, 7 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 21:01:53,451 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 49 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 21:01:53,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2024-10-14 21:01:53,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2024-10-14 21:01:53,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 73 states have (on average 1.095890410958904) internal successors, (80), 76 states have internal predecessors, (80), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-14 21:01:53,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 88 transitions. [2024-10-14 21:01:53,462 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 88 transitions. Word has length 40 [2024-10-14 21:01:53,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:01:53,463 INFO L471 AbstractCegarLoop]: Abstraction has 82 states and 88 transitions. [2024-10-14 21:01:53,463 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-14 21:01:53,463 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 88 transitions. [2024-10-14 21:01:53,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-10-14 21:01:53,465 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:01:53,465 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 21:01:53,484 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-14 21:01:53,666 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:01:53,667 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-14 21:01:53,667 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:01:53,667 INFO L85 PathProgramCache]: Analyzing trace with hash -302017574, now seen corresponding path program 1 times [2024-10-14 21:01:53,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:01:53,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [114046434] [2024-10-14 21:01:53,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:01:53,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:01:53,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:01:53,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 21:01:53,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:01:53,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 21:01:53,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:01:53,721 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-14 21:01:53,722 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:01:53,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [114046434] [2024-10-14 21:01:53,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [114046434] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 21:01:53,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [470788677] [2024-10-14 21:01:53,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:01:53,723 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:01:53,723 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 21:01:53,724 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 21:01:53,726 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-14 21:01:53,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:01:53,767 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-14 21:01:53,768 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 21:01:53,818 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-14 21:01:53,819 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 21:01:53,878 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-14 21:01:53,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [470788677] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 21:01:53,878 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 21:01:53,878 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-10-14 21:01:53,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [339507548] [2024-10-14 21:01:53,879 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 21:01:53,879 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 21:01:53,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:01:53,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 21:01:53,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-10-14 21:01:53,880 INFO L87 Difference]: Start difference. First operand 82 states and 88 transitions. Second operand has 7 states, 6 states have (on average 12.666666666666666) internal successors, (76), 7 states have internal predecessors, (76), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-10-14 21:01:53,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:01:53,912 INFO L93 Difference]: Finished difference Result 95 states and 101 transitions. [2024-10-14 21:01:53,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 21:01:53,913 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 12.666666666666666) internal successors, (76), 7 states have internal predecessors, (76), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Word has length 41 [2024-10-14 21:01:53,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:01:53,914 INFO L225 Difference]: With dead ends: 95 [2024-10-14 21:01:53,914 INFO L226 Difference]: Without dead ends: 94 [2024-10-14 21:01:53,914 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-10-14 21:01:53,915 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 6 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 21:01:53,915 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 95 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 21:01:53,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2024-10-14 21:01:53,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 92. [2024-10-14 21:01:53,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 82 states have (on average 1.0731707317073171) internal successors, (88), 85 states have internal predecessors, (88), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-10-14 21:01:53,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 98 transitions. [2024-10-14 21:01:53,922 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 98 transitions. Word has length 41 [2024-10-14 21:01:53,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:01:53,923 INFO L471 AbstractCegarLoop]: Abstraction has 92 states and 98 transitions. [2024-10-14 21:01:53,924 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 12.666666666666666) internal successors, (76), 7 states have internal predecessors, (76), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-10-14 21:01:53,924 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 98 transitions. [2024-10-14 21:01:53,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-10-14 21:01:53,924 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:01:53,925 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1] [2024-10-14 21:01:53,941 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-10-14 21:01:54,125 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:01:54,126 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-14 21:01:54,126 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:01:54,126 INFO L85 PathProgramCache]: Analyzing trace with hash -1523975228, now seen corresponding path program 1 times [2024-10-14 21:01:54,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:01:54,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1788915254] [2024-10-14 21:01:54,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:01:54,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:01:54,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:01:54,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 21:01:54,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:01:54,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 21:01:54,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:01:54,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-14 21:01:54,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:01:54,271 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-14 21:01:54,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:01:54,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1788915254] [2024-10-14 21:01:54,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1788915254] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 21:01:54,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [941265183] [2024-10-14 21:01:54,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:01:54,272 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:01:54,272 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 21:01:54,273 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 21:01:54,275 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-14 21:01:54,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:01:54,320 INFO L255 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-14 21:01:54,322 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 21:01:54,539 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-14 21:01:54,539 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 21:01:54,704 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-14 21:01:54,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [941265183] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 21:01:54,704 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 21:01:54,705 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 19 [2024-10-14 21:01:54,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353232721] [2024-10-14 21:01:54,705 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 21:01:54,705 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-10-14 21:01:54,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:01:54,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-10-14 21:01:54,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=144, Invalid=236, Unknown=0, NotChecked=0, Total=380 [2024-10-14 21:01:54,708 INFO L87 Difference]: Start difference. First operand 92 states and 98 transitions. Second operand has 20 states, 19 states have (on average 8.0) internal successors, (152), 20 states have internal predecessors, (152), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-10-14 21:01:54,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:01:54,951 INFO L93 Difference]: Finished difference Result 133 states and 147 transitions. [2024-10-14 21:01:54,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-14 21:01:54,951 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 8.0) internal successors, (152), 20 states have internal predecessors, (152), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Word has length 66 [2024-10-14 21:01:54,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:01:54,953 INFO L225 Difference]: With dead ends: 133 [2024-10-14 21:01:54,953 INFO L226 Difference]: Without dead ends: 132 [2024-10-14 21:01:54,953 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 179 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=248, Invalid=402, Unknown=0, NotChecked=0, Total=650 [2024-10-14 21:01:54,954 INFO L432 NwaCegarLoop]: 13 mSDtfsCounter, 9 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 21:01:54,954 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 78 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 21:01:54,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2024-10-14 21:01:54,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 130. [2024-10-14 21:01:54,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 118 states have (on average 1.0932203389830508) internal successors, (129), 121 states have internal predecessors, (129), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-10-14 21:01:54,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 143 transitions. [2024-10-14 21:01:54,961 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 143 transitions. Word has length 66 [2024-10-14 21:01:54,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:01:54,962 INFO L471 AbstractCegarLoop]: Abstraction has 130 states and 143 transitions. [2024-10-14 21:01:54,962 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 8.0) internal successors, (152), 20 states have internal predecessors, (152), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-10-14 21:01:54,962 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 143 transitions. [2024-10-14 21:01:54,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-10-14 21:01:54,963 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:01:54,963 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1] [2024-10-14 21:01:54,979 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-10-14 21:01:55,163 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-10-14 21:01:55,164 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-14 21:01:55,165 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:01:55,165 INFO L85 PathProgramCache]: Analyzing trace with hash -838030480, now seen corresponding path program 2 times [2024-10-14 21:01:55,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:01:55,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542451751] [2024-10-14 21:01:55,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:01:55,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:01:55,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:01:55,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 21:01:55,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:01:55,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 21:01:55,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:01:55,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-14 21:01:55,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:01:55,316 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-14 21:01:55,316 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:01:55,316 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542451751] [2024-10-14 21:01:55,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [542451751] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 21:01:55,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2135403614] [2024-10-14 21:01:55,317 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-14 21:01:55,317 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:01:55,317 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 21:01:55,319 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 21:01:55,320 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-14 21:01:55,371 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-14 21:01:55,372 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 21:01:55,374 INFO L255 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-14 21:01:55,376 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 21:01:55,604 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-14 21:01:55,604 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 21:01:55,783 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-14 21:01:55,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2135403614] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 21:01:55,784 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 21:01:55,784 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 21 [2024-10-14 21:01:55,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2082188180] [2024-10-14 21:01:55,785 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 21:01:55,785 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-10-14 21:01:55,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:01:55,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-10-14 21:01:55,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=165, Invalid=297, Unknown=0, NotChecked=0, Total=462 [2024-10-14 21:01:55,787 INFO L87 Difference]: Start difference. First operand 130 states and 143 transitions. Second operand has 22 states, 21 states have (on average 7.714285714285714) internal successors, (162), 22 states have internal predecessors, (162), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-10-14 21:01:56,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:01:56,101 INFO L93 Difference]: Finished difference Result 139 states and 150 transitions. [2024-10-14 21:01:56,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-14 21:01:56,101 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 7.714285714285714) internal successors, (162), 22 states have internal predecessors, (162), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Word has length 71 [2024-10-14 21:01:56,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:01:56,102 INFO L225 Difference]: With dead ends: 139 [2024-10-14 21:01:56,102 INFO L226 Difference]: Without dead ends: 138 [2024-10-14 21:01:56,103 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 237 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=321, Invalid=549, Unknown=0, NotChecked=0, Total=870 [2024-10-14 21:01:56,104 INFO L432 NwaCegarLoop]: 13 mSDtfsCounter, 70 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 222 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 222 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 21:01:56,104 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 124 Invalid, 234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 222 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 21:01:56,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2024-10-14 21:01:56,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 135. [2024-10-14 21:01:56,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 123 states have (on average 1.0731707317073171) internal successors, (132), 126 states have internal predecessors, (132), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-10-14 21:01:56,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 146 transitions. [2024-10-14 21:01:56,113 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 146 transitions. Word has length 71 [2024-10-14 21:01:56,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:01:56,113 INFO L471 AbstractCegarLoop]: Abstraction has 135 states and 146 transitions. [2024-10-14 21:01:56,113 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 7.714285714285714) internal successors, (162), 22 states have internal predecessors, (162), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-10-14 21:01:56,113 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 146 transitions. [2024-10-14 21:01:56,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-10-14 21:01:56,115 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:01:56,115 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1] [2024-10-14 21:01:56,132 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-10-14 21:01:56,315 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-10-14 21:01:56,315 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-14 21:01:56,316 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:01:56,316 INFO L85 PathProgramCache]: Analyzing trace with hash -479440876, now seen corresponding path program 2 times [2024-10-14 21:01:56,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:01:56,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1322964761] [2024-10-14 21:01:56,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:01:56,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:01:56,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 21:01:56,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1421219503] [2024-10-14 21:01:56,333 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-14 21:01:56,333 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:01:56,333 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 21:01:56,335 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 21:01:56,339 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-10-14 21:01:56,392 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-14 21:01:56,392 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 21:01:56,395 INFO L255 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-10-14 21:01:56,396 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 21:01:56,495 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 114 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-14 21:01:56,495 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 21:01:56,688 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 114 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-14 21:01:56,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:01:56,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1322964761] [2024-10-14 21:01:56,689 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 21:01:56,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1421219503] [2024-10-14 21:01:56,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1421219503] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 21:01:56,689 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-14 21:01:56,689 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2024-10-14 21:01:56,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462938185] [2024-10-14 21:01:56,689 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-14 21:01:56,690 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-14 21:01:56,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:01:56,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-14 21:01:56,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2024-10-14 21:01:56,691 INFO L87 Difference]: Start difference. First operand 135 states and 146 transitions. Second operand has 12 states, 11 states have (on average 12.818181818181818) internal successors, (141), 12 states have internal predecessors, (141), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-10-14 21:01:56,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:01:57,000 INFO L93 Difference]: Finished difference Result 192 states and 209 transitions. [2024-10-14 21:01:57,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-14 21:01:57,000 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 12.818181818181818) internal successors, (141), 12 states have internal predecessors, (141), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Word has length 90 [2024-10-14 21:01:57,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:01:57,001 INFO L225 Difference]: With dead ends: 192 [2024-10-14 21:01:57,001 INFO L226 Difference]: Without dead ends: 191 [2024-10-14 21:01:57,002 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=94, Invalid=146, Unknown=0, NotChecked=0, Total=240 [2024-10-14 21:01:57,002 INFO L432 NwaCegarLoop]: 48 mSDtfsCounter, 106 mSDsluCounter, 233 mSDsCounter, 0 mSdLazyCounter, 339 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 281 SdHoareTripleChecker+Invalid, 346 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 339 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 21:01:57,003 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 281 Invalid, 346 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 339 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 21:01:57,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2024-10-14 21:01:57,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 184. [2024-10-14 21:01:57,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 169 states have (on average 1.0828402366863905) internal successors, (183), 172 states have internal predecessors, (183), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-14 21:01:57,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 203 transitions. [2024-10-14 21:01:57,011 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 203 transitions. Word has length 90 [2024-10-14 21:01:57,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:01:57,011 INFO L471 AbstractCegarLoop]: Abstraction has 184 states and 203 transitions. [2024-10-14 21:01:57,011 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 12.818181818181818) internal successors, (141), 12 states have internal predecessors, (141), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-10-14 21:01:57,011 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 203 transitions. [2024-10-14 21:01:57,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-10-14 21:01:57,012 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:01:57,012 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 1, 1, 1, 1] [2024-10-14 21:01:57,028 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-10-14 21:01:57,216 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-10-14 21:01:57,217 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-14 21:01:57,217 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:01:57,217 INFO L85 PathProgramCache]: Analyzing trace with hash -276542208, now seen corresponding path program 2 times [2024-10-14 21:01:57,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:01:57,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362893797] [2024-10-14 21:01:57,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:01:57,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:01:57,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:01:57,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 21:01:57,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:01:57,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 21:01:57,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:01:57,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-14 21:01:57,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:01:57,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-14 21:01:57,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:01:57,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-14 21:01:57,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:01:57,322 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-10-14 21:01:57,323 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:01:57,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1362893797] [2024-10-14 21:01:57,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1362893797] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 21:01:57,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1615774820] [2024-10-14 21:01:57,324 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-14 21:01:57,324 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:01:57,324 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 21:01:57,326 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 21:01:57,327 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-10-14 21:01:57,366 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-10-14 21:01:57,366 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 21:01:57,366 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-14 21:01:57,368 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 21:01:57,460 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-10-14 21:01:57,461 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 21:01:57,589 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-10-14 21:01:57,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1615774820] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 21:01:57,589 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 21:01:57,589 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-10-14 21:01:57,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344100021] [2024-10-14 21:01:57,590 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 21:01:57,590 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 21:01:57,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:01:57,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 21:01:57,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-14 21:01:57,591 INFO L87 Difference]: Start difference. First operand 184 states and 203 transitions. Second operand has 6 states, 5 states have (on average 9.4) internal successors, (47), 6 states have internal predecessors, (47), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-14 21:01:57,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:01:57,617 INFO L93 Difference]: Finished difference Result 184 states and 203 transitions. [2024-10-14 21:01:57,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 21:01:57,617 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.4) internal successors, (47), 6 states have internal predecessors, (47), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 104 [2024-10-14 21:01:57,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:01:57,619 INFO L225 Difference]: With dead ends: 184 [2024-10-14 21:01:57,619 INFO L226 Difference]: Without dead ends: 183 [2024-10-14 21:01:57,619 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 214 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-10-14 21:01:57,620 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 28 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 21:01:57,620 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 57 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 21:01:57,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2024-10-14 21:01:57,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 183. [2024-10-14 21:01:57,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 169 states have (on average 1.047337278106509) internal successors, (177), 171 states have internal predecessors, (177), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-14 21:01:57,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 197 transitions. [2024-10-14 21:01:57,629 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 197 transitions. Word has length 104 [2024-10-14 21:01:57,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:01:57,629 INFO L471 AbstractCegarLoop]: Abstraction has 183 states and 197 transitions. [2024-10-14 21:01:57,629 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.4) internal successors, (47), 6 states have internal predecessors, (47), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-14 21:01:57,630 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 197 transitions. [2024-10-14 21:01:57,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-10-14 21:01:57,631 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:01:57,631 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 1, 1, 1, 1] [2024-10-14 21:01:57,646 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-10-14 21:01:57,831 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-10-14 21:01:57,832 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-14 21:01:57,832 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:01:57,832 INFO L85 PathProgramCache]: Analyzing trace with hash -1502231484, now seen corresponding path program 2 times [2024-10-14 21:01:57,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:01:57,832 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1778915253] [2024-10-14 21:01:57,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:01:57,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:01:57,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:01:58,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 21:01:58,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:01:58,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 21:01:58,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:01:58,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-14 21:01:58,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:01:58,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-14 21:01:58,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:01:58,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-14 21:01:58,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:01:58,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 21:01:58,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:01:58,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-14 21:01:58,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:01:58,233 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 0 proven. 357 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-14 21:01:58,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:01:58,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1778915253] [2024-10-14 21:01:58,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1778915253] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 21:01:58,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1373848058] [2024-10-14 21:01:58,234 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-14 21:01:58,234 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:01:58,235 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 21:01:58,236 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 21:01:58,237 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-10-14 21:01:58,283 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-10-14 21:01:58,283 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 21:01:58,283 INFO L255 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-14 21:01:58,286 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 21:01:58,465 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2024-10-14 21:01:58,466 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 21:01:58,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1373848058] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 21:01:58,466 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 21:01:58,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [15] total 20 [2024-10-14 21:01:58,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818391565] [2024-10-14 21:01:58,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 21:01:58,466 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 21:01:58,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:01:58,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 21:01:58,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=363, Unknown=0, NotChecked=0, Total=420 [2024-10-14 21:01:58,467 INFO L87 Difference]: Start difference. First operand 183 states and 197 transitions. Second operand has 7 states, 6 states have (on average 6.166666666666667) internal successors, (37), 7 states have internal predecessors, (37), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-14 21:01:58,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:01:58,575 INFO L93 Difference]: Finished difference Result 185 states and 199 transitions. [2024-10-14 21:01:58,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-14 21:01:58,576 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 6.166666666666667) internal successors, (37), 7 states have internal predecessors, (37), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 150 [2024-10-14 21:01:58,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:01:58,577 INFO L225 Difference]: With dead ends: 185 [2024-10-14 21:01:58,577 INFO L226 Difference]: Without dead ends: 184 [2024-10-14 21:01:58,577 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=61, Invalid=401, Unknown=0, NotChecked=0, Total=462 [2024-10-14 21:01:58,578 INFO L432 NwaCegarLoop]: 10 mSDtfsCounter, 10 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 21:01:58,578 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 42 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 21:01:58,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2024-10-14 21:01:58,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 182. [2024-10-14 21:01:58,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 169 states have (on average 1.0236686390532543) internal successors, (173), 170 states have internal predecessors, (173), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-14 21:01:58,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 193 transitions. [2024-10-14 21:01:58,590 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 193 transitions. Word has length 150 [2024-10-14 21:01:58,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:01:58,590 INFO L471 AbstractCegarLoop]: Abstraction has 182 states and 193 transitions. [2024-10-14 21:01:58,590 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 6.166666666666667) internal successors, (37), 7 states have internal predecessors, (37), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-14 21:01:58,590 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 193 transitions. [2024-10-14 21:01:58,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-10-14 21:01:58,592 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:01:58,592 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1] [2024-10-14 21:01:58,609 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-10-14 21:01:58,793 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-10-14 21:01:58,793 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-14 21:01:58,794 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:01:58,794 INFO L85 PathProgramCache]: Analyzing trace with hash 122303216, now seen corresponding path program 3 times [2024-10-14 21:01:58,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:01:58,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971110609] [2024-10-14 21:01:58,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:01:58,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:01:58,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:01:59,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 21:01:59,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:01:59,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 21:01:59,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:01:59,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-14 21:01:59,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:01:59,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-14 21:01:59,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:01:59,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-14 21:01:59,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:01:59,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 21:01:59,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:01:59,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-14 21:01:59,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:01:59,205 INFO L134 CoverageAnalysis]: Checked inductivity of 476 backedges. 0 proven. 392 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-14 21:01:59,205 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:01:59,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1971110609] [2024-10-14 21:01:59,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1971110609] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 21:01:59,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1864489256] [2024-10-14 21:01:59,206 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-14 21:01:59,206 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:01:59,206 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 21:01:59,208 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 21:01:59,209 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-10-14 21:01:59,251 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-10-14 21:01:59,251 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 21:01:59,252 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-10-14 21:01:59,254 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 21:02:23,587 WARN L873 $PredicateComparison]: unable to prove that (exists ((|ULTIMATE.start_main_~y~0#1| Int)) (let ((.cse0 (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1|))) (and (= (mod (+ |ULTIMATE.start_main_~y~0#1| .cse0) 2) 0) (<= .cse0 (+ 9223372036854775806 (* 2 |ULTIMATE.start_main_~y~0#1|))) (<= .cse0 9223372036854775807) (<= |c_ULTIMATE.start_main_~x~0#1| (+ |ULTIMATE.start_main_~y~0#1| (div (+ (* (- 1) |ULTIMATE.start_main_~y~0#1|) .cse0) 2)))))) is different from true [2024-10-14 21:02:27,624 INFO L134 CoverageAnalysis]: Checked inductivity of 476 backedges. 135 proven. 0 refuted. 0 times theorem prover too weak. 339 trivial. 2 not checked. [2024-10-14 21:02:27,624 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 21:02:36,025 INFO L134 CoverageAnalysis]: Checked inductivity of 476 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 381 trivial. 0 not checked. [2024-10-14 21:02:36,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1864489256] provided 1 perfect and 1 imperfect interpolant sequences [2024-10-14 21:02:36,026 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-10-14 21:02:36,026 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [16, 8] total 28 [2024-10-14 21:02:36,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400953381] [2024-10-14 21:02:36,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 21:02:36,027 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 21:02:36,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:02:36,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 21:02:36,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=153, Invalid=606, Unknown=1, NotChecked=52, Total=812 [2024-10-14 21:02:36,028 INFO L87 Difference]: Start difference. First operand 182 states and 193 transitions. Second operand has 8 states, 7 states have (on average 5.285714285714286) internal successors, (37), 8 states have internal predecessors, (37), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-14 21:02:36,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:02:36,277 INFO L93 Difference]: Finished difference Result 182 states and 193 transitions. [2024-10-14 21:02:36,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 21:02:36,278 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 5.285714285714286) internal successors, (37), 8 states have internal predecessors, (37), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 155 [2024-10-14 21:02:36,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:02:36,279 INFO L225 Difference]: With dead ends: 182 [2024-10-14 21:02:36,279 INFO L226 Difference]: Without dead ends: 181 [2024-10-14 21:02:36,280 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 341 GetRequests, 311 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 164 ImplicationChecksByTransitivity, 16.7s TimeCoverageRelationStatistics Valid=184, Invalid=749, Unknown=1, NotChecked=58, Total=992 [2024-10-14 21:02:36,281 INFO L432 NwaCegarLoop]: 9 mSDtfsCounter, 64 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 21:02:36,281 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 33 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 21:02:36,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2024-10-14 21:02:36,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 181. [2024-10-14 21:02:36,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 181 states, 169 states have (on average 1.0059171597633136) internal successors, (170), 169 states have internal predecessors, (170), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-14 21:02:36,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 190 transitions. [2024-10-14 21:02:36,291 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 190 transitions. Word has length 155 [2024-10-14 21:02:36,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:02:36,291 INFO L471 AbstractCegarLoop]: Abstraction has 181 states and 190 transitions. [2024-10-14 21:02:36,292 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 5.285714285714286) internal successors, (37), 8 states have internal predecessors, (37), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-14 21:02:36,292 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 190 transitions. [2024-10-14 21:02:36,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2024-10-14 21:02:36,294 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:02:36,294 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1] [2024-10-14 21:02:36,311 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-10-14 21:02:36,494 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:02:36,495 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-14 21:02:36,495 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:02:36,495 INFO L85 PathProgramCache]: Analyzing trace with hash -1910324012, now seen corresponding path program 3 times [2024-10-14 21:02:36,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:02:36,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442719743] [2024-10-14 21:02:36,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:02:36,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:02:36,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 21:02:36,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1518235522] [2024-10-14 21:02:36,551 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-14 21:02:36,551 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:02:36,551 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 21:02:36,553 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 21:02:36,554 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-10-14 21:02:36,677 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-10-14 21:02:36,677 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 21:02:36,679 INFO L255 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-10-14 21:02:36,682 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 21:02:37,033 INFO L134 CoverageAnalysis]: Checked inductivity of 975 backedges. 0 proven. 795 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-10-14 21:02:37,033 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 21:02:37,775 INFO L134 CoverageAnalysis]: Checked inductivity of 975 backedges. 0 proven. 795 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-10-14 21:02:37,776 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:02:37,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [442719743] [2024-10-14 21:02:37,776 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 21:02:37,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1518235522] [2024-10-14 21:02:37,776 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1518235522] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 21:02:37,776 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-14 21:02:37,776 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 23 [2024-10-14 21:02:37,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179624506] [2024-10-14 21:02:37,776 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-14 21:02:37,777 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-10-14 21:02:37,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:02:37,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-10-14 21:02:37,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=166, Invalid=386, Unknown=0, NotChecked=0, Total=552 [2024-10-14 21:02:37,779 INFO L87 Difference]: Start difference. First operand 181 states and 190 transitions. Second operand has 24 states, 23 states have (on average 14.478260869565217) internal successors, (333), 24 states have internal predecessors, (333), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-10-14 21:02:39,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:02:39,143 INFO L93 Difference]: Finished difference Result 386 states and 418 transitions. [2024-10-14 21:02:39,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-14 21:02:39,144 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 14.478260869565217) internal successors, (333), 24 states have internal predecessors, (333), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Word has length 216 [2024-10-14 21:02:39,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:02:39,146 INFO L225 Difference]: With dead ends: 386 [2024-10-14 21:02:39,146 INFO L226 Difference]: Without dead ends: 385 [2024-10-14 21:02:39,147 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 440 GetRequests, 408 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=406, Invalid=716, Unknown=0, NotChecked=0, Total=1122 [2024-10-14 21:02:39,147 INFO L432 NwaCegarLoop]: 94 mSDtfsCounter, 145 mSDsluCounter, 886 mSDsCounter, 0 mSdLazyCounter, 1446 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 980 SdHoareTripleChecker+Invalid, 1459 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 1446 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-14 21:02:39,147 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 980 Invalid, 1459 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 1446 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-14 21:02:39,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 385 states. [2024-10-14 21:02:39,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 385 to 385. [2024-10-14 21:02:39,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 385 states, 361 states have (on average 1.002770083102493) internal successors, (362), 361 states have internal predecessors, (362), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-10-14 21:02:39,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 385 states and 406 transitions. [2024-10-14 21:02:39,164 INFO L78 Accepts]: Start accepts. Automaton has 385 states and 406 transitions. Word has length 216 [2024-10-14 21:02:39,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:02:39,164 INFO L471 AbstractCegarLoop]: Abstraction has 385 states and 406 transitions. [2024-10-14 21:02:39,165 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 14.478260869565217) internal successors, (333), 24 states have internal predecessors, (333), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-10-14 21:02:39,165 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 406 transitions. [2024-10-14 21:02:39,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 469 [2024-10-14 21:02:39,171 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:02:39,171 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 1, 1, 1, 1] [2024-10-14 21:02:39,189 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-10-14 21:02:39,375 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:02:39,376 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-14 21:02:39,376 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:02:39,376 INFO L85 PathProgramCache]: Analyzing trace with hash -1845871020, now seen corresponding path program 4 times [2024-10-14 21:02:39,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:02:39,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440149661] [2024-10-14 21:02:39,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:02:39,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:02:39,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 21:02:39,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [820652445] [2024-10-14 21:02:39,445 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-14 21:02:39,445 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:02:39,446 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 21:02:39,447 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 21:02:39,448 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-10-14 21:02:39,582 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-14 21:02:39,582 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 21:02:39,585 INFO L255 TraceCheckSpWp]: Trace formula consists of 717 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-10-14 21:02:39,590 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 21:02:40,411 INFO L134 CoverageAnalysis]: Checked inductivity of 4917 backedges. 0 proven. 3993 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-10-14 21:02:40,411 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 21:02:42,039 INFO L134 CoverageAnalysis]: Checked inductivity of 4917 backedges. 0 proven. 3993 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-10-14 21:02:42,039 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:02:42,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1440149661] [2024-10-14 21:02:42,039 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 21:02:42,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [820652445] [2024-10-14 21:02:42,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [820652445] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 21:02:42,040 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-14 21:02:42,040 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24] total 47 [2024-10-14 21:02:42,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703297802] [2024-10-14 21:02:42,040 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-14 21:02:42,041 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2024-10-14 21:02:42,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:02:42,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2024-10-14 21:02:42,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=622, Invalid=1634, Unknown=0, NotChecked=0, Total=2256 [2024-10-14 21:02:42,044 INFO L87 Difference]: Start difference. First operand 385 states and 406 transitions. Second operand has 48 states, 47 states have (on average 15.25531914893617) internal successors, (717), 48 states have internal predecessors, (717), 44 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-10-14 21:02:47,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:02:47,337 INFO L93 Difference]: Finished difference Result 794 states and 862 transitions. [2024-10-14 21:02:47,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-10-14 21:02:47,338 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 47 states have (on average 15.25531914893617) internal successors, (717), 48 states have internal predecessors, (717), 44 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) Word has length 468 [2024-10-14 21:02:47,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:02:47,342 INFO L225 Difference]: With dead ends: 794 [2024-10-14 21:02:47,342 INFO L226 Difference]: Without dead ends: 793 [2024-10-14 21:02:47,343 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 956 GetRequests, 888 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 231 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=1678, Invalid=3152, Unknown=0, NotChecked=0, Total=4830 [2024-10-14 21:02:47,344 INFO L432 NwaCegarLoop]: 190 mSDtfsCounter, 277 mSDsluCounter, 3844 mSDsCounter, 0 mSdLazyCounter, 6070 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 279 SdHoareTripleChecker+Valid, 4034 SdHoareTripleChecker+Invalid, 6095 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 6070 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2024-10-14 21:02:47,344 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [279 Valid, 4034 Invalid, 6095 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 6070 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2024-10-14 21:02:47,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 793 states. [2024-10-14 21:02:47,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 793 to 793. [2024-10-14 21:02:47,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 793 states, 745 states have (on average 1.0013422818791946) internal successors, (746), 745 states have internal predecessors, (746), 46 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-10-14 21:02:47,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 793 states to 793 states and 838 transitions. [2024-10-14 21:02:47,377 INFO L78 Accepts]: Start accepts. Automaton has 793 states and 838 transitions. Word has length 468 [2024-10-14 21:02:47,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:02:47,377 INFO L471 AbstractCegarLoop]: Abstraction has 793 states and 838 transitions. [2024-10-14 21:02:47,378 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 47 states have (on average 15.25531914893617) internal successors, (717), 48 states have internal predecessors, (717), 44 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-10-14 21:02:47,378 INFO L276 IsEmpty]: Start isEmpty. Operand 793 states and 838 transitions. [2024-10-14 21:02:47,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 973 [2024-10-14 21:02:47,402 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:02:47,402 INFO L215 NwaCegarLoop]: trace histogram [47, 47, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 1, 1, 1, 1] [2024-10-14 21:02:47,419 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-10-14 21:02:47,602 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:02:47,603 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-14 21:02:47,603 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:02:47,603 INFO L85 PathProgramCache]: Analyzing trace with hash -828149420, now seen corresponding path program 5 times [2024-10-14 21:02:47,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:02:47,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442816737] [2024-10-14 21:02:47,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:02:47,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:02:47,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 21:02:47,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [952264088] [2024-10-14 21:02:47,912 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-10-14 21:02:47,912 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:02:47,912 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 21:02:47,914 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 21:02:47,915 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-10-14 21:02:49,043 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2024-10-14 21:02:49,043 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 21:02:49,049 INFO L255 TraceCheckSpWp]: Trace formula consists of 1461 conjuncts, 95 conjuncts are in the unsatisfiable core [2024-10-14 21:02:49,063 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 21:02:51,003 INFO L134 CoverageAnalysis]: Checked inductivity of 21873 backedges. 0 proven. 17733 refuted. 0 times theorem prover too weak. 4140 trivial. 0 not checked. [2024-10-14 21:02:51,003 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 21:02:55,980 INFO L134 CoverageAnalysis]: Checked inductivity of 21873 backedges. 0 proven. 17733 refuted. 0 times theorem prover too weak. 4140 trivial. 0 not checked. [2024-10-14 21:02:55,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:02:55,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [442816737] [2024-10-14 21:02:55,981 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 21:02:55,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [952264088] [2024-10-14 21:02:55,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [952264088] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 21:02:55,981 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-14 21:02:55,981 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48, 48] total 95 [2024-10-14 21:02:55,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943552669] [2024-10-14 21:02:55,982 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-14 21:02:55,983 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2024-10-14 21:02:55,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:02:55,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2024-10-14 21:02:55,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2398, Invalid=6722, Unknown=0, NotChecked=0, Total=9120 [2024-10-14 21:02:55,989 INFO L87 Difference]: Start difference. First operand 793 states and 838 transitions. Second operand has 96 states, 95 states have (on average 15.631578947368421) internal successors, (1485), 96 states have internal predecessors, (1485), 92 states have call successors, (92), 1 states have call predecessors, (92), 1 states have return successors, (92), 92 states have call predecessors, (92), 92 states have call successors, (92) [2024-10-14 21:03:17,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:03:17,531 INFO L93 Difference]: Finished difference Result 1610 states and 1750 transitions. [2024-10-14 21:03:17,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2024-10-14 21:03:17,532 INFO L78 Accepts]: Start accepts. Automaton has has 96 states, 95 states have (on average 15.631578947368421) internal successors, (1485), 96 states have internal predecessors, (1485), 92 states have call successors, (92), 1 states have call predecessors, (92), 1 states have return successors, (92), 92 states have call predecessors, (92), 92 states have call successors, (92) Word has length 972 [2024-10-14 21:03:17,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:03:17,539 INFO L225 Difference]: With dead ends: 1610 [2024-10-14 21:03:17,539 INFO L226 Difference]: Without dead ends: 1609 [2024-10-14 21:03:17,543 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1988 GetRequests, 1848 SyntacticMatches, 0 SemanticMatches, 140 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1035 ImplicationChecksByTransitivity, 16.2s TimeCoverageRelationStatistics Valid=6814, Invalid=13208, Unknown=0, NotChecked=0, Total=20022 [2024-10-14 21:03:17,544 INFO L432 NwaCegarLoop]: 382 mSDtfsCounter, 541 mSDsluCounter, 15697 mSDsCounter, 0 mSdLazyCounter, 24812 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 543 SdHoareTripleChecker+Valid, 16079 SdHoareTripleChecker+Invalid, 24861 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 24812 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.3s IncrementalHoareTripleChecker+Time [2024-10-14 21:03:17,545 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [543 Valid, 16079 Invalid, 24861 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [49 Valid, 24812 Invalid, 0 Unknown, 0 Unchecked, 9.3s Time] [2024-10-14 21:03:17,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1609 states. [2024-10-14 21:03:17,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1609 to 1609. [2024-10-14 21:03:17,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1609 states, 1513 states have (on average 1.0006609385327165) internal successors, (1514), 1513 states have internal predecessors, (1514), 94 states have call successors, (94), 1 states have call predecessors, (94), 1 states have return successors, (94), 94 states have call predecessors, (94), 94 states have call successors, (94) [2024-10-14 21:03:17,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1609 states to 1609 states and 1702 transitions. [2024-10-14 21:03:17,603 INFO L78 Accepts]: Start accepts. Automaton has 1609 states and 1702 transitions. Word has length 972 [2024-10-14 21:03:17,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:03:17,604 INFO L471 AbstractCegarLoop]: Abstraction has 1609 states and 1702 transitions. [2024-10-14 21:03:17,605 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 96 states, 95 states have (on average 15.631578947368421) internal successors, (1485), 96 states have internal predecessors, (1485), 92 states have call successors, (92), 1 states have call predecessors, (92), 1 states have return successors, (92), 92 states have call predecessors, (92), 92 states have call successors, (92) [2024-10-14 21:03:17,605 INFO L276 IsEmpty]: Start isEmpty. Operand 1609 states and 1702 transitions. [2024-10-14 21:03:17,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1981 [2024-10-14 21:03:17,631 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:03:17,631 INFO L215 NwaCegarLoop]: trace histogram [95, 95, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 1, 1, 1, 1] [2024-10-14 21:03:17,649 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-10-14 21:03:17,832 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-10-14 21:03:17,832 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-14 21:03:17,833 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:03:17,833 INFO L85 PathProgramCache]: Analyzing trace with hash -832645292, now seen corresponding path program 6 times [2024-10-14 21:03:17,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:03:17,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [206652624] [2024-10-14 21:03:17,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:03:17,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:03:18,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat