./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/geo1-ll_valuebound5.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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 ../sv-benchmarks/c/nla-digbench-scaling/geo1-ll_valuebound5.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 5fecc0272e3d3edda13fe6ca0a651d95cf8d16c414f426c1f8f27e509220a775 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 10:46:09,757 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 10:46:09,830 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-19 10:46:09,837 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 10:46:09,838 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 10:46:09,880 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 10:46:09,883 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 10:46:09,883 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 10:46:09,884 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 10:46:09,886 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 10:46:09,887 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 10:46:09,887 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 10:46:09,888 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 10:46:09,888 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 10:46:09,889 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 10:46:09,889 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 10:46:09,889 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 10:46:09,890 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 10:46:09,890 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 10:46:09,893 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 10:46:09,895 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 10:46:09,896 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 10:46:09,896 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 10:46:09,896 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 10:46:09,897 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 10:46:09,897 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-19 10:46:09,897 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 10:46:09,898 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 10:46:09,899 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 10:46:09,899 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 10:46:09,899 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 10:46:09,900 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 10:46:09,900 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 10:46:09,901 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 10:46:09,901 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 10:46:09,902 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 10:46:09,902 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 10:46:09,902 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 10:46:09,902 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 10:46:09,902 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 10:46:09,903 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 10:46:09,903 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 10:46:09,903 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 10:46:09,904 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 10:46:09,904 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5fecc0272e3d3edda13fe6ca0a651d95cf8d16c414f426c1f8f27e509220a775 [2024-11-19 10:46:10,172 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 10:46:10,202 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 10:46:10,204 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 10:46:10,205 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 10:46:10,206 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 10:46:10,207 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/geo1-ll_valuebound5.c [2024-11-19 10:46:11,698 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 10:46:11,941 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 10:46:11,942 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/geo1-ll_valuebound5.c [2024-11-19 10:46:11,954 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d3eca96a/73e7c5d24153476aa33df11c69e9826b/FLAGbee81f2d6 [2024-11-19 10:46:11,974 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d3eca96a/73e7c5d24153476aa33df11c69e9826b [2024-11-19 10:46:11,977 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 10:46:11,979 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 10:46:11,982 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 10:46:11,984 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 10:46:11,990 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 10:46:11,990 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:46:11" (1/1) ... [2024-11-19 10:46:11,991 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70b15ff0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:46:11, skipping insertion in model container [2024-11-19 10:46:11,992 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:46:11" (1/1) ... [2024-11-19 10:46:12,016 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 10:46:12,218 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 10:46:12,228 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 10:46:12,255 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 10:46:12,273 INFO L204 MainTranslator]: Completed translation [2024-11-19 10:46:12,273 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:46:12 WrapperNode [2024-11-19 10:46:12,273 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 10:46:12,274 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 10:46:12,275 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 10:46:12,275 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 10:46:12,282 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:46:12" (1/1) ... [2024-11-19 10:46:12,291 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:46:12" (1/1) ... [2024-11-19 10:46:12,317 INFO L138 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 73 [2024-11-19 10:46:12,319 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 10:46:12,320 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 10:46:12,320 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 10:46:12,320 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 10:46:12,332 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:46:12" (1/1) ... [2024-11-19 10:46:12,332 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:46:12" (1/1) ... [2024-11-19 10:46:12,334 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:46:12" (1/1) ... [2024-11-19 10:46:12,356 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-19 10:46:12,356 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:46:12" (1/1) ... [2024-11-19 10:46:12,356 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:46:12" (1/1) ... [2024-11-19 10:46:12,359 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:46:12" (1/1) ... [2024-11-19 10:46:12,366 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:46:12" (1/1) ... [2024-11-19 10:46:12,367 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:46:12" (1/1) ... [2024-11-19 10:46:12,370 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:46:12" (1/1) ... [2024-11-19 10:46:12,376 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 10:46:12,377 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 10:46:12,377 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 10:46:12,377 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 10:46:12,378 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:46:12" (1/1) ... [2024-11-19 10:46:12,385 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 10:46:12,397 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:46:12,417 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) [2024-11-19 10:46:12,421 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 [2024-11-19 10:46:12,473 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 10:46:12,473 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-19 10:46:12,473 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-19 10:46:12,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 10:46:12,473 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 10:46:12,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 10:46:12,474 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-19 10:46:12,474 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-19 10:46:12,543 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 10:46:12,548 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 10:46:12,909 INFO L? ?]: Removed 54 outVars from TransFormulas that were not future-live. [2024-11-19 10:46:12,910 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 10:46:12,926 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 10:46:12,928 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-19 10:46:12,928 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:46:12 BoogieIcfgContainer [2024-11-19 10:46:12,928 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 10:46:12,933 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 10:46:12,933 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 10:46:12,937 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 10:46:12,938 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 10:46:11" (1/3) ... [2024-11-19 10:46:12,939 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@337a3e46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 10:46:12, skipping insertion in model container [2024-11-19 10:46:12,939 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:46:12" (2/3) ... [2024-11-19 10:46:12,939 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@337a3e46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 10:46:12, skipping insertion in model container [2024-11-19 10:46:12,940 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:46:12" (3/3) ... [2024-11-19 10:46:12,941 INFO L112 eAbstractionObserver]: Analyzing ICFG geo1-ll_valuebound5.c [2024-11-19 10:46:12,960 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 10:46:12,961 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 24 error locations. [2024-11-19 10:46:13,033 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 10:46:13,040 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;@1363e574, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 10:46:13,040 INFO L334 AbstractCegarLoop]: Starting to check reachability of 24 error locations. [2024-11-19 10:46:13,044 INFO L276 IsEmpty]: Start isEmpty. Operand has 74 states, 41 states have (on average 1.7073170731707317) internal successors, (70), 65 states have internal predecessors, (70), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-19 10:46:13,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-19 10:46:13,051 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:46:13,052 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:46:13,053 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-19 10:46:13,058 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:46:13,059 INFO L85 PathProgramCache]: Analyzing trace with hash -106143586, now seen corresponding path program 1 times [2024-11-19 10:46:13,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:46:13,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28804075] [2024-11-19 10:46:13,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:46:13,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:46:13,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:46:13,236 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-19 10:46:13,236 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:46:13,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [28804075] [2024-11-19 10:46:13,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [28804075] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:46:13,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1104177093] [2024-11-19 10:46:13,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:46:13,238 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:46:13,238 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:46:13,239 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) [2024-11-19 10:46:13,241 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-19 10:46:13,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:46:13,296 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-19 10:46:13,301 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:46:13,320 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-19 10:46:13,322 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:46:13,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1104177093] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:46:13,323 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:46:13,323 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-19 10:46:13,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041572460] [2024-11-19 10:46:13,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:46:13,332 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-19 10:46:13,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:46:13,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-19 10:46:13,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 10:46:13,373 INFO L87 Difference]: Start difference. First operand has 74 states, 41 states have (on average 1.7073170731707317) internal successors, (70), 65 states have internal predecessors, (70), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-19 10:46:13,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:46:13,405 INFO L93 Difference]: Finished difference Result 144 states and 165 transitions. [2024-11-19 10:46:13,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-19 10:46:13,407 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 26 [2024-11-19 10:46:13,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:46:13,413 INFO L225 Difference]: With dead ends: 144 [2024-11-19 10:46:13,413 INFO L226 Difference]: Without dead ends: 67 [2024-11-19 10:46:13,416 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 10:46:13,419 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:46:13,420 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:46:13,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2024-11-19 10:46:13,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2024-11-19 10:46:13,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 36 states have (on average 1.6666666666666667) internal successors, (60), 59 states have internal predecessors, (60), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-19 10:46:13,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 70 transitions. [2024-11-19 10:46:13,461 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 70 transitions. Word has length 26 [2024-11-19 10:46:13,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:46:13,462 INFO L471 AbstractCegarLoop]: Abstraction has 67 states and 70 transitions. [2024-11-19 10:46:13,462 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-19 10:46:13,462 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 70 transitions. [2024-11-19 10:46:13,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-19 10:46:13,464 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:46:13,464 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:46:13,483 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-19 10:46:13,668 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-19 10:46:13,670 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-19 10:46:13,671 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:46:13,671 INFO L85 PathProgramCache]: Analyzing trace with hash -150034342, now seen corresponding path program 1 times [2024-11-19 10:46:13,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:46:13,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1192101141] [2024-11-19 10:46:13,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:46:13,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:46:13,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:46:13,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [673385896] [2024-11-19 10:46:13,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:46:13,730 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:46:13,730 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:46:13,732 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) [2024-11-19 10:46:13,734 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-19 10:46:13,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:46:13,792 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 10:46:13,794 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:46:13,881 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-19 10:46:13,882 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:46:13,882 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:46:13,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1192101141] [2024-11-19 10:46:13,883 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:46:13,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [673385896] [2024-11-19 10:46:13,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [673385896] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:46:13,884 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:46:13,884 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:46:13,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [637958727] [2024-11-19 10:46:13,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:46:13,886 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:46:13,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:46:13,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:46:13,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:46:13,887 INFO L87 Difference]: Start difference. First operand 67 states and 70 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-19 10:46:14,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:46:14,074 INFO L93 Difference]: Finished difference Result 95 states and 111 transitions. [2024-11-19 10:46:14,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:46:14,075 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 26 [2024-11-19 10:46:14,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:46:14,076 INFO L225 Difference]: With dead ends: 95 [2024-11-19 10:46:14,077 INFO L226 Difference]: Without dead ends: 90 [2024-11-19 10:46:14,077 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:46:14,078 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 65 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 10:46:14,079 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 60 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 10:46:14,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2024-11-19 10:46:14,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 86. [2024-11-19 10:46:14,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 54 states have (on average 1.6666666666666667) internal successors, (90), 77 states have internal predecessors, (90), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-19 10:46:14,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 102 transitions. [2024-11-19 10:46:14,090 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 102 transitions. Word has length 26 [2024-11-19 10:46:14,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:46:14,092 INFO L471 AbstractCegarLoop]: Abstraction has 86 states and 102 transitions. [2024-11-19 10:46:14,092 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-19 10:46:14,092 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 102 transitions. [2024-11-19 10:46:14,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-19 10:46:14,093 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:46:14,093 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:46:14,106 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-19 10:46:14,296 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,SelfDestructingSolverStorable1 [2024-11-19 10:46:14,297 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-19 10:46:14,297 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:46:14,298 INFO L85 PathProgramCache]: Analyzing trace with hash -356097255, now seen corresponding path program 1 times [2024-11-19 10:46:14,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:46:14,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [420778794] [2024-11-19 10:46:14,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:46:14,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:46:14,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:46:14,323 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1608091899] [2024-11-19 10:46:14,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:46:14,323 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:46:14,324 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:46:14,325 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) [2024-11-19 10:46:14,328 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-19 10:46:14,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:46:14,365 INFO L255 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 10:46:14,367 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:46:14,411 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-19 10:46:14,411 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:46:14,412 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:46:14,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [420778794] [2024-11-19 10:46:14,412 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:46:14,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1608091899] [2024-11-19 10:46:14,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1608091899] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:46:14,412 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:46:14,412 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:46:14,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366479741] [2024-11-19 10:46:14,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:46:14,413 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:46:14,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:46:14,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:46:14,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:46:14,417 INFO L87 Difference]: Start difference. First operand 86 states and 102 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-19 10:46:14,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:46:14,567 INFO L93 Difference]: Finished difference Result 95 states and 106 transitions. [2024-11-19 10:46:14,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:46:14,568 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), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 27 [2024-11-19 10:46:14,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:46:14,570 INFO L225 Difference]: With dead ends: 95 [2024-11-19 10:46:14,573 INFO L226 Difference]: Without dead ends: 89 [2024-11-19 10:46:14,574 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:46:14,575 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 44 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:46:14,578 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 72 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:46:14,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2024-11-19 10:46:14,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 87. [2024-11-19 10:46:14,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 56 states have (on average 1.5535714285714286) internal successors, (87), 78 states have internal predecessors, (87), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-19 10:46:14,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 99 transitions. [2024-11-19 10:46:14,596 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 99 transitions. Word has length 27 [2024-11-19 10:46:14,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:46:14,596 INFO L471 AbstractCegarLoop]: Abstraction has 87 states and 99 transitions. [2024-11-19 10:46:14,597 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), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-19 10:46:14,597 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 99 transitions. [2024-11-19 10:46:14,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-19 10:46:14,598 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:46:14,598 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:46:14,615 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-19 10:46:14,799 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:46:14,799 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-19 10:46:14,800 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:46:14,800 INFO L85 PathProgramCache]: Analyzing trace with hash 75950110, now seen corresponding path program 1 times [2024-11-19 10:46:14,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:46:14,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037692567] [2024-11-19 10:46:14,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:46:14,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:46:14,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:46:14,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [163146983] [2024-11-19 10:46:14,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:46:14,839 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:46:14,839 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:46:14,840 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) [2024-11-19 10:46:14,841 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-19 10:46:14,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:46:14,881 INFO L255 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 10:46:14,883 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:46:14,932 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-19 10:46:14,933 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:46:14,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:46:14,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1037692567] [2024-11-19 10:46:14,933 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:46:14,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [163146983] [2024-11-19 10:46:14,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [163146983] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:46:14,934 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:46:14,934 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 10:46:14,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949704004] [2024-11-19 10:46:14,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:46:14,935 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 10:46:14,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:46:14,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 10:46:14,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:46:14,936 INFO L87 Difference]: Start difference. First operand 87 states and 99 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-19 10:46:15,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:46:15,025 INFO L93 Difference]: Finished difference Result 91 states and 99 transitions. [2024-11-19 10:46:15,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 10:46:15,027 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 30 [2024-11-19 10:46:15,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:46:15,028 INFO L225 Difference]: With dead ends: 91 [2024-11-19 10:46:15,028 INFO L226 Difference]: Without dead ends: 89 [2024-11-19 10:46:15,029 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:46:15,030 INFO L432 NwaCegarLoop]: 50 mSDtfsCounter, 16 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:46:15,030 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 75 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:46:15,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2024-11-19 10:46:15,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 87. [2024-11-19 10:46:15,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 56 states have (on average 1.5178571428571428) internal successors, (85), 78 states have internal predecessors, (85), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-19 10:46:15,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 97 transitions. [2024-11-19 10:46:15,048 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 97 transitions. Word has length 30 [2024-11-19 10:46:15,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:46:15,048 INFO L471 AbstractCegarLoop]: Abstraction has 87 states and 97 transitions. [2024-11-19 10:46:15,049 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-19 10:46:15,049 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 97 transitions. [2024-11-19 10:46:15,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-19 10:46:15,050 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:46:15,051 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:46:15,064 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-19 10:46:15,251 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:46:15,252 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-19 10:46:15,252 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:46:15,252 INFO L85 PathProgramCache]: Analyzing trace with hash -1940513827, now seen corresponding path program 1 times [2024-11-19 10:46:15,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:46:15,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532694217] [2024-11-19 10:46:15,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:46:15,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:46:15,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:46:15,553 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-19 10:46:15,554 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:46:15,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1532694217] [2024-11-19 10:46:15,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1532694217] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:46:15,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [325318016] [2024-11-19 10:46:15,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:46:15,554 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:46:15,554 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:46:15,556 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) [2024-11-19 10:46:15,558 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-19 10:46:15,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:46:15,591 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 10:46:15,593 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:46:15,646 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-19 10:46:15,647 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:46:15,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [325318016] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:46:15,652 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:46:15,652 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [6] total 7 [2024-11-19 10:46:15,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243812085] [2024-11-19 10:46:15,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:46:15,653 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 10:46:15,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:46:15,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 10:46:15,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-19 10:46:15,654 INFO L87 Difference]: Start difference. First operand 87 states and 97 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-19 10:46:15,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:46:15,850 INFO L93 Difference]: Finished difference Result 91 states and 97 transitions. [2024-11-19 10:46:15,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 10:46:15,850 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 31 [2024-11-19 10:46:15,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:46:15,851 INFO L225 Difference]: With dead ends: 91 [2024-11-19 10:46:15,852 INFO L226 Difference]: Without dead ends: 89 [2024-11-19 10:46:15,852 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-19 10:46:15,853 INFO L432 NwaCegarLoop]: 52 mSDtfsCounter, 15 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 10:46:15,853 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 77 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 10:46:15,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2024-11-19 10:46:15,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 87. [2024-11-19 10:46:15,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 56 states have (on average 1.4821428571428572) internal successors, (83), 78 states have internal predecessors, (83), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-19 10:46:15,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 95 transitions. [2024-11-19 10:46:15,861 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 95 transitions. Word has length 31 [2024-11-19 10:46:15,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:46:15,862 INFO L471 AbstractCegarLoop]: Abstraction has 87 states and 95 transitions. [2024-11-19 10:46:15,862 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-19 10:46:15,862 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 95 transitions. [2024-11-19 10:46:15,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-19 10:46:15,863 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:46:15,863 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:46:15,880 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-19 10:46:16,067 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:46:16,068 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-19 10:46:16,069 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:46:16,069 INFO L85 PathProgramCache]: Analyzing trace with hash -802581419, now seen corresponding path program 1 times [2024-11-19 10:46:16,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:46:16,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084814063] [2024-11-19 10:46:16,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:46:16,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:46:16,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:46:16,284 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-19 10:46:16,285 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:46:16,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1084814063] [2024-11-19 10:46:16,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1084814063] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:46:16,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1122558494] [2024-11-19 10:46:16,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:46:16,285 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:46:16,285 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:46:16,287 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) [2024-11-19 10:46:16,289 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-19 10:46:16,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:46:16,327 INFO L255 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-19 10:46:16,329 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:46:16,384 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-19 10:46:16,385 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:46:16,484 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-19 10:46:16,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1122558494] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:46:16,485 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:46:16,485 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-11-19 10:46:16,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026443762] [2024-11-19 10:46:16,485 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:46:16,486 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-19 10:46:16,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:46:16,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-19 10:46:16,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-19 10:46:16,488 INFO L87 Difference]: Start difference. First operand 87 states and 95 transitions. Second operand has 8 states, 7 states have (on average 7.285714285714286) internal successors, (51), 8 states have internal predecessors, (51), 4 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) [2024-11-19 10:46:16,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:46:16,660 INFO L93 Difference]: Finished difference Result 87 states and 95 transitions. [2024-11-19 10:46:16,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 10:46:16,661 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 7.285714285714286) internal successors, (51), 8 states have internal predecessors, (51), 4 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) Word has length 40 [2024-11-19 10:46:16,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:46:16,662 INFO L225 Difference]: With dead ends: 87 [2024-11-19 10:46:16,662 INFO L226 Difference]: Without dead ends: 86 [2024-11-19 10:46:16,663 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-19 10:46:16,663 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 28 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 211 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 211 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 10:46:16,664 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 132 Invalid, 211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 211 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 10:46:16,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2024-11-19 10:46:16,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2024-11-19 10:46:16,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 56 states have (on average 1.4464285714285714) internal successors, (81), 77 states have internal predecessors, (81), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-19 10:46:16,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 93 transitions. [2024-11-19 10:46:16,674 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 93 transitions. Word has length 40 [2024-11-19 10:46:16,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:46:16,675 INFO L471 AbstractCegarLoop]: Abstraction has 86 states and 93 transitions. [2024-11-19 10:46:16,675 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 7.285714285714286) internal successors, (51), 8 states have internal predecessors, (51), 4 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) [2024-11-19 10:46:16,675 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 93 transitions. [2024-11-19 10:46:16,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-19 10:46:16,676 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:46:16,676 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:46:16,691 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-19 10:46:16,876 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:46:16,877 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-19 10:46:16,877 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:46:16,877 INFO L85 PathProgramCache]: Analyzing trace with hash -802581376, now seen corresponding path program 1 times [2024-11-19 10:46:16,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:46:16,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528710133] [2024-11-19 10:46:16,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:46:16,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:46:16,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:46:16,918 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-19 10:46:16,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:46:16,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528710133] [2024-11-19 10:46:16,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [528710133] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:46:16,919 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:46:16,919 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 10:46:16,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960730315] [2024-11-19 10:46:16,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:46:16,920 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 10:46:16,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:46:16,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 10:46:16,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:46:16,920 INFO L87 Difference]: Start difference. First operand 86 states and 93 transitions. Second operand has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-19 10:46:16,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:46:16,939 INFO L93 Difference]: Finished difference Result 88 states and 93 transitions. [2024-11-19 10:46:16,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 10:46:16,940 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 40 [2024-11-19 10:46:16,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:46:16,941 INFO L225 Difference]: With dead ends: 88 [2024-11-19 10:46:16,941 INFO L226 Difference]: Without dead ends: 86 [2024-11-19 10:46:16,942 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:46:16,942 INFO L432 NwaCegarLoop]: 64 mSDtfsCounter, 1 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 124 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 [2024-11-19 10:46:16,943 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 124 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:46:16,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2024-11-19 10:46:16,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2024-11-19 10:46:16,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 56 states have (on average 1.4107142857142858) internal successors, (79), 77 states have internal predecessors, (79), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-19 10:46:16,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 91 transitions. [2024-11-19 10:46:16,958 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 91 transitions. Word has length 40 [2024-11-19 10:46:16,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:46:16,958 INFO L471 AbstractCegarLoop]: Abstraction has 86 states and 91 transitions. [2024-11-19 10:46:16,958 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-19 10:46:16,958 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 91 transitions. [2024-11-19 10:46:16,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-19 10:46:16,961 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:46:16,961 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:46:16,962 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-19 10:46:16,962 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-19 10:46:16,962 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:46:16,962 INFO L85 PathProgramCache]: Analyzing trace with hash -1105682215, now seen corresponding path program 1 times [2024-11-19 10:46:16,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:46:16,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [992945502] [2024-11-19 10:46:16,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:46:16,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:46:16,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:46:17,083 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-19 10:46:17,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:46:17,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [992945502] [2024-11-19 10:46:17,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [992945502] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:46:17,084 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:46:17,084 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 10:46:17,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757803705] [2024-11-19 10:46:17,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:46:17,084 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 10:46:17,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:46:17,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 10:46:17,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-19 10:46:17,085 INFO L87 Difference]: Start difference. First operand 86 states and 91 transitions. Second operand has 5 states, 4 states have (on average 6.25) internal successors, (25), 5 states have internal predecessors, (25), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-19 10:46:17,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:46:17,352 INFO L93 Difference]: Finished difference Result 115 states and 136 transitions. [2024-11-19 10:46:17,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 10:46:17,353 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.25) internal successors, (25), 5 states have internal predecessors, (25), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 44 [2024-11-19 10:46:17,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:46:17,354 INFO L225 Difference]: With dead ends: 115 [2024-11-19 10:46:17,354 INFO L226 Difference]: Without dead ends: 114 [2024-11-19 10:46:17,354 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-19 10:46:17,354 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 34 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-19 10:46:17,355 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 100 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-19 10:46:17,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2024-11-19 10:46:17,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 87. [2024-11-19 10:46:17,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 57 states have (on average 1.4035087719298245) internal successors, (80), 78 states have internal predecessors, (80), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-19 10:46:17,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 92 transitions. [2024-11-19 10:46:17,368 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 92 transitions. Word has length 44 [2024-11-19 10:46:17,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:46:17,368 INFO L471 AbstractCegarLoop]: Abstraction has 87 states and 92 transitions. [2024-11-19 10:46:17,368 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.25) internal successors, (25), 5 states have internal predecessors, (25), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-19 10:46:17,369 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 92 transitions. [2024-11-19 10:46:17,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-19 10:46:17,370 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:46:17,370 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:46:17,370 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-19 10:46:17,370 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-19 10:46:17,371 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:46:17,371 INFO L85 PathProgramCache]: Analyzing trace with hash 83589803, now seen corresponding path program 1 times [2024-11-19 10:46:17,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:46:17,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093994722] [2024-11-19 10:46:17,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:46:17,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:46:17,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:46:17,453 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-19 10:46:17,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:46:17,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2093994722] [2024-11-19 10:46:17,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2093994722] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:46:17,453 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:46:17,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 10:46:17,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1016071357] [2024-11-19 10:46:17,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:46:17,454 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 10:46:17,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:46:17,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 10:46:17,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-19 10:46:17,455 INFO L87 Difference]: Start difference. First operand 87 states and 92 transitions. Second operand has 5 states, 4 states have (on average 6.5) internal successors, (26), 5 states have internal predecessors, (26), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-19 10:46:17,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:46:17,656 INFO L93 Difference]: Finished difference Result 89 states and 94 transitions. [2024-11-19 10:46:17,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 10:46:17,656 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.5) internal successors, (26), 5 states have internal predecessors, (26), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 45 [2024-11-19 10:46:17,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:46:17,658 INFO L225 Difference]: With dead ends: 89 [2024-11-19 10:46:17,658 INFO L226 Difference]: Without dead ends: 88 [2024-11-19 10:46:17,659 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-19 10:46:17,659 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 8 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 10:46:17,660 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 134 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 10:46:17,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2024-11-19 10:46:17,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2024-11-19 10:46:17,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 58 states have (on average 1.396551724137931) internal successors, (81), 79 states have internal predecessors, (81), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-19 10:46:17,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 93 transitions. [2024-11-19 10:46:17,670 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 93 transitions. Word has length 45 [2024-11-19 10:46:17,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:46:17,670 INFO L471 AbstractCegarLoop]: Abstraction has 88 states and 93 transitions. [2024-11-19 10:46:17,671 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.5) internal successors, (26), 5 states have internal predecessors, (26), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-19 10:46:17,671 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 93 transitions. [2024-11-19 10:46:17,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-19 10:46:17,671 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:46:17,671 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:46:17,672 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-19 10:46:17,672 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-19 10:46:17,672 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:46:17,672 INFO L85 PathProgramCache]: Analyzing trace with hash -1703683301, now seen corresponding path program 1 times [2024-11-19 10:46:17,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:46:17,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886940287] [2024-11-19 10:46:17,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:46:17,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:46:17,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:46:17,761 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-19 10:46:17,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:46:17,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1886940287] [2024-11-19 10:46:17,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1886940287] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:46:17,762 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:46:17,762 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:46:17,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623952377] [2024-11-19 10:46:17,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:46:17,763 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:46:17,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:46:17,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:46:17,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:46:17,764 INFO L87 Difference]: Start difference. First operand 88 states and 93 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-19 10:46:18,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:46:18,055 INFO L93 Difference]: Finished difference Result 88 states and 93 transitions. [2024-11-19 10:46:18,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:46:18,055 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 46 [2024-11-19 10:46:18,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:46:18,056 INFO L225 Difference]: With dead ends: 88 [2024-11-19 10:46:18,056 INFO L226 Difference]: Without dead ends: 86 [2024-11-19 10:46:18,056 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:46:18,057 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 14 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-19 10:46:18,058 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 78 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-19 10:46:18,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2024-11-19 10:46:18,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2024-11-19 10:46:18,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 58 states have (on average 1.3620689655172413) internal successors, (79), 77 states have internal predecessors, (79), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-19 10:46:18,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 91 transitions. [2024-11-19 10:46:18,066 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 91 transitions. Word has length 46 [2024-11-19 10:46:18,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:46:18,066 INFO L471 AbstractCegarLoop]: Abstraction has 86 states and 91 transitions. [2024-11-19 10:46:18,066 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-19 10:46:18,066 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 91 transitions. [2024-11-19 10:46:18,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-19 10:46:18,067 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:46:18,067 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:46:18,067 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-19 10:46:18,067 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-19 10:46:18,068 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:46:18,068 INFO L85 PathProgramCache]: Analyzing trace with hash 1537150950, now seen corresponding path program 1 times [2024-11-19 10:46:18,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:46:18,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [621214275] [2024-11-19 10:46:18,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:46:18,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:46:18,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:46:18,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [328310869] [2024-11-19 10:46:18,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:46:18,084 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:46:18,084 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:46:18,086 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) [2024-11-19 10:46:18,087 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-19 10:46:18,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:46:18,133 INFO L255 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-19 10:46:18,135 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:46:18,333 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-19 10:46:18,333 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:46:18,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:46:18,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [621214275] [2024-11-19 10:46:18,449 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:46:18,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [328310869] [2024-11-19 10:46:18,449 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [328310869] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:46:18,449 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:46:18,449 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-19 10:46:18,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198895746] [2024-11-19 10:46:18,450 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-19 10:46:18,450 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 10:46:18,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:46:18,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 10:46:18,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-19 10:46:18,451 INFO L87 Difference]: Start difference. First operand 86 states and 91 transitions. Second operand has 7 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2024-11-19 10:46:18,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:46:18,589 INFO L93 Difference]: Finished difference Result 86 states and 91 transitions. [2024-11-19 10:46:18,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-19 10:46:18,589 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) Word has length 46 [2024-11-19 10:46:18,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:46:18,590 INFO L225 Difference]: With dead ends: 86 [2024-11-19 10:46:18,590 INFO L226 Difference]: Without dead ends: 85 [2024-11-19 10:46:18,591 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-19 10:46:18,591 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 7 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 181 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:46:18,592 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 121 Invalid, 182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 181 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:46:18,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2024-11-19 10:46:18,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2024-11-19 10:46:18,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 58 states have (on average 1.3448275862068966) internal successors, (78), 76 states have internal predecessors, (78), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-19 10:46:18,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 90 transitions. [2024-11-19 10:46:18,597 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 90 transitions. Word has length 46 [2024-11-19 10:46:18,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:46:18,597 INFO L471 AbstractCegarLoop]: Abstraction has 85 states and 90 transitions. [2024-11-19 10:46:18,597 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2024-11-19 10:46:18,598 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 90 transitions. [2024-11-19 10:46:18,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-19 10:46:18,598 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:46:18,598 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:46:18,615 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-19 10:46:18,802 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:46:18,803 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-19 10:46:18,803 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:46:18,803 INFO L85 PathProgramCache]: Analyzing trace with hash -1274574675, now seen corresponding path program 1 times [2024-11-19 10:46:18,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:46:18,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [286637547] [2024-11-19 10:46:18,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:46:18,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:46:18,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:46:18,898 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-19 10:46:18,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:46:18,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [286637547] [2024-11-19 10:46:18,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [286637547] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:46:18,899 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:46:18,899 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:46:18,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753725571] [2024-11-19 10:46:18,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:46:18,900 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:46:18,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:46:18,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:46:18,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:46:18,901 INFO L87 Difference]: Start difference. First operand 85 states and 90 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-19 10:46:19,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:46:19,177 INFO L93 Difference]: Finished difference Result 85 states and 90 transitions. [2024-11-19 10:46:19,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:46:19,178 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 47 [2024-11-19 10:46:19,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:46:19,179 INFO L225 Difference]: With dead ends: 85 [2024-11-19 10:46:19,179 INFO L226 Difference]: Without dead ends: 76 [2024-11-19 10:46:19,179 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:46:19,180 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 16 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-19 10:46:19,180 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 79 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-19 10:46:19,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2024-11-19 10:46:19,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2024-11-19 10:46:19,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 50 states have (on average 1.36) internal successors, (68), 67 states have internal predecessors, (68), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-19 10:46:19,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 80 transitions. [2024-11-19 10:46:19,189 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 80 transitions. Word has length 47 [2024-11-19 10:46:19,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:46:19,189 INFO L471 AbstractCegarLoop]: Abstraction has 76 states and 80 transitions. [2024-11-19 10:46:19,189 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-19 10:46:19,189 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 80 transitions. [2024-11-19 10:46:19,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-19 10:46:19,191 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:46:19,191 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:46:19,191 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-19 10:46:19,192 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-19 10:46:19,192 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:46:19,192 INFO L85 PathProgramCache]: Analyzing trace with hash 407039279, now seen corresponding path program 1 times [2024-11-19 10:46:19,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:46:19,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1710773434] [2024-11-19 10:46:19,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:46:19,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:46:19,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:46:19,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1778287377] [2024-11-19 10:46:19,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:46:19,205 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:46:19,205 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:46:19,209 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) [2024-11-19 10:46:19,210 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-19 10:46:19,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:46:19,254 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-19 10:46:19,255 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:46:19,432 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-19 10:46:19,432 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:46:20,008 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:46:20,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1710773434] [2024-11-19 10:46:20,008 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:46:20,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1778287377] [2024-11-19 10:46:20,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1778287377] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:46:20,009 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:46:20,009 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-19 10:46:20,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189868452] [2024-11-19 10:46:20,009 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-19 10:46:20,009 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 10:46:20,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:46:20,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 10:46:20,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-19 10:46:20,010 INFO L87 Difference]: Start difference. First operand 76 states and 80 transitions. Second operand has 7 states, 6 states have (on average 5.166666666666667) internal successors, (31), 6 states have internal predecessors, (31), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2024-11-19 10:46:20,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:46:20,170 INFO L93 Difference]: Finished difference Result 79 states and 83 transitions. [2024-11-19 10:46:20,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-19 10:46:20,171 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.166666666666667) internal successors, (31), 6 states have internal predecessors, (31), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) Word has length 47 [2024-11-19 10:46:20,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:46:20,171 INFO L225 Difference]: With dead ends: 79 [2024-11-19 10:46:20,171 INFO L226 Difference]: Without dead ends: 78 [2024-11-19 10:46:20,172 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-19 10:46:20,172 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 25 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 197 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 197 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:46:20,172 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 112 Invalid, 197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 197 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:46:20,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2024-11-19 10:46:20,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2024-11-19 10:46:20,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 52 states have (on average 1.3461538461538463) internal successors, (70), 69 states have internal predecessors, (70), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-19 10:46:20,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 82 transitions. [2024-11-19 10:46:20,177 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 82 transitions. Word has length 47 [2024-11-19 10:46:20,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:46:20,178 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 82 transitions. [2024-11-19 10:46:20,178 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.166666666666667) internal successors, (31), 6 states have internal predecessors, (31), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2024-11-19 10:46:20,178 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 82 transitions. [2024-11-19 10:46:20,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-19 10:46:20,179 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:46:20,179 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:46:20,196 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-19 10:46:20,379 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,SelfDestructingSolverStorable12 [2024-11-19 10:46:20,380 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-19 10:46:20,380 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:46:20,380 INFO L85 PathProgramCache]: Analyzing trace with hash 322724689, now seen corresponding path program 1 times [2024-11-19 10:46:20,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:46:20,380 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148425777] [2024-11-19 10:46:20,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:46:20,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:46:20,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:46:20,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1065152540] [2024-11-19 10:46:20,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:46:20,392 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:46:20,393 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:46:20,394 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) [2024-11-19 10:46:20,399 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-19 10:46:20,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:46:20,442 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-19 10:46:20,444 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:46:20,628 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 3 proven. 11 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-19 10:46:20,628 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:46:20,750 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:46:20,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1148425777] [2024-11-19 10:46:20,750 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:46:20,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1065152540] [2024-11-19 10:46:20,750 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1065152540] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:46:20,750 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:46:20,750 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-19 10:46:20,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009292904] [2024-11-19 10:46:20,751 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-19 10:46:20,751 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-19 10:46:20,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:46:20,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-19 10:46:20,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-11-19 10:46:20,752 INFO L87 Difference]: Start difference. First operand 78 states and 82 transitions. Second operand has 8 states, 7 states have (on average 4.714285714285714) internal successors, (33), 7 states have internal predecessors, (33), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2024-11-19 10:46:20,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:46:20,921 INFO L93 Difference]: Finished difference Result 78 states and 82 transitions. [2024-11-19 10:46:20,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-19 10:46:20,922 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 4.714285714285714) internal successors, (33), 7 states have internal predecessors, (33), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) Word has length 49 [2024-11-19 10:46:20,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:46:20,923 INFO L225 Difference]: With dead ends: 78 [2024-11-19 10:46:20,923 INFO L226 Difference]: Without dead ends: 73 [2024-11-19 10:46:20,923 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-11-19 10:46:20,924 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 41 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 205 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 205 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:46:20,924 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 121 Invalid, 211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 205 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:46:20,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2024-11-19 10:46:20,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2024-11-19 10:46:20,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 52 states have (on average 1.25) internal successors, (65), 64 states have internal predecessors, (65), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-19 10:46:20,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 77 transitions. [2024-11-19 10:46:20,929 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 77 transitions. Word has length 49 [2024-11-19 10:46:20,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:46:20,929 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 77 transitions. [2024-11-19 10:46:20,929 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 4.714285714285714) internal successors, (33), 7 states have internal predecessors, (33), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2024-11-19 10:46:20,929 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 77 transitions. [2024-11-19 10:46:20,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-19 10:46:20,930 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:46:20,930 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:46:20,948 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-19 10:46:21,134 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,SelfDestructingSolverStorable13 [2024-11-19 10:46:21,135 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-19 10:46:21,135 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:46:21,135 INFO L85 PathProgramCache]: Analyzing trace with hash 1414530818, now seen corresponding path program 1 times [2024-11-19 10:46:21,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:46:21,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1629674938] [2024-11-19 10:46:21,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:46:21,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:46:21,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:46:21,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1074972105] [2024-11-19 10:46:21,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:46:21,146 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:46:21,147 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:46:21,148 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) [2024-11-19 10:46:21,150 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-19 10:46:21,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:46:21,194 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-19 10:46:21,196 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:46:21,355 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-19 10:46:21,356 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:46:21,971 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:46:21,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1629674938] [2024-11-19 10:46:21,972 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:46:21,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1074972105] [2024-11-19 10:46:21,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1074972105] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:46:21,972 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:46:21,972 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-19 10:46:21,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364380160] [2024-11-19 10:46:21,973 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-19 10:46:21,974 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-19 10:46:21,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:46:21,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-19 10:46:21,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-11-19 10:46:21,975 INFO L87 Difference]: Start difference. First operand 73 states and 77 transitions. Second operand has 8 states, 7 states have (on average 4.857142857142857) internal successors, (34), 7 states have internal predecessors, (34), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2024-11-19 10:46:22,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:46:22,134 INFO L93 Difference]: Finished difference Result 101 states and 110 transitions. [2024-11-19 10:46:22,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-19 10:46:22,134 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 4.857142857142857) internal successors, (34), 7 states have internal predecessors, (34), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) Word has length 50 [2024-11-19 10:46:22,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:46:22,135 INFO L225 Difference]: With dead ends: 101 [2024-11-19 10:46:22,135 INFO L226 Difference]: Without dead ends: 96 [2024-11-19 10:46:22,135 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-11-19 10:46:22,136 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 63 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 171 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:46:22,136 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 104 Invalid, 176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:46:22,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2024-11-19 10:46:22,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 94. [2024-11-19 10:46:22,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 72 states have (on average 1.2638888888888888) internal successors, (91), 84 states have internal predecessors, (91), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-19 10:46:22,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 105 transitions. [2024-11-19 10:46:22,144 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 105 transitions. Word has length 50 [2024-11-19 10:46:22,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:46:22,144 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 105 transitions. [2024-11-19 10:46:22,144 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 4.857142857142857) internal successors, (34), 7 states have internal predecessors, (34), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2024-11-19 10:46:22,144 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 105 transitions. [2024-11-19 10:46:22,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-19 10:46:22,145 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:46:22,145 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:46:22,162 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-19 10:46:22,346 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,SelfDestructingSolverStorable14 [2024-11-19 10:46:22,346 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-19 10:46:22,347 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:46:22,347 INFO L85 PathProgramCache]: Analyzing trace with hash -1931456619, now seen corresponding path program 1 times [2024-11-19 10:46:22,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:46:22,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651788851] [2024-11-19 10:46:22,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:46:22,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:46:22,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:46:22,359 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1578288779] [2024-11-19 10:46:22,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:46:22,360 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:46:22,360 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:46:22,362 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) [2024-11-19 10:46:22,363 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-19 10:46:22,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:46:22,405 INFO L255 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-19 10:46:22,406 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:46:22,513 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-19 10:46:22,513 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:46:23,419 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-19 10:46:23,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:46:23,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [651788851] [2024-11-19 10:46:23,419 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:46:23,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1578288779] [2024-11-19 10:46:23,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1578288779] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:46:23,419 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-19 10:46:23,419 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2024-11-19 10:46:23,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38038665] [2024-11-19 10:46:23,420 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-19 10:46:23,420 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-19 10:46:23,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:46:23,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-19 10:46:23,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-19 10:46:23,421 INFO L87 Difference]: Start difference. First operand 94 states and 105 transitions. Second operand has 8 states, 7 states have (on average 8.428571428571429) internal successors, (59), 8 states have internal predecessors, (59), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-19 10:46:24,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:46:24,209 INFO L93 Difference]: Finished difference Result 107 states and 117 transitions. [2024-11-19 10:46:24,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-19 10:46:24,210 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 8.428571428571429) internal successors, (59), 8 states have internal predecessors, (59), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 53 [2024-11-19 10:46:24,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:46:24,211 INFO L225 Difference]: With dead ends: 107 [2024-11-19 10:46:24,211 INFO L226 Difference]: Without dead ends: 104 [2024-11-19 10:46:24,211 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-19 10:46:24,212 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 49 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-19 10:46:24,212 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 142 Invalid, 198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 193 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-19 10:46:24,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2024-11-19 10:46:24,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 102. [2024-11-19 10:46:24,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 80 states have (on average 1.2375) internal successors, (99), 92 states have internal predecessors, (99), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-19 10:46:24,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 113 transitions. [2024-11-19 10:46:24,218 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 113 transitions. Word has length 53 [2024-11-19 10:46:24,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:46:24,218 INFO L471 AbstractCegarLoop]: Abstraction has 102 states and 113 transitions. [2024-11-19 10:46:24,218 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 8.428571428571429) internal successors, (59), 8 states have internal predecessors, (59), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-19 10:46:24,218 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 113 transitions. [2024-11-19 10:46:24,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-19 10:46:24,219 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:46:24,219 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:46:24,236 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-19 10:46:24,423 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,SelfDestructingSolverStorable15 [2024-11-19 10:46:24,424 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-19 10:46:24,424 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:46:24,424 INFO L85 PathProgramCache]: Analyzing trace with hash -1216523465, now seen corresponding path program 1 times [2024-11-19 10:46:24,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:46:24,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677078518] [2024-11-19 10:46:24,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:46:24,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:46:24,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:46:24,488 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-19 10:46:24,488 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:46:24,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677078518] [2024-11-19 10:46:24,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1677078518] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:46:24,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1552934415] [2024-11-19 10:46:24,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:46:24,488 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:46:24,489 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:46:24,491 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) [2024-11-19 10:46:24,507 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-19 10:46:24,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:46:24,549 INFO L255 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-19 10:46:24,550 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:46:24,598 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-19 10:46:24,598 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:46:24,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1552934415] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:46:24,598 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:46:24,599 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-11-19 10:46:24,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348406317] [2024-11-19 10:46:24,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:46:24,599 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:46:24,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:46:24,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:46:24,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 10:46:24,600 INFO L87 Difference]: Start difference. First operand 102 states and 113 transitions. Second operand has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-19 10:46:24,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:46:24,620 INFO L93 Difference]: Finished difference Result 102 states and 113 transitions. [2024-11-19 10:46:24,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:46:24,620 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 63 [2024-11-19 10:46:24,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:46:24,621 INFO L225 Difference]: With dead ends: 102 [2024-11-19 10:46:24,621 INFO L226 Difference]: Without dead ends: 101 [2024-11-19 10:46:24,621 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 10:46:24,622 INFO L432 NwaCegarLoop]: 62 mSDtfsCounter, 17 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:46:24,622 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 97 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:46:24,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2024-11-19 10:46:24,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2024-11-19 10:46:24,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 80 states have (on average 1.2125) internal successors, (97), 91 states have internal predecessors, (97), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-19 10:46:24,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 111 transitions. [2024-11-19 10:46:24,632 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 111 transitions. Word has length 63 [2024-11-19 10:46:24,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:46:24,632 INFO L471 AbstractCegarLoop]: Abstraction has 101 states and 111 transitions. [2024-11-19 10:46:24,632 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-19 10:46:24,632 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 111 transitions. [2024-11-19 10:46:24,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-19 10:46:24,633 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:46:24,633 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:46:24,650 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-11-19 10:46:24,837 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,SelfDestructingSolverStorable16 [2024-11-19 10:46:24,838 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-19 10:46:24,838 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:46:24,838 INFO L85 PathProgramCache]: Analyzing trace with hash 942478322, now seen corresponding path program 1 times [2024-11-19 10:46:24,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:46:24,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569440655] [2024-11-19 10:46:24,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:46:24,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:46:24,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:46:24,907 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-19 10:46:24,907 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:46:24,908 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1569440655] [2024-11-19 10:46:24,908 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1569440655] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:46:24,908 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1342346008] [2024-11-19 10:46:24,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:46:24,908 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:46:24,908 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:46:24,910 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) [2024-11-19 10:46:24,911 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-19 10:46:24,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:46:24,952 INFO L255 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-19 10:46:24,954 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:46:24,997 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-19 10:46:24,997 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:46:25,062 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-19 10:46:25,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1342346008] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:46:25,063 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:46:25,063 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-11-19 10:46:25,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942628146] [2024-11-19 10:46:25,063 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:46:25,063 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 10:46:25,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:46:25,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 10:46:25,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-19 10:46:25,064 INFO L87 Difference]: Start difference. First operand 101 states and 111 transitions. Second operand has 7 states, 6 states have (on average 14.0) internal successors, (84), 7 states have internal predecessors, (84), 6 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 6 states have call predecessors, (9), 6 states have call successors, (9) [2024-11-19 10:46:25,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:46:25,102 INFO L93 Difference]: Finished difference Result 141 states and 153 transitions. [2024-11-19 10:46:25,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 10:46:25,103 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 14.0) internal successors, (84), 7 states have internal predecessors, (84), 6 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 6 states have call predecessors, (9), 6 states have call successors, (9) Word has length 64 [2024-11-19 10:46:25,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:46:25,104 INFO L225 Difference]: With dead ends: 141 [2024-11-19 10:46:25,104 INFO L226 Difference]: Without dead ends: 140 [2024-11-19 10:46:25,104 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-19 10:46:25,105 INFO L432 NwaCegarLoop]: 52 mSDtfsCounter, 19 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 189 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:46:25,105 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 189 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:46:25,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2024-11-19 10:46:25,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 127. [2024-11-19 10:46:25,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 104 states have (on average 1.2692307692307692) internal successors, (132), 115 states have internal predecessors, (132), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-19 10:46:25,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 150 transitions. [2024-11-19 10:46:25,113 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 150 transitions. Word has length 64 [2024-11-19 10:46:25,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:46:25,114 INFO L471 AbstractCegarLoop]: Abstraction has 127 states and 150 transitions. [2024-11-19 10:46:25,114 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 14.0) internal successors, (84), 7 states have internal predecessors, (84), 6 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 6 states have call predecessors, (9), 6 states have call successors, (9) [2024-11-19 10:46:25,114 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 150 transitions. [2024-11-19 10:46:25,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-19 10:46:25,115 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:46:25,115 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:46:25,131 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-19 10:46:25,315 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-19 10:46:25,316 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-19 10:46:25,316 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:46:25,316 INFO L85 PathProgramCache]: Analyzing trace with hash 1131424784, now seen corresponding path program 1 times [2024-11-19 10:46:25,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:46:25,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460073913] [2024-11-19 10:46:25,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:46:25,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:46:25,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:46:25,376 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-19 10:46:25,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:46:25,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1460073913] [2024-11-19 10:46:25,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1460073913] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:46:25,377 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:46:25,377 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:46:25,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314802657] [2024-11-19 10:46:25,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:46:25,377 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:46:25,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:46:25,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:46:25,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:46:25,378 INFO L87 Difference]: Start difference. First operand 127 states and 150 transitions. Second operand has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-19 10:46:25,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:46:25,657 INFO L93 Difference]: Finished difference Result 127 states and 150 transitions. [2024-11-19 10:46:25,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 10:46:25,657 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 67 [2024-11-19 10:46:25,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:46:25,658 INFO L225 Difference]: With dead ends: 127 [2024-11-19 10:46:25,658 INFO L226 Difference]: Without dead ends: 126 [2024-11-19 10:46:25,658 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 10:46:25,659 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 29 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-19 10:46:25,659 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 74 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-19 10:46:25,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2024-11-19 10:46:25,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2024-11-19 10:46:25,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 104 states have (on average 1.2596153846153846) internal successors, (131), 114 states have internal predecessors, (131), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-19 10:46:25,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 149 transitions. [2024-11-19 10:46:25,666 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 149 transitions. Word has length 67 [2024-11-19 10:46:25,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:46:25,667 INFO L471 AbstractCegarLoop]: Abstraction has 126 states and 149 transitions. [2024-11-19 10:46:25,667 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-19 10:46:25,667 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 149 transitions. [2024-11-19 10:46:25,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-19 10:46:25,668 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:46:25,668 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:46:25,668 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-19 10:46:25,668 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-19 10:46:25,668 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:46:25,669 INFO L85 PathProgramCache]: Analyzing trace with hash 714430036, now seen corresponding path program 1 times [2024-11-19 10:46:25,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:46:25,669 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209400751] [2024-11-19 10:46:25,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:46:25,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:46:25,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:46:25,918 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-19 10:46:25,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:46:25,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [209400751] [2024-11-19 10:46:25,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [209400751] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:46:25,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1967970659] [2024-11-19 10:46:25,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:46:25,919 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:46:25,919 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:46:25,921 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) [2024-11-19 10:46:25,923 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-19 10:46:25,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:46:25,967 INFO L255 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-19 10:46:25,968 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:46:29,481 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-19 10:46:29,481 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:46:29,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1967970659] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:46:29,481 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:46:29,481 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [11] total 13 [2024-11-19 10:46:29,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382948631] [2024-11-19 10:46:29,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:46:29,482 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 10:46:29,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:46:29,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 10:46:29,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2024-11-19 10:46:29,483 INFO L87 Difference]: Start difference. First operand 126 states and 149 transitions. Second operand has 7 states, 6 states have (on average 7.833333333333333) internal successors, (47), 7 states have internal predecessors, (47), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-19 10:46:33,584 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-19 10:46:37,795 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-19 10:46:39,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:46:39,003 INFO L93 Difference]: Finished difference Result 126 states and 149 transitions. [2024-11-19 10:46:39,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-19 10:46:39,003 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.833333333333333) internal successors, (47), 7 states have internal predecessors, (47), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 68 [2024-11-19 10:46:39,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:46:39,004 INFO L225 Difference]: With dead ends: 126 [2024-11-19 10:46:39,004 INFO L226 Difference]: Without dead ends: 114 [2024-11-19 10:46:39,005 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 66 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2024-11-19 10:46:39,005 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 35 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 223 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 223 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.4s IncrementalHoareTripleChecker+Time [2024-11-19 10:46:39,005 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 154 Invalid, 227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 223 Invalid, 2 Unknown, 0 Unchecked, 9.4s Time] [2024-11-19 10:46:39,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2024-11-19 10:46:39,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2024-11-19 10:46:39,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 94 states have (on average 1.2340425531914894) internal successors, (116), 102 states have internal predecessors, (116), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-19 10:46:39,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 134 transitions. [2024-11-19 10:46:39,013 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 134 transitions. Word has length 68 [2024-11-19 10:46:39,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:46:39,014 INFO L471 AbstractCegarLoop]: Abstraction has 114 states and 134 transitions. [2024-11-19 10:46:39,014 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.833333333333333) internal successors, (47), 7 states have internal predecessors, (47), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-19 10:46:39,014 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 134 transitions. [2024-11-19 10:46:39,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-19 10:46:39,014 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:46:39,015 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1] [2024-11-19 10:46:39,031 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-11-19 10:46:39,215 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 [2024-11-19 10:46:39,216 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-19 10:46:39,217 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:46:39,218 INFO L85 PathProgramCache]: Analyzing trace with hash 1054114456, now seen corresponding path program 1 times [2024-11-19 10:46:39,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:46:39,218 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682961389] [2024-11-19 10:46:39,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:46:39,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:46:39,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:46:39,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [123172188] [2024-11-19 10:46:39,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:46:39,235 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:46:39,235 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:46:39,236 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) [2024-11-19 10:46:39,238 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-19 10:46:39,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:46:39,292 INFO L255 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-19 10:46:39,293 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:46:39,573 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 6 proven. 28 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-19 10:46:39,573 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:46:45,040 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 3 proven. 28 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-19 10:46:45,040 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:46:45,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [682961389] [2024-11-19 10:46:45,040 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:46:45,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [123172188] [2024-11-19 10:46:45,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [123172188] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:46:45,041 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-19 10:46:45,041 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 16 [2024-11-19 10:46:45,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494324588] [2024-11-19 10:46:45,041 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-19 10:46:45,042 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-19 10:46:45,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:46:45,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-19 10:46:45,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=219, Unknown=1, NotChecked=0, Total=272 [2024-11-19 10:46:45,043 INFO L87 Difference]: Start difference. First operand 114 states and 134 transitions. Second operand has 17 states, 16 states have (on average 5.875) internal successors, (94), 16 states have internal predecessors, (94), 8 states have call successors, (11), 1 states have call predecessors, (11), 3 states have return successors, (12), 7 states have call predecessors, (12), 8 states have call successors, (12) [2024-11-19 10:46:48,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:46:48,343 INFO L93 Difference]: Finished difference Result 122 states and 143 transitions. [2024-11-19 10:46:48,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-19 10:46:48,343 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 5.875) internal successors, (94), 16 states have internal predecessors, (94), 8 states have call successors, (11), 1 states have call predecessors, (11), 3 states have return successors, (12), 7 states have call predecessors, (12), 8 states have call successors, (12) Word has length 70 [2024-11-19 10:46:48,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:46:48,344 INFO L225 Difference]: With dead ends: 122 [2024-11-19 10:46:48,344 INFO L226 Difference]: Without dead ends: 120 [2024-11-19 10:46:48,345 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=142, Invalid=457, Unknown=1, NotChecked=0, Total=600 [2024-11-19 10:46:48,345 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 212 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 517 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 214 SdHoareTripleChecker+Valid, 216 SdHoareTripleChecker+Invalid, 533 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 517 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-11-19 10:46:48,345 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [214 Valid, 216 Invalid, 533 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 517 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-11-19 10:46:48,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2024-11-19 10:46:48,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2024-11-19 10:46:48,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 100 states have (on average 1.2) internal successors, (120), 108 states have internal predecessors, (120), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-19 10:46:48,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 138 transitions. [2024-11-19 10:46:48,353 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 138 transitions. Word has length 70 [2024-11-19 10:46:48,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:46:48,354 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 138 transitions. [2024-11-19 10:46:48,354 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 5.875) internal successors, (94), 16 states have internal predecessors, (94), 8 states have call successors, (11), 1 states have call predecessors, (11), 3 states have return successors, (12), 7 states have call predecessors, (12), 8 states have call successors, (12) [2024-11-19 10:46:48,354 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 138 transitions. [2024-11-19 10:46:48,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-19 10:46:48,354 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:46:48,355 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1] [2024-11-19 10:46:48,369 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-19 10:46:48,558 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 [2024-11-19 10:46:48,559 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-19 10:46:48,559 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:46:48,559 INFO L85 PathProgramCache]: Analyzing trace with hash -1677062919, now seen corresponding path program 2 times [2024-11-19 10:46:48,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:46:48,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1020257291] [2024-11-19 10:46:48,559 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:46:48,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:46:48,572 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 10:46:48,573 INFO L228 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-19 10:46:48,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1599172971] [2024-11-19 10:46:48,574 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:46:48,574 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:46:48,574 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:46:48,576 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) [2024-11-19 10:46:48,577 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-19 10:46:48,668 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 10:46:48,668 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:46:48,670 INFO L255 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-19 10:46:48,671 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:46:49,057 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 6 proven. 34 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-19 10:46:49,057 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:46:49,741 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:46:49,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1020257291] [2024-11-19 10:46:49,742 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:46:49,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1599172971] [2024-11-19 10:46:49,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1599172971] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:46:49,742 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:46:49,742 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2024-11-19 10:46:49,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500219668] [2024-11-19 10:46:49,742 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-19 10:46:49,742 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-19 10:46:49,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:46:49,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-19 10:46:49,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=173, Unknown=0, NotChecked=0, Total=240 [2024-11-19 10:46:49,743 INFO L87 Difference]: Start difference. First operand 120 states and 138 transitions. Second operand has 13 states, 12 states have (on average 4.583333333333333) internal successors, (55), 12 states have internal predecessors, (55), 5 states have call successors, (6), 1 states have call predecessors, (6), 3 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-19 10:46:49,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:46:49,958 INFO L93 Difference]: Finished difference Result 125 states and 140 transitions. [2024-11-19 10:46:49,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-19 10:46:49,958 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.583333333333333) internal successors, (55), 12 states have internal predecessors, (55), 5 states have call successors, (6), 1 states have call predecessors, (6), 3 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) Word has length 73 [2024-11-19 10:46:49,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:46:49,959 INFO L225 Difference]: With dead ends: 125 [2024-11-19 10:46:49,959 INFO L226 Difference]: Without dead ends: 122 [2024-11-19 10:46:49,960 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=71, Invalid=201, Unknown=0, NotChecked=0, Total=272 [2024-11-19 10:46:49,960 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 53 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 259 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 259 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 10:46:49,960 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 105 Invalid, 263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 259 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 10:46:49,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-11-19 10:46:49,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 120. [2024-11-19 10:46:49,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 100 states have (on average 1.17) internal successors, (117), 108 states have internal predecessors, (117), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-19 10:46:49,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 135 transitions. [2024-11-19 10:46:49,968 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 135 transitions. Word has length 73 [2024-11-19 10:46:49,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:46:49,968 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 135 transitions. [2024-11-19 10:46:49,969 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.583333333333333) internal successors, (55), 12 states have internal predecessors, (55), 5 states have call successors, (6), 1 states have call predecessors, (6), 3 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-19 10:46:49,969 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 135 transitions. [2024-11-19 10:46:49,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-19 10:46:49,969 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:46:49,969 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 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, 1, 1, 1, 1] [2024-11-19 10:46:49,977 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-11-19 10:46:50,170 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 [2024-11-19 10:46:50,170 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-19 10:46:50,171 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:46:50,171 INFO L85 PathProgramCache]: Analyzing trace with hash 1039259069, now seen corresponding path program 1 times [2024-11-19 10:46:50,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:46:50,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670581315] [2024-11-19 10:46:50,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:46:50,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:46:50,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:46:50,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [941716175] [2024-11-19 10:46:50,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:46:50,186 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:46:50,186 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:46:50,188 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:46:50,190 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-19 10:46:50,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:46:50,238 INFO L255 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-19 10:46:50,240 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:46:50,435 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 3 proven. 33 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-19 10:46:50,435 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:46:50,677 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2024-11-19 10:46:50,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:46:50,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [670581315] [2024-11-19 10:46:50,678 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:46:50,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [941716175] [2024-11-19 10:46:50,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [941716175] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-19 10:46:50,678 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:46:50,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 12 [2024-11-19 10:46:50,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323654539] [2024-11-19 10:46:50,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:46:50,678 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 10:46:50,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:46:50,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 10:46:50,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2024-11-19 10:46:50,679 INFO L87 Difference]: Start difference. First operand 120 states and 135 transitions. Second operand has 7 states, 6 states have (on average 7.833333333333333) internal successors, (47), 7 states have internal predecessors, (47), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-19 10:46:52,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:46:52,053 INFO L93 Difference]: Finished difference Result 120 states and 135 transitions. [2024-11-19 10:46:52,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-19 10:46:52,054 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.833333333333333) internal successors, (47), 7 states have internal predecessors, (47), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6) Word has length 77 [2024-11-19 10:46:52,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:46:52,054 INFO L225 Difference]: With dead ends: 120 [2024-11-19 10:46:52,054 INFO L226 Difference]: Without dead ends: 119 [2024-11-19 10:46:52,055 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2024-11-19 10:46:52,055 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 44 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-19 10:46:52,055 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 97 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-19 10:46:52,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2024-11-19 10:46:52,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2024-11-19 10:46:52,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 100 states have (on average 1.14) internal successors, (114), 107 states have internal predecessors, (114), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-19 10:46:52,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 132 transitions. [2024-11-19 10:46:52,064 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 132 transitions. Word has length 77 [2024-11-19 10:46:52,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:46:52,064 INFO L471 AbstractCegarLoop]: Abstraction has 119 states and 132 transitions. [2024-11-19 10:46:52,064 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.833333333333333) internal successors, (47), 7 states have internal predecessors, (47), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-19 10:46:52,065 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 132 transitions. [2024-11-19 10:46:52,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-19 10:46:52,065 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:46:52,065 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1] [2024-11-19 10:46:52,077 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-11-19 10:46:52,265 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:46:52,266 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-19 10:46:52,266 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:46:52,266 INFO L85 PathProgramCache]: Analyzing trace with hash -1999412705, now seen corresponding path program 1 times [2024-11-19 10:46:52,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:46:52,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1960374130] [2024-11-19 10:46:52,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:46:52,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:46:52,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:46:52,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [134852182] [2024-11-19 10:46:52,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:46:52,279 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:46:52,279 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:46:52,282 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:46:52,283 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-19 10:46:52,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:46:52,334 INFO L255 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-19 10:46:52,335 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:46:52,515 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 3 proven. 37 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-19 10:46:52,515 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:47:01,366 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2024-11-19 10:47:01,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:47:01,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1960374130] [2024-11-19 10:47:01,366 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:47:01,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [134852182] [2024-11-19 10:47:01,367 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [134852182] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-19 10:47:01,367 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:47:01,367 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8] total 13 [2024-11-19 10:47:01,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605707196] [2024-11-19 10:47:01,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:47:01,368 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-19 10:47:01,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:47:01,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-19 10:47:01,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=142, Unknown=1, NotChecked=0, Total=182 [2024-11-19 10:47:01,368 INFO L87 Difference]: Start difference. First operand 119 states and 132 transitions. Second operand has 8 states, 7 states have (on average 7.0) internal successors, (49), 8 states have internal predecessors, (49), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-19 10:47:07,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:47:07,341 INFO L93 Difference]: Finished difference Result 119 states and 132 transitions. [2024-11-19 10:47:07,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-19 10:47:07,342 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 7.0) internal successors, (49), 8 states have internal predecessors, (49), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6) Word has length 79 [2024-11-19 10:47:07,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:47:07,342 INFO L225 Difference]: With dead ends: 119 [2024-11-19 10:47:07,342 INFO L226 Difference]: Without dead ends: 118 [2024-11-19 10:47:07,343 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 13.0s TimeCoverageRelationStatistics Valid=54, Invalid=184, Unknown=2, NotChecked=0, Total=240 [2024-11-19 10:47:07,343 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 61 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-19 10:47:07,343 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 98 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-19 10:47:07,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2024-11-19 10:47:07,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2024-11-19 10:47:07,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 100 states have (on average 1.11) internal successors, (111), 106 states have internal predecessors, (111), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-19 10:47:07,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 129 transitions. [2024-11-19 10:47:07,352 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 129 transitions. Word has length 79 [2024-11-19 10:47:07,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:47:07,353 INFO L471 AbstractCegarLoop]: Abstraction has 118 states and 129 transitions. [2024-11-19 10:47:07,353 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 7.0) internal successors, (49), 8 states have internal predecessors, (49), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-19 10:47:07,353 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 129 transitions. [2024-11-19 10:47:07,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-19 10:47:07,354 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:47:07,354 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:47:07,371 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2024-11-19 10:47:07,554 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:47:07,554 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-19 10:47:07,555 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:47:07,555 INFO L85 PathProgramCache]: Analyzing trace with hash 1885028642, now seen corresponding path program 3 times [2024-11-19 10:47:07,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:47:07,555 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [684882542] [2024-11-19 10:47:07,555 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 10:47:07,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:47:07,575 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-11-19 10:47:07,575 INFO L228 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-19 10:47:07,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [36648039] [2024-11-19 10:47:07,576 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 10:47:07,576 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:47:07,577 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:47:07,578 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:47:07,579 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-19 10:47:07,724 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-11-19 10:47:07,724 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:47:07,725 INFO L255 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-19 10:47:07,727 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:47:08,034 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-19 10:47:08,034 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:47:08,857 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:47:08,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [684882542] [2024-11-19 10:47:08,857 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:47:08,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [36648039] [2024-11-19 10:47:08,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [36648039] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:47:08,857 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:47:08,857 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-19 10:47:08,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [197599032] [2024-11-19 10:47:08,858 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-19 10:47:08,858 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-19 10:47:08,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:47:08,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-19 10:47:08,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2024-11-19 10:47:08,858 INFO L87 Difference]: Start difference. First operand 118 states and 129 transitions. Second operand has 9 states, 8 states have (on average 8.75) internal successors, (70), 9 states have internal predecessors, (70), 5 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 4 states have call predecessors, (7), 5 states have call successors, (7) [2024-11-19 10:47:09,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:47:09,035 INFO L93 Difference]: Finished difference Result 121 states and 129 transitions. [2024-11-19 10:47:09,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-19 10:47:09,035 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 8.75) internal successors, (70), 9 states have internal predecessors, (70), 5 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 4 states have call predecessors, (7), 5 states have call successors, (7) Word has length 96 [2024-11-19 10:47:09,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:47:09,036 INFO L225 Difference]: With dead ends: 121 [2024-11-19 10:47:09,036 INFO L226 Difference]: Without dead ends: 118 [2024-11-19 10:47:09,036 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2024-11-19 10:47:09,037 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 46 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 300 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 303 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 300 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 10:47:09,037 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 144 Invalid, 303 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 300 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 10:47:09,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2024-11-19 10:47:09,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2024-11-19 10:47:09,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 100 states have (on average 1.08) internal successors, (108), 106 states have internal predecessors, (108), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-19 10:47:09,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 126 transitions. [2024-11-19 10:47:09,050 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 126 transitions. Word has length 96 [2024-11-19 10:47:09,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:47:09,051 INFO L471 AbstractCegarLoop]: Abstraction has 118 states and 126 transitions. [2024-11-19 10:47:09,051 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 8.75) internal successors, (70), 9 states have internal predecessors, (70), 5 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 4 states have call predecessors, (7), 5 states have call successors, (7) [2024-11-19 10:47:09,051 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 126 transitions. [2024-11-19 10:47:09,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-19 10:47:09,052 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:47:09,052 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:47:09,060 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-11-19 10:47:09,256 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:47:09,257 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-19 10:47:09,257 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:47:09,257 INFO L85 PathProgramCache]: Analyzing trace with hash 190931317, now seen corresponding path program 2 times [2024-11-19 10:47:09,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:47:09,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060303586] [2024-11-19 10:47:09,257 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:47:09,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:47:09,270 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 10:47:09,270 INFO L228 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-19 10:47:09,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2064821186] [2024-11-19 10:47:09,271 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:47:09,271 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:47:09,271 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:47:09,273 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:47:09,276 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-19 10:47:09,332 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 10:47:09,332 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:47:09,333 INFO L255 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-19 10:47:09,335 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:47:09,531 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 6 proven. 75 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-19 10:47:09,531 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:47:09,955 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-11-19 10:47:09,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:47:09,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1060303586] [2024-11-19 10:47:09,955 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:47:09,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2064821186] [2024-11-19 10:47:09,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2064821186] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-19 10:47:09,955 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:47:09,956 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 13 [2024-11-19 10:47:09,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1404994610] [2024-11-19 10:47:09,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:47:09,956 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 10:47:09,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:47:09,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 10:47:09,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2024-11-19 10:47:09,957 INFO L87 Difference]: Start difference. First operand 118 states and 126 transitions. Second operand has 7 states, 6 states have (on average 7.666666666666667) internal successors, (46), 7 states have internal predecessors, (46), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-19 10:47:10,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:47:10,748 INFO L93 Difference]: Finished difference Result 118 states and 126 transitions. [2024-11-19 10:47:10,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-19 10:47:10,749 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.666666666666667) internal successors, (46), 7 states have internal predecessors, (46), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6) Word has length 99 [2024-11-19 10:47:10,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:47:10,749 INFO L225 Difference]: With dead ends: 118 [2024-11-19 10:47:10,750 INFO L226 Difference]: Without dead ends: 117 [2024-11-19 10:47:10,750 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2024-11-19 10:47:10,750 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 25 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-19 10:47:10,751 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 97 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-19 10:47:10,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2024-11-19 10:47:10,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2024-11-19 10:47:10,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 100 states have (on average 1.06) internal successors, (106), 105 states have internal predecessors, (106), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-19 10:47:10,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 124 transitions. [2024-11-19 10:47:10,760 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 124 transitions. Word has length 99 [2024-11-19 10:47:10,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:47:10,760 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 124 transitions. [2024-11-19 10:47:10,760 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.666666666666667) internal successors, (46), 7 states have internal predecessors, (46), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-19 10:47:10,760 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 124 transitions. [2024-11-19 10:47:10,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-19 10:47:10,761 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:47:10,761 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, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:47:10,774 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2024-11-19 10:47:10,965 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-11-19 10:47:10,965 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-19 10:47:10,966 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:47:10,966 INFO L85 PathProgramCache]: Analyzing trace with hash -30445863, now seen corresponding path program 4 times [2024-11-19 10:47:10,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:47:10,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240936488] [2024-11-19 10:47:10,966 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-19 10:47:10,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:47:10,982 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-19 10:47:10,982 INFO L228 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-19 10:47:10,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1512676339] [2024-11-19 10:47:10,982 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-19 10:47:10,983 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:47:10,983 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:47:10,985 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:47:10,986 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-19 10:47:11,062 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-19 10:47:11,062 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:47:11,063 INFO L255 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-19 10:47:11,064 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:47:11,744 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 3 proven. 135 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-19 10:47:11,744 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:47:12,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:47:12,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1240936488] [2024-11-19 10:47:12,219 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:47:12,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1512676339] [2024-11-19 10:47:12,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1512676339] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:47:12,219 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:47:12,219 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-19 10:47:12,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097520358] [2024-11-19 10:47:12,220 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-19 10:47:12,220 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-19 10:47:12,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:47:12,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-19 10:47:12,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2024-11-19 10:47:12,221 INFO L87 Difference]: Start difference. First operand 117 states and 124 transitions. Second operand has 11 states, 10 states have (on average 8.8) internal successors, (88), 10 states have internal predecessors, (88), 7 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 6 states have call predecessors, (8), 7 states have call successors, (8) [2024-11-19 10:47:15,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:47:15,748 INFO L93 Difference]: Finished difference Result 139 states and 147 transitions. [2024-11-19 10:47:15,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-19 10:47:15,749 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 8.8) internal successors, (88), 10 states have internal predecessors, (88), 7 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 6 states have call predecessors, (8), 7 states have call successors, (8) Word has length 119 [2024-11-19 10:47:15,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:47:15,749 INFO L225 Difference]: With dead ends: 139 [2024-11-19 10:47:15,750 INFO L226 Difference]: Without dead ends: 135 [2024-11-19 10:47:15,750 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2024-11-19 10:47:15,750 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 48 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 185 mSolverCounterSat, 4 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 185 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2024-11-19 10:47:15,750 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 103 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 185 Invalid, 2 Unknown, 0 Unchecked, 3.5s Time] [2024-11-19 10:47:15,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2024-11-19 10:47:15,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 134. [2024-11-19 10:47:15,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 116 states have (on average 1.0603448275862069) internal successors, (123), 121 states have internal predecessors, (123), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-19 10:47:15,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 143 transitions. [2024-11-19 10:47:15,761 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 143 transitions. Word has length 119 [2024-11-19 10:47:15,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:47:15,762 INFO L471 AbstractCegarLoop]: Abstraction has 134 states and 143 transitions. [2024-11-19 10:47:15,762 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 8.8) internal successors, (88), 10 states have internal predecessors, (88), 7 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 6 states have call predecessors, (8), 7 states have call successors, (8) [2024-11-19 10:47:15,762 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 143 transitions. [2024-11-19 10:47:15,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-19 10:47:15,763 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:47:15,763 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, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:47:15,775 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2024-11-19 10:47:15,963 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-11-19 10:47:15,963 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-19 10:47:15,964 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:47:15,964 INFO L85 PathProgramCache]: Analyzing trace with hash 1859286921, now seen corresponding path program 2 times [2024-11-19 10:47:15,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:47:15,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [582752419] [2024-11-19 10:47:15,964 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:47:15,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:47:15,972 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 10:47:15,972 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:47:16,029 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2024-11-19 10:47:16,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:47:16,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [582752419] [2024-11-19 10:47:16,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [582752419] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:47:16,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [832646004] [2024-11-19 10:47:16,030 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:47:16,030 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:47:16,030 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:47:16,033 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:47:16,034 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-11-19 10:47:16,089 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 10:47:16,089 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:47:16,090 INFO L255 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-19 10:47:16,091 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:47:16,198 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2024-11-19 10:47:16,199 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:47:16,343 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2024-11-19 10:47:16,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [832646004] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:47:16,343 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:47:16,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-11-19 10:47:16,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068035168] [2024-11-19 10:47:16,344 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:47:16,344 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 10:47:16,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:47:16,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 10:47:16,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-19 10:47:16,346 INFO L87 Difference]: Start difference. First operand 134 states and 143 transitions. Second operand has 6 states, 5 states have (on average 10.8) internal successors, (54), 6 states have internal predecessors, (54), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-19 10:47:16,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:47:16,374 INFO L93 Difference]: Finished difference Result 134 states and 143 transitions. [2024-11-19 10:47:16,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 10:47:16,374 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.8) internal successors, (54), 6 states have internal predecessors, (54), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 133 [2024-11-19 10:47:16,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:47:16,375 INFO L225 Difference]: With dead ends: 134 [2024-11-19 10:47:16,375 INFO L226 Difference]: Without dead ends: 133 [2024-11-19 10:47:16,376 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 269 GetRequests, 263 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-19 10:47:16,376 INFO L432 NwaCegarLoop]: 40 mSDtfsCounter, 43 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:47:16,376 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 103 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:47:16,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2024-11-19 10:47:16,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2024-11-19 10:47:16,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 116 states have (on average 1.043103448275862) internal successors, (121), 120 states have internal predecessors, (121), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-19 10:47:16,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 141 transitions. [2024-11-19 10:47:16,387 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 141 transitions. Word has length 133 [2024-11-19 10:47:16,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:47:16,388 INFO L471 AbstractCegarLoop]: Abstraction has 133 states and 141 transitions. [2024-11-19 10:47:16,388 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.8) internal successors, (54), 6 states have internal predecessors, (54), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-19 10:47:16,388 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 141 transitions. [2024-11-19 10:47:16,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-19 10:47:16,389 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:47:16,389 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:47:16,405 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2024-11-19 10:47:16,593 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2024-11-19 10:47:16,594 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-19 10:47:16,594 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:47:16,594 INFO L85 PathProgramCache]: Analyzing trace with hash 1651546351, now seen corresponding path program 2 times [2024-11-19 10:47:16,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:47:16,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1109545882] [2024-11-19 10:47:16,594 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:47:16,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:47:16,610 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 10:47:16,610 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:47:16,851 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 143 proven. 56 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-19 10:47:16,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:47:16,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1109545882] [2024-11-19 10:47:16,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1109545882] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:47:16,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1717627664] [2024-11-19 10:47:16,852 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:47:16,852 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:47:16,852 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:47:16,854 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:47:16,855 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-11-19 10:47:16,914 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 10:47:16,915 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:47:16,916 INFO L255 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-19 10:47:16,918 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:47:17,355 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 193 proven. 6 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-19 10:47:17,355 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:47:17,561 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 193 proven. 6 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-19 10:47:17,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1717627664] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:47:17,561 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:47:17,562 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 22 [2024-11-19 10:47:17,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740312420] [2024-11-19 10:47:17,562 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:47:17,562 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-19 10:47:17,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:47:17,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-19 10:47:17,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=331, Unknown=0, NotChecked=0, Total=462 [2024-11-19 10:47:17,563 INFO L87 Difference]: Start difference. First operand 133 states and 141 transitions. Second operand has 22 states, 22 states have (on average 12.318181818181818) internal successors, (271), 20 states have internal predecessors, (271), 18 states have call successors, (21), 1 states have call predecessors, (21), 2 states have return successors, (22), 18 states have call predecessors, (22), 18 states have call successors, (22) [2024-11-19 10:47:17,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:47:17,632 INFO L93 Difference]: Finished difference Result 137 states and 144 transitions. [2024-11-19 10:47:17,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-19 10:47:17,632 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 12.318181818181818) internal successors, (271), 20 states have internal predecessors, (271), 18 states have call successors, (21), 1 states have call predecessors, (21), 2 states have return successors, (22), 18 states have call predecessors, (22), 18 states have call successors, (22) Word has length 139 [2024-11-19 10:47:17,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:47:17,633 INFO L225 Difference]: With dead ends: 137 [2024-11-19 10:47:17,633 INFO L226 Difference]: Without dead ends: 0 [2024-11-19 10:47:17,633 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 286 GetRequests, 266 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=131, Invalid=331, Unknown=0, NotChecked=0, Total=462 [2024-11-19 10:47:17,634 INFO L432 NwaCegarLoop]: 92 mSDtfsCounter, 0 mSDsluCounter, 348 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 440 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:47:17,634 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 440 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:47:17,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-19 10:47:17,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-19 10:47:17,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:47:17,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-19 10:47:17,635 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 139 [2024-11-19 10:47:17,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:47:17,635 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-19 10:47:17,635 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 12.318181818181818) internal successors, (271), 20 states have internal predecessors, (271), 18 states have call successors, (21), 1 states have call predecessors, (21), 2 states have return successors, (22), 18 states have call predecessors, (22), 18 states have call successors, (22) [2024-11-19 10:47:17,635 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-19 10:47:17,635 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-19 10:47:17,638 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 24 remaining) [2024-11-19 10:47:17,638 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 24 remaining) [2024-11-19 10:47:17,638 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 24 remaining) [2024-11-19 10:47:17,638 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 24 remaining) [2024-11-19 10:47:17,639 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 24 remaining) [2024-11-19 10:47:17,639 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 24 remaining) [2024-11-19 10:47:17,639 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 24 remaining) [2024-11-19 10:47:17,639 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 24 remaining) [2024-11-19 10:47:17,639 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 24 remaining) [2024-11-19 10:47:17,639 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 24 remaining) [2024-11-19 10:47:17,639 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 24 remaining) [2024-11-19 10:47:17,640 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 24 remaining) [2024-11-19 10:47:17,640 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 24 remaining) [2024-11-19 10:47:17,640 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 24 remaining) [2024-11-19 10:47:17,640 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 24 remaining) [2024-11-19 10:47:17,640 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 24 remaining) [2024-11-19 10:47:17,640 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 24 remaining) [2024-11-19 10:47:17,640 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 24 remaining) [2024-11-19 10:47:17,641 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 24 remaining) [2024-11-19 10:47:17,641 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 24 remaining) [2024-11-19 10:47:17,641 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 24 remaining) [2024-11-19 10:47:17,641 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 24 remaining) [2024-11-19 10:47:17,641 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 24 remaining) [2024-11-19 10:47:17,641 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 24 remaining) [2024-11-19 10:47:17,657 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2024-11-19 10:47:17,842 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:47:17,845 INFO L407 BasicCegarLoop]: Path program histogram: [4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:47:17,848 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.