./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-crafted/bor5.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-crafted/bor5.i -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 1a4987addfe5f74a2ffcc1ac07d342e5a630d26b982b6fa887540d0e2c4f5965 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 20:08:06,557 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 20:08:06,626 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-11 20:08:06,631 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 20:08:06,634 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 20:08:06,656 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 20:08:06,657 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 20:08:06,657 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 20:08:06,658 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 20:08:06,660 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 20:08:06,661 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 20:08:06,661 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 20:08:06,661 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 20:08:06,662 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 20:08:06,662 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 20:08:06,663 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 20:08:06,663 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 20:08:06,664 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 20:08:06,664 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 20:08:06,664 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 20:08:06,665 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 20:08:06,665 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 20:08:06,665 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 20:08:06,666 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 20:08:06,666 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 20:08:06,666 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-11 20:08:06,668 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-11 20:08:06,669 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 20:08:06,669 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 20:08:06,669 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 20:08:06,669 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 20:08:06,670 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 20:08:06,670 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 20:08:06,670 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 20:08:06,670 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 20:08:06,671 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 20:08:06,672 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 20:08:06,672 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 20:08:06,672 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 20:08:06,672 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 20:08:06,672 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 20:08:06,673 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 20:08:06,673 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 20:08:06,674 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 20:08:06,674 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1a4987addfe5f74a2ffcc1ac07d342e5a630d26b982b6fa887540d0e2c4f5965 [2024-10-11 20:08:06,959 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 20:08:06,984 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 20:08:06,987 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 20:08:06,988 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 20:08:06,988 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 20:08:06,989 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-crafted/bor5.i [2024-10-11 20:08:08,380 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 20:08:08,570 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 20:08:08,570 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-crafted/bor5.i [2024-10-11 20:08:08,577 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/b3b046066/76c6d4bcc78142798c75057ef3bcbdfe/FLAG22493fa55 [2024-10-11 20:08:08,589 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/b3b046066/76c6d4bcc78142798c75057ef3bcbdfe [2024-10-11 20:08:08,591 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 20:08:08,593 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 20:08:08,594 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 20:08:08,594 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 20:08:08,601 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 20:08:08,602 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 08:08:08" (1/1) ... [2024-10-11 20:08:08,603 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@346f5eef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:08:08, skipping insertion in model container [2024-10-11 20:08:08,605 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 08:08:08" (1/1) ... [2024-10-11 20:08:08,624 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 20:08:08,797 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 20:08:08,805 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 20:08:08,824 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 20:08:08,846 INFO L204 MainTranslator]: Completed translation [2024-10-11 20:08:08,846 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:08:08 WrapperNode [2024-10-11 20:08:08,846 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 20:08:08,847 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 20:08:08,847 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 20:08:08,848 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 20:08:08,854 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:08:08" (1/1) ... [2024-10-11 20:08:08,860 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:08:08" (1/1) ... [2024-10-11 20:08:08,880 INFO L138 Inliner]: procedures = 16, calls = 30, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 93 [2024-10-11 20:08:08,882 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 20:08:08,883 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 20:08:08,883 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 20:08:08,883 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 20:08:08,892 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:08:08" (1/1) ... [2024-10-11 20:08:08,892 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:08:08" (1/1) ... [2024-10-11 20:08:08,895 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:08:08" (1/1) ... [2024-10-11 20:08:08,909 INFO L175 MemorySlicer]: Split 20 memory accesses to 3 slices as follows [2, 7, 11]. 55 percent of accesses are in the largest equivalence class. The 9 initializations are split as follows [2, 7, 0]. The 5 writes are split as follows [0, 0, 5]. [2024-10-11 20:08:08,909 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:08:08" (1/1) ... [2024-10-11 20:08:08,910 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:08:08" (1/1) ... [2024-10-11 20:08:08,915 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:08:08" (1/1) ... [2024-10-11 20:08:08,920 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:08:08" (1/1) ... [2024-10-11 20:08:08,922 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:08:08" (1/1) ... [2024-10-11 20:08:08,923 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:08:08" (1/1) ... [2024-10-11 20:08:08,925 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 20:08:08,926 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 20:08:08,927 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 20:08:08,927 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 20:08:08,928 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:08:08" (1/1) ... [2024-10-11 20:08:08,933 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 20:08:08,943 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:08:08,959 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 20:08:08,961 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 20:08:09,012 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 20:08:09,013 INFO L130 BoogieDeclarations]: Found specification of procedure bor [2024-10-11 20:08:09,013 INFO L138 BoogieDeclarations]: Found implementation of procedure bor [2024-10-11 20:08:09,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 20:08:09,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-11 20:08:09,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-11 20:08:09,013 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-11 20:08:09,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-11 20:08:09,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-11 20:08:09,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-11 20:08:09,016 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 20:08:09,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 20:08:09,016 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-11 20:08:09,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-11 20:08:09,030 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-11 20:08:09,031 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-11 20:08:09,167 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 20:08:09,169 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 20:08:09,451 INFO L? ?]: Removed 31 outVars from TransFormulas that were not future-live. [2024-10-11 20:08:09,452 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 20:08:09,498 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 20:08:09,499 INFO L314 CfgBuilder]: Removed 3 assume(true) statements. [2024-10-11 20:08:09,499 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 08:08:09 BoogieIcfgContainer [2024-10-11 20:08:09,499 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 20:08:09,501 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 20:08:09,502 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 20:08:09,505 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 20:08:09,505 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 08:08:08" (1/3) ... [2024-10-11 20:08:09,506 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@721ec776 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 08:08:09, skipping insertion in model container [2024-10-11 20:08:09,507 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:08:08" (2/3) ... [2024-10-11 20:08:09,507 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@721ec776 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 08:08:09, skipping insertion in model container [2024-10-11 20:08:09,508 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 08:08:09" (3/3) ... [2024-10-11 20:08:09,509 INFO L112 eAbstractionObserver]: Analyzing ICFG bor5.i [2024-10-11 20:08:09,525 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 20:08:09,526 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 12 error locations. [2024-10-11 20:08:09,577 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 20:08:09,585 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;@335bad8b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 20:08:09,586 INFO L334 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2024-10-11 20:08:09,589 INFO L276 IsEmpty]: Start isEmpty. Operand has 50 states, 33 states have (on average 1.696969696969697) internal successors, (56), 45 states have internal predecessors, (56), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-11 20:08:09,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-10-11 20:08:09,595 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:08:09,595 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-10-11 20:08:09,596 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [borErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, borErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-10-11 20:08:09,600 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:08:09,600 INFO L85 PathProgramCache]: Analyzing trace with hash 4657985, now seen corresponding path program 1 times [2024-10-11 20:08:09,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:08:09,607 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [868366851] [2024-10-11 20:08:09,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:08:09,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:08:09,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:08:09,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:08:09,833 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:08:09,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [868366851] [2024-10-11 20:08:09,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [868366851] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:08:09,836 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:08:09,836 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 20:08:09,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277336471] [2024-10-11 20:08:09,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:08:09,843 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:08:09,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:08:09,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:08:09,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:08:09,866 INFO L87 Difference]: Start difference. First operand has 50 states, 33 states have (on average 1.696969696969697) internal successors, (56), 45 states have internal predecessors, (56), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:08:09,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:08:09,960 INFO L93 Difference]: Finished difference Result 97 states and 123 transitions. [2024-10-11 20:08:09,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:08:09,966 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2024-10-11 20:08:09,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:08:09,974 INFO L225 Difference]: With dead ends: 97 [2024-10-11 20:08:09,975 INFO L226 Difference]: Without dead ends: 46 [2024-10-11 20:08:09,978 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 [2024-10-11 20:08:09,983 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 1 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 137 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:08:09,984 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 137 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:08:10,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2024-10-11 20:08:10,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2024-10-11 20:08:10,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 30 states have (on average 1.6) internal successors, (48), 42 states have internal predecessors, (48), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-11 20:08:10,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 53 transitions. [2024-10-11 20:08:10,026 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 53 transitions. Word has length 4 [2024-10-11 20:08:10,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:08:10,026 INFO L471 AbstractCegarLoop]: Abstraction has 46 states and 53 transitions. [2024-10-11 20:08:10,028 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:08:10,028 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 53 transitions. [2024-10-11 20:08:10,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-10-11 20:08:10,029 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:08:10,029 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2024-10-11 20:08:10,029 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 20:08:10,029 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [borErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, borErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-10-11 20:08:10,030 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:08:10,031 INFO L85 PathProgramCache]: Analyzing trace with hash 1327161288, now seen corresponding path program 1 times [2024-10-11 20:08:10,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:08:10,031 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [400545483] [2024-10-11 20:08:10,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:08:10,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:08:10,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:08:10,190 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:08:10,190 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:08:10,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [400545483] [2024-10-11 20:08:10,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [400545483] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:08:10,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [148410416] [2024-10-11 20:08:10,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:08:10,191 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:08:10,191 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:08:10,194 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:08:10,196 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-11 20:08:10,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:08:10,280 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 20:08:10,284 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:08:10,374 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:08:10,374 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:08:10,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [148410416] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:08:10,375 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:08:10,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-10-11 20:08:10,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706324751] [2024-10-11 20:08:10,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:08:10,378 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 20:08:10,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:08:10,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 20:08:10,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-10-11 20:08:10,381 INFO L87 Difference]: Start difference. First operand 46 states and 53 transitions. Second operand has 6 states, 5 states have (on average 1.4) internal successors, (7), 6 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:08:10,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:08:10,471 INFO L93 Difference]: Finished difference Result 46 states and 53 transitions. [2024-10-11 20:08:10,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 20:08:10,472 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.4) internal successors, (7), 6 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-10-11 20:08:10,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:08:10,474 INFO L225 Difference]: With dead ends: 46 [2024-10-11 20:08:10,474 INFO L226 Difference]: Without dead ends: 45 [2024-10-11 20:08:10,475 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-10-11 20:08:10,476 INFO L432 NwaCegarLoop]: 39 mSDtfsCounter, 1 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:08:10,476 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 152 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:08:10,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2024-10-11 20:08:10,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2024-10-11 20:08:10,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 30 states have (on average 1.5666666666666667) internal successors, (47), 41 states have internal predecessors, (47), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-11 20:08:10,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 52 transitions. [2024-10-11 20:08:10,486 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 52 transitions. Word has length 7 [2024-10-11 20:08:10,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:08:10,486 INFO L471 AbstractCegarLoop]: Abstraction has 45 states and 52 transitions. [2024-10-11 20:08:10,488 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.4) internal successors, (7), 6 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:08:10,488 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 52 transitions. [2024-10-11 20:08:10,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-10-11 20:08:10,489 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:08:10,489 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1] [2024-10-11 20:08:10,507 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-11 20:08:10,690 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:08:10,690 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [borErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, borErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-10-11 20:08:10,691 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:08:10,691 INFO L85 PathProgramCache]: Analyzing trace with hash -1807672950, now seen corresponding path program 1 times [2024-10-11 20:08:10,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:08:10,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1838560756] [2024-10-11 20:08:10,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:08:10,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:08:10,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:08:10,815 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:08:10,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:08:10,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1838560756] [2024-10-11 20:08:10,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1838560756] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:08:10,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1545120910] [2024-10-11 20:08:10,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:08:10,818 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:08:10,818 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:08:10,820 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:08:10,823 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-11 20:08:10,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:08:10,893 INFO L255 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 20:08:10,894 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:08:10,936 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:08:10,936 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:08:10,990 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:08:10,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1545120910] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:08:10,992 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:08:10,992 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2024-10-11 20:08:10,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883254391] [2024-10-11 20:08:10,993 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:08:10,993 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-11 20:08:10,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:08:10,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-11 20:08:10,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-10-11 20:08:10,996 INFO L87 Difference]: Start difference. First operand 45 states and 52 transitions. Second operand has 12 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 12 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:08:11,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:08:11,082 INFO L93 Difference]: Finished difference Result 55 states and 67 transitions. [2024-10-11 20:08:11,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-11 20:08:11,084 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 12 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-10-11 20:08:11,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:08:11,085 INFO L225 Difference]: With dead ends: 55 [2024-10-11 20:08:11,085 INFO L226 Difference]: Without dead ends: 54 [2024-10-11 20:08:11,086 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-10-11 20:08:11,088 INFO L432 NwaCegarLoop]: 40 mSDtfsCounter, 0 mSDsluCounter, 232 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 272 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:08:11,089 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 272 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:08:11,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2024-10-11 20:08:11,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2024-10-11 20:08:11,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 39 states have (on average 1.5128205128205128) internal successors, (59), 50 states have internal predecessors, (59), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-11 20:08:11,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 64 transitions. [2024-10-11 20:08:11,102 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 64 transitions. Word has length 8 [2024-10-11 20:08:11,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:08:11,102 INFO L471 AbstractCegarLoop]: Abstraction has 54 states and 64 transitions. [2024-10-11 20:08:11,102 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 12 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:08:11,103 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 64 transitions. [2024-10-11 20:08:11,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-10-11 20:08:11,104 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:08:11,104 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:08:11,122 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-10-11 20:08:11,305 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:08:11,306 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting borErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [borErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, borErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-10-11 20:08:11,306 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:08:11,306 INFO L85 PathProgramCache]: Analyzing trace with hash 440202823, now seen corresponding path program 1 times [2024-10-11 20:08:11,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:08:11,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511834366] [2024-10-11 20:08:11,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:08:11,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:08:11,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:08:11,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:08:11,349 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:08:11,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511834366] [2024-10-11 20:08:11,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1511834366] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:08:11,350 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:08:11,350 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 20:08:11,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723463848] [2024-10-11 20:08:11,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:08:11,351 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 20:08:11,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:08:11,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 20:08:11,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:08:11,352 INFO L87 Difference]: Start difference. First operand 54 states and 64 transitions. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:08:11,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:08:11,386 INFO L93 Difference]: Finished difference Result 90 states and 105 transitions. [2024-10-11 20:08:11,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 20:08:11,386 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2024-10-11 20:08:11,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:08:11,388 INFO L225 Difference]: With dead ends: 90 [2024-10-11 20:08:11,388 INFO L226 Difference]: Without dead ends: 54 [2024-10-11 20:08:11,388 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:08:11,389 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 0 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 20:08:11,390 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 70 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 20:08:11,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2024-10-11 20:08:11,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2024-10-11 20:08:11,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 39 states have (on average 1.4871794871794872) internal successors, (58), 50 states have internal predecessors, (58), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-11 20:08:11,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 63 transitions. [2024-10-11 20:08:11,396 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 63 transitions. Word has length 10 [2024-10-11 20:08:11,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:08:11,396 INFO L471 AbstractCegarLoop]: Abstraction has 54 states and 63 transitions. [2024-10-11 20:08:11,396 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:08:11,396 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 63 transitions. [2024-10-11 20:08:11,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-10-11 20:08:11,397 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:08:11,398 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:08:11,398 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-11 20:08:11,398 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting borErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [borErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, borErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-10-11 20:08:11,399 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:08:11,399 INFO L85 PathProgramCache]: Analyzing trace with hash 460390798, now seen corresponding path program 1 times [2024-10-11 20:08:11,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:08:11,399 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690742413] [2024-10-11 20:08:11,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:08:11,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:08:11,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:08:11,452 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-11 20:08:11,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:08:11,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [690742413] [2024-10-11 20:08:11,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [690742413] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:08:11,453 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:08:11,453 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 20:08:11,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1262613999] [2024-10-11 20:08:11,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:08:11,454 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:08:11,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:08:11,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:08:11,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:08:11,455 INFO L87 Difference]: Start difference. First operand 54 states and 63 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:08:11,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:08:11,491 INFO L93 Difference]: Finished difference Result 63 states and 75 transitions. [2024-10-11 20:08:11,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:08:11,494 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2024-10-11 20:08:11,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:08:11,494 INFO L225 Difference]: With dead ends: 63 [2024-10-11 20:08:11,494 INFO L226 Difference]: Without dead ends: 61 [2024-10-11 20:08:11,495 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 [2024-10-11 20:08:11,496 INFO L432 NwaCegarLoop]: 39 mSDtfsCounter, 5 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 20:08:11,496 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 114 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 20:08:11,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2024-10-11 20:08:11,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2024-10-11 20:08:11,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 46 states have (on average 1.4782608695652173) internal successors, (68), 57 states have internal predecessors, (68), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-11 20:08:11,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 73 transitions. [2024-10-11 20:08:11,506 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 73 transitions. Word has length 13 [2024-10-11 20:08:11,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:08:11,507 INFO L471 AbstractCegarLoop]: Abstraction has 61 states and 73 transitions. [2024-10-11 20:08:11,507 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:08:11,507 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 73 transitions. [2024-10-11 20:08:11,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-10-11 20:08:11,511 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:08:11,511 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 4, 1, 1, 1] [2024-10-11 20:08:11,511 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-11 20:08:11,512 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [borErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, borErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-10-11 20:08:11,512 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:08:11,512 INFO L85 PathProgramCache]: Analyzing trace with hash -1893091343, now seen corresponding path program 2 times [2024-10-11 20:08:11,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:08:11,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490191920] [2024-10-11 20:08:11,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:08:11,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:08:11,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:08:11,759 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:08:11,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:08:11,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1490191920] [2024-10-11 20:08:11,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1490191920] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:08:11,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [337814858] [2024-10-11 20:08:11,761 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-11 20:08:11,761 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:08:11,762 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:08:11,763 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:08:11,767 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-11 20:08:11,827 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-10-11 20:08:11,827 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 20:08:11,828 INFO L255 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 20:08:11,829 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:08:11,886 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-10-11 20:08:11,886 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:08:11,931 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-10-11 20:08:11,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [337814858] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:08:11,932 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:08:11,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 2, 2] total 13 [2024-10-11 20:08:11,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739153036] [2024-10-11 20:08:11,932 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:08:11,932 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-11 20:08:11,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:08:11,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-11 20:08:11,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2024-10-11 20:08:11,933 INFO L87 Difference]: Start difference. First operand 61 states and 73 transitions. Second operand has 14 states, 13 states have (on average 1.9230769230769231) internal successors, (25), 14 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:08:12,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:08:12,140 INFO L93 Difference]: Finished difference Result 64 states and 78 transitions. [2024-10-11 20:08:12,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-11 20:08:12,141 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.9230769230769231) internal successors, (25), 14 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2024-10-11 20:08:12,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:08:12,142 INFO L225 Difference]: With dead ends: 64 [2024-10-11 20:08:12,142 INFO L226 Difference]: Without dead ends: 61 [2024-10-11 20:08:12,143 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 30 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=144, Invalid=456, Unknown=0, NotChecked=0, Total=600 [2024-10-11 20:08:12,144 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 44 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 180 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:08:12,144 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 180 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:08:12,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2024-10-11 20:08:12,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 47. [2024-10-11 20:08:12,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 35 states have (on average 1.457142857142857) internal successors, (51), 43 states have internal predecessors, (51), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-11 20:08:12,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 56 transitions. [2024-10-11 20:08:12,155 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 56 transitions. Word has length 17 [2024-10-11 20:08:12,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:08:12,155 INFO L471 AbstractCegarLoop]: Abstraction has 47 states and 56 transitions. [2024-10-11 20:08:12,155 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.9230769230769231) internal successors, (25), 14 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:08:12,155 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 56 transitions. [2024-10-11 20:08:12,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-10-11 20:08:12,156 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:08:12,156 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:08:12,173 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-10-11 20:08:12,356 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:08:12,357 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting borErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [borErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, borErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-10-11 20:08:12,358 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:08:12,358 INFO L85 PathProgramCache]: Analyzing trace with hash 227341678, now seen corresponding path program 1 times [2024-10-11 20:08:12,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:08:12,358 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [844001776] [2024-10-11 20:08:12,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:08:12,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:08:12,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:08:12,429 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:08:12,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:08:12,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [844001776] [2024-10-11 20:08:12,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [844001776] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:08:12,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [767924903] [2024-10-11 20:08:12,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:08:12,430 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:08:12,430 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:08:12,432 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:08:12,433 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-11 20:08:12,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:08:12,490 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 20:08:12,491 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:08:12,541 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:08:12,545 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:08:12,583 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:08:12,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [767924903] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:08:12,584 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:08:12,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-10-11 20:08:12,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133804707] [2024-10-11 20:08:12,584 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:08:12,585 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-11 20:08:12,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:08:12,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-11 20:08:12,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-10-11 20:08:12,586 INFO L87 Difference]: Start difference. First operand 47 states and 56 transitions. Second operand has 10 states, 10 states have (on average 2.3) internal successors, (23), 10 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:08:12,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:08:12,664 INFO L93 Difference]: Finished difference Result 91 states and 109 transitions. [2024-10-11 20:08:12,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 20:08:12,665 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.3) internal successors, (23), 10 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2024-10-11 20:08:12,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:08:12,665 INFO L225 Difference]: With dead ends: 91 [2024-10-11 20:08:12,666 INFO L226 Difference]: Without dead ends: 50 [2024-10-11 20:08:12,666 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 30 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-10-11 20:08:12,667 INFO L432 NwaCegarLoop]: 38 mSDtfsCounter, 0 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:08:12,667 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 165 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:08:12,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2024-10-11 20:08:12,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2024-10-11 20:08:12,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 38 states have (on average 1.4210526315789473) internal successors, (54), 46 states have internal predecessors, (54), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-11 20:08:12,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 59 transitions. [2024-10-11 20:08:12,672 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 59 transitions. Word has length 18 [2024-10-11 20:08:12,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:08:12,672 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 59 transitions. [2024-10-11 20:08:12,673 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.3) internal successors, (23), 10 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:08:12,673 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 59 transitions. [2024-10-11 20:08:12,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-10-11 20:08:12,673 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:08:12,674 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:08:12,690 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-11 20:08:12,874 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-10-11 20:08:12,875 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting borErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [borErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, borErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-10-11 20:08:12,875 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:08:12,875 INFO L85 PathProgramCache]: Analyzing trace with hash -1434400331, now seen corresponding path program 2 times [2024-10-11 20:08:12,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:08:12,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1921304905] [2024-10-11 20:08:12,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:08:12,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:08:12,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:08:12,942 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-10-11 20:08:12,942 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:08:12,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1921304905] [2024-10-11 20:08:12,943 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1921304905] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:08:12,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1841851922] [2024-10-11 20:08:12,943 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-11 20:08:12,943 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:08:12,943 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:08:12,945 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:08:12,946 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-11 20:08:13,010 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-11 20:08:13,010 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 20:08:13,011 INFO L255 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 20:08:13,012 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:08:13,044 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-10-11 20:08:13,045 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:08:13,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1841851922] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:08:13,045 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:08:13,045 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2024-10-11 20:08:13,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852656698] [2024-10-11 20:08:13,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:08:13,045 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 20:08:13,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:08:13,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 20:08:13,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-10-11 20:08:13,046 INFO L87 Difference]: Start difference. First operand 50 states and 59 transitions. Second operand has 5 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:08:13,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:08:13,077 INFO L93 Difference]: Finished difference Result 50 states and 59 transitions. [2024-10-11 20:08:13,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:08:13,077 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2024-10-11 20:08:13,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:08:13,078 INFO L225 Difference]: With dead ends: 50 [2024-10-11 20:08:13,078 INFO L226 Difference]: Without dead ends: 49 [2024-10-11 20:08:13,078 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-10-11 20:08:13,079 INFO L432 NwaCegarLoop]: 34 mSDtfsCounter, 5 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 20:08:13,080 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 130 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 20:08:13,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2024-10-11 20:08:13,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2024-10-11 20:08:13,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 38 states have (on average 1.394736842105263) internal successors, (53), 45 states have internal predecessors, (53), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-11 20:08:13,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 58 transitions. [2024-10-11 20:08:13,087 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 58 transitions. Word has length 21 [2024-10-11 20:08:13,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:08:13,087 INFO L471 AbstractCegarLoop]: Abstraction has 49 states and 58 transitions. [2024-10-11 20:08:13,088 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:08:13,088 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 58 transitions. [2024-10-11 20:08:13,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-10-11 20:08:13,089 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:08:13,090 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:08:13,106 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-11 20:08:13,290 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:08:13,291 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [borErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, borErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-10-11 20:08:13,291 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:08:13,291 INFO L85 PathProgramCache]: Analyzing trace with hash 662401853, now seen corresponding path program 1 times [2024-10-11 20:08:13,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:08:13,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872653318] [2024-10-11 20:08:13,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:08:13,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:08:13,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:08:13,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-11 20:08:13,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:08:13,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-11 20:08:13,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:08:13,376 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-11 20:08:13,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:08:13,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1872653318] [2024-10-11 20:08:13,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1872653318] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:08:13,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1915862580] [2024-10-11 20:08:13,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:08:13,377 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:08:13,377 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:08:13,379 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:08:13,387 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-11 20:08:13,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:08:13,452 INFO L255 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-11 20:08:13,453 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:08:13,482 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-10-11 20:08:13,482 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:08:13,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1915862580] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:08:13,482 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:08:13,483 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 5 [2024-10-11 20:08:13,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1399152385] [2024-10-11 20:08:13,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:08:13,483 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 20:08:13,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:08:13,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 20:08:13,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 20:08:13,485 INFO L87 Difference]: Start difference. First operand 49 states and 58 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, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 20:08:13,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:08:13,504 INFO L93 Difference]: Finished difference Result 49 states and 58 transitions. [2024-10-11 20:08:13,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 20:08:13,505 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, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 23 [2024-10-11 20:08:13,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:08:13,505 INFO L225 Difference]: With dead ends: 49 [2024-10-11 20:08:13,505 INFO L226 Difference]: Without dead ends: 47 [2024-10-11 20:08:13,506 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 26 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 20:08:13,506 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 26 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 20:08:13,506 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 28 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 20:08:13,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2024-10-11 20:08:13,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2024-10-11 20:08:13,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 38 states have (on average 1.3421052631578947) internal successors, (51), 43 states have internal predecessors, (51), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-11 20:08:13,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 56 transitions. [2024-10-11 20:08:13,515 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 56 transitions. Word has length 23 [2024-10-11 20:08:13,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:08:13,516 INFO L471 AbstractCegarLoop]: Abstraction has 47 states and 56 transitions. [2024-10-11 20:08:13,516 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, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 20:08:13,516 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 56 transitions. [2024-10-11 20:08:13,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-10-11 20:08:13,517 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:08:13,517 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:08:13,535 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-10-11 20:08:13,718 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2024-10-11 20:08:13,718 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting borErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [borErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, borErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-10-11 20:08:13,719 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:08:13,719 INFO L85 PathProgramCache]: Analyzing trace with hash -1516737244, now seen corresponding path program 1 times [2024-10-11 20:08:13,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:08:13,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1278170420] [2024-10-11 20:08:13,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:08:13,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:08:13,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:08:13,779 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-10-11 20:08:13,779 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:08:13,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1278170420] [2024-10-11 20:08:13,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1278170420] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:08:13,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2050868128] [2024-10-11 20:08:13,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:08:13,780 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:08:13,780 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:08:13,783 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:08:13,784 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-11 20:08:13,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:08:13,851 INFO L255 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-11 20:08:13,852 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:08:13,984 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:08:13,986 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:08:14,110 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:08:14,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2050868128] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:08:14,110 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:08:14,110 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 11, 11] total 18 [2024-10-11 20:08:14,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556285669] [2024-10-11 20:08:14,113 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:08:14,113 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-10-11 20:08:14,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:08:14,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-10-11 20:08:14,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2024-10-11 20:08:14,114 INFO L87 Difference]: Start difference. First operand 47 states and 56 transitions. Second operand has 18 states, 18 states have (on average 2.5) internal successors, (45), 18 states have internal predecessors, (45), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:08:14,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:08:14,291 INFO L93 Difference]: Finished difference Result 124 states and 155 transitions. [2024-10-11 20:08:14,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-11 20:08:14,291 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 2.5) internal successors, (45), 18 states have internal predecessors, (45), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2024-10-11 20:08:14,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:08:14,293 INFO L225 Difference]: With dead ends: 124 [2024-10-11 20:08:14,294 INFO L226 Difference]: Without dead ends: 84 [2024-10-11 20:08:14,294 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 25 SyntacticMatches, 6 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=70, Invalid=350, Unknown=0, NotChecked=0, Total=420 [2024-10-11 20:08:14,295 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 58 mSDsluCounter, 228 mSDsCounter, 0 mSdLazyCounter, 232 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 252 SdHoareTripleChecker+Invalid, 234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 232 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:08:14,295 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 252 Invalid, 234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 232 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:08:14,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2024-10-11 20:08:14,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 80. [2024-10-11 20:08:14,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 68 states have (on average 1.3529411764705883) internal successors, (92), 73 states have internal predecessors, (92), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) [2024-10-11 20:08:14,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 103 transitions. [2024-10-11 20:08:14,314 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 103 transitions. Word has length 22 [2024-10-11 20:08:14,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:08:14,314 INFO L471 AbstractCegarLoop]: Abstraction has 80 states and 103 transitions. [2024-10-11 20:08:14,314 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 2.5) internal successors, (45), 18 states have internal predecessors, (45), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:08:14,315 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 103 transitions. [2024-10-11 20:08:14,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-10-11 20:08:14,315 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:08:14,316 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:08:14,339 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-10-11 20:08:14,516 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,8 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:08:14,517 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [borErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, borErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-10-11 20:08:14,517 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:08:14,517 INFO L85 PathProgramCache]: Analyzing trace with hash -1761025914, now seen corresponding path program 1 times [2024-10-11 20:08:14,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:08:14,517 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1324692427] [2024-10-11 20:08:14,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:08:14,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:08:14,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:08:14,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-11 20:08:14,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:08:14,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-11 20:08:14,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:08:14,570 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-11 20:08:14,570 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:08:14,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1324692427] [2024-10-11 20:08:14,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1324692427] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:08:14,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [129016178] [2024-10-11 20:08:14,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:08:14,571 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:08:14,571 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:08:14,573 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:08:14,574 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-11 20:08:14,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:08:14,637 INFO L255 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-11 20:08:14,638 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:08:14,651 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-10-11 20:08:14,651 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:08:14,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [129016178] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:08:14,651 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:08:14,651 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2024-10-11 20:08:14,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640802860] [2024-10-11 20:08:14,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:08:14,652 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 20:08:14,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:08:14,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 20:08:14,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-11 20:08:14,653 INFO L87 Difference]: Start difference. First operand 80 states and 103 transitions. Second operand has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 20:08:14,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:08:14,675 INFO L93 Difference]: Finished difference Result 91 states and 118 transitions. [2024-10-11 20:08:14,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 20:08:14,676 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 26 [2024-10-11 20:08:14,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:08:14,677 INFO L225 Difference]: With dead ends: 91 [2024-10-11 20:08:14,677 INFO L226 Difference]: Without dead ends: 90 [2024-10-11 20:08:14,677 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-11 20:08:14,678 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 1 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 20:08:14,678 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 62 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 20:08:14,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2024-10-11 20:08:14,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 88. [2024-10-11 20:08:14,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 76 states have (on average 1.3289473684210527) internal successors, (101), 81 states have internal predecessors, (101), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) [2024-10-11 20:08:14,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 112 transitions. [2024-10-11 20:08:14,687 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 112 transitions. Word has length 26 [2024-10-11 20:08:14,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:08:14,688 INFO L471 AbstractCegarLoop]: Abstraction has 88 states and 112 transitions. [2024-10-11 20:08:14,688 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 20:08:14,688 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 112 transitions. [2024-10-11 20:08:14,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-10-11 20:08:14,689 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:08:14,689 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:08:14,705 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-10-11 20:08:14,889 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-10-11 20:08:14,890 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [borErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, borErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-10-11 20:08:14,890 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:08:14,890 INFO L85 PathProgramCache]: Analyzing trace with hash 1242771620, now seen corresponding path program 1 times [2024-10-11 20:08:14,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:08:14,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749864517] [2024-10-11 20:08:14,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:08:14,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:08:14,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:08:14,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-11 20:08:14,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:08:14,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-11 20:08:14,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:08:14,950 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-11 20:08:14,952 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:08:14,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749864517] [2024-10-11 20:08:14,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [749864517] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:08:14,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1990331835] [2024-10-11 20:08:14,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:08:14,953 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:08:14,953 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:08:14,954 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:08:14,966 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-11 20:08:15,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:08:15,029 INFO L255 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-11 20:08:15,030 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:08:15,042 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-10-11 20:08:15,042 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:08:15,042 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1990331835] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:08:15,042 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:08:15,042 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2024-10-11 20:08:15,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1193518445] [2024-10-11 20:08:15,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:08:15,043 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 20:08:15,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:08:15,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 20:08:15,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-11 20:08:15,044 INFO L87 Difference]: Start difference. First operand 88 states and 112 transitions. Second operand has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 20:08:15,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:08:15,064 INFO L93 Difference]: Finished difference Result 91 states and 116 transitions. [2024-10-11 20:08:15,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 20:08:15,064 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 27 [2024-10-11 20:08:15,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:08:15,065 INFO L225 Difference]: With dead ends: 91 [2024-10-11 20:08:15,065 INFO L226 Difference]: Without dead ends: 90 [2024-10-11 20:08:15,065 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-11 20:08:15,066 INFO L432 NwaCegarLoop]: 34 mSDtfsCounter, 0 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 20:08:15,066 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 63 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 20:08:15,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2024-10-11 20:08:15,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2024-10-11 20:08:15,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 78 states have (on average 1.3205128205128205) internal successors, (103), 83 states have internal predecessors, (103), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) [2024-10-11 20:08:15,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 114 transitions. [2024-10-11 20:08:15,076 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 114 transitions. Word has length 27 [2024-10-11 20:08:15,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:08:15,076 INFO L471 AbstractCegarLoop]: Abstraction has 90 states and 114 transitions. [2024-10-11 20:08:15,076 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 20:08:15,076 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 114 transitions. [2024-10-11 20:08:15,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-10-11 20:08:15,078 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:08:15,078 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:08:15,096 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-10-11 20:08:15,278 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,10 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:08:15,278 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [borErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, borErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-10-11 20:08:15,279 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:08:15,279 INFO L85 PathProgramCache]: Analyzing trace with hash -128783784, now seen corresponding path program 1 times [2024-10-11 20:08:15,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:08:15,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [697692055] [2024-10-11 20:08:15,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:08:15,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:08:15,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:08:15,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-11 20:08:15,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:08:15,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-11 20:08:15,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:08:15,352 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-11 20:08:15,352 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:08:15,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [697692055] [2024-10-11 20:08:15,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [697692055] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:08:15,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [995951226] [2024-10-11 20:08:15,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:08:15,352 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:08:15,352 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:08:15,354 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:08:15,355 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-10-11 20:08:15,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:08:15,422 INFO L255 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-11 20:08:15,423 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:08:15,448 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-10-11 20:08:15,448 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:08:15,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [995951226] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:08:15,448 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:08:15,448 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 6 [2024-10-11 20:08:15,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544311460] [2024-10-11 20:08:15,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:08:15,449 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:08:15,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:08:15,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:08:15,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-11 20:08:15,449 INFO L87 Difference]: Start difference. First operand 90 states and 114 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-11 20:08:15,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:08:15,484 INFO L93 Difference]: Finished difference Result 120 states and 151 transitions. [2024-10-11 20:08:15,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:08:15,485 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 28 [2024-10-11 20:08:15,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:08:15,486 INFO L225 Difference]: With dead ends: 120 [2024-10-11 20:08:15,486 INFO L226 Difference]: Without dead ends: 90 [2024-10-11 20:08:15,486 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 30 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-11 20:08:15,487 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 46 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 20:08:15,487 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 48 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 20:08:15,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2024-10-11 20:08:15,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2024-10-11 20:08:15,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 78 states have (on average 1.294871794871795) internal successors, (101), 83 states have internal predecessors, (101), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) [2024-10-11 20:08:15,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 112 transitions. [2024-10-11 20:08:15,492 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 112 transitions. Word has length 28 [2024-10-11 20:08:15,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:08:15,492 INFO L471 AbstractCegarLoop]: Abstraction has 90 states and 112 transitions. [2024-10-11 20:08:15,492 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-11 20:08:15,492 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 112 transitions. [2024-10-11 20:08:15,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-10-11 20:08:15,493 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:08:15,493 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:08:15,510 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-10-11 20:08:15,693 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-10-11 20:08:15,694 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting borErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [borErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, borErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-10-11 20:08:15,694 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:08:15,694 INFO L85 PathProgramCache]: Analyzing trace with hash 800559883, now seen corresponding path program 2 times [2024-10-11 20:08:15,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:08:15,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260661573] [2024-10-11 20:08:15,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:08:15,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:08:15,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:08:15,769 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-11 20:08:15,769 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:08:15,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [260661573] [2024-10-11 20:08:15,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [260661573] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:08:15,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2103326927] [2024-10-11 20:08:15,770 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-11 20:08:15,770 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:08:15,770 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:08:15,772 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:08:15,773 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-10-11 20:08:15,834 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-10-11 20:08:15,835 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 20:08:15,836 INFO L255 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 20:08:15,837 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:08:15,896 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-10-11 20:08:15,896 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:08:15,948 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-10-11 20:08:15,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2103326927] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:08:15,949 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:08:15,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 3, 3] total 10 [2024-10-11 20:08:15,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504393974] [2024-10-11 20:08:15,949 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:08:15,949 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-11 20:08:15,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:08:15,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-11 20:08:15,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-10-11 20:08:15,950 INFO L87 Difference]: Start difference. First operand 90 states and 112 transitions. Second operand has 11 states, 10 states have (on average 4.1) internal successors, (41), 11 states have internal predecessors, (41), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:08:16,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:08:16,079 INFO L93 Difference]: Finished difference Result 98 states and 125 transitions. [2024-10-11 20:08:16,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-11 20:08:16,080 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 4.1) internal successors, (41), 11 states have internal predecessors, (41), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2024-10-11 20:08:16,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:08:16,081 INFO L225 Difference]: With dead ends: 98 [2024-10-11 20:08:16,081 INFO L226 Difference]: Without dead ends: 93 [2024-10-11 20:08:16,081 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 54 SyntacticMatches, 2 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=87, Invalid=255, Unknown=0, NotChecked=0, Total=342 [2024-10-11 20:08:16,082 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 74 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:08:16,082 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 129 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:08:16,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2024-10-11 20:08:16,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 66. [2024-10-11 20:08:16,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 56 states have (on average 1.25) internal successors, (70), 60 states have internal predecessors, (70), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (6), 3 states have call predecessors, (6), 4 states have call successors, (6) [2024-10-11 20:08:16,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 80 transitions. [2024-10-11 20:08:16,092 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 80 transitions. Word has length 30 [2024-10-11 20:08:16,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:08:16,092 INFO L471 AbstractCegarLoop]: Abstraction has 66 states and 80 transitions. [2024-10-11 20:08:16,092 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 4.1) internal successors, (41), 11 states have internal predecessors, (41), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:08:16,092 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 80 transitions. [2024-10-11 20:08:16,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-10-11 20:08:16,095 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:08:16,095 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-11 20:08:16,113 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-10-11 20:08:16,295 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-10-11 20:08:16,296 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [borErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, borErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-10-11 20:08:16,296 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:08:16,296 INFO L85 PathProgramCache]: Analyzing trace with hash -932048018, now seen corresponding path program 1 times [2024-10-11 20:08:16,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:08:16,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958591121] [2024-10-11 20:08:16,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:08:16,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:08:16,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:08:16,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-11 20:08:16,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:08:16,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 20:08:16,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:08:16,393 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-11 20:08:16,393 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:08:16,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [958591121] [2024-10-11 20:08:16,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [958591121] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:08:16,393 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:08:16,394 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 20:08:16,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298801784] [2024-10-11 20:08:16,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:08:16,394 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:08:16,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:08:16,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:08:16,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:08:16,395 INFO L87 Difference]: Start difference. First operand 66 states and 80 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 20:08:16,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:08:16,429 INFO L93 Difference]: Finished difference Result 70 states and 84 transitions. [2024-10-11 20:08:16,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:08:16,429 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 38 [2024-10-11 20:08:16,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:08:16,430 INFO L225 Difference]: With dead ends: 70 [2024-10-11 20:08:16,430 INFO L226 Difference]: Without dead ends: 68 [2024-10-11 20:08:16,430 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:08:16,431 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 1 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 20:08:16,431 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 76 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 20:08:16,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2024-10-11 20:08:16,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2024-10-11 20:08:16,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 58 states have (on average 1.2413793103448276) internal successors, (72), 62 states have internal predecessors, (72), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (6), 3 states have call predecessors, (6), 4 states have call successors, (6) [2024-10-11 20:08:16,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 82 transitions. [2024-10-11 20:08:16,436 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 82 transitions. Word has length 38 [2024-10-11 20:08:16,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:08:16,436 INFO L471 AbstractCegarLoop]: Abstraction has 68 states and 82 transitions. [2024-10-11 20:08:16,437 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 20:08:16,437 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 82 transitions. [2024-10-11 20:08:16,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-10-11 20:08:16,437 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:08:16,437 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-11 20:08:16,437 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-11 20:08:16,438 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [borErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, borErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-10-11 20:08:16,438 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:08:16,438 INFO L85 PathProgramCache]: Analyzing trace with hash -588394010, now seen corresponding path program 1 times [2024-10-11 20:08:16,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:08:16,438 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686789694] [2024-10-11 20:08:16,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:08:16,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:08:16,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:08:16,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-11 20:08:16,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:08:16,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 20:08:16,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:08:16,502 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-11 20:08:16,502 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:08:16,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686789694] [2024-10-11 20:08:16,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [686789694] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:08:16,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [269323718] [2024-10-11 20:08:16,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:08:16,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:08:16,502 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:08:16,504 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:08:16,505 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-10-11 20:08:16,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:08:16,585 INFO L255 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-11 20:08:16,586 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:08:16,617 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-11 20:08:16,617 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:08:16,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [269323718] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:08:16,617 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:08:16,617 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2024-10-11 20:08:16,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80071767] [2024-10-11 20:08:16,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:08:16,618 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:08:16,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:08:16,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:08:16,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-10-11 20:08:16,618 INFO L87 Difference]: Start difference. First operand 68 states and 82 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 20:08:16,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:08:16,645 INFO L93 Difference]: Finished difference Result 68 states and 82 transitions. [2024-10-11 20:08:16,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:08:16,645 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), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 43 [2024-10-11 20:08:16,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:08:16,646 INFO L225 Difference]: With dead ends: 68 [2024-10-11 20:08:16,646 INFO L226 Difference]: Without dead ends: 66 [2024-10-11 20:08:16,646 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-10-11 20:08:16,647 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 1 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 20:08:16,647 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 66 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 20:08:16,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2024-10-11 20:08:16,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2024-10-11 20:08:16,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 58 states have (on average 1.206896551724138) internal successors, (70), 60 states have internal predecessors, (70), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (6), 3 states have call predecessors, (6), 4 states have call successors, (6) [2024-10-11 20:08:16,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 80 transitions. [2024-10-11 20:08:16,652 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 80 transitions. Word has length 43 [2024-10-11 20:08:16,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:08:16,652 INFO L471 AbstractCegarLoop]: Abstraction has 66 states and 80 transitions. [2024-10-11 20:08:16,652 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), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 20:08:16,652 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 80 transitions. [2024-10-11 20:08:16,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-10-11 20:08:16,653 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:08:16,653 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:08:16,670 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-10-11 20:08:16,853 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-10-11 20:08:16,854 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [borErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, borErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-10-11 20:08:16,854 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:08:16,854 INFO L85 PathProgramCache]: Analyzing trace with hash -1060345020, now seen corresponding path program 1 times [2024-10-11 20:08:16,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:08:16,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1843408631] [2024-10-11 20:08:16,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:08:16,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:08:16,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:08:16,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-11 20:08:16,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:08:16,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 20:08:16,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:08:16,952 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-11 20:08:16,953 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:08:16,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1843408631] [2024-10-11 20:08:16,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1843408631] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:08:16,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [216620759] [2024-10-11 20:08:16,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:08:16,953 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:08:16,954 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:08:16,955 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:08:16,956 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-10-11 20:08:17,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:08:17,035 INFO L255 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 20:08:17,037 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:08:17,065 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-11 20:08:17,066 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:08:17,124 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-11 20:08:17,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [216620759] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:08:17,125 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:08:17,125 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2024-10-11 20:08:17,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943589755] [2024-10-11 20:08:17,125 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:08:17,125 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-11 20:08:17,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:08:17,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-11 20:08:17,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-10-11 20:08:17,126 INFO L87 Difference]: Start difference. First operand 66 states and 80 transitions. Second operand has 10 states, 9 states have (on average 5.555555555555555) internal successors, (50), 10 states have internal predecessors, (50), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 20:08:17,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:08:17,180 INFO L93 Difference]: Finished difference Result 80 states and 95 transitions. [2024-10-11 20:08:17,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 20:08:17,181 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 5.555555555555555) internal successors, (50), 10 states have internal predecessors, (50), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 44 [2024-10-11 20:08:17,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:08:17,182 INFO L225 Difference]: With dead ends: 80 [2024-10-11 20:08:17,182 INFO L226 Difference]: Without dead ends: 78 [2024-10-11 20:08:17,182 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-10-11 20:08:17,183 INFO L432 NwaCegarLoop]: 25 mSDtfsCounter, 0 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 20:08:17,184 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 142 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 20:08:17,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2024-10-11 20:08:17,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2024-10-11 20:08:17,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 70 states have (on average 1.1714285714285715) internal successors, (82), 72 states have internal predecessors, (82), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (6), 3 states have call predecessors, (6), 4 states have call successors, (6) [2024-10-11 20:08:17,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 92 transitions. [2024-10-11 20:08:17,189 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 92 transitions. Word has length 44 [2024-10-11 20:08:17,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:08:17,190 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 92 transitions. [2024-10-11 20:08:17,190 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 5.555555555555555) internal successors, (50), 10 states have internal predecessors, (50), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 20:08:17,190 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 92 transitions. [2024-10-11 20:08:17,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-10-11 20:08:17,191 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:08:17,191 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:08:17,207 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-10-11 20:08:17,391 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-10-11 20:08:17,391 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [borErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, borErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-10-11 20:08:17,392 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:08:17,392 INFO L85 PathProgramCache]: Analyzing trace with hash 629570050, now seen corresponding path program 1 times [2024-10-11 20:08:17,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:08:17,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [991490659] [2024-10-11 20:08:17,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:08:17,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:08:17,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:08:17,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-11 20:08:17,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:08:17,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 20:08:17,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:08:17,468 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2024-10-11 20:08:17,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:08:17,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [991490659] [2024-10-11 20:08:17,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [991490659] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:08:17,469 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:08:17,469 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 20:08:17,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414123311] [2024-10-11 20:08:17,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:08:17,469 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 20:08:17,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:08:17,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 20:08:17,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:08:17,470 INFO L87 Difference]: Start difference. First operand 78 states and 92 transitions. Second operand has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 20:08:17,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:08:17,484 INFO L93 Difference]: Finished difference Result 78 states and 92 transitions. [2024-10-11 20:08:17,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 20:08:17,485 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 53 [2024-10-11 20:08:17,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:08:17,485 INFO L225 Difference]: With dead ends: 78 [2024-10-11 20:08:17,485 INFO L226 Difference]: Without dead ends: 77 [2024-10-11 20:08:17,486 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:08:17,486 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 0 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 20:08:17,486 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 52 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 20:08:17,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2024-10-11 20:08:17,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2024-10-11 20:08:17,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 70 states have (on average 1.1571428571428573) internal successors, (81), 71 states have internal predecessors, (81), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (6), 3 states have call predecessors, (6), 4 states have call successors, (6) [2024-10-11 20:08:17,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 91 transitions. [2024-10-11 20:08:17,491 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 91 transitions. Word has length 53 [2024-10-11 20:08:17,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:08:17,491 INFO L471 AbstractCegarLoop]: Abstraction has 77 states and 91 transitions. [2024-10-11 20:08:17,491 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 20:08:17,491 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 91 transitions. [2024-10-11 20:08:17,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-10-11 20:08:17,492 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:08:17,492 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:08:17,492 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-10-11 20:08:17,492 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [borErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, borErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-10-11 20:08:17,493 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:08:17,493 INFO L85 PathProgramCache]: Analyzing trace with hash -1773677564, now seen corresponding path program 2 times [2024-10-11 20:08:17,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:08:17,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [307131283] [2024-10-11 20:08:17,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:08:17,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:08:17,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:08:17,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-11 20:08:17,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:08:17,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 20:08:17,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:08:17,569 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-10-11 20:08:17,570 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:08:17,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [307131283] [2024-10-11 20:08:17,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [307131283] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:08:17,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1374283458] [2024-10-11 20:08:17,570 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-11 20:08:17,570 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:08:17,570 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:08:17,572 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:08:17,573 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-10-11 20:08:17,641 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-10-11 20:08:17,641 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 20:08:17,642 INFO L255 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-11 20:08:17,643 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:08:17,705 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-10-11 20:08:17,706 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:08:17,765 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-10-11 20:08:17,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1374283458] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:08:17,766 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:08:17,766 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 2, 3] total 5 [2024-10-11 20:08:17,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [756876528] [2024-10-11 20:08:17,766 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:08:17,766 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 20:08:17,766 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:08:17,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 20:08:17,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-11 20:08:17,767 INFO L87 Difference]: Start difference. First operand 77 states and 91 transitions. Second operand has 6 states, 5 states have (on average 10.8) internal successors, (54), 6 states have internal predecessors, (54), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-11 20:08:17,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:08:17,798 INFO L93 Difference]: Finished difference Result 77 states and 91 transitions. [2024-10-11 20:08:17,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:08:17,798 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), 2 states have call successors, (6), 2 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 58 [2024-10-11 20:08:17,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:08:17,799 INFO L225 Difference]: With dead ends: 77 [2024-10-11 20:08:17,799 INFO L226 Difference]: Without dead ends: 0 [2024-10-11 20:08:17,799 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-11 20:08:17,799 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 8 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 20:08:17,800 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 36 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 20:08:17,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-10-11 20:08:17,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-10-11 20:08:17,800 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) [2024-10-11 20:08:17,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-10-11 20:08:17,800 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2024-10-11 20:08:17,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:08:17,801 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-11 20:08:17,801 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), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-11 20:08:17,801 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-10-11 20:08:17,801 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-10-11 20:08:17,803 INFO L782 garLoopResultBuilder]: Registering result SAFE for location borErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 12 remaining) [2024-10-11 20:08:17,804 INFO L782 garLoopResultBuilder]: Registering result SAFE for location borErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 12 remaining) [2024-10-11 20:08:17,804 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 12 remaining) [2024-10-11 20:08:17,804 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 12 remaining) [2024-10-11 20:08:17,804 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 12 remaining) [2024-10-11 20:08:17,804 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 12 remaining) [2024-10-11 20:08:17,804 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 12 remaining) [2024-10-11 20:08:17,804 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 12 remaining) [2024-10-11 20:08:17,805 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 12 remaining) [2024-10-11 20:08:17,805 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 12 remaining) [2024-10-11 20:08:17,805 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 12 remaining) [2024-10-11 20:08:17,805 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 12 remaining) [2024-10-11 20:08:17,822 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-10-11 20:08:18,009 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,15 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:08:18,014 INFO L407 BasicCegarLoop]: Path program histogram: [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:08:18,016 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-10-11 20:08:18,228 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-11 20:08:18,250 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 08:08:18 BoogieIcfgContainer [2024-10-11 20:08:18,250 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-11 20:08:18,251 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-11 20:08:18,251 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-11 20:08:18,251 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-11 20:08:18,251 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 08:08:09" (3/4) ... [2024-10-11 20:08:18,254 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-11 20:08:18,257 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure bor [2024-10-11 20:08:18,263 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2024-10-11 20:08:18,263 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2024-10-11 20:08:18,263 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-10-11 20:08:18,264 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-11 20:08:18,361 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-11 20:08:18,362 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-11 20:08:18,362 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-11 20:08:18,362 INFO L158 Benchmark]: Toolchain (without parser) took 9770.12ms. Allocated memory was 140.5MB in the beginning and 178.3MB in the end (delta: 37.7MB). Free memory was 87.3MB in the beginning and 57.0MB in the end (delta: 30.3MB). Peak memory consumption was 66.8MB. Max. memory is 16.1GB. [2024-10-11 20:08:18,363 INFO L158 Benchmark]: CDTParser took 1.09ms. Allocated memory is still 88.1MB. Free memory is still 51.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 20:08:18,363 INFO L158 Benchmark]: CACSL2BoogieTranslator took 253.01ms. Allocated memory is still 140.5MB. Free memory was 87.3MB in the beginning and 74.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-11 20:08:18,363 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.03ms. Allocated memory is still 140.5MB. Free memory was 74.7MB in the beginning and 73.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-11 20:08:18,363 INFO L158 Benchmark]: Boogie Preprocessor took 42.77ms. Allocated memory is still 140.5MB. Free memory was 73.0MB in the beginning and 70.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-11 20:08:18,363 INFO L158 Benchmark]: RCFGBuilder took 573.07ms. Allocated memory is still 140.5MB. Free memory was 70.9MB in the beginning and 100.1MB in the end (delta: -29.2MB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB. [2024-10-11 20:08:18,364 INFO L158 Benchmark]: TraceAbstraction took 8748.99ms. Allocated memory was 140.5MB in the beginning and 178.3MB in the end (delta: 37.7MB). Free memory was 99.7MB in the beginning and 63.2MB in the end (delta: 36.5MB). Peak memory consumption was 76.3MB. Max. memory is 16.1GB. [2024-10-11 20:08:18,364 INFO L158 Benchmark]: Witness Printer took 111.42ms. Allocated memory is still 178.3MB. Free memory was 62.2MB in the beginning and 57.0MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-11 20:08:18,367 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.09ms. Allocated memory is still 88.1MB. Free memory is still 51.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 253.01ms. Allocated memory is still 140.5MB. Free memory was 87.3MB in the beginning and 74.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.03ms. Allocated memory is still 140.5MB. Free memory was 74.7MB in the beginning and 73.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.77ms. Allocated memory is still 140.5MB. Free memory was 73.0MB in the beginning and 70.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 573.07ms. Allocated memory is still 140.5MB. Free memory was 70.9MB in the beginning and 100.1MB in the end (delta: -29.2MB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB. * TraceAbstraction took 8748.99ms. Allocated memory was 140.5MB in the beginning and 178.3MB in the end (delta: 37.7MB). Free memory was 99.7MB in the beginning and 63.2MB in the end (delta: 36.5MB). Peak memory consumption was 76.3MB. Max. memory is 16.1GB. * Witness Printer took 111.42ms. Allocated memory is still 178.3MB. Free memory was 62.2MB in the beginning and 57.0MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 50 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 8.5s, OverallIterations: 19, TraceHistogramMax: 5, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 271 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 271 mSDsluCounter, 2174 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1577 mSDsCounter, 17 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1041 IncrementalHoareTripleChecker+Invalid, 1058 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 17 mSolverCounterUnsat, 597 mSDtfsCounter, 1041 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 690 GetRequests, 547 SyntacticMatches, 12 SemanticMatches, 131 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 297 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=90occurred in iteration=12, InterpolantAutomatonStates: 111, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 19 MinimizatonAttempts, 47 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 862 NumberOfCodeBlocks, 788 NumberOfCodeBlocksAsserted, 34 NumberOfCheckSat, 1019 ConstructedInterpolants, 0 QuantifiedInterpolants, 2133 SizeOfPredicates, 9 NumberOfNonLiveVariables, 1614 ConjunctsInSsa, 56 ConjunctsInUnsatCore, 40 InterpolantComputations, 12 PerfectInterpolantSequences, 493/652 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 12 specifications checked. All of them hold - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: ((((N <= 2147483647) && (((2 == i) || (1 == i)) || (2 < N))) && (0 <= (2147483648 + i))) && (2 <= N)) - InvariantResult [Line: 40]: Loop Invariant Derived loop invariant: ((((N <= 2147483647) && (i == 0)) && (2 <= N)) || (((N <= 2147483647) && (1 <= i)) && (2 <= N))) - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: (((N <= 2147483647) && (0 <= (i + 2147483648))) && (2 <= N)) - ProcedureContractResult [Line: 19]: Procedure Contract for bor Derived contract for procedure bor. Requires: ((N <= 2147483647) && (2 <= N)) Ensures: ((N <= 2147483647) && (2 <= N)) RESULT: Ultimate proved your program to be correct! [2024-10-11 20:08:18,396 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE