./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/array-examples/standard_init6_ground-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/array-examples/standard_init6_ground-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ff138f81519ab5ff475befdf624922816837c8f1983c223aa78c0525de509876 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 11:01:51,780 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 11:01:51,858 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-09 11:01:51,864 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 11:01:51,864 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 11:01:51,891 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 11:01:51,892 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 11:01:51,893 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 11:01:51,893 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 11:01:51,894 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 11:01:51,894 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 11:01:51,895 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 11:01:51,896 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 11:01:51,898 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 11:01:51,898 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 11:01:51,898 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 11:01:51,899 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 11:01:51,899 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 11:01:51,899 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 11:01:51,900 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 11:01:51,900 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 11:01:51,903 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 11:01:51,904 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 11:01:51,904 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 11:01:51,904 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 11:01:51,905 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 11:01:51,905 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 11:01:51,905 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 11:01:51,905 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 11:01:51,906 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 11:01:51,906 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 11:01:51,906 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 11:01:51,906 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 11:01:51,907 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 11:01:51,907 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 11:01:51,908 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 11:01:51,909 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 11:01:51,909 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 11:01:51,909 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 11:01:51,909 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 11:01:51,909 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 11:01:51,910 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 11:01:51,910 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 11:01:51,910 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 11:01:51,911 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ff138f81519ab5ff475befdf624922816837c8f1983c223aa78c0525de509876 [2024-11-09 11:01:52,186 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 11:01:52,212 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 11:01:52,215 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 11:01:52,217 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 11:01:52,217 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 11:01:52,218 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-examples/standard_init6_ground-1.i [2024-11-09 11:01:53,660 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 11:01:53,851 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 11:01:53,851 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-examples/standard_init6_ground-1.i [2024-11-09 11:01:53,858 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb50f369f/aa4c4868352d42ec8f2551e79aaab442/FLAGca3b67f45 [2024-11-09 11:01:53,870 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb50f369f/aa4c4868352d42ec8f2551e79aaab442 [2024-11-09 11:01:53,872 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 11:01:53,873 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 11:01:53,874 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 11:01:53,874 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 11:01:53,880 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 11:01:53,881 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:01:53" (1/1) ... [2024-11-09 11:01:53,882 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ddb6353 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:01:53, skipping insertion in model container [2024-11-09 11:01:53,882 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:01:53" (1/1) ... [2024-11-09 11:01:53,905 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 11:01:54,085 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 11:01:54,097 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 11:01:54,126 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 11:01:54,144 INFO L204 MainTranslator]: Completed translation [2024-11-09 11:01:54,145 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:01:54 WrapperNode [2024-11-09 11:01:54,145 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 11:01:54,147 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 11:01:54,147 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 11:01:54,147 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 11:01:54,155 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:01:54" (1/1) ... [2024-11-09 11:01:54,162 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:01:54" (1/1) ... [2024-11-09 11:01:54,228 INFO L138 Inliner]: procedures = 15, calls = 18, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 90 [2024-11-09 11:01:54,233 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 11:01:54,235 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 11:01:54,235 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 11:01:54,235 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 11:01:54,244 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:01:54" (1/1) ... [2024-11-09 11:01:54,245 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:01:54" (1/1) ... [2024-11-09 11:01:54,248 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:01:54" (1/1) ... [2024-11-09 11:01:54,264 INFO L175 MemorySlicer]: Split 9 memory accesses to 2 slices as follows [2, 7]. 78 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 6 writes are split as follows [0, 6]. [2024-11-09 11:01:54,265 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:01:54" (1/1) ... [2024-11-09 11:01:54,278 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:01:54" (1/1) ... [2024-11-09 11:01:54,283 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:01:54" (1/1) ... [2024-11-09 11:01:54,287 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:01:54" (1/1) ... [2024-11-09 11:01:54,288 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:01:54" (1/1) ... [2024-11-09 11:01:54,289 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:01:54" (1/1) ... [2024-11-09 11:01:54,290 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 11:01:54,291 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 11:01:54,291 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 11:01:54,291 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 11:01:54,292 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:01:54" (1/1) ... [2024-11-09 11:01:54,299 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 11:01:54,310 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:01:54,325 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-09 11:01:54,327 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-09 11:01:54,370 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 11:01:54,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 11:01:54,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-09 11:01:54,371 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 11:01:54,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-09 11:01:54,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-09 11:01:54,371 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 11:01:54,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 11:01:54,372 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-09 11:01:54,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-09 11:01:54,373 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 11:01:54,437 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 11:01:54,438 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 11:01:54,665 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-11-09 11:01:54,665 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 11:01:54,680 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 11:01:54,680 INFO L316 CfgBuilder]: Removed 7 assume(true) statements. [2024-11-09 11:01:54,681 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:01:54 BoogieIcfgContainer [2024-11-09 11:01:54,681 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 11:01:54,683 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 11:01:54,683 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 11:01:54,686 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 11:01:54,686 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 11:01:53" (1/3) ... [2024-11-09 11:01:54,687 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62cbb20a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 11:01:54, skipping insertion in model container [2024-11-09 11:01:54,687 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:01:54" (2/3) ... [2024-11-09 11:01:54,687 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62cbb20a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 11:01:54, skipping insertion in model container [2024-11-09 11:01:54,687 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:01:54" (3/3) ... [2024-11-09 11:01:54,688 INFO L112 eAbstractionObserver]: Analyzing ICFG standard_init6_ground-1.i [2024-11-09 11:01:54,706 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 11:01:54,706 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 14 error locations. [2024-11-09 11:01:54,755 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 11:01:54,762 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;@71285c1d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 11:01:54,762 INFO L334 AbstractCegarLoop]: Starting to check reachability of 14 error locations. [2024-11-09 11:01:54,766 INFO L276 IsEmpty]: Start isEmpty. Operand has 53 states, 38 states have (on average 1.7894736842105263) internal successors, (68), 52 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:01:54,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-09 11:01:54,771 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:01:54,771 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-09 11:01:54,772 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-09 11:01:54,776 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:01:54,776 INFO L85 PathProgramCache]: Analyzing trace with hash 925796, now seen corresponding path program 1 times [2024-11-09 11:01:54,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:01:54,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032647205] [2024-11-09 11:01:54,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:01:54,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:01:54,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:01:54,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:01:54,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:01:54,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1032647205] [2024-11-09 11:01:54,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1032647205] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:01:54,976 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:01:54,976 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:01:54,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887529548] [2024-11-09 11:01:54,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:01:54,982 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:01:54,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:01:55,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:01:55,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:01:55,003 INFO L87 Difference]: Start difference. First operand has 53 states, 38 states have (on average 1.7894736842105263) internal successors, (68), 52 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 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) [2024-11-09 11:01:55,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:01:55,169 INFO L93 Difference]: Finished difference Result 118 states and 168 transitions. [2024-11-09 11:01:55,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:01:55,172 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 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 [2024-11-09 11:01:55,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:01:55,180 INFO L225 Difference]: With dead ends: 118 [2024-11-09 11:01:55,181 INFO L226 Difference]: Without dead ends: 64 [2024-11-09 11:01:55,183 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:01:55,186 INFO L432 NwaCegarLoop]: 40 mSDtfsCounter, 11 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:01:55,186 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 55 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:01:55,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2024-11-09 11:01:55,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2024-11-09 11:01:55,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 50 states have (on average 1.4) internal successors, (70), 63 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:01:55,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 70 transitions. [2024-11-09 11:01:55,219 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 70 transitions. Word has length 4 [2024-11-09 11:01:55,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:01:55,219 INFO L471 AbstractCegarLoop]: Abstraction has 64 states and 70 transitions. [2024-11-09 11:01:55,219 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 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) [2024-11-09 11:01:55,220 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 70 transitions. [2024-11-09 11:01:55,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-09 11:01:55,220 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:01:55,220 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2024-11-09 11:01:55,221 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 11:01:55,221 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-09 11:01:55,222 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:01:55,222 INFO L85 PathProgramCache]: Analyzing trace with hash 1810629419, now seen corresponding path program 1 times [2024-11-09 11:01:55,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:01:55,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [183048044] [2024-11-09 11:01:55,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:01:55,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:01:55,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:01:55,319 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:01:55,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:01:55,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [183048044] [2024-11-09 11:01:55,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [183048044] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:01:55,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [8974481] [2024-11-09 11:01:55,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:01:55,320 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:01:55,321 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:01:55,323 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:01:55,325 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 11:01:55,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:01:55,392 INFO L255 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 11:01:55,396 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:01:55,457 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:01:55,457 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:01:55,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [8974481] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:01:55,457 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:01:55,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-11-09 11:01:55,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776851745] [2024-11-09 11:01:55,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:01:55,459 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:01:55,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:01:55,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:01:55,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:01:55,464 INFO L87 Difference]: Start difference. First operand 64 states and 70 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:01:55,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:01:55,604 INFO L93 Difference]: Finished difference Result 64 states and 70 transitions. [2024-11-09 11:01:55,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:01:55,605 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-09 11:01:55,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:01:55,605 INFO L225 Difference]: With dead ends: 64 [2024-11-09 11:01:55,606 INFO L226 Difference]: Without dead ends: 58 [2024-11-09 11:01:55,606 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:01:55,607 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 21 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:01:55,607 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 36 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:01:55,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2024-11-09 11:01:55,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2024-11-09 11:01:55,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 50 states have (on average 1.28) internal successors, (64), 57 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:01:55,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 64 transitions. [2024-11-09 11:01:55,614 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 64 transitions. Word has length 7 [2024-11-09 11:01:55,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:01:55,614 INFO L471 AbstractCegarLoop]: Abstraction has 58 states and 64 transitions. [2024-11-09 11:01:55,614 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:01:55,615 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 64 transitions. [2024-11-09 11:01:55,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-09 11:01:55,615 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:01:55,615 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1] [2024-11-09 11:01:55,632 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-09 11:01:55,815 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:01:55,816 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-09 11:01:55,817 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:01:55,817 INFO L85 PathProgramCache]: Analyzing trace with hash 294937186, now seen corresponding path program 1 times [2024-11-09 11:01:55,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:01:55,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777078947] [2024-11-09 11:01:55,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:01:55,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:01:55,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:01:55,852 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 11:01:55,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:01:55,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [777078947] [2024-11-09 11:01:55,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [777078947] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:01:55,853 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:01:55,853 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:01:55,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62833694] [2024-11-09 11:01:55,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:01:55,853 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:01:55,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:01:55,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:01:55,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:01:55,854 INFO L87 Difference]: Start difference. First operand 58 states and 64 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:01:55,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:01:55,914 INFO L93 Difference]: Finished difference Result 58 states and 64 transitions. [2024-11-09 11:01:55,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:01:55,915 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-11-09 11:01:55,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:01:55,916 INFO L225 Difference]: With dead ends: 58 [2024-11-09 11:01:55,916 INFO L226 Difference]: Without dead ends: 52 [2024-11-09 11:01:55,916 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:01:55,918 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 10 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:01:55,919 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 32 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:01:55,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2024-11-09 11:01:55,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 40. [2024-11-09 11:01:55,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 38 states have (on average 1.2105263157894737) internal successors, (46), 39 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:01:55,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 46 transitions. [2024-11-09 11:01:55,926 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 46 transitions. Word has length 8 [2024-11-09 11:01:55,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:01:55,926 INFO L471 AbstractCegarLoop]: Abstraction has 40 states and 46 transitions. [2024-11-09 11:01:55,926 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:01:55,926 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 46 transitions. [2024-11-09 11:01:55,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-09 11:01:55,929 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:01:55,929 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:01:55,930 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 11:01:55,931 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-09 11:01:55,931 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:01:55,932 INFO L85 PathProgramCache]: Analyzing trace with hash -710558051, now seen corresponding path program 1 times [2024-11-09 11:01:55,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:01:55,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566022791] [2024-11-09 11:01:55,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:01:55,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:01:55,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:01:56,074 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 11:01:56,076 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:01:56,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1566022791] [2024-11-09 11:01:56,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1566022791] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:01:56,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1303847411] [2024-11-09 11:01:56,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:01:56,077 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:01:56,077 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:01:56,081 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:01:56,082 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 11:01:56,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:01:56,145 INFO L255 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 11:01:56,147 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:01:56,173 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 11:01:56,173 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:01:56,209 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 11:01:56,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1303847411] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:01:56,209 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:01:56,209 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-11-09 11:01:56,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51477191] [2024-11-09 11:01:56,210 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:01:56,210 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 11:01:56,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:01:56,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 11:01:56,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-09 11:01:56,215 INFO L87 Difference]: Start difference. First operand 40 states and 46 transitions. Second operand has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 7 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:01:56,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:01:56,373 INFO L93 Difference]: Finished difference Result 128 states and 157 transitions. [2024-11-09 11:01:56,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 11:01:56,374 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 7 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2024-11-09 11:01:56,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:01:56,375 INFO L225 Difference]: With dead ends: 128 [2024-11-09 11:01:56,375 INFO L226 Difference]: Without dead ends: 94 [2024-11-09 11:01:56,376 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-09 11:01:56,377 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 64 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:01:56,377 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 52 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:01:56,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2024-11-09 11:01:56,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2024-11-09 11:01:56,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 92 states have (on average 1.0869565217391304) internal successors, (100), 93 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:01:56,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 100 transitions. [2024-11-09 11:01:56,392 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 100 transitions. Word has length 37 [2024-11-09 11:01:56,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:01:56,392 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 100 transitions. [2024-11-09 11:01:56,393 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 7 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:01:56,393 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 100 transitions. [2024-11-09 11:01:56,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-09 11:01:56,396 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:01:56,396 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:01:56,413 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-09 11:01:56,597 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2024-11-09 11:01:56,598 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-09 11:01:56,598 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:01:56,598 INFO L85 PathProgramCache]: Analyzing trace with hash 1766143220, now seen corresponding path program 2 times [2024-11-09 11:01:56,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:01:56,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439783018] [2024-11-09 11:01:56,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:01:56,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:01:56,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:01:56,867 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2024-11-09 11:01:56,867 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:01:56,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439783018] [2024-11-09 11:01:56,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1439783018] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:01:56,867 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:01:56,867 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:01:56,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530117648] [2024-11-09 11:01:56,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:01:56,868 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:01:56,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:01:56,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:01:56,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:01:56,870 INFO L87 Difference]: Start difference. First operand 94 states and 100 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:01:56,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:01:56,893 INFO L93 Difference]: Finished difference Result 102 states and 108 transitions. [2024-11-09 11:01:56,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:01:56,894 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2024-11-09 11:01:56,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:01:56,895 INFO L225 Difference]: With dead ends: 102 [2024-11-09 11:01:56,895 INFO L226 Difference]: Without dead ends: 100 [2024-11-09 11:01:56,895 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:01:56,896 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 1 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:01:56,896 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 103 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:01:56,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2024-11-09 11:01:56,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2024-11-09 11:01:56,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 98 states have (on average 1.0816326530612246) internal successors, (106), 99 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:01:56,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 106 transitions. [2024-11-09 11:01:56,910 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 106 transitions. Word has length 91 [2024-11-09 11:01:56,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:01:56,912 INFO L471 AbstractCegarLoop]: Abstraction has 100 states and 106 transitions. [2024-11-09 11:01:56,913 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:01:56,913 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 106 transitions. [2024-11-09 11:01:56,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-09 11:01:56,915 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:01:56,915 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:01:56,917 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 11:01:56,917 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-09 11:01:56,918 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:01:56,918 INFO L85 PathProgramCache]: Analyzing trace with hash -252457886, now seen corresponding path program 1 times [2024-11-09 11:01:56,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:01:56,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533887506] [2024-11-09 11:01:56,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:01:56,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:01:56,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:01:57,124 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2024-11-09 11:01:57,124 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:01:57,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1533887506] [2024-11-09 11:01:57,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1533887506] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:01:57,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [71379592] [2024-11-09 11:01:57,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:01:57,125 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:01:57,125 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:01:57,127 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:01:57,128 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-09 11:01:57,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:01:57,237 INFO L255 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 11:01:57,241 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:01:57,286 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2024-11-09 11:01:57,289 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:01:57,376 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2024-11-09 11:01:57,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [71379592] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:01:57,377 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:01:57,377 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2024-11-09 11:01:57,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704154345] [2024-11-09 11:01:57,378 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:01:57,379 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-09 11:01:57,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:01:57,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-09 11:01:57,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2024-11-09 11:01:57,380 INFO L87 Difference]: Start difference. First operand 100 states and 106 transitions. Second operand has 13 states, 13 states have (on average 5.076923076923077) internal successors, (66), 13 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:01:57,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:01:57,719 INFO L93 Difference]: Finished difference Result 293 states and 340 transitions. [2024-11-09 11:01:57,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-09 11:01:57,723 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.076923076923077) internal successors, (66), 13 states have internal predecessors, (66), 0 states have call successors, (0), 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 97 [2024-11-09 11:01:57,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:01:57,724 INFO L225 Difference]: With dead ends: 293 [2024-11-09 11:01:57,725 INFO L226 Difference]: Without dead ends: 208 [2024-11-09 11:01:57,725 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2024-11-09 11:01:57,726 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 244 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 157 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 244 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 355 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 157 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 11:01:57,726 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [244 Valid, 42 Invalid, 355 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [157 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 11:01:57,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2024-11-09 11:01:57,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 208. [2024-11-09 11:01:57,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 206 states have (on average 1.0388349514563107) internal successors, (214), 207 states have internal predecessors, (214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:01:57,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 214 transitions. [2024-11-09 11:01:57,752 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 214 transitions. Word has length 97 [2024-11-09 11:01:57,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:01:57,752 INFO L471 AbstractCegarLoop]: Abstraction has 208 states and 214 transitions. [2024-11-09 11:01:57,753 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.076923076923077) internal successors, (66), 13 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:01:57,753 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 214 transitions. [2024-11-09 11:01:57,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2024-11-09 11:01:57,756 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:01:57,756 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:01:57,773 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-09 11:01:57,959 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:01:57,960 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-09 11:01:57,960 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:01:57,960 INFO L85 PathProgramCache]: Analyzing trace with hash -25936958, now seen corresponding path program 2 times [2024-11-09 11:01:57,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:01:57,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1143647917] [2024-11-09 11:01:57,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:01:57,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:01:58,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:01:58,487 INFO L134 CoverageAnalysis]: Checked inductivity of 875 backedges. 0 proven. 145 refuted. 0 times theorem prover too weak. 730 trivial. 0 not checked. [2024-11-09 11:01:58,487 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:01:58,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1143647917] [2024-11-09 11:01:58,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1143647917] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:01:58,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1638496321] [2024-11-09 11:01:58,488 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 11:01:58,488 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:01:58,488 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:01:58,490 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:01:58,491 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-09 11:01:58,663 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-09 11:01:58,663 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:01:58,667 INFO L255 TraceCheckSpWp]: Trace formula consists of 616 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 11:01:58,675 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:01:58,759 INFO L134 CoverageAnalysis]: Checked inductivity of 875 backedges. 0 proven. 145 refuted. 0 times theorem prover too weak. 730 trivial. 0 not checked. [2024-11-09 11:01:58,760 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:01:59,028 INFO L134 CoverageAnalysis]: Checked inductivity of 875 backedges. 0 proven. 145 refuted. 0 times theorem prover too weak. 730 trivial. 0 not checked. [2024-11-09 11:01:59,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1638496321] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:01:59,028 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:01:59,029 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 25 [2024-11-09 11:01:59,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [838161290] [2024-11-09 11:01:59,029 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:01:59,030 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-11-09 11:01:59,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:01:59,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-11-09 11:01:59,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=300, Invalid=300, Unknown=0, NotChecked=0, Total=600 [2024-11-09 11:01:59,032 INFO L87 Difference]: Start difference. First operand 208 states and 214 transitions. Second operand has 25 states, 25 states have (on average 4.08) internal successors, (102), 25 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:01:59,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:01:59,817 INFO L93 Difference]: Finished difference Result 599 states and 682 transitions. [2024-11-09 11:01:59,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-09 11:01:59,817 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 4.08) internal successors, (102), 25 states have internal predecessors, (102), 0 states have call successors, (0), 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 205 [2024-11-09 11:01:59,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:01:59,819 INFO L225 Difference]: With dead ends: 599 [2024-11-09 11:01:59,819 INFO L226 Difference]: Without dead ends: 424 [2024-11-09 11:01:59,821 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 421 GetRequests, 398 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=300, Invalid=300, Unknown=0, NotChecked=0, Total=600 [2024-11-09 11:01:59,821 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 604 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 432 mSolverCounterSat, 367 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 604 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 799 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 367 IncrementalHoareTripleChecker+Valid, 432 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-09 11:01:59,822 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [604 Valid, 42 Invalid, 799 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [367 Valid, 432 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-09 11:01:59,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 424 states. [2024-11-09 11:01:59,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 424 to 424. [2024-11-09 11:01:59,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 424 states, 422 states have (on average 1.018957345971564) internal successors, (430), 423 states have internal predecessors, (430), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:01:59,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 424 states and 430 transitions. [2024-11-09 11:01:59,847 INFO L78 Accepts]: Start accepts. Automaton has 424 states and 430 transitions. Word has length 205 [2024-11-09 11:01:59,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:01:59,848 INFO L471 AbstractCegarLoop]: Abstraction has 424 states and 430 transitions. [2024-11-09 11:01:59,848 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 4.08) internal successors, (102), 25 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:01:59,848 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 430 transitions. [2024-11-09 11:01:59,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 422 [2024-11-09 11:01:59,861 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:01:59,861 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:01:59,880 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-09 11:02:00,061 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:02:00,062 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-09 11:02:00,062 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:02:00,062 INFO L85 PathProgramCache]: Analyzing trace with hash 720781954, now seen corresponding path program 3 times [2024-11-09 11:02:00,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:02:00,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187450013] [2024-11-09 11:02:00,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:02:00,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:02:00,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:02:01,758 INFO L134 CoverageAnalysis]: Checked inductivity of 4295 backedges. 0 proven. 715 refuted. 0 times theorem prover too weak. 3580 trivial. 0 not checked. [2024-11-09 11:02:01,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:02:01,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187450013] [2024-11-09 11:02:01,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1187450013] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:02:01,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2122784599] [2024-11-09 11:02:01,759 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-09 11:02:01,760 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:02:01,760 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:02:01,762 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:02:01,766 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-09 11:02:01,945 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-09 11:02:01,946 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:02:01,947 INFO L255 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:02:01,959 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:02:02,039 INFO L134 CoverageAnalysis]: Checked inductivity of 4295 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4290 trivial. 0 not checked. [2024-11-09 11:02:02,040 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:02:02,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2122784599] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:02:02,040 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:02:02,040 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [25] total 28 [2024-11-09 11:02:02,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1909407512] [2024-11-09 11:02:02,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:02:02,041 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 11:02:02,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:02:02,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 11:02:02,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=307, Invalid=449, Unknown=0, NotChecked=0, Total=756 [2024-11-09 11:02:02,042 INFO L87 Difference]: Start difference. First operand 424 states and 430 transitions. Second operand has 5 states, 4 states have (on average 10.75) internal successors, (43), 5 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:02:02,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:02:02,067 INFO L93 Difference]: Finished difference Result 424 states and 430 transitions. [2024-11-09 11:02:02,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:02:02,068 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.75) internal successors, (43), 5 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 421 [2024-11-09 11:02:02,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:02:02,073 INFO L225 Difference]: With dead ends: 424 [2024-11-09 11:02:02,073 INFO L226 Difference]: Without dead ends: 423 [2024-11-09 11:02:02,074 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 445 GetRequests, 419 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=307, Invalid=449, Unknown=0, NotChecked=0, Total=756 [2024-11-09 11:02:02,074 INFO L432 NwaCegarLoop]: 34 mSDtfsCounter, 1 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:02:02,074 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 97 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:02:02,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 423 states. [2024-11-09 11:02:02,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 423 to 423. [2024-11-09 11:02:02,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 423 states, 422 states have (on average 1.0165876777251184) internal successors, (429), 422 states have internal predecessors, (429), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:02:02,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 423 states and 429 transitions. [2024-11-09 11:02:02,097 INFO L78 Accepts]: Start accepts. Automaton has 423 states and 429 transitions. Word has length 421 [2024-11-09 11:02:02,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:02:02,098 INFO L471 AbstractCegarLoop]: Abstraction has 423 states and 429 transitions. [2024-11-09 11:02:02,098 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 10.75) internal successors, (43), 5 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:02:02,098 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 429 transitions. [2024-11-09 11:02:02,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 423 [2024-11-09 11:02:02,103 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:02:02,104 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:02:02,121 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-09 11:02:02,304 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:02:02,305 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-09 11:02:02,305 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:02:02,307 INFO L85 PathProgramCache]: Analyzing trace with hash 869404258, now seen corresponding path program 1 times [2024-11-09 11:02:02,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:02:02,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093963976] [2024-11-09 11:02:02,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:02:02,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:02:02,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:02:02,631 INFO L134 CoverageAnalysis]: Checked inductivity of 4296 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4291 trivial. 0 not checked. [2024-11-09 11:02:02,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:02:02,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2093963976] [2024-11-09 11:02:02,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2093963976] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:02:02,632 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:02:02,632 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:02:02,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258326675] [2024-11-09 11:02:02,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:02:02,633 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:02:02,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:02:02,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:02:02,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:02:02,634 INFO L87 Difference]: Start difference. First operand 423 states and 429 transitions. Second operand has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:02:02,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:02:02,651 INFO L93 Difference]: Finished difference Result 423 states and 429 transitions. [2024-11-09 11:02:02,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:02:02,651 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 0 states have call successors, (0), 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 422 [2024-11-09 11:02:02,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:02:02,652 INFO L225 Difference]: With dead ends: 423 [2024-11-09 11:02:02,653 INFO L226 Difference]: Without dead ends: 0 [2024-11-09 11:02:02,653 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:02:02,654 INFO L432 NwaCegarLoop]: 34 mSDtfsCounter, 0 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:02:02,654 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 97 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:02:02,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-09 11:02:02,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-09 11:02:02,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:02:02,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-09 11:02:02,655 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 422 [2024-11-09 11:02:02,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:02:02,655 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-09 11:02:02,656 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:02:02,656 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-09 11:02:02,656 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-09 11:02:02,659 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 14 remaining) [2024-11-09 11:02:02,659 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 14 remaining) [2024-11-09 11:02:02,659 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 14 remaining) [2024-11-09 11:02:02,659 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 14 remaining) [2024-11-09 11:02:02,660 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 14 remaining) [2024-11-09 11:02:02,660 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 14 remaining) [2024-11-09 11:02:02,660 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 14 remaining) [2024-11-09 11:02:02,660 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 14 remaining) [2024-11-09 11:02:02,660 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 14 remaining) [2024-11-09 11:02:02,660 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 14 remaining) [2024-11-09 11:02:02,660 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 14 remaining) [2024-11-09 11:02:02,660 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 14 remaining) [2024-11-09 11:02:02,661 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 14 remaining) [2024-11-09 11:02:02,661 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 14 remaining) [2024-11-09 11:02:02,661 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-09 11:02:02,664 INFO L407 BasicCegarLoop]: Path program histogram: [3, 2, 1, 1, 1, 1] [2024-11-09 11:02:02,667 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-09 11:02:02,758 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 11:02:02,776 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 11:02:02 BoogieIcfgContainer [2024-11-09 11:02:02,776 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 11:02:02,777 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 11:02:02,777 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 11:02:02,777 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 11:02:02,777 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:01:54" (3/4) ... [2024-11-09 11:02:02,780 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-09 11:02:02,788 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2024-11-09 11:02:02,788 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-09 11:02:02,788 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-09 11:02:02,789 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-09 11:02:02,883 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-09 11:02:02,883 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-09 11:02:02,883 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 11:02:02,884 INFO L158 Benchmark]: Toolchain (without parser) took 9010.95ms. Allocated memory was 151.0MB in the beginning and 318.8MB in the end (delta: 167.8MB). Free memory was 78.7MB in the beginning and 202.8MB in the end (delta: -124.1MB). Peak memory consumption was 45.9MB. Max. memory is 16.1GB. [2024-11-09 11:02:02,884 INFO L158 Benchmark]: CDTParser took 1.06ms. Allocated memory is still 151.0MB. Free memory is still 102.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 11:02:02,884 INFO L158 Benchmark]: CACSL2BoogieTranslator took 271.87ms. Allocated memory is still 151.0MB. Free memory was 78.5MB in the beginning and 66.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 11:02:02,884 INFO L158 Benchmark]: Boogie Procedure Inliner took 86.27ms. Allocated memory is still 151.0MB. Free memory was 66.0MB in the beginning and 121.5MB in the end (delta: -55.6MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. [2024-11-09 11:02:02,885 INFO L158 Benchmark]: Boogie Preprocessor took 55.65ms. Allocated memory was 151.0MB in the beginning and 220.2MB in the end (delta: 69.2MB). Free memory was 121.5MB in the beginning and 191.9MB in the end (delta: -70.4MB). Peak memory consumption was 2.8MB. Max. memory is 16.1GB. [2024-11-09 11:02:02,885 INFO L158 Benchmark]: RCFGBuilder took 390.00ms. Allocated memory is still 220.2MB. Free memory was 191.9MB in the beginning and 177.2MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-09 11:02:02,885 INFO L158 Benchmark]: TraceAbstraction took 8093.33ms. Allocated memory was 220.2MB in the beginning and 318.8MB in the end (delta: 98.6MB). Free memory was 176.1MB in the beginning and 208.1MB in the end (delta: -31.9MB). Peak memory consumption was 66.6MB. Max. memory is 16.1GB. [2024-11-09 11:02:02,885 INFO L158 Benchmark]: Witness Printer took 106.65ms. Allocated memory is still 318.8MB. Free memory was 208.1MB in the beginning and 202.8MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-09 11:02:02,888 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.06ms. Allocated memory is still 151.0MB. Free memory is still 102.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 271.87ms. Allocated memory is still 151.0MB. Free memory was 78.5MB in the beginning and 66.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 86.27ms. Allocated memory is still 151.0MB. Free memory was 66.0MB in the beginning and 121.5MB in the end (delta: -55.6MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.65ms. Allocated memory was 151.0MB in the beginning and 220.2MB in the end (delta: 69.2MB). Free memory was 121.5MB in the beginning and 191.9MB in the end (delta: -70.4MB). Peak memory consumption was 2.8MB. Max. memory is 16.1GB. * RCFGBuilder took 390.00ms. Allocated memory is still 220.2MB. Free memory was 191.9MB in the beginning and 177.2MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 8093.33ms. Allocated memory was 220.2MB in the beginning and 318.8MB in the end (delta: 98.6MB). Free memory was 176.1MB in the beginning and 208.1MB in the end (delta: -31.9MB). Peak memory consumption was 66.6MB. Max. memory is 16.1GB. * Witness Printer took 106.65ms. Allocated memory is still 318.8MB. Free memory was 208.1MB in the beginning and 202.8MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. 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: 19]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 19]: 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: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 47]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 47]: 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 1 procedures, 53 locations, 14 error locations. Started 1 CEGAR loops. OverallTime: 7.9s, OverallIterations: 9, TraceHistogramMax: 22, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 1.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 956 SdHoareTripleChecker+Valid, 1.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 956 mSDsluCounter, 556 SdHoareTripleChecker+Invalid, 1.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 308 mSDsCounter, 632 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 941 IncrementalHoareTripleChecker+Invalid, 1573 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 632 mSolverCounterUnsat, 248 mSDtfsCounter, 941 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1160 GetRequests, 1086 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 126 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=424occurred in iteration=7, InterpolantAutomatonStates: 64, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 9 MinimizatonAttempts, 12 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 3.6s InterpolantComputationTime, 2059 NumberOfCodeBlocks, 1681 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 2381 ConstructedInterpolants, 0 QuantifiedInterpolants, 2875 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1199 ConjunctsInSsa, 28 ConjunctsInUnsatCore, 17 InterpolantComputations, 6 PerfectInterpolantSequences, 14858/16079 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 14 specifications checked. All of them hold - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: ((0 < i) || (i == 0)) - InvariantResult [Line: 47]: Loop Invariant Derived loop invariant: (0 < (2147483649 + x)) - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: ((0 < i) || (i == 0)) - InvariantResult [Line: 37]: Loop Invariant Derived loop invariant: ((0 < i) || (i == 0)) - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: ((0 < i) || (i == 0)) - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: ((0 < i) || (i == 0)) - InvariantResult [Line: 27]: Loop Invariant Derived loop invariant: ((0 < i) || (i == 0)) RESULT: Ultimate proved your program to be correct! [2024-11-09 11:02:02,918 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/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