./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/loop-invgen/nested6.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/loop-invgen/nested6.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 327b0d5e70f014fe291a4771fe2bbb17cb1148e77fe8f6a261d10a47df8adacc --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 11:26:12,738 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 11:26:12,823 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-09 11:26:12,830 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 11:26:12,831 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 11:26:12,864 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 11:26:12,866 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 11:26:12,866 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 11:26:12,867 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 11:26:12,868 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 11:26:12,869 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 11:26:12,869 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 11:26:12,876 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 11:26:12,879 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 11:26:12,879 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 11:26:12,880 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 11:26:12,881 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 11:26:12,881 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 11:26:12,882 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 11:26:12,882 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 11:26:12,883 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 11:26:12,883 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 11:26:12,884 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 11:26:12,884 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 11:26:12,884 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 11:26:12,885 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 11:26:12,885 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 11:26:12,885 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 11:26:12,885 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 11:26:12,886 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 11:26:12,887 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 11:26:12,887 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 11:26:12,887 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 11:26:12,887 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 11:26:12,887 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 11:26:12,888 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 11:26:12,903 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 11:26:12,904 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 11:26:12,905 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 11:26:12,906 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 11:26:12,906 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 11:26:12,907 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 11:26:12,907 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 11:26:12,907 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 11:26:12,907 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 327b0d5e70f014fe291a4771fe2bbb17cb1148e77fe8f6a261d10a47df8adacc [2024-11-09 11:26:13,161 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 11:26:13,186 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 11:26:13,189 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 11:26:13,190 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 11:26:13,191 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 11:26:13,192 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-invgen/nested6.i [2024-11-09 11:26:14,680 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 11:26:14,874 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 11:26:14,874 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/nested6.i [2024-11-09 11:26:14,882 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae6e1b9af/849b980f14fd40cf97fa89529bc22e3a/FLAG9654acaa2 [2024-11-09 11:26:15,255 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae6e1b9af/849b980f14fd40cf97fa89529bc22e3a [2024-11-09 11:26:15,258 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 11:26:15,259 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 11:26:15,262 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 11:26:15,263 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 11:26:15,268 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 11:26:15,269 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:26:15" (1/1) ... [2024-11-09 11:26:15,270 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1afb376d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:26:15, skipping insertion in model container [2024-11-09 11:26:15,270 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:26:15" (1/1) ... [2024-11-09 11:26:15,291 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 11:26:15,478 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 11:26:15,489 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 11:26:15,514 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 11:26:15,535 INFO L204 MainTranslator]: Completed translation [2024-11-09 11:26:15,536 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:26:15 WrapperNode [2024-11-09 11:26:15,536 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 11:26:15,537 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 11:26:15,538 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 11:26:15,538 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 11:26:15,545 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:26:15" (1/1) ... [2024-11-09 11:26:15,551 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:26:15" (1/1) ... [2024-11-09 11:26:15,569 INFO L138 Inliner]: procedures = 16, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 78 [2024-11-09 11:26:15,571 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 11:26:15,572 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 11:26:15,572 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 11:26:15,572 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 11:26:15,583 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:26:15" (1/1) ... [2024-11-09 11:26:15,583 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:26:15" (1/1) ... [2024-11-09 11:26:15,591 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:26:15" (1/1) ... [2024-11-09 11:26:15,603 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-09 11:26:15,603 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:26:15" (1/1) ... [2024-11-09 11:26:15,603 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:26:15" (1/1) ... [2024-11-09 11:26:15,606 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:26:15" (1/1) ... [2024-11-09 11:26:15,609 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:26:15" (1/1) ... [2024-11-09 11:26:15,610 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:26:15" (1/1) ... [2024-11-09 11:26:15,611 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:26:15" (1/1) ... [2024-11-09 11:26:15,612 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 11:26:15,613 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 11:26:15,613 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 11:26:15,614 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 11:26:15,614 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:26:15" (1/1) ... [2024-11-09 11:26:15,621 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 11:26:15,632 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:26:15,645 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 11:26:15,647 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 11:26:15,691 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 11:26:15,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 11:26:15,691 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 11:26:15,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 11:26:15,692 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 11:26:15,692 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 11:26:15,747 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 11:26:15,749 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 11:26:15,927 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-11-09 11:26:15,927 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 11:26:15,941 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 11:26:15,941 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-09 11:26:15,942 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:26:15 BoogieIcfgContainer [2024-11-09 11:26:15,942 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 11:26:15,944 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 11:26:15,944 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 11:26:15,948 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 11:26:15,948 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 11:26:15" (1/3) ... [2024-11-09 11:26:15,949 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58421000 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 11:26:15, skipping insertion in model container [2024-11-09 11:26:15,949 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:26:15" (2/3) ... [2024-11-09 11:26:15,949 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58421000 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 11:26:15, skipping insertion in model container [2024-11-09 11:26:15,949 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:26:15" (3/3) ... [2024-11-09 11:26:15,951 INFO L112 eAbstractionObserver]: Analyzing ICFG nested6.i [2024-11-09 11:26:15,966 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 11:26:15,967 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2024-11-09 11:26:16,027 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 11:26:16,034 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;@116fbede, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 11:26:16,034 INFO L334 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2024-11-09 11:26:16,038 INFO L276 IsEmpty]: Start isEmpty. Operand has 46 states, 31 states have (on average 1.6774193548387097) internal successors, (52), 42 states have internal predecessors, (52), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 11:26:16,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-09 11:26:16,047 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:26:16,047 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:26:16,048 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-09 11:26:16,053 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:26:16,053 INFO L85 PathProgramCache]: Analyzing trace with hash 1806845353, now seen corresponding path program 1 times [2024-11-09 11:26:16,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:26:16,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1968071056] [2024-11-09 11:26:16,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:26:16,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:26:16,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:16,297 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 11:26:16,298 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:26:16,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1968071056] [2024-11-09 11:26:16,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1968071056] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:26:16,299 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:26:16,299 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:26:16,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550004288] [2024-11-09 11:26:16,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:26:16,306 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:26:16,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:26:16,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:26:16,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:26:16,340 INFO L87 Difference]: Start difference. First operand has 46 states, 31 states have (on average 1.6774193548387097) internal successors, (52), 42 states have internal predecessors, (52), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:26:16,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:26:16,427 INFO L93 Difference]: Finished difference Result 108 states and 150 transitions. [2024-11-09 11:26:16,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:26:16,431 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-09 11:26:16,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:26:16,437 INFO L225 Difference]: With dead ends: 108 [2024-11-09 11:26:16,438 INFO L226 Difference]: Without dead ends: 61 [2024-11-09 11:26:16,440 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 11:26:16,443 INFO L432 NwaCegarLoop]: 45 mSDtfsCounter, 20 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 82 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:26:16,443 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 82 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:26:16,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2024-11-09 11:26:16,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 56. [2024-11-09 11:26:16,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 39 states have (on average 1.5128205128205128) internal successors, (59), 50 states have internal predecessors, (59), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-09 11:26:16,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 71 transitions. [2024-11-09 11:26:16,483 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 71 transitions. Word has length 7 [2024-11-09 11:26:16,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:26:16,484 INFO L471 AbstractCegarLoop]: Abstraction has 56 states and 71 transitions. [2024-11-09 11:26:16,484 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:26:16,484 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 71 transitions. [2024-11-09 11:26:16,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-09 11:26:16,485 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:26:16,486 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:26:16,486 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 11:26:16,486 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-09 11:26:16,487 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:26:16,487 INFO L85 PathProgramCache]: Analyzing trace with hash 409973649, now seen corresponding path program 1 times [2024-11-09 11:26:16,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:26:16,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998937803] [2024-11-09 11:26:16,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:26:16,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:26:16,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:16,582 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 11:26:16,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:26:16,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1998937803] [2024-11-09 11:26:16,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1998937803] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:26:16,583 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:26:16,583 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:26:16,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590879604] [2024-11-09 11:26:16,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:26:16,585 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:26:16,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:26:16,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:26:16,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:26:16,588 INFO L87 Difference]: Start difference. First operand 56 states and 71 transitions. Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:26:16,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:26:16,641 INFO L93 Difference]: Finished difference Result 65 states and 76 transitions. [2024-11-09 11:26:16,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:26:16,642 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2024-11-09 11:26:16,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:26:16,643 INFO L225 Difference]: With dead ends: 65 [2024-11-09 11:26:16,644 INFO L226 Difference]: Without dead ends: 63 [2024-11-09 11:26:16,644 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 11:26:16,645 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 18 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:26:16,645 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 111 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:26:16,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2024-11-09 11:26:16,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 59. [2024-11-09 11:26:16,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 42 states have (on average 1.4761904761904763) internal successors, (62), 53 states have internal predecessors, (62), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-09 11:26:16,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 74 transitions. [2024-11-09 11:26:16,660 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 74 transitions. Word has length 11 [2024-11-09 11:26:16,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:26:16,660 INFO L471 AbstractCegarLoop]: Abstraction has 59 states and 74 transitions. [2024-11-09 11:26:16,661 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:26:16,661 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 74 transitions. [2024-11-09 11:26:16,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 11:26:16,661 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:26:16,661 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:26:16,662 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 11:26:16,662 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-09 11:26:16,664 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:26:16,664 INFO L85 PathProgramCache]: Analyzing trace with hash -1151567687, now seen corresponding path program 1 times [2024-11-09 11:26:16,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:26:16,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425133596] [2024-11-09 11:26:16,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:26:16,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:26:16,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:16,748 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 11:26:16,748 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:26:16,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [425133596] [2024-11-09 11:26:16,749 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [425133596] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:26:16,749 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:26:16,749 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 11:26:16,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1294977518] [2024-11-09 11:26:16,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:26:16,750 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 11:26:16,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:26:16,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 11:26:16,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:26:16,752 INFO L87 Difference]: Start difference. First operand 59 states and 74 transitions. Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 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 11:26:16,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:26:16,904 INFO L93 Difference]: Finished difference Result 63 states and 74 transitions. [2024-11-09 11:26:16,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 11:26:16,906 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2024-11-09 11:26:16,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:26:16,907 INFO L225 Difference]: With dead ends: 63 [2024-11-09 11:26:16,907 INFO L226 Difference]: Without dead ends: 62 [2024-11-09 11:26:16,908 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-09 11:26:16,909 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 28 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:26:16,914 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 123 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:26:16,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2024-11-09 11:26:16,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 59. [2024-11-09 11:26:16,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 42 states have (on average 1.4523809523809523) internal successors, (61), 53 states have internal predecessors, (61), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-09 11:26:16,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 73 transitions. [2024-11-09 11:26:16,925 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 73 transitions. Word has length 13 [2024-11-09 11:26:16,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:26:16,925 INFO L471 AbstractCegarLoop]: Abstraction has 59 states and 73 transitions. [2024-11-09 11:26:16,926 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 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 11:26:16,926 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 73 transitions. [2024-11-09 11:26:16,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-09 11:26:16,926 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:26:16,927 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:26:16,927 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 11:26:16,927 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-09 11:26:16,932 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:26:16,932 INFO L85 PathProgramCache]: Analyzing trace with hash -1361907972, now seen corresponding path program 1 times [2024-11-09 11:26:16,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:26:16,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1023920120] [2024-11-09 11:26:16,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:26:16,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:26:16,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:17,029 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 11:26:17,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:26:17,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1023920120] [2024-11-09 11:26:17,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1023920120] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:26:17,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2069691443] [2024-11-09 11:26:17,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:26:17,031 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:26:17,031 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:26:17,032 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 11:26:17,034 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 11:26:17,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:17,080 INFO L255 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:26:17,085 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:26:17,179 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 11:26:17,181 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:26:17,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2069691443] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:26:17,182 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:26:17,182 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 8 [2024-11-09 11:26:17,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538407217] [2024-11-09 11:26:17,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:26:17,186 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 11:26:17,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:26:17,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 11:26:17,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:26:17,188 INFO L87 Difference]: Start difference. First operand 59 states and 73 transitions. Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 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 11:26:17,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:26:17,306 INFO L93 Difference]: Finished difference Result 113 states and 135 transitions. [2024-11-09 11:26:17,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 11:26:17,306 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2024-11-09 11:26:17,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:26:17,307 INFO L225 Difference]: With dead ends: 113 [2024-11-09 11:26:17,308 INFO L226 Difference]: Without dead ends: 76 [2024-11-09 11:26:17,308 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-11-09 11:26:17,309 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 43 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:26:17,310 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 120 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:26:17,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2024-11-09 11:26:17,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 60. [2024-11-09 11:26:17,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 43 states have (on average 1.441860465116279) internal successors, (62), 54 states have internal predecessors, (62), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-09 11:26:17,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 74 transitions. [2024-11-09 11:26:17,328 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 74 transitions. Word has length 14 [2024-11-09 11:26:17,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:26:17,328 INFO L471 AbstractCegarLoop]: Abstraction has 60 states and 74 transitions. [2024-11-09 11:26:17,329 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 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 11:26:17,329 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 74 transitions. [2024-11-09 11:26:17,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-09 11:26:17,329 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:26:17,329 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:26:17,343 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-09 11:26:17,533 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:26:17,534 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-09 11:26:17,534 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:26:17,534 INFO L85 PathProgramCache]: Analyzing trace with hash -1338859830, now seen corresponding path program 1 times [2024-11-09 11:26:17,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:26:17,535 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258581515] [2024-11-09 11:26:17,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:26:17,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:26:17,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:17,605 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 11:26:17,606 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:26:17,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1258581515] [2024-11-09 11:26:17,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1258581515] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:26:17,606 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:26:17,606 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 11:26:17,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4915186] [2024-11-09 11:26:17,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:26:17,607 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 11:26:17,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:26:17,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 11:26:17,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:26:17,608 INFO L87 Difference]: Start difference. First operand 60 states and 74 transitions. Second operand has 5 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 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 11:26:17,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:26:17,689 INFO L93 Difference]: Finished difference Result 79 states and 95 transitions. [2024-11-09 11:26:17,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 11:26:17,691 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2024-11-09 11:26:17,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:26:17,692 INFO L225 Difference]: With dead ends: 79 [2024-11-09 11:26:17,694 INFO L226 Difference]: Without dead ends: 78 [2024-11-09 11:26:17,695 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-09 11:26:17,696 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 42 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:26:17,696 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 132 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:26:17,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2024-11-09 11:26:17,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 73. [2024-11-09 11:26:17,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 53 states have (on average 1.4339622641509433) internal successors, (76), 65 states have internal predecessors, (76), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-09 11:26:17,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 94 transitions. [2024-11-09 11:26:17,713 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 94 transitions. Word has length 14 [2024-11-09 11:26:17,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:26:17,713 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 94 transitions. [2024-11-09 11:26:17,713 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 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 11:26:17,714 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 94 transitions. [2024-11-09 11:26:17,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-09 11:26:17,715 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:26:17,715 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] [2024-11-09 11:26:17,715 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 11:26:17,715 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-09 11:26:17,716 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:26:17,716 INFO L85 PathProgramCache]: Analyzing trace with hash -467722053, now seen corresponding path program 1 times [2024-11-09 11:26:17,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:26:17,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1699123737] [2024-11-09 11:26:17,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:26:17,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:26:17,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:17,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 11:26:17,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:17,814 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 11:26:17,814 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:26:17,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1699123737] [2024-11-09 11:26:17,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1699123737] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:26:17,815 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:26:17,815 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 11:26:17,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [277560354] [2024-11-09 11:26:17,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:26:17,816 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 11:26:17,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:26:17,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 11:26:17,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-09 11:26:17,818 INFO L87 Difference]: Start difference. First operand 73 states and 94 transitions. Second operand has 7 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 11:26:17,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:26:17,944 INFO L93 Difference]: Finished difference Result 111 states and 135 transitions. [2024-11-09 11:26:17,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 11:26:17,945 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 20 [2024-11-09 11:26:17,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:26:17,946 INFO L225 Difference]: With dead ends: 111 [2024-11-09 11:26:17,946 INFO L226 Difference]: Without dead ends: 110 [2024-11-09 11:26:17,947 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-09 11:26:17,948 INFO L432 NwaCegarLoop]: 49 mSDtfsCounter, 78 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 176 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:26:17,948 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 176 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:26:17,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2024-11-09 11:26:17,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 73. [2024-11-09 11:26:17,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 53 states have (on average 1.4150943396226414) internal successors, (75), 65 states have internal predecessors, (75), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-09 11:26:17,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 93 transitions. [2024-11-09 11:26:17,960 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 93 transitions. Word has length 20 [2024-11-09 11:26:17,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:26:17,960 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 93 transitions. [2024-11-09 11:26:17,960 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 11:26:17,961 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 93 transitions. [2024-11-09 11:26:17,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-09 11:26:17,961 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:26:17,961 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:26:17,962 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-09 11:26:17,962 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-09 11:26:17,962 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:26:17,962 INFO L85 PathProgramCache]: Analyzing trace with hash -2003296809, now seen corresponding path program 1 times [2024-11-09 11:26:17,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:26:17,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751569063] [2024-11-09 11:26:17,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:26:17,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:26:17,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:18,054 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 11:26:18,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:26:18,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [751569063] [2024-11-09 11:26:18,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [751569063] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:26:18,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1879429611] [2024-11-09 11:26:18,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:26:18,056 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:26:18,058 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:26:18,059 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 11:26:18,061 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 11:26:18,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:18,101 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 11:26:18,102 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:26:18,178 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:26:18,178 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:26:18,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1879429611] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:26:18,179 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:26:18,179 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [4] total 9 [2024-11-09 11:26:18,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705295935] [2024-11-09 11:26:18,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:26:18,179 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 11:26:18,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:26:18,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 11:26:18,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-09 11:26:18,181 INFO L87 Difference]: Start difference. First operand 73 states and 93 transitions. Second operand has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 0 states have call successors, (0), 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 11:26:18,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:26:18,304 INFO L93 Difference]: Finished difference Result 136 states and 168 transitions. [2024-11-09 11:26:18,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 11:26:18,305 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 0 states have call successors, (0), 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 20 [2024-11-09 11:26:18,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:26:18,306 INFO L225 Difference]: With dead ends: 136 [2024-11-09 11:26:18,306 INFO L226 Difference]: Without dead ends: 82 [2024-11-09 11:26:18,307 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2024-11-09 11:26:18,308 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 83 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:26:18,309 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 113 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:26:18,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2024-11-09 11:26:18,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 74. [2024-11-09 11:26:18,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 54 states have (on average 1.4074074074074074) internal successors, (76), 66 states have internal predecessors, (76), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-09 11:26:18,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 94 transitions. [2024-11-09 11:26:18,323 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 94 transitions. Word has length 20 [2024-11-09 11:26:18,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:26:18,324 INFO L471 AbstractCegarLoop]: Abstraction has 74 states and 94 transitions. [2024-11-09 11:26:18,324 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 0 states have call successors, (0), 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 11:26:18,324 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 94 transitions. [2024-11-09 11:26:18,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-09 11:26:18,325 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:26:18,325 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] [2024-11-09 11:26:18,342 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 11:26:18,528 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,SelfDestructingSolverStorable6 [2024-11-09 11:26:18,529 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-09 11:26:18,529 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:26:18,529 INFO L85 PathProgramCache]: Analyzing trace with hash -1614481669, now seen corresponding path program 1 times [2024-11-09 11:26:18,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:26:18,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199727067] [2024-11-09 11:26:18,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:26:18,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:26:18,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:18,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 11:26:18,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:18,603 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 11:26:18,603 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:26:18,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [199727067] [2024-11-09 11:26:18,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [199727067] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:26:18,603 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:26:18,603 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 11:26:18,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830525332] [2024-11-09 11:26:18,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:26:18,604 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 11:26:18,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:26:18,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 11:26:18,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-09 11:26:18,605 INFO L87 Difference]: Start difference. First operand 74 states and 94 transitions. Second operand has 7 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 11:26:18,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:26:18,707 INFO L93 Difference]: Finished difference Result 85 states and 102 transitions. [2024-11-09 11:26:18,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 11:26:18,708 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 21 [2024-11-09 11:26:18,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:26:18,709 INFO L225 Difference]: With dead ends: 85 [2024-11-09 11:26:18,709 INFO L226 Difference]: Without dead ends: 84 [2024-11-09 11:26:18,710 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-09 11:26:18,710 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 46 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:26:18,711 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 147 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:26:18,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2024-11-09 11:26:18,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 80. [2024-11-09 11:26:18,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 59 states have (on average 1.3728813559322033) internal successors, (81), 71 states have internal predecessors, (81), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-09 11:26:18,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 101 transitions. [2024-11-09 11:26:18,724 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 101 transitions. Word has length 21 [2024-11-09 11:26:18,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:26:18,724 INFO L471 AbstractCegarLoop]: Abstraction has 80 states and 101 transitions. [2024-11-09 11:26:18,724 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 11:26:18,724 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 101 transitions. [2024-11-09 11:26:18,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 11:26:18,727 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:26:18,727 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:26:18,727 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-09 11:26:18,728 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-09 11:26:18,728 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:26:18,728 INFO L85 PathProgramCache]: Analyzing trace with hash -1646264128, now seen corresponding path program 1 times [2024-11-09 11:26:18,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:26:18,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972342301] [2024-11-09 11:26:18,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:26:18,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:26:18,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:18,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 11:26:18,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:18,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-09 11:26:18,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:18,882 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 11:26:18,882 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:26:18,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972342301] [2024-11-09 11:26:18,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1972342301] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:26:18,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [910046190] [2024-11-09 11:26:18,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:26:18,883 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:26:18,883 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:26:18,888 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 11:26:18,892 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 11:26:18,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:18,933 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:26:18,934 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:26:18,991 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 11:26:18,991 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:26:18,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [910046190] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:26:18,992 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:26:18,992 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2024-11-09 11:26:18,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56671367] [2024-11-09 11:26:18,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:26:18,993 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 11:26:18,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:26:18,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 11:26:18,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-09 11:26:18,994 INFO L87 Difference]: Start difference. First operand 80 states and 101 transitions. Second operand has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 11:26:19,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:26:19,050 INFO L93 Difference]: Finished difference Result 83 states and 101 transitions. [2024-11-09 11:26:19,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 11:26:19,050 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 29 [2024-11-09 11:26:19,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:26:19,051 INFO L225 Difference]: With dead ends: 83 [2024-11-09 11:26:19,051 INFO L226 Difference]: Without dead ends: 80 [2024-11-09 11:26:19,052 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-09 11:26:19,053 INFO L432 NwaCegarLoop]: 51 mSDtfsCounter, 32 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 128 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:26:19,053 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 128 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:26:19,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2024-11-09 11:26:19,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 77. [2024-11-09 11:26:19,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 59 states have (on average 1.3220338983050848) internal successors, (78), 68 states have internal predecessors, (78), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-09 11:26:19,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 98 transitions. [2024-11-09 11:26:19,070 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 98 transitions. Word has length 29 [2024-11-09 11:26:19,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:26:19,071 INFO L471 AbstractCegarLoop]: Abstraction has 77 states and 98 transitions. [2024-11-09 11:26:19,072 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 11:26:19,072 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 98 transitions. [2024-11-09 11:26:19,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 11:26:19,073 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:26:19,073 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:26:19,090 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 11:26:19,273 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:26:19,274 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-09 11:26:19,274 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:26:19,275 INFO L85 PathProgramCache]: Analyzing trace with hash -1623215986, now seen corresponding path program 1 times [2024-11-09 11:26:19,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:26:19,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [17244005] [2024-11-09 11:26:19,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:26:19,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:26:19,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:19,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 11:26:19,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:19,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-09 11:26:19,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:19,323 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 11:26:19,323 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:26:19,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [17244005] [2024-11-09 11:26:19,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [17244005] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:26:19,324 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:26:19,324 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 11:26:19,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193757483] [2024-11-09 11:26:19,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:26:19,324 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:26:19,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:26:19,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:26:19,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:26:19,325 INFO L87 Difference]: Start difference. First operand 77 states and 98 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 11:26:19,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:26:19,364 INFO L93 Difference]: Finished difference Result 127 states and 164 transitions. [2024-11-09 11:26:19,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:26:19,364 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 29 [2024-11-09 11:26:19,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:26:19,366 INFO L225 Difference]: With dead ends: 127 [2024-11-09 11:26:19,366 INFO L226 Difference]: Without dead ends: 79 [2024-11-09 11:26:19,366 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 11:26:19,367 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 17 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:26:19,367 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 76 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:26:19,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2024-11-09 11:26:19,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2024-11-09 11:26:19,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 61 states have (on average 1.3114754098360655) internal successors, (80), 70 states have internal predecessors, (80), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-09 11:26:19,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 100 transitions. [2024-11-09 11:26:19,385 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 100 transitions. Word has length 29 [2024-11-09 11:26:19,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:26:19,386 INFO L471 AbstractCegarLoop]: Abstraction has 79 states and 100 transitions. [2024-11-09 11:26:19,386 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 11:26:19,386 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 100 transitions. [2024-11-09 11:26:19,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-09 11:26:19,386 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:26:19,387 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:26:19,387 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-09 11:26:19,387 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-09 11:26:19,387 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:26:19,387 INFO L85 PathProgramCache]: Analyzing trace with hash 505419640, now seen corresponding path program 1 times [2024-11-09 11:26:19,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:26:19,387 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472132585] [2024-11-09 11:26:19,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:26:19,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:26:19,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:19,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 11:26:19,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:19,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-09 11:26:19,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:19,462 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 11:26:19,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:26:19,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [472132585] [2024-11-09 11:26:19,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [472132585] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:26:19,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [260724264] [2024-11-09 11:26:19,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:26:19,463 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:26:19,463 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:26:19,465 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 11:26:19,466 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 11:26:19,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:19,506 INFO L255 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:26:19,507 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:26:19,553 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 11:26:19,554 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:26:19,624 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 11:26:19,624 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [260724264] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:26:19,624 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:26:19,624 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2024-11-09 11:26:19,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633468221] [2024-11-09 11:26:19,625 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:26:19,625 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 11:26:19,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:26:19,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 11:26:19,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-09 11:26:19,626 INFO L87 Difference]: Start difference. First operand 79 states and 100 transitions. Second operand has 10 states, 9 states have (on average 5.777777777777778) internal successors, (52), 10 states have internal predecessors, (52), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-09 11:26:19,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:26:19,710 INFO L93 Difference]: Finished difference Result 112 states and 138 transitions. [2024-11-09 11:26:19,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 11:26:19,712 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 5.777777777777778) internal successors, (52), 10 states have internal predecessors, (52), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 30 [2024-11-09 11:26:19,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:26:19,713 INFO L225 Difference]: With dead ends: 112 [2024-11-09 11:26:19,713 INFO L226 Difference]: Without dead ends: 109 [2024-11-09 11:26:19,713 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-09 11:26:19,714 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 49 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:26:19,714 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 196 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:26:19,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2024-11-09 11:26:19,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 102. [2024-11-09 11:26:19,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 82 states have (on average 1.3048780487804879) internal successors, (107), 91 states have internal predecessors, (107), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-09 11:26:19,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 133 transitions. [2024-11-09 11:26:19,728 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 133 transitions. Word has length 30 [2024-11-09 11:26:19,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:26:19,730 INFO L471 AbstractCegarLoop]: Abstraction has 102 states and 133 transitions. [2024-11-09 11:26:19,730 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 5.777777777777778) internal successors, (52), 10 states have internal predecessors, (52), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-09 11:26:19,730 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 133 transitions. [2024-11-09 11:26:19,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-09 11:26:19,731 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:26:19,731 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:26:19,748 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 11:26:19,932 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:26:19,932 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-09 11:26:19,932 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:26:19,932 INFO L85 PathProgramCache]: Analyzing trace with hash -282806190, now seen corresponding path program 1 times [2024-11-09 11:26:19,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:26:19,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508511235] [2024-11-09 11:26:19,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:26:19,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:26:19,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:20,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 11:26:20,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:20,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-09 11:26:20,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:20,048 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 11:26:20,048 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:26:20,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508511235] [2024-11-09 11:26:20,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [508511235] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:26:20,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1852550868] [2024-11-09 11:26:20,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:26:20,049 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:26:20,049 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:26:20,050 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 11:26:20,052 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 11:26:20,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:20,090 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 11:26:20,092 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:26:20,148 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 11:26:20,149 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:26:20,230 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 11:26:20,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1852550868] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:26:20,231 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:26:20,231 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 18 [2024-11-09 11:26:20,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761766863] [2024-11-09 11:26:20,231 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:26:20,231 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-09 11:26:20,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:26:20,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-09 11:26:20,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=265, Unknown=0, NotChecked=0, Total=342 [2024-11-09 11:26:20,232 INFO L87 Difference]: Start difference. First operand 102 states and 133 transitions. Second operand has 19 states, 18 states have (on average 3.2222222222222223) internal successors, (58), 19 states have internal predecessors, (58), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-09 11:26:20,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:26:20,571 INFO L93 Difference]: Finished difference Result 269 states and 346 transitions. [2024-11-09 11:26:20,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-09 11:26:20,572 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.2222222222222223) internal successors, (58), 19 states have internal predecessors, (58), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) Word has length 32 [2024-11-09 11:26:20,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:26:20,574 INFO L225 Difference]: With dead ends: 269 [2024-11-09 11:26:20,574 INFO L226 Difference]: Without dead ends: 268 [2024-11-09 11:26:20,575 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 205 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=202, Invalid=610, Unknown=0, NotChecked=0, Total=812 [2024-11-09 11:26:20,576 INFO L432 NwaCegarLoop]: 49 mSDtfsCounter, 218 mSDsluCounter, 538 mSDsCounter, 0 mSdLazyCounter, 313 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 232 SdHoareTripleChecker+Valid, 587 SdHoareTripleChecker+Invalid, 335 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 313 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:26:20,576 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [232 Valid, 587 Invalid, 335 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 313 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 11:26:20,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2024-11-09 11:26:20,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 123. [2024-11-09 11:26:20,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 100 states have (on average 1.28) internal successors, (128), 109 states have internal predecessors, (128), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-09 11:26:20,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 160 transitions. [2024-11-09 11:26:20,597 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 160 transitions. Word has length 32 [2024-11-09 11:26:20,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:26:20,599 INFO L471 AbstractCegarLoop]: Abstraction has 123 states and 160 transitions. [2024-11-09 11:26:20,599 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.2222222222222223) internal successors, (58), 19 states have internal predecessors, (58), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-09 11:26:20,604 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 160 transitions. [2024-11-09 11:26:20,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-09 11:26:20,605 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:26:20,605 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:26:20,624 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-09 11:26:20,806 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-09 11:26:20,807 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-09 11:26:20,807 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:26:20,807 INFO L85 PathProgramCache]: Analyzing trace with hash 1604374399, now seen corresponding path program 1 times [2024-11-09 11:26:20,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:26:20,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1246503481] [2024-11-09 11:26:20,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:26:20,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:26:20,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:20,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 11:26:20,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:20,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-09 11:26:20,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:20,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-09 11:26:20,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:20,942 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 11:26:20,942 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:26:20,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1246503481] [2024-11-09 11:26:20,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1246503481] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:26:20,942 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:26:20,943 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-09 11:26:20,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742599002] [2024-11-09 11:26:20,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:26:20,943 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-09 11:26:20,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:26:20,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-09 11:26:20,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-09 11:26:20,944 INFO L87 Difference]: Start difference. First operand 123 states and 160 transitions. Second operand has 9 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-09 11:26:21,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:26:21,127 INFO L93 Difference]: Finished difference Result 171 states and 218 transitions. [2024-11-09 11:26:21,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-09 11:26:21,128 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 35 [2024-11-09 11:26:21,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:26:21,131 INFO L225 Difference]: With dead ends: 171 [2024-11-09 11:26:21,131 INFO L226 Difference]: Without dead ends: 170 [2024-11-09 11:26:21,132 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2024-11-09 11:26:21,133 INFO L432 NwaCegarLoop]: 49 mSDtfsCounter, 57 mSDsluCounter, 192 mSDsCounter, 0 mSdLazyCounter, 191 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 241 SdHoareTripleChecker+Invalid, 198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 191 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:26:21,133 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 241 Invalid, 198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 191 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:26:21,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2024-11-09 11:26:21,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 123. [2024-11-09 11:26:21,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 100 states have (on average 1.27) internal successors, (127), 109 states have internal predecessors, (127), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-09 11:26:21,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 159 transitions. [2024-11-09 11:26:21,149 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 159 transitions. Word has length 35 [2024-11-09 11:26:21,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:26:21,149 INFO L471 AbstractCegarLoop]: Abstraction has 123 states and 159 transitions. [2024-11-09 11:26:21,149 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-09 11:26:21,149 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 159 transitions. [2024-11-09 11:26:21,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 11:26:21,151 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:26:21,151 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:26:21,152 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-09 11:26:21,152 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-09 11:26:21,152 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:26:21,152 INFO L85 PathProgramCache]: Analyzing trace with hash -1804001097, now seen corresponding path program 1 times [2024-11-09 11:26:21,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:26:21,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [236160728] [2024-11-09 11:26:21,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:26:21,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:26:21,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:21,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 11:26:21,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:21,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-09 11:26:21,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:21,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-09 11:26:21,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:21,277 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 11:26:21,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:26:21,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [236160728] [2024-11-09 11:26:21,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [236160728] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:26:21,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1328763821] [2024-11-09 11:26:21,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:26:21,278 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:26:21,278 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:26:21,280 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:26:21,281 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-09 11:26:21,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:21,317 INFO L255 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 11:26:21,318 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:26:21,375 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 11:26:21,375 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:26:21,484 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 11:26:21,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1328763821] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:26:21,484 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:26:21,485 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 18 [2024-11-09 11:26:21,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306974243] [2024-11-09 11:26:21,485 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:26:21,486 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-09 11:26:21,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:26:21,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-09 11:26:21,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=271, Unknown=0, NotChecked=0, Total=342 [2024-11-09 11:26:21,487 INFO L87 Difference]: Start difference. First operand 123 states and 159 transitions. Second operand has 19 states, 18 states have (on average 3.0555555555555554) internal successors, (55), 19 states have internal predecessors, (55), 6 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 5 states have call predecessors, (9), 6 states have call successors, (9) [2024-11-09 11:26:22,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:26:22,028 INFO L93 Difference]: Finished difference Result 286 states and 388 transitions. [2024-11-09 11:26:22,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-09 11:26:22,029 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.0555555555555554) internal successors, (55), 19 states have internal predecessors, (55), 6 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 5 states have call predecessors, (9), 6 states have call successors, (9) Word has length 36 [2024-11-09 11:26:22,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:26:22,032 INFO L225 Difference]: With dead ends: 286 [2024-11-09 11:26:22,032 INFO L226 Difference]: Without dead ends: 284 [2024-11-09 11:26:22,033 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 258 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=273, Invalid=987, Unknown=0, NotChecked=0, Total=1260 [2024-11-09 11:26:22,033 INFO L432 NwaCegarLoop]: 44 mSDtfsCounter, 221 mSDsluCounter, 381 mSDsCounter, 0 mSdLazyCounter, 474 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 233 SdHoareTripleChecker+Valid, 425 SdHoareTripleChecker+Invalid, 508 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 474 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 11:26:22,033 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [233 Valid, 425 Invalid, 508 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 474 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 11:26:22,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2024-11-09 11:26:22,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 178. [2024-11-09 11:26:22,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 147 states have (on average 1.272108843537415) internal successors, (187), 157 states have internal predecessors, (187), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-09 11:26:22,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 235 transitions. [2024-11-09 11:26:22,053 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 235 transitions. Word has length 36 [2024-11-09 11:26:22,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:26:22,054 INFO L471 AbstractCegarLoop]: Abstraction has 178 states and 235 transitions. [2024-11-09 11:26:22,055 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.0555555555555554) internal successors, (55), 19 states have internal predecessors, (55), 6 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 5 states have call predecessors, (9), 6 states have call successors, (9) [2024-11-09 11:26:22,055 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 235 transitions. [2024-11-09 11:26:22,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-09 11:26:22,057 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:26:22,057 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:26:22,074 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-09 11:26:22,257 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:26:22,258 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-09 11:26:22,259 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:26:22,259 INFO L85 PathProgramCache]: Analyzing trace with hash 289194526, now seen corresponding path program 1 times [2024-11-09 11:26:22,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:26:22,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676959483] [2024-11-09 11:26:22,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:26:22,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:26:22,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:22,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 11:26:22,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:22,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-09 11:26:22,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:22,300 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-09 11:26:22,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:26:22,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1676959483] [2024-11-09 11:26:22,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1676959483] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:26:22,300 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:26:22,309 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:26:22,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334713820] [2024-11-09 11:26:22,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:26:22,310 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:26:22,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:26:22,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:26:22,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:26:22,310 INFO L87 Difference]: Start difference. First operand 178 states and 235 transitions. Second operand has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 11:26:22,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:26:22,346 INFO L93 Difference]: Finished difference Result 178 states and 235 transitions. [2024-11-09 11:26:22,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:26:22,347 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 41 [2024-11-09 11:26:22,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:26:22,349 INFO L225 Difference]: With dead ends: 178 [2024-11-09 11:26:22,349 INFO L226 Difference]: Without dead ends: 177 [2024-11-09 11:26:22,350 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:26:22,351 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 19 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:26:22,351 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 70 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:26:22,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2024-11-09 11:26:22,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 177. [2024-11-09 11:26:22,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 147 states have (on average 1.2653061224489797) internal successors, (186), 156 states have internal predecessors, (186), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-09 11:26:22,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 234 transitions. [2024-11-09 11:26:22,368 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 234 transitions. Word has length 41 [2024-11-09 11:26:22,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:26:22,368 INFO L471 AbstractCegarLoop]: Abstraction has 177 states and 234 transitions. [2024-11-09 11:26:22,368 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 11:26:22,368 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 234 transitions. [2024-11-09 11:26:22,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-09 11:26:22,370 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:26:22,370 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:26:22,370 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-09 11:26:22,370 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-09 11:26:22,370 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:26:22,370 INFO L85 PathProgramCache]: Analyzing trace with hash -1337564412, now seen corresponding path program 1 times [2024-11-09 11:26:22,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:26:22,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653664517] [2024-11-09 11:26:22,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:26:22,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:26:22,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:22,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 11:26:22,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:22,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-09 11:26:22,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:22,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-09 11:26:22,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:22,498 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 11:26:22,498 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:26:22,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1653664517] [2024-11-09 11:26:22,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1653664517] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:26:22,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1055290299] [2024-11-09 11:26:22,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:26:22,498 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:26:22,499 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:26:22,500 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:26:22,501 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-09 11:26:22,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:22,545 INFO L255 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 11:26:22,546 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:26:22,665 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 11:26:22,665 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:26:22,766 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 11:26:22,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1055290299] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:26:22,766 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:26:22,766 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 21 [2024-11-09 11:26:22,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90272969] [2024-11-09 11:26:22,767 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:26:22,767 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-11-09 11:26:22,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:26:22,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-11-09 11:26:22,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=344, Unknown=0, NotChecked=0, Total=420 [2024-11-09 11:26:22,768 INFO L87 Difference]: Start difference. First operand 177 states and 234 transitions. Second operand has 21 states, 21 states have (on average 2.7142857142857144) internal successors, (57), 21 states have internal predecessors, (57), 4 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-09 11:26:22,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:26:22,950 INFO L93 Difference]: Finished difference Result 256 states and 332 transitions. [2024-11-09 11:26:22,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 11:26:22,950 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 2.7142857142857144) internal successors, (57), 21 states have internal predecessors, (57), 4 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) Word has length 42 [2024-11-09 11:26:22,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:26:22,951 INFO L225 Difference]: With dead ends: 256 [2024-11-09 11:26:22,951 INFO L226 Difference]: Without dead ends: 181 [2024-11-09 11:26:22,952 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 77 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 174 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=76, Invalid=344, Unknown=0, NotChecked=0, Total=420 [2024-11-09 11:26:22,953 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 62 mSDsluCounter, 269 mSDsCounter, 0 mSdLazyCounter, 288 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 296 SdHoareTripleChecker+Invalid, 292 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 288 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:26:22,953 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 296 Invalid, 292 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 288 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 11:26:22,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2024-11-09 11:26:22,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 177. [2024-11-09 11:26:22,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 147 states have (on average 1.2585034013605443) internal successors, (185), 156 states have internal predecessors, (185), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-09 11:26:22,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 233 transitions. [2024-11-09 11:26:22,970 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 233 transitions. Word has length 42 [2024-11-09 11:26:22,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:26:22,970 INFO L471 AbstractCegarLoop]: Abstraction has 177 states and 233 transitions. [2024-11-09 11:26:22,970 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 2.7142857142857144) internal successors, (57), 21 states have internal predecessors, (57), 4 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-09 11:26:22,970 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 233 transitions. [2024-11-09 11:26:22,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-09 11:26:22,971 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:26:22,971 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:26:22,988 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-09 11:26:23,175 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:26:23,176 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-09 11:26:23,177 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:26:23,177 INFO L85 PathProgramCache]: Analyzing trace with hash 548066547, now seen corresponding path program 1 times [2024-11-09 11:26:23,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:26:23,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [612739086] [2024-11-09 11:26:23,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:26:23,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:26:23,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:23,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 11:26:23,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:23,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-09 11:26:23,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:23,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 11:26:23,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:23,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-09 11:26:23,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:23,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 11:26:23,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:23,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-09 11:26:23,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:23,287 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-09 11:26:23,287 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:26:23,287 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [612739086] [2024-11-09 11:26:23,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [612739086] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:26:23,287 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1301739601] [2024-11-09 11:26:23,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:26:23,288 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:26:23,288 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:26:23,290 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:26:23,292 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-09 11:26:23,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:23,337 INFO L255 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 11:26:23,339 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:26:23,383 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-09 11:26:23,384 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:26:23,510 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-09 11:26:23,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1301739601] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:26:23,511 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:26:23,511 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 16 [2024-11-09 11:26:23,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173138266] [2024-11-09 11:26:23,511 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:26:23,512 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-09 11:26:23,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:26:23,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-09 11:26:23,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=208, Unknown=0, NotChecked=0, Total=272 [2024-11-09 11:26:23,513 INFO L87 Difference]: Start difference. First operand 177 states and 233 transitions. Second operand has 17 states, 16 states have (on average 3.0625) internal successors, (49), 17 states have internal predecessors, (49), 6 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) [2024-11-09 11:26:23,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:26:23,805 INFO L93 Difference]: Finished difference Result 269 states and 360 transitions. [2024-11-09 11:26:23,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-09 11:26:23,806 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 3.0625) internal successors, (49), 17 states have internal predecessors, (49), 6 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) Word has length 53 [2024-11-09 11:26:23,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:26:23,808 INFO L225 Difference]: With dead ends: 269 [2024-11-09 11:26:23,808 INFO L226 Difference]: Without dead ends: 268 [2024-11-09 11:26:23,809 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 145 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=196, Invalid=616, Unknown=0, NotChecked=0, Total=812 [2024-11-09 11:26:23,809 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 269 mSDsluCounter, 186 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 273 SdHoareTripleChecker+Valid, 215 SdHoareTripleChecker+Invalid, 202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:26:23,809 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [273 Valid, 215 Invalid, 202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 11:26:23,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2024-11-09 11:26:23,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 258. [2024-11-09 11:26:23,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 258 states, 210 states have (on average 1.2857142857142858) internal successors, (270), 225 states have internal predecessors, (270), 42 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-11-09 11:26:23,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 354 transitions. [2024-11-09 11:26:23,834 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 354 transitions. Word has length 53 [2024-11-09 11:26:23,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:26:23,834 INFO L471 AbstractCegarLoop]: Abstraction has 258 states and 354 transitions. [2024-11-09 11:26:23,834 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 3.0625) internal successors, (49), 17 states have internal predecessors, (49), 6 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) [2024-11-09 11:26:23,834 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 354 transitions. [2024-11-09 11:26:23,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-09 11:26:23,835 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:26:23,835 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:26:23,852 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-09 11:26:24,035 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-09 11:26:24,036 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-09 11:26:24,037 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:26:24,037 INFO L85 PathProgramCache]: Analyzing trace with hash -1456806200, now seen corresponding path program 2 times [2024-11-09 11:26:24,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:26:24,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698100487] [2024-11-09 11:26:24,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:26:24,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:26:24,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:24,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 11:26:24,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:24,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-09 11:26:24,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:24,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 11:26:24,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:24,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-09 11:26:24,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:24,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-09 11:26:24,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:24,104 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2024-11-09 11:26:24,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:26:24,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1698100487] [2024-11-09 11:26:24,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1698100487] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:26:24,105 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:26:24,105 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 11:26:24,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474186991] [2024-11-09 11:26:24,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:26:24,105 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 11:26:24,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:26:24,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 11:26:24,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-09 11:26:24,106 INFO L87 Difference]: Start difference. First operand 258 states and 354 transitions. Second operand has 6 states, 5 states have (on average 5.8) internal successors, (29), 6 states have internal predecessors, (29), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-09 11:26:24,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:26:24,246 INFO L93 Difference]: Finished difference Result 347 states and 482 transitions. [2024-11-09 11:26:24,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 11:26:24,246 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.8) internal successors, (29), 6 states have internal predecessors, (29), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 57 [2024-11-09 11:26:24,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:26:24,248 INFO L225 Difference]: With dead ends: 347 [2024-11-09 11:26:24,248 INFO L226 Difference]: Without dead ends: 346 [2024-11-09 11:26:24,249 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-09 11:26:24,250 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 75 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:26:24,251 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 115 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:26:24,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2024-11-09 11:26:24,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 258. [2024-11-09 11:26:24,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 258 states, 210 states have (on average 1.2666666666666666) internal successors, (266), 225 states have internal predecessors, (266), 42 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-11-09 11:26:24,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 350 transitions. [2024-11-09 11:26:24,285 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 350 transitions. Word has length 57 [2024-11-09 11:26:24,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:26:24,286 INFO L471 AbstractCegarLoop]: Abstraction has 258 states and 350 transitions. [2024-11-09 11:26:24,286 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.8) internal successors, (29), 6 states have internal predecessors, (29), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-09 11:26:24,286 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 350 transitions. [2024-11-09 11:26:24,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-09 11:26:24,287 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:26:24,287 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:26:24,287 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-09 11:26:24,287 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-09 11:26:24,288 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:26:24,288 INFO L85 PathProgramCache]: Analyzing trace with hash 1293778775, now seen corresponding path program 1 times [2024-11-09 11:26:24,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:26:24,288 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748064955] [2024-11-09 11:26:24,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:26:24,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:26:24,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:24,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 11:26:24,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:24,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-09 11:26:24,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:24,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-09 11:26:24,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:24,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-09 11:26:24,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:24,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-09 11:26:24,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:24,480 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-09 11:26:24,480 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:26:24,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1748064955] [2024-11-09 11:26:24,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1748064955] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:26:24,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2073010239] [2024-11-09 11:26:24,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:26:24,481 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:26:24,481 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:26:24,483 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:26:24,484 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-09 11:26:24,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:24,527 INFO L255 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 11:26:24,528 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:26:24,645 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-09 11:26:24,645 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:26:24,809 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-09 11:26:24,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2073010239] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:26:24,810 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:26:24,810 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 11] total 30 [2024-11-09 11:26:24,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1321676532] [2024-11-09 11:26:24,810 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:26:24,810 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2024-11-09 11:26:24,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:26:24,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2024-11-09 11:26:24,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=163, Invalid=767, Unknown=0, NotChecked=0, Total=930 [2024-11-09 11:26:24,812 INFO L87 Difference]: Start difference. First operand 258 states and 350 transitions. Second operand has 31 states, 30 states have (on average 3.033333333333333) internal successors, (91), 31 states have internal predecessors, (91), 12 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 11 states have call predecessors, (15), 12 states have call successors, (15) [2024-11-09 11:26:25,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:26:25,980 INFO L93 Difference]: Finished difference Result 795 states and 1120 transitions. [2024-11-09 11:26:25,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-11-09 11:26:25,980 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 30 states have (on average 3.033333333333333) internal successors, (91), 31 states have internal predecessors, (91), 12 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 11 states have call predecessors, (15), 12 states have call successors, (15) Word has length 58 [2024-11-09 11:26:25,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:26:25,984 INFO L225 Difference]: With dead ends: 795 [2024-11-09 11:26:25,985 INFO L226 Difference]: Without dead ends: 794 [2024-11-09 11:26:25,987 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1832 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=1059, Invalid=4947, Unknown=0, NotChecked=0, Total=6006 [2024-11-09 11:26:25,987 INFO L432 NwaCegarLoop]: 38 mSDtfsCounter, 631 mSDsluCounter, 330 mSDsCounter, 0 mSdLazyCounter, 455 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 652 SdHoareTripleChecker+Valid, 368 SdHoareTripleChecker+Invalid, 552 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 455 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 11:26:25,987 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [652 Valid, 368 Invalid, 552 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 455 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 11:26:25,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 794 states. [2024-11-09 11:26:26,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 794 to 314. [2024-11-09 11:26:26,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 314 states, 258 states have (on average 1.248062015503876) internal successors, (322), 273 states have internal predecessors, (322), 50 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2024-11-09 11:26:26,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 314 states and 422 transitions. [2024-11-09 11:26:26,036 INFO L78 Accepts]: Start accepts. Automaton has 314 states and 422 transitions. Word has length 58 [2024-11-09 11:26:26,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:26:26,036 INFO L471 AbstractCegarLoop]: Abstraction has 314 states and 422 transitions. [2024-11-09 11:26:26,037 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 30 states have (on average 3.033333333333333) internal successors, (91), 31 states have internal predecessors, (91), 12 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 11 states have call predecessors, (15), 12 states have call successors, (15) [2024-11-09 11:26:26,037 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 422 transitions. [2024-11-09 11:26:26,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-09 11:26:26,038 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:26:26,038 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:26:26,053 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-09 11:26:26,238 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:26:26,239 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-09 11:26:26,239 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:26:26,239 INFO L85 PathProgramCache]: Analyzing trace with hash -591359811, now seen corresponding path program 1 times [2024-11-09 11:26:26,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:26:26,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471437469] [2024-11-09 11:26:26,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:26:26,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:26:26,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:26,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 11:26:26,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:26,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-09 11:26:26,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:26,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 11:26:26,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:26,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-09 11:26:26,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:26,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-09 11:26:26,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:26,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-09 11:26:26,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:26,307 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2024-11-09 11:26:26,307 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:26:26,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [471437469] [2024-11-09 11:26:26,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [471437469] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:26:26,307 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:26:26,307 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 11:26:26,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407243289] [2024-11-09 11:26:26,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:26:26,308 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 11:26:26,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:26:26,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 11:26:26,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:26:26,309 INFO L87 Difference]: Start difference. First operand 314 states and 422 transitions. Second operand has 5 states, 4 states have (on average 6.5) internal successors, (26), 5 states have internal predecessors, (26), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-09 11:26:26,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:26:26,380 INFO L93 Difference]: Finished difference Result 314 states and 422 transitions. [2024-11-09 11:26:26,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 11:26:26,381 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.5) internal successors, (26), 5 states have internal predecessors, (26), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 59 [2024-11-09 11:26:26,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:26:26,383 INFO L225 Difference]: With dead ends: 314 [2024-11-09 11:26:26,383 INFO L226 Difference]: Without dead ends: 313 [2024-11-09 11:26:26,383 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-09 11:26:26,384 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 30 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:26:26,384 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 69 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:26:26,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2024-11-09 11:26:26,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 313. [2024-11-09 11:26:26,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 313 states, 258 states have (on average 1.2325581395348837) internal successors, (318), 272 states have internal predecessors, (318), 50 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2024-11-09 11:26:26,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 418 transitions. [2024-11-09 11:26:26,417 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 418 transitions. Word has length 59 [2024-11-09 11:26:26,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:26:26,417 INFO L471 AbstractCegarLoop]: Abstraction has 313 states and 418 transitions. [2024-11-09 11:26:26,418 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.5) internal successors, (26), 5 states have internal predecessors, (26), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-09 11:26:26,418 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 418 transitions. [2024-11-09 11:26:26,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-09 11:26:26,418 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:26:26,418 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-09 11:26:26,418 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-09 11:26:26,419 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-09 11:26:26,419 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:26:26,419 INFO L85 PathProgramCache]: Analyzing trace with hash 1062538716, now seen corresponding path program 2 times [2024-11-09 11:26:26,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:26:26,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [643379550] [2024-11-09 11:26:26,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:26:26,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:26:26,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:26,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 11:26:26,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:26,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-09 11:26:26,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:26,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 11:26:26,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:26,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-09 11:26:26,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:26,474 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2024-11-09 11:26:26,475 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:26:26,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [643379550] [2024-11-09 11:26:26,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [643379550] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:26:26,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1540378546] [2024-11-09 11:26:26,475 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 11:26:26,475 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:26:26,475 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:26:26,477 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:26:26,479 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-09 11:26:26,514 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-09 11:26:26,514 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:26:26,515 INFO L255 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 11:26:26,517 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:26:26,566 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2024-11-09 11:26:26,567 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:26:26,637 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2024-11-09 11:26:26,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1540378546] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:26:26,638 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:26:26,638 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-11-09 11:26:26,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757566941] [2024-11-09 11:26:26,638 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:26:26,638 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 11:26:26,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:26:26,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 11:26:26,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-09 11:26:26,639 INFO L87 Difference]: Start difference. First operand 313 states and 418 transitions. Second operand has 6 states, 5 states have (on average 8.2) internal successors, (41), 6 states have internal predecessors, (41), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-09 11:26:26,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:26:26,691 INFO L93 Difference]: Finished difference Result 313 states and 418 transitions. [2024-11-09 11:26:26,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:26:26,691 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.2) internal successors, (41), 6 states have internal predecessors, (41), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 59 [2024-11-09 11:26:26,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:26:26,693 INFO L225 Difference]: With dead ends: 313 [2024-11-09 11:26:26,693 INFO L226 Difference]: Without dead ends: 312 [2024-11-09 11:26:26,694 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 122 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-09 11:26:26,694 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 29 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:26:26,694 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 58 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:26:26,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states. [2024-11-09 11:26:26,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 264. [2024-11-09 11:26:26,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 264 states, 217 states have (on average 1.2258064516129032) internal successors, (266), 228 states have internal predecessors, (266), 43 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) [2024-11-09 11:26:26,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 352 transitions. [2024-11-09 11:26:26,729 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 352 transitions. Word has length 59 [2024-11-09 11:26:26,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:26:26,729 INFO L471 AbstractCegarLoop]: Abstraction has 264 states and 352 transitions. [2024-11-09 11:26:26,729 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.2) internal successors, (41), 6 states have internal predecessors, (41), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-09 11:26:26,730 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 352 transitions. [2024-11-09 11:26:26,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-09 11:26:26,730 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:26:26,731 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 4, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:26:26,748 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-09 11:26:26,931 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2024-11-09 11:26:26,932 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-09 11:26:26,932 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:26:26,932 INFO L85 PathProgramCache]: Analyzing trace with hash -1985593289, now seen corresponding path program 2 times [2024-11-09 11:26:26,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:26:26,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [854090015] [2024-11-09 11:26:26,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:26:26,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:26:26,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:27,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 11:26:27,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:27,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-09 11:26:27,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:27,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 11:26:27,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:27,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-09 11:26:27,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:27,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 11:26:27,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:27,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-09 11:26:27,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:27,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-09 11:26:27,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:27,102 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-09 11:26:27,102 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:26:27,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [854090015] [2024-11-09 11:26:27,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [854090015] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:26:27,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1218534948] [2024-11-09 11:26:27,102 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 11:26:27,103 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:26:27,103 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:26:27,104 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:26:27,105 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-09 11:26:27,140 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-09 11:26:27,140 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:26:27,140 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 11:26:27,142 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:26:27,217 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-11-09 11:26:27,218 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:26:27,306 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-11-09 11:26:27,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1218534948] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:26:27,307 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:26:27,307 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 6, 6] total 17 [2024-11-09 11:26:27,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84594232] [2024-11-09 11:26:27,307 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:26:27,307 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-09 11:26:27,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:26:27,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-09 11:26:27,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=245, Unknown=0, NotChecked=0, Total=306 [2024-11-09 11:26:27,309 INFO L87 Difference]: Start difference. First operand 264 states and 352 transitions. Second operand has 18 states, 17 states have (on average 3.176470588235294) internal successors, (54), 17 states have internal predecessors, (54), 6 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 6 states have call predecessors, (10), 6 states have call successors, (10) [2024-11-09 11:26:27,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:26:27,965 INFO L93 Difference]: Finished difference Result 341 states and 462 transitions. [2024-11-09 11:26:27,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-09 11:26:27,967 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.176470588235294) internal successors, (54), 17 states have internal predecessors, (54), 6 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 6 states have call predecessors, (10), 6 states have call successors, (10) Word has length 66 [2024-11-09 11:26:27,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:26:27,969 INFO L225 Difference]: With dead ends: 341 [2024-11-09 11:26:27,969 INFO L226 Difference]: Without dead ends: 340 [2024-11-09 11:26:27,971 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 137 SyntacticMatches, 4 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 871 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=597, Invalid=2373, Unknown=0, NotChecked=0, Total=2970 [2024-11-09 11:26:27,971 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 269 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 324 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 269 SdHoareTripleChecker+Valid, 182 SdHoareTripleChecker+Invalid, 382 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 324 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:26:27,971 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [269 Valid, 182 Invalid, 382 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 324 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 11:26:27,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2024-11-09 11:26:27,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 155. [2024-11-09 11:26:27,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 125 states have (on average 1.224) internal successors, (153), 135 states have internal predecessors, (153), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-09 11:26:27,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 207 transitions. [2024-11-09 11:26:27,999 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 207 transitions. Word has length 66 [2024-11-09 11:26:28,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:26:28,000 INFO L471 AbstractCegarLoop]: Abstraction has 155 states and 207 transitions. [2024-11-09 11:26:28,000 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.176470588235294) internal successors, (54), 17 states have internal predecessors, (54), 6 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 6 states have call predecessors, (10), 6 states have call successors, (10) [2024-11-09 11:26:28,000 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 207 transitions. [2024-11-09 11:26:28,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-09 11:26:28,002 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:26:28,002 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:26:28,018 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-09 11:26:28,206 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-11-09 11:26:28,207 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-09 11:26:28,207 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:26:28,207 INFO L85 PathProgramCache]: Analyzing trace with hash -919040558, now seen corresponding path program 3 times [2024-11-09 11:26:28,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:26:28,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977406102] [2024-11-09 11:26:28,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:26:28,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:26:28,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:28,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 11:26:28,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:28,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-09 11:26:28,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:28,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 11:26:28,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:28,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-09 11:26:28,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:28,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-09 11:26:28,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:28,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-09 11:26:28,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:28,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 11:26:28,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:28,293 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2024-11-09 11:26:28,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:26:28,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [977406102] [2024-11-09 11:26:28,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [977406102] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:26:28,294 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:26:28,294 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 11:26:28,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332901997] [2024-11-09 11:26:28,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:26:28,295 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 11:26:28,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:26:28,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 11:26:28,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:26:28,296 INFO L87 Difference]: Start difference. First operand 155 states and 207 transitions. Second operand has 8 states, 7 states have (on average 4.857142857142857) internal successors, (34), 8 states have internal predecessors, (34), 3 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2024-11-09 11:26:28,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:26:28,487 INFO L93 Difference]: Finished difference Result 214 states and 295 transitions. [2024-11-09 11:26:28,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-09 11:26:28,488 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 4.857142857142857) internal successors, (34), 8 states have internal predecessors, (34), 3 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 72 [2024-11-09 11:26:28,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:26:28,489 INFO L225 Difference]: With dead ends: 214 [2024-11-09 11:26:28,489 INFO L226 Difference]: Without dead ends: 213 [2024-11-09 11:26:28,490 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=64, Invalid=176, Unknown=0, NotChecked=0, Total=240 [2024-11-09 11:26:28,490 INFO L432 NwaCegarLoop]: 38 mSDtfsCounter, 57 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 197 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:26:28,491 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 197 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:26:28,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2024-11-09 11:26:28,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 124. [2024-11-09 11:26:28,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 101 states have (on average 1.198019801980198) internal successors, (121), 108 states have internal predecessors, (121), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-09 11:26:28,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 163 transitions. [2024-11-09 11:26:28,515 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 163 transitions. Word has length 72 [2024-11-09 11:26:28,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:26:28,515 INFO L471 AbstractCegarLoop]: Abstraction has 124 states and 163 transitions. [2024-11-09 11:26:28,516 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 4.857142857142857) internal successors, (34), 8 states have internal predecessors, (34), 3 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2024-11-09 11:26:28,516 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 163 transitions. [2024-11-09 11:26:28,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-09 11:26:28,516 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:26:28,517 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:26:28,517 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-09 11:26:28,517 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-09 11:26:28,517 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:26:28,517 INFO L85 PathProgramCache]: Analyzing trace with hash -804058116, now seen corresponding path program 1 times [2024-11-09 11:26:28,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:26:28,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690146769] [2024-11-09 11:26:28,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:26:28,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:26:28,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:28,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 11:26:28,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:28,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-09 11:26:28,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:28,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 11:26:28,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:28,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-09 11:26:28,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:28,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-09 11:26:28,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:28,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-09 11:26:28,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:28,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-09 11:26:28,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:28,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-09 11:26:28,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:28,707 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 19 proven. 30 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-09 11:26:28,707 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:26:28,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [690146769] [2024-11-09 11:26:28,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [690146769] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:26:28,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1871395327] [2024-11-09 11:26:28,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:26:28,708 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:26:28,708 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:26:28,710 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:26:28,711 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-09 11:26:28,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:28,758 INFO L255 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 11:26:28,759 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:26:28,921 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 95 proven. 12 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-11-09 11:26:28,921 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:26:29,086 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 31 proven. 12 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2024-11-09 11:26:29,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1871395327] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:26:29,087 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:26:29,087 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 11, 11] total 22 [2024-11-09 11:26:29,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565699709] [2024-11-09 11:26:29,087 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:26:29,088 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-09 11:26:29,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:26:29,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-09 11:26:29,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=392, Unknown=0, NotChecked=0, Total=462 [2024-11-09 11:26:29,089 INFO L87 Difference]: Start difference. First operand 124 states and 163 transitions. Second operand has 22 states, 22 states have (on average 2.909090909090909) internal successors, (64), 22 states have internal predecessors, (64), 6 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) [2024-11-09 11:26:29,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:26:29,383 INFO L93 Difference]: Finished difference Result 236 states and 312 transitions. [2024-11-09 11:26:29,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-09 11:26:29,384 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 2.909090909090909) internal successors, (64), 22 states have internal predecessors, (64), 6 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) Word has length 75 [2024-11-09 11:26:29,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:26:29,385 INFO L225 Difference]: With dead ends: 236 [2024-11-09 11:26:29,385 INFO L226 Difference]: Without dead ends: 184 [2024-11-09 11:26:29,386 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 150 SyntacticMatches, 8 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 288 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=79, Invalid=427, Unknown=0, NotChecked=0, Total=506 [2024-11-09 11:26:29,387 INFO L432 NwaCegarLoop]: 21 mSDtfsCounter, 112 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 362 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 215 SdHoareTripleChecker+Invalid, 370 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 362 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:26:29,387 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 215 Invalid, 370 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 362 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 11:26:29,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2024-11-09 11:26:29,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 155. [2024-11-09 11:26:29,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 126 states have (on average 1.1904761904761905) internal successors, (150), 135 states have internal predecessors, (150), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-09 11:26:29,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 204 transitions. [2024-11-09 11:26:29,431 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 204 transitions. Word has length 75 [2024-11-09 11:26:29,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:26:29,432 INFO L471 AbstractCegarLoop]: Abstraction has 155 states and 204 transitions. [2024-11-09 11:26:29,432 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 2.909090909090909) internal successors, (64), 22 states have internal predecessors, (64), 6 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) [2024-11-09 11:26:29,432 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 204 transitions. [2024-11-09 11:26:29,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-09 11:26:29,433 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:26:29,433 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 5, 5, 5, 5, 5, 5, 5, 5, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:26:29,450 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-11-09 11:26:29,633 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2024-11-09 11:26:29,634 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-09 11:26:29,634 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:26:29,634 INFO L85 PathProgramCache]: Analyzing trace with hash -1856171848, now seen corresponding path program 2 times [2024-11-09 11:26:29,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:26:29,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799712254] [2024-11-09 11:26:29,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:26:29,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:26:29,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:29,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 11:26:29,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:29,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-09 11:26:29,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:29,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 11:26:29,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:29,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-09 11:26:29,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:29,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 11:26:29,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:29,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-09 11:26:29,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:29,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-09 11:26:29,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:29,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-09 11:26:29,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:29,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-09 11:26:29,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:29,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-09 11:26:29,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:29,772 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2024-11-09 11:26:29,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:26:29,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [799712254] [2024-11-09 11:26:29,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [799712254] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:26:29,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [539552079] [2024-11-09 11:26:29,773 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 11:26:29,774 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:26:29,774 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:26:29,775 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:26:29,777 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-09 11:26:29,814 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-09 11:26:29,815 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:26:29,815 INFO L255 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:26:29,817 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:26:29,900 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2024-11-09 11:26:29,901 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:26:30,014 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2024-11-09 11:26:30,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [539552079] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:26:30,015 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:26:30,015 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4, 4] total 14 [2024-11-09 11:26:30,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [401129327] [2024-11-09 11:26:30,015 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:26:30,015 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-09 11:26:30,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:26:30,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-09 11:26:30,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2024-11-09 11:26:30,016 INFO L87 Difference]: Start difference. First operand 155 states and 204 transitions. Second operand has 15 states, 14 states have (on average 5.214285714285714) internal successors, (73), 15 states have internal predecessors, (73), 7 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 7 states have call predecessors, (14), 7 states have call successors, (14) [2024-11-09 11:26:30,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:26:30,403 INFO L93 Difference]: Finished difference Result 223 states and 297 transitions. [2024-11-09 11:26:30,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-09 11:26:30,404 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 5.214285714285714) internal successors, (73), 15 states have internal predecessors, (73), 7 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 7 states have call predecessors, (14), 7 states have call successors, (14) Word has length 90 [2024-11-09 11:26:30,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:26:30,404 INFO L225 Difference]: With dead ends: 223 [2024-11-09 11:26:30,405 INFO L226 Difference]: Without dead ends: 0 [2024-11-09 11:26:30,406 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 226 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 209 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=266, Invalid=924, Unknown=0, NotChecked=0, Total=1190 [2024-11-09 11:26:30,406 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 274 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 162 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 274 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:26:30,407 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [274 Valid, 117 Invalid, 209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 162 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:26:30,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-09 11:26:30,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-09 11:26:30,411 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 11:26:30,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-09 11:26:30,411 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 90 [2024-11-09 11:26:30,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:26:30,412 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-09 11:26:30,412 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 5.214285714285714) internal successors, (73), 15 states have internal predecessors, (73), 7 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 7 states have call predecessors, (14), 7 states have call successors, (14) [2024-11-09 11:26:30,412 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-09 11:26:30,412 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-09 11:26:30,416 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 10 remaining) [2024-11-09 11:26:30,417 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 10 remaining) [2024-11-09 11:26:30,417 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 10 remaining) [2024-11-09 11:26:30,417 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 10 remaining) [2024-11-09 11:26:30,417 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 10 remaining) [2024-11-09 11:26:30,418 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 10 remaining) [2024-11-09 11:26:30,418 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 10 remaining) [2024-11-09 11:26:30,418 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 10 remaining) [2024-11-09 11:26:30,418 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 10 remaining) [2024-11-09 11:26:30,418 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 10 remaining) [2024-11-09 11:26:30,435 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-09 11:26:30,619 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-11-09 11:26:30,623 INFO L407 BasicCegarLoop]: Path program histogram: [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:26:30,626 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-09 11:27:22,441 WARN L286 SmtUtils]: Spent 48.85s on a formula simplification. DAG size of input: 275 DAG size of output: 262 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or)