./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound100.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound100.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 f26bb7c01ef96852e13a34034142a6eda53bd301e224804a84caad37f299321b --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 13:24:57,881 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 13:24:57,945 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-13 13:24:57,951 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 13:24:57,953 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 13:24:57,974 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 13:24:57,975 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 13:24:57,975 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 13:24:57,976 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 13:24:57,976 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 13:24:57,977 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 13:24:57,977 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 13:24:57,978 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 13:24:57,978 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 13:24:57,978 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 13:24:57,979 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 13:24:57,979 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 13:24:57,979 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 13:24:57,979 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 13:24:57,980 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 13:24:57,980 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 13:24:57,984 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 13:24:57,985 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 13:24:57,985 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 13:24:57,985 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 13:24:57,985 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-13 13:24:57,986 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-13 13:24:57,986 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 13:24:57,986 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 13:24:57,986 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 13:24:57,987 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 13:24:57,987 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 13:24:57,987 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 13:24:57,987 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 13:24:57,987 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 13:24:57,988 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 13:24:57,992 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 13:24:57,993 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 13:24:57,993 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 13:24:57,993 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 13:24:57,994 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 13:24:57,994 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 13:24:57,994 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 13:24:57,995 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 13:24:57,995 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f26bb7c01ef96852e13a34034142a6eda53bd301e224804a84caad37f299321b [2024-10-13 13:24:58,274 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 13:24:58,298 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 13:24:58,301 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 13:24:58,302 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 13:24:58,302 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 13:24:58,303 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound100.i [2024-10-13 13:24:59,675 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 13:24:59,869 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 13:24:59,869 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound100.i [2024-10-13 13:24:59,875 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf274fe9b/8b9e5355611c4a1bb34504a2024e9698/FLAG7a7eaf5d3 [2024-10-13 13:24:59,887 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf274fe9b/8b9e5355611c4a1bb34504a2024e9698 [2024-10-13 13:24:59,890 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 13:24:59,891 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 13:24:59,892 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 13:24:59,892 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 13:24:59,898 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 13:24:59,898 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:24:59" (1/1) ... [2024-10-13 13:24:59,899 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f4b4249 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:24:59, skipping insertion in model container [2024-10-13 13:24:59,901 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:24:59" (1/1) ... [2024-10-13 13:24:59,920 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 13:25:00,108 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 13:25:00,115 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 13:25:00,131 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 13:25:00,148 INFO L204 MainTranslator]: Completed translation [2024-10-13 13:25:00,149 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:25:00 WrapperNode [2024-10-13 13:25:00,149 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 13:25:00,150 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 13:25:00,150 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 13:25:00,150 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 13:25:00,157 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:25:00" (1/1) ... [2024-10-13 13:25:00,163 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:25:00" (1/1) ... [2024-10-13 13:25:00,178 INFO L138 Inliner]: procedures = 16, calls = 9, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 62 [2024-10-13 13:25:00,179 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 13:25:00,180 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 13:25:00,180 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 13:25:00,180 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 13:25:00,188 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:25:00" (1/1) ... [2024-10-13 13:25:00,188 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:25:00" (1/1) ... [2024-10-13 13:25:00,189 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:25:00" (1/1) ... [2024-10-13 13:25:00,199 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-13 13:25:00,199 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:25:00" (1/1) ... [2024-10-13 13:25:00,199 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:25:00" (1/1) ... [2024-10-13 13:25:00,202 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:25:00" (1/1) ... [2024-10-13 13:25:00,205 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:25:00" (1/1) ... [2024-10-13 13:25:00,206 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:25:00" (1/1) ... [2024-10-13 13:25:00,206 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:25:00" (1/1) ... [2024-10-13 13:25:00,210 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 13:25:00,211 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 13:25:00,211 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 13:25:00,211 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 13:25:00,212 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:25:00" (1/1) ... [2024-10-13 13:25:00,217 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 13:25:00,230 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:25:00,246 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-13 13:25:00,249 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-13 13:25:00,297 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 13:25:00,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-13 13:25:00,297 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 13:25:00,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 13:25:00,298 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-13 13:25:00,298 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-13 13:25:00,361 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 13:25:00,363 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 13:25:00,621 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-10-13 13:25:00,622 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 13:25:00,654 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 13:25:00,654 INFO L314 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-13 13:25:00,655 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:25:00 BoogieIcfgContainer [2024-10-13 13:25:00,655 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 13:25:00,658 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 13:25:00,658 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 13:25:00,662 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 13:25:00,662 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 01:24:59" (1/3) ... [2024-10-13 13:25:00,663 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e25a03a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 01:25:00, skipping insertion in model container [2024-10-13 13:25:00,664 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:25:00" (2/3) ... [2024-10-13 13:25:00,664 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e25a03a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 01:25:00, skipping insertion in model container [2024-10-13 13:25:00,665 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:25:00" (3/3) ... [2024-10-13 13:25:00,666 INFO L112 eAbstractionObserver]: Analyzing ICFG divbin2_unwindbound100.i [2024-10-13 13:25:00,681 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 13:25:00,681 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-10-13 13:25:00,733 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 13:25:00,739 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;@452cbc57, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 13:25:00,739 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-10-13 13:25:00,743 INFO L276 IsEmpty]: Start isEmpty. Operand has 26 states, 18 states have (on average 1.7222222222222223) internal successors, (31), 22 states have internal predecessors, (31), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-13 13:25:00,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-10-13 13:25:00,748 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:25:00,748 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1] [2024-10-13 13:25:00,749 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-13 13:25:00,753 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:25:00,753 INFO L85 PathProgramCache]: Analyzing trace with hash 106896, now seen corresponding path program 1 times [2024-10-13 13:25:00,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:25:00,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [304435059] [2024-10-13 13:25:00,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:25:00,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:25:00,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:00,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 13:25:00,982 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:25:00,982 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [304435059] [2024-10-13 13:25:00,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [304435059] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:25:00,984 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:25:00,984 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 13:25:00,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031228478] [2024-10-13 13:25:00,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:25:00,989 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 13:25:00,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:25:01,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 13:25:01,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:25:01,007 INFO L87 Difference]: Start difference. First operand has 26 states, 18 states have (on average 1.7222222222222223) internal successors, (31), 22 states have internal predecessors, (31), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 13:25:01,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:25:01,081 INFO L93 Difference]: Finished difference Result 49 states and 68 transitions. [2024-10-13 13:25:01,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 13:25:01,083 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 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 3 [2024-10-13 13:25:01,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:25:01,088 INFO L225 Difference]: With dead ends: 49 [2024-10-13 13:25:01,089 INFO L226 Difference]: Without dead ends: 25 [2024-10-13 13:25:01,091 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-13 13:25:01,093 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 4 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 13:25:01,094 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 65 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 13:25:01,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2024-10-13 13:25:01,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2024-10-13 13:25:01,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 19 states have (on average 1.368421052631579) internal successors, (26), 22 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-13 13:25:01,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 28 transitions. [2024-10-13 13:25:01,129 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 28 transitions. Word has length 3 [2024-10-13 13:25:01,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:25:01,130 INFO L471 AbstractCegarLoop]: Abstraction has 25 states and 28 transitions. [2024-10-13 13:25:01,130 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 13:25:01,130 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions. [2024-10-13 13:25:01,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-10-13 13:25:01,132 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:25:01,132 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:25:01,132 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 13:25:01,133 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-13 13:25:01,134 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:25:01,134 INFO L85 PathProgramCache]: Analyzing trace with hash -1930673058, now seen corresponding path program 1 times [2024-10-13 13:25:01,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:25:01,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425825706] [2024-10-13 13:25:01,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:25:01,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:25:01,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:01,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 13:25:01,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:25:01,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [425825706] [2024-10-13 13:25:01,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [425825706] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:25:01,309 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:25:01,309 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 13:25:01,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2057261028] [2024-10-13 13:25:01,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:25:01,311 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-13 13:25:01,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:25:01,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-13 13:25:01,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-10-13 13:25:01,316 INFO L87 Difference]: Start difference. First operand 25 states and 28 transitions. Second operand has 7 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 13:25:01,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:25:01,432 INFO L93 Difference]: Finished difference Result 44 states and 49 transitions. [2024-10-13 13:25:01,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-13 13:25:01,435 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-10-13 13:25:01,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:25:01,436 INFO L225 Difference]: With dead ends: 44 [2024-10-13 13:25:01,437 INFO L226 Difference]: Without dead ends: 43 [2024-10-13 13:25:01,437 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-10-13 13:25:01,439 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 21 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 13:25:01,439 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 73 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 13:25:01,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2024-10-13 13:25:01,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 37. [2024-10-13 13:25:01,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 29 states have (on average 1.3448275862068966) internal successors, (39), 32 states have internal predecessors, (39), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-13 13:25:01,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 43 transitions. [2024-10-13 13:25:01,450 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 43 transitions. Word has length 8 [2024-10-13 13:25:01,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:25:01,452 INFO L471 AbstractCegarLoop]: Abstraction has 37 states and 43 transitions. [2024-10-13 13:25:01,452 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 13:25:01,453 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 43 transitions. [2024-10-13 13:25:01,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-10-13 13:25:01,454 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:25:01,454 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2024-10-13 13:25:01,454 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-13 13:25:01,455 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-13 13:25:01,455 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:25:01,455 INFO L85 PathProgramCache]: Analyzing trace with hash -1930671808, now seen corresponding path program 1 times [2024-10-13 13:25:01,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:25:01,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128051624] [2024-10-13 13:25:01,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:25:01,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:25:01,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:01,586 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 13:25:01,586 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:25:01,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128051624] [2024-10-13 13:25:01,588 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1128051624] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:25:01,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1815952911] [2024-10-13 13:25:01,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:25:01,588 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:25:01,589 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:25:01,591 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:25:01,593 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-13 13:25:01,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:01,643 INFO L255 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-13 13:25:01,649 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:25:01,734 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 13:25:01,735 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 13:25:01,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1815952911] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:25:01,738 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:25:01,738 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 9 [2024-10-13 13:25:01,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196362075] [2024-10-13 13:25:01,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:25:01,740 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 13:25:01,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:25:01,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 13:25:01,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-10-13 13:25:01,741 INFO L87 Difference]: Start difference. First operand 37 states and 43 transitions. Second operand has 5 states, 4 states have (on average 2.0) internal successors, (8), 5 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 13:25:01,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:25:01,792 INFO L93 Difference]: Finished difference Result 45 states and 52 transitions. [2024-10-13 13:25:01,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 13:25:01,792 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.0) internal successors, (8), 5 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-10-13 13:25:01,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:25:01,793 INFO L225 Difference]: With dead ends: 45 [2024-10-13 13:25:01,793 INFO L226 Difference]: Without dead ends: 44 [2024-10-13 13:25:01,794 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-10-13 13:25:01,795 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 11 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 13:25:01,795 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 57 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 13:25:01,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2024-10-13 13:25:01,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 36. [2024-10-13 13:25:01,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 29 states have (on average 1.3103448275862069) internal successors, (38), 31 states have internal predecessors, (38), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-13 13:25:01,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 42 transitions. [2024-10-13 13:25:01,803 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 42 transitions. Word has length 8 [2024-10-13 13:25:01,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:25:01,803 INFO L471 AbstractCegarLoop]: Abstraction has 36 states and 42 transitions. [2024-10-13 13:25:01,803 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.0) internal successors, (8), 5 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 13:25:01,804 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 42 transitions. [2024-10-13 13:25:01,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-10-13 13:25:01,804 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:25:01,804 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:25:01,821 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-13 13:25:02,005 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:25:02,005 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-13 13:25:02,006 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:25:02,006 INFO L85 PathProgramCache]: Analyzing trace with hash 278677408, now seen corresponding path program 1 times [2024-10-13 13:25:02,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:25:02,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235177357] [2024-10-13 13:25:02,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:25:02,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:25:02,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:02,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 13:25:02,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:25:02,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [235177357] [2024-10-13 13:25:02,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [235177357] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:25:02,099 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:25:02,099 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 13:25:02,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624543881] [2024-10-13 13:25:02,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:25:02,100 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-13 13:25:02,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:25:02,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-13 13:25:02,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-10-13 13:25:02,100 INFO L87 Difference]: Start difference. First operand 36 states and 42 transitions. Second operand has 7 states, 6 states have (on average 1.5) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 13:25:02,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:25:02,180 INFO L93 Difference]: Finished difference Result 45 states and 51 transitions. [2024-10-13 13:25:02,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-13 13:25:02,183 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 1.5) internal successors, (9), 6 states have internal predecessors, (9), 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 9 [2024-10-13 13:25:02,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:25:02,184 INFO L225 Difference]: With dead ends: 45 [2024-10-13 13:25:02,184 INFO L226 Difference]: Without dead ends: 44 [2024-10-13 13:25:02,184 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-10-13 13:25:02,185 INFO L432 NwaCegarLoop]: 14 mSDtfsCounter, 10 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 13:25:02,186 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 70 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 13:25:02,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2024-10-13 13:25:02,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 39. [2024-10-13 13:25:02,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 32 states have (on average 1.28125) internal successors, (41), 34 states have internal predecessors, (41), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-13 13:25:02,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 45 transitions. [2024-10-13 13:25:02,192 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 45 transitions. Word has length 9 [2024-10-13 13:25:02,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:25:02,192 INFO L471 AbstractCegarLoop]: Abstraction has 39 states and 45 transitions. [2024-10-13 13:25:02,192 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 1.5) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 13:25:02,192 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 45 transitions. [2024-10-13 13:25:02,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-10-13 13:25:02,193 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:25:02,193 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1] [2024-10-13 13:25:02,193 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-13 13:25:02,194 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-13 13:25:02,194 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:25:02,194 INFO L85 PathProgramCache]: Analyzing trace with hash 278716137, now seen corresponding path program 1 times [2024-10-13 13:25:02,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:25:02,194 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [238308422] [2024-10-13 13:25:02,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:25:02,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:25:02,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:02,291 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 13:25:02,291 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:25:02,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [238308422] [2024-10-13 13:25:02,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [238308422] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:25:02,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1973611766] [2024-10-13 13:25:02,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:25:02,292 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:25:02,292 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:25:02,294 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:25:02,296 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-13 13:25:02,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:02,331 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-13 13:25:02,332 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:25:02,383 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 13:25:02,384 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 13:25:02,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1973611766] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:25:02,384 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:25:02,384 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 9 [2024-10-13 13:25:02,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [209014772] [2024-10-13 13:25:02,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:25:02,385 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 13:25:02,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:25:02,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 13:25:02,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-10-13 13:25:02,386 INFO L87 Difference]: Start difference. First operand 39 states and 45 transitions. Second operand has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 13:25:02,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:25:02,439 INFO L93 Difference]: Finished difference Result 44 states and 50 transitions. [2024-10-13 13:25:02,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 13:25:02,439 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 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 9 [2024-10-13 13:25:02,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:25:02,440 INFO L225 Difference]: With dead ends: 44 [2024-10-13 13:25:02,440 INFO L226 Difference]: Without dead ends: 43 [2024-10-13 13:25:02,440 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-10-13 13:25:02,441 INFO L432 NwaCegarLoop]: 17 mSDtfsCounter, 9 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 13:25:02,441 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 62 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 13:25:02,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2024-10-13 13:25:02,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 38. [2024-10-13 13:25:02,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 32 states have (on average 1.25) internal successors, (40), 33 states have internal predecessors, (40), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-13 13:25:02,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 44 transitions. [2024-10-13 13:25:02,468 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 44 transitions. Word has length 9 [2024-10-13 13:25:02,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:25:02,468 INFO L471 AbstractCegarLoop]: Abstraction has 38 states and 44 transitions. [2024-10-13 13:25:02,468 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 13:25:02,468 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 44 transitions. [2024-10-13 13:25:02,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-10-13 13:25:02,468 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:25:02,469 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-10-13 13:25:02,514 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-13 13:25:02,669 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:25:02,670 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-13 13:25:02,670 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:25:02,670 INFO L85 PathProgramCache]: Analyzing trace with hash 1060698341, now seen corresponding path program 1 times [2024-10-13 13:25:02,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:25:02,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784707862] [2024-10-13 13:25:02,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:25:02,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:25:02,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:02,764 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 13:25:02,765 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:25:02,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1784707862] [2024-10-13 13:25:02,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1784707862] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:25:02,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1459627972] [2024-10-13 13:25:02,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:25:02,766 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:25:02,766 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:25:02,767 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:25:02,769 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-13 13:25:02,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:02,804 INFO L255 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-13 13:25:02,805 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:25:02,839 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 13:25:02,840 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:25:02,883 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 13:25:02,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1459627972] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:25:02,883 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 13:25:02,883 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 12 [2024-10-13 13:25:02,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932243860] [2024-10-13 13:25:02,883 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 13:25:02,884 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-13 13:25:02,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:25:02,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-13 13:25:02,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2024-10-13 13:25:02,885 INFO L87 Difference]: Start difference. First operand 38 states and 44 transitions. Second operand has 13 states, 13 states have (on average 2.076923076923077) internal successors, (27), 12 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 13:25:02,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:25:02,998 INFO L93 Difference]: Finished difference Result 75 states and 87 transitions. [2024-10-13 13:25:02,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-13 13:25:02,998 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 2.076923076923077) internal successors, (27), 12 states have internal predecessors, (27), 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 12 [2024-10-13 13:25:02,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:25:02,999 INFO L225 Difference]: With dead ends: 75 [2024-10-13 13:25:02,999 INFO L226 Difference]: Without dead ends: 62 [2024-10-13 13:25:03,000 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2024-10-13 13:25:03,002 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 43 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 13:25:03,002 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 75 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 13:25:03,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2024-10-13 13:25:03,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 52. [2024-10-13 13:25:03,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 46 states have (on average 1.2173913043478262) internal successors, (56), 47 states have internal predecessors, (56), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-13 13:25:03,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 60 transitions. [2024-10-13 13:25:03,010 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 60 transitions. Word has length 12 [2024-10-13 13:25:03,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:25:03,010 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 60 transitions. [2024-10-13 13:25:03,010 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 2.076923076923077) internal successors, (27), 12 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 13:25:03,010 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 60 transitions. [2024-10-13 13:25:03,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-10-13 13:25:03,011 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:25:03,011 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-10-13 13:25:03,029 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-10-13 13:25:03,212 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:25:03,212 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-13 13:25:03,213 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:25:03,213 INFO L85 PathProgramCache]: Analyzing trace with hash -1478038866, now seen corresponding path program 1 times [2024-10-13 13:25:03,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:25:03,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928069711] [2024-10-13 13:25:03,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:25:03,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:25:03,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:03,299 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 13:25:03,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:25:03,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1928069711] [2024-10-13 13:25:03,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1928069711] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:25:03,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [124193228] [2024-10-13 13:25:03,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:25:03,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:25:03,301 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:25:03,302 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:25:03,304 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-13 13:25:03,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:03,337 INFO L255 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-13 13:25:03,338 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:25:03,407 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 13:25:03,407 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 13:25:03,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [124193228] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:25:03,408 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:25:03,408 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 13 [2024-10-13 13:25:03,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247910130] [2024-10-13 13:25:03,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:25:03,409 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-13 13:25:03,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:25:03,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-13 13:25:03,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2024-10-13 13:25:03,410 INFO L87 Difference]: Start difference. First operand 52 states and 60 transitions. Second operand has 7 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 7 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) [2024-10-13 13:25:03,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:25:03,454 INFO L93 Difference]: Finished difference Result 52 states and 60 transitions. [2024-10-13 13:25:03,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 13:25:03,455 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 7 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 [2024-10-13 13:25:03,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:25:03,456 INFO L225 Difference]: With dead ends: 52 [2024-10-13 13:25:03,456 INFO L226 Difference]: Without dead ends: 51 [2024-10-13 13:25:03,456 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=183, Unknown=0, NotChecked=0, Total=240 [2024-10-13 13:25:03,457 INFO L432 NwaCegarLoop]: 10 mSDtfsCounter, 20 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 13:25:03,457 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 30 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 13:25:03,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2024-10-13 13:25:03,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 40. [2024-10-13 13:25:03,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 37 states have (on average 1.1891891891891893) internal successors, (44), 37 states have internal predecessors, (44), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-13 13:25:03,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 46 transitions. [2024-10-13 13:25:03,465 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 46 transitions. Word has length 13 [2024-10-13 13:25:03,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:25:03,465 INFO L471 AbstractCegarLoop]: Abstraction has 40 states and 46 transitions. [2024-10-13 13:25:03,469 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 7 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) [2024-10-13 13:25:03,469 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 46 transitions. [2024-10-13 13:25:03,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-10-13 13:25:03,470 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:25:03,470 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-10-13 13:25:03,486 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-13 13:25:03,674 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:25:03,675 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-13 13:25:03,675 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:25:03,675 INFO L85 PathProgramCache]: Analyzing trace with hash 1425435472, now seen corresponding path program 1 times [2024-10-13 13:25:03,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:25:03,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [183312905] [2024-10-13 13:25:03,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:25:03,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:25:03,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:03,774 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 13:25:03,775 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:25:03,775 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [183312905] [2024-10-13 13:25:03,775 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [183312905] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:25:03,775 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1867143990] [2024-10-13 13:25:03,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:25:03,775 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:25:03,776 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:25:03,777 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:25:03,779 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-13 13:25:03,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:03,817 INFO L255 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-13 13:25:03,818 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:25:03,896 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 13:25:03,896 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:25:03,997 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 13:25:03,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1867143990] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:25:03,998 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 13:25:03,998 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 18 [2024-10-13 13:25:03,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873168800] [2024-10-13 13:25:03,998 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 13:25:03,998 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-10-13 13:25:03,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:25:03,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-10-13 13:25:03,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=258, Unknown=0, NotChecked=0, Total=342 [2024-10-13 13:25:03,999 INFO L87 Difference]: Start difference. First operand 40 states and 46 transitions. Second operand has 19 states, 18 states have (on average 2.1666666666666665) internal successors, (39), 19 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 13:25:04,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:25:04,269 INFO L93 Difference]: Finished difference Result 69 states and 80 transitions. [2024-10-13 13:25:04,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-13 13:25:04,269 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 2.1666666666666665) internal successors, (39), 19 states have internal predecessors, (39), 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 [2024-10-13 13:25:04,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:25:04,270 INFO L225 Difference]: With dead ends: 69 [2024-10-13 13:25:04,270 INFO L226 Difference]: Without dead ends: 68 [2024-10-13 13:25:04,271 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 164 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=259, Invalid=733, Unknown=0, NotChecked=0, Total=992 [2024-10-13 13:25:04,272 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 86 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 13:25:04,272 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 98 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 13:25:04,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2024-10-13 13:25:04,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 62. [2024-10-13 13:25:04,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 55 states have (on average 1.1636363636363636) internal successors, (64), 55 states have internal predecessors, (64), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-13 13:25:04,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 70 transitions. [2024-10-13 13:25:04,287 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 70 transitions. Word has length 14 [2024-10-13 13:25:04,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:25:04,288 INFO L471 AbstractCegarLoop]: Abstraction has 62 states and 70 transitions. [2024-10-13 13:25:04,288 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 2.1666666666666665) internal successors, (39), 19 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 13:25:04,288 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 70 transitions. [2024-10-13 13:25:04,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-10-13 13:25:04,289 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:25:04,289 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:25:04,306 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-10-13 13:25:04,490 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:25:04,490 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-13 13:25:04,491 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:25:04,491 INFO L85 PathProgramCache]: Analyzing trace with hash -1427000159, now seen corresponding path program 1 times [2024-10-13 13:25:04,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:25:04,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [498987863] [2024-10-13 13:25:04,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:25:04,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:25:04,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:04,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-13 13:25:04,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:04,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-13 13:25:04,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:04,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-13 13:25:04,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:04,741 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-13 13:25:04,741 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:25:04,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [498987863] [2024-10-13 13:25:04,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [498987863] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:25:04,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1079917541] [2024-10-13 13:25:04,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:25:04,742 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:25:04,742 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:25:04,744 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:25:04,750 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-13 13:25:04,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:04,793 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-13 13:25:04,795 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:25:04,999 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 13:25:05,000 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:25:05,231 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-13 13:25:05,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1079917541] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:25:05,232 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 13:25:05,232 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 10, 10] total 30 [2024-10-13 13:25:05,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211256566] [2024-10-13 13:25:05,232 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 13:25:05,233 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2024-10-13 13:25:05,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:25:05,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2024-10-13 13:25:05,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=229, Invalid=701, Unknown=0, NotChecked=0, Total=930 [2024-10-13 13:25:05,237 INFO L87 Difference]: Start difference. First operand 62 states and 70 transitions. Second operand has 31 states, 30 states have (on average 3.0) internal successors, (90), 31 states have internal predecessors, (90), 9 states have call successors, (9), 4 states have call predecessors, (9), 4 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-10-13 13:25:05,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:25:05,839 INFO L93 Difference]: Finished difference Result 215 states and 244 transitions. [2024-10-13 13:25:05,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-10-13 13:25:05,840 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 30 states have (on average 3.0) internal successors, (90), 31 states have internal predecessors, (90), 9 states have call successors, (9), 4 states have call predecessors, (9), 4 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Word has length 42 [2024-10-13 13:25:05,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:25:05,842 INFO L225 Difference]: With dead ends: 215 [2024-10-13 13:25:05,842 INFO L226 Difference]: Without dead ends: 214 [2024-10-13 13:25:05,843 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 631 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=896, Invalid=2296, Unknown=0, NotChecked=0, Total=3192 [2024-10-13 13:25:05,844 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 147 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 223 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 200 SdHoareTripleChecker+Invalid, 234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 223 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 13:25:05,844 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 200 Invalid, 234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 223 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 13:25:05,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2024-10-13 13:25:05,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 161. [2024-10-13 13:25:05,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 136 states have (on average 1.1323529411764706) internal successors, (154), 136 states have internal predecessors, (154), 12 states have call successors, (12), 12 states have call predecessors, (12), 12 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-10-13 13:25:05,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 178 transitions. [2024-10-13 13:25:05,861 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 178 transitions. Word has length 42 [2024-10-13 13:25:05,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:25:05,862 INFO L471 AbstractCegarLoop]: Abstraction has 161 states and 178 transitions. [2024-10-13 13:25:05,862 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 30 states have (on average 3.0) internal successors, (90), 31 states have internal predecessors, (90), 9 states have call successors, (9), 4 states have call predecessors, (9), 4 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-10-13 13:25:05,862 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 178 transitions. [2024-10-13 13:25:05,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-10-13 13:25:05,864 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:25:05,864 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1] [2024-10-13 13:25:05,881 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-13 13:25:06,064 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:25:06,065 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-13 13:25:06,065 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:25:06,065 INFO L85 PathProgramCache]: Analyzing trace with hash 1065299529, now seen corresponding path program 1 times [2024-10-13 13:25:06,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:25:06,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1564780512] [2024-10-13 13:25:06,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:25:06,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:25:06,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:06,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 13:25:06,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:06,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 13:25:06,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:06,245 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-10-13 13:25:06,245 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:25:06,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1564780512] [2024-10-13 13:25:06,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1564780512] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:25:06,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1229820518] [2024-10-13 13:25:06,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:25:06,246 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:25:06,246 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:25:06,247 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:25:06,249 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-13 13:25:06,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:06,298 INFO L255 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-10-13 13:25:06,299 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:25:06,348 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-10-13 13:25:06,348 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:25:06,514 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-10-13 13:25:06,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1229820518] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:25:06,515 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 13:25:06,515 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 11, 12] total 25 [2024-10-13 13:25:06,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1023007933] [2024-10-13 13:25:06,515 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 13:25:06,517 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-10-13 13:25:06,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:25:06,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-10-13 13:25:06,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=177, Invalid=423, Unknown=0, NotChecked=0, Total=600 [2024-10-13 13:25:06,520 INFO L87 Difference]: Start difference. First operand 161 states and 178 transitions. Second operand has 25 states, 25 states have (on average 2.72) internal successors, (68), 25 states have internal predecessors, (68), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-13 13:25:06,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:25:06,856 INFO L93 Difference]: Finished difference Result 241 states and 272 transitions. [2024-10-13 13:25:06,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-10-13 13:25:06,857 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 2.72) internal successors, (68), 25 states have internal predecessors, (68), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 50 [2024-10-13 13:25:06,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:25:06,859 INFO L225 Difference]: With dead ends: 241 [2024-10-13 13:25:06,859 INFO L226 Difference]: Without dead ends: 215 [2024-10-13 13:25:06,860 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 429 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=576, Invalid=1230, Unknown=0, NotChecked=0, Total=1806 [2024-10-13 13:25:06,860 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 92 mSDsluCounter, 134 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 13:25:06,861 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 149 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 13:25:06,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2024-10-13 13:25:06,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 191. [2024-10-13 13:25:06,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191 states, 166 states have (on average 1.144578313253012) internal successors, (190), 166 states have internal predecessors, (190), 12 states have call successors, (12), 12 states have call predecessors, (12), 12 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-10-13 13:25:06,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 214 transitions. [2024-10-13 13:25:06,910 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 214 transitions. Word has length 50 [2024-10-13 13:25:06,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:25:06,910 INFO L471 AbstractCegarLoop]: Abstraction has 191 states and 214 transitions. [2024-10-13 13:25:06,911 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 2.72) internal successors, (68), 25 states have internal predecessors, (68), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-13 13:25:06,911 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 214 transitions. [2024-10-13 13:25:06,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-10-13 13:25:06,913 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:25:06,913 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 10, 10, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1] [2024-10-13 13:25:06,932 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-10-13 13:25:07,119 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:25:07,120 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-13 13:25:07,120 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:25:07,120 INFO L85 PathProgramCache]: Analyzing trace with hash -1544387511, now seen corresponding path program 2 times [2024-10-13 13:25:07,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:25:07,120 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102987755] [2024-10-13 13:25:07,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:25:07,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:25:07,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:07,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-13 13:25:07,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:07,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-13 13:25:07,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:07,659 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 0 proven. 265 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-10-13 13:25:07,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:25:07,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1102987755] [2024-10-13 13:25:07,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1102987755] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:25:07,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1858008297] [2024-10-13 13:25:07,659 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-13 13:25:07,660 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:25:07,660 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:25:07,662 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:25:07,663 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-13 13:25:07,726 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-13 13:25:07,726 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-13 13:25:07,728 INFO L255 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-10-13 13:25:07,730 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:25:07,832 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 0 proven. 265 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-10-13 13:25:07,832 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:25:08,393 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 0 proven. 265 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-10-13 13:25:08,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1858008297] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:25:08,394 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 13:25:08,394 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 23, 24] total 49 [2024-10-13 13:25:08,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1124539319] [2024-10-13 13:25:08,394 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 13:25:08,395 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2024-10-13 13:25:08,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:25:08,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2024-10-13 13:25:08,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=645, Invalid=1707, Unknown=0, NotChecked=0, Total=2352 [2024-10-13 13:25:08,397 INFO L87 Difference]: Start difference. First operand 191 states and 214 transitions. Second operand has 49 states, 49 states have (on average 2.6122448979591835) internal successors, (128), 49 states have internal predecessors, (128), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-13 13:25:09,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:25:09,484 INFO L93 Difference]: Finished difference Result 337 states and 386 transitions. [2024-10-13 13:25:09,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2024-10-13 13:25:09,485 INFO L78 Accepts]: Start accepts. Automaton has has 49 states, 49 states have (on average 2.6122448979591835) internal successors, (128), 49 states have internal predecessors, (128), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 80 [2024-10-13 13:25:09,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:25:09,486 INFO L225 Difference]: With dead ends: 337 [2024-10-13 13:25:09,487 INFO L226 Difference]: Without dead ends: 311 [2024-10-13 13:25:09,489 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 228 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1947 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=2580, Invalid=5610, Unknown=0, NotChecked=0, Total=8190 [2024-10-13 13:25:09,490 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 405 mSDsluCounter, 135 mSDsCounter, 0 mSdLazyCounter, 201 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 405 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 201 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 13:25:09,490 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [405 Valid, 150 Invalid, 203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 201 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 13:25:09,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2024-10-13 13:25:09,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 251. [2024-10-13 13:25:09,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 251 states, 226 states have (on average 1.1592920353982301) internal successors, (262), 226 states have internal predecessors, (262), 12 states have call successors, (12), 12 states have call predecessors, (12), 12 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-10-13 13:25:09,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 286 transitions. [2024-10-13 13:25:09,504 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 286 transitions. Word has length 80 [2024-10-13 13:25:09,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:25:09,505 INFO L471 AbstractCegarLoop]: Abstraction has 251 states and 286 transitions. [2024-10-13 13:25:09,506 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 49 states have (on average 2.6122448979591835) internal successors, (128), 49 states have internal predecessors, (128), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-13 13:25:09,507 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 286 transitions. [2024-10-13 13:25:09,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-10-13 13:25:09,513 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:25:09,513 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 2, 2, 2, 2, 1, 1, 1, 1] [2024-10-13 13:25:09,530 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-10-13 13:25:09,714 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,SelfDestructingSolverStorable10 [2024-10-13 13:25:09,714 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-13 13:25:09,715 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:25:09,715 INFO L85 PathProgramCache]: Analyzing trace with hash 593678544, now seen corresponding path program 1 times [2024-10-13 13:25:09,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:25:09,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285974611] [2024-10-13 13:25:09,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:25:09,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:25:09,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:10,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-13 13:25:10,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:10,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 13:25:10,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:10,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-13 13:25:10,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:10,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-13 13:25:10,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:10,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-13 13:25:10,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:10,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-13 13:25:10,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:10,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-13 13:25:10,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:10,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-13 13:25:10,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:10,284 INFO L134 CoverageAnalysis]: Checked inductivity of 337 backedges. 0 proven. 225 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-10-13 13:25:10,285 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:25:10,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1285974611] [2024-10-13 13:25:10,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1285974611] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:25:10,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1914275214] [2024-10-13 13:25:10,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:25:10,285 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:25:10,285 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:25:10,287 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:25:10,288 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-13 13:25:10,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:10,363 INFO L255 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-10-13 13:25:10,366 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:25:10,945 INFO L134 CoverageAnalysis]: Checked inductivity of 337 backedges. 3 proven. 334 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 13:25:10,945 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:25:11,601 INFO L134 CoverageAnalysis]: Checked inductivity of 337 backedges. 3 proven. 222 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-10-13 13:25:11,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1914275214] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:25:11,601 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 13:25:11,601 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 22, 22] total 66 [2024-10-13 13:25:11,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2062909501] [2024-10-13 13:25:11,602 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 13:25:11,602 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 67 states [2024-10-13 13:25:11,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:25:11,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2024-10-13 13:25:11,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1012, Invalid=3410, Unknown=0, NotChecked=0, Total=4422 [2024-10-13 13:25:11,605 INFO L87 Difference]: Start difference. First operand 251 states and 286 transitions. Second operand has 67 states, 66 states have (on average 3.1818181818181817) internal successors, (210), 67 states have internal predecessors, (210), 24 states have call successors, (24), 9 states have call predecessors, (24), 9 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-10-13 13:25:13,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:25:13,131 INFO L93 Difference]: Finished difference Result 635 states and 722 transitions. [2024-10-13 13:25:13,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2024-10-13 13:25:13,131 INFO L78 Accepts]: Start accepts. Automaton has has 67 states, 66 states have (on average 3.1818181818181817) internal successors, (210), 67 states have internal predecessors, (210), 24 states have call successors, (24), 9 states have call predecessors, (24), 9 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) Word has length 102 [2024-10-13 13:25:13,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:25:13,135 INFO L225 Difference]: With dead ends: 635 [2024-10-13 13:25:13,135 INFO L226 Difference]: Without dead ends: 634 [2024-10-13 13:25:13,139 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 302 GetRequests, 176 SyntacticMatches, 0 SemanticMatches, 126 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3740 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=4499, Invalid=11757, Unknown=0, NotChecked=0, Total=16256 [2024-10-13 13:25:13,139 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 459 mSDsluCounter, 262 mSDsCounter, 0 mSdLazyCounter, 363 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 459 SdHoareTripleChecker+Valid, 273 SdHoareTripleChecker+Invalid, 390 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 363 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 13:25:13,140 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [459 Valid, 273 Invalid, 390 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 363 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 13:25:13,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 634 states. [2024-10-13 13:25:13,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 634 to 416. [2024-10-13 13:25:13,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 416 states, 361 states have (on average 1.1412742382271468) internal successors, (412), 361 states have internal predecessors, (412), 27 states have call successors, (27), 27 states have call predecessors, (27), 27 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-10-13 13:25:13,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 416 states and 466 transitions. [2024-10-13 13:25:13,166 INFO L78 Accepts]: Start accepts. Automaton has 416 states and 466 transitions. Word has length 102 [2024-10-13 13:25:13,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:25:13,166 INFO L471 AbstractCegarLoop]: Abstraction has 416 states and 466 transitions. [2024-10-13 13:25:13,167 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 67 states, 66 states have (on average 3.1818181818181817) internal successors, (210), 67 states have internal predecessors, (210), 24 states have call successors, (24), 9 states have call predecessors, (24), 9 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-10-13 13:25:13,167 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 466 transitions. [2024-10-13 13:25:13,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2024-10-13 13:25:13,169 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:25:13,169 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 18, 18, 18, 18, 18, 18, 18, 18, 18, 3, 3, 3, 3, 2, 1, 1, 1] [2024-10-13 13:25:13,185 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-10-13 13:25:13,370 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:25:13,370 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-13 13:25:13,370 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:25:13,370 INFO L85 PathProgramCache]: Analyzing trace with hash 1355164160, now seen corresponding path program 2 times [2024-10-13 13:25:13,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:25:13,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653966238] [2024-10-13 13:25:13,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:25:13,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:25:13,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:15,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 13:25:15,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:15,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-13 13:25:15,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:15,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-13 13:25:15,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:15,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-13 13:25:15,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:15,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-13 13:25:15,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:15,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-13 13:25:15,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:15,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 13:25:15,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:15,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-13 13:25:15,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:15,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-13 13:25:15,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:15,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-13 13:25:15,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:15,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-13 13:25:15,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:15,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-13 13:25:15,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:15,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-13 13:25:15,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:15,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-13 13:25:15,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:15,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-13 13:25:15,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:15,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-13 13:25:15,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:15,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-10-13 13:25:15,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:15,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-10-13 13:25:15,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:15,226 INFO L134 CoverageAnalysis]: Checked inductivity of 1752 backedges. 0 proven. 1140 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-10-13 13:25:15,227 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:25:15,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [653966238] [2024-10-13 13:25:15,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [653966238] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:25:15,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [267814026] [2024-10-13 13:25:15,227 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-13 13:25:15,227 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:25:15,227 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:25:15,229 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:25:15,231 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-10-13 13:25:15,342 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-13 13:25:15,342 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-13 13:25:15,350 INFO L255 TraceCheckSpWp]: Trace formula consists of 455 conjuncts, 45 conjuncts are in the unsatisfiable core [2024-10-13 13:25:15,359 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:25:15,673 INFO L134 CoverageAnalysis]: Checked inductivity of 1752 backedges. 0 proven. 1752 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 13:25:15,673 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:25:17,203 INFO L134 CoverageAnalysis]: Checked inductivity of 1752 backedges. 0 proven. 1140 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-10-13 13:25:17,203 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [267814026] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:25:17,204 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 13:25:17,204 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [46, 44, 45] total 92 [2024-10-13 13:25:17,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063520661] [2024-10-13 13:25:17,204 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 13:25:17,205 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 93 states [2024-10-13 13:25:17,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:25:17,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 93 interpolants. [2024-10-13 13:25:17,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1947, Invalid=6609, Unknown=0, NotChecked=0, Total=8556 [2024-10-13 13:25:17,209 INFO L87 Difference]: Start difference. First operand 416 states and 466 transitions. Second operand has 93 states, 92 states have (on average 3.4347826086956523) internal successors, (316), 93 states have internal predecessors, (316), 36 states have call successors, (54), 19 states have call predecessors, (54), 19 states have return successors, (54), 36 states have call predecessors, (54), 36 states have call successors, (54) [2024-10-13 13:25:19,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:25:19,985 INFO L93 Difference]: Finished difference Result 1216 states and 1356 transitions. [2024-10-13 13:25:19,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2024-10-13 13:25:19,986 INFO L78 Accepts]: Start accepts. Automaton has has 93 states, 92 states have (on average 3.4347826086956523) internal successors, (316), 93 states have internal predecessors, (316), 36 states have call successors, (54), 19 states have call predecessors, (54), 19 states have return successors, (54), 36 states have call predecessors, (54), 36 states have call successors, (54) Word has length 217 [2024-10-13 13:25:19,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:25:19,993 INFO L225 Difference]: With dead ends: 1216 [2024-10-13 13:25:19,994 INFO L226 Difference]: Without dead ends: 1215 [2024-10-13 13:25:20,001 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 604 GetRequests, 422 SyntacticMatches, 0 SemanticMatches, 182 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9135 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=9067, Invalid=24605, Unknown=0, NotChecked=0, Total=33672 [2024-10-13 13:25:20,001 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 867 mSDsluCounter, 376 mSDsCounter, 0 mSdLazyCounter, 493 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 867 SdHoareTripleChecker+Valid, 388 SdHoareTripleChecker+Invalid, 548 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 493 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-13 13:25:20,003 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [867 Valid, 388 Invalid, 548 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 493 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-13 13:25:20,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1215 states. [2024-10-13 13:25:20,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1215 to 537. [2024-10-13 13:25:20,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 537 states, 460 states have (on average 1.1347826086956523) internal successors, (522), 460 states have internal predecessors, (522), 38 states have call successors, (38), 38 states have call predecessors, (38), 38 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-10-13 13:25:20,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 537 states and 598 transitions. [2024-10-13 13:25:20,050 INFO L78 Accepts]: Start accepts. Automaton has 537 states and 598 transitions. Word has length 217 [2024-10-13 13:25:20,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:25:20,051 INFO L471 AbstractCegarLoop]: Abstraction has 537 states and 598 transitions. [2024-10-13 13:25:20,052 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 93 states, 92 states have (on average 3.4347826086956523) internal successors, (316), 93 states have internal predecessors, (316), 36 states have call successors, (54), 19 states have call predecessors, (54), 19 states have return successors, (54), 36 states have call predecessors, (54), 36 states have call successors, (54) [2024-10-13 13:25:20,052 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 598 transitions. [2024-10-13 13:25:20,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2024-10-13 13:25:20,056 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:25:20,056 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 19, 19, 19, 19, 19, 4, 4, 4, 4, 3, 1, 1, 1] [2024-10-13 13:25:20,071 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-10-13 13:25:20,256 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,SelfDestructingSolverStorable12 [2024-10-13 13:25:20,257 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-13 13:25:20,257 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:25:20,257 INFO L85 PathProgramCache]: Analyzing trace with hash -1061934607, now seen corresponding path program 3 times [2024-10-13 13:25:20,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:25:20,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1994070527] [2024-10-13 13:25:20,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:25:20,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:25:20,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:21,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-13 13:25:21,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:21,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-13 13:25:22,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:22,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-13 13:25:22,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:22,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-13 13:25:22,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:22,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-13 13:25:22,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:22,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 13:25:22,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:22,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 13:25:22,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:22,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 13:25:22,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:22,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 13:25:22,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:22,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 13:25:22,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:22,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 13:25:22,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:22,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-13 13:25:22,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:22,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 13:25:22,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:22,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-13 13:25:22,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:22,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-13 13:25:22,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:22,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-13 13:25:22,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:22,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-13 13:25:22,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:22,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-10-13 13:25:22,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:22,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-10-13 13:25:22,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:22,049 INFO L134 CoverageAnalysis]: Checked inductivity of 1968 backedges. 0 proven. 1284 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-10-13 13:25:22,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:25:22,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1994070527] [2024-10-13 13:25:22,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1994070527] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:25:22,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2063339998] [2024-10-13 13:25:22,050 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-13 13:25:22,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:25:22,051 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:25:22,052 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:25:22,054 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-10-13 13:25:22,114 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-10-13 13:25:22,115 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-13 13:25:22,116 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-13 13:25:22,118 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:25:22,234 INFO L134 CoverageAnalysis]: Checked inductivity of 1968 backedges. 201 proven. 0 refuted. 0 times theorem prover too weak. 1767 trivial. 0 not checked. [2024-10-13 13:25:22,234 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 13:25:22,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2063339998] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:25:22,235 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:25:22,235 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [50] total 53 [2024-10-13 13:25:22,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1592218343] [2024-10-13 13:25:22,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:25:22,237 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 13:25:22,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:25:22,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 13:25:22,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=649, Invalid=2213, Unknown=0, NotChecked=0, Total=2862 [2024-10-13 13:25:22,238 INFO L87 Difference]: Start difference. First operand 537 states and 598 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, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-13 13:25:22,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:25:22,336 INFO L93 Difference]: Finished difference Result 545 states and 606 transitions. [2024-10-13 13:25:22,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 13:25:22,337 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, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 233 [2024-10-13 13:25:22,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:25:22,338 INFO L225 Difference]: With dead ends: 545 [2024-10-13 13:25:22,338 INFO L226 Difference]: Without dead ends: 0 [2024-10-13 13:25:22,342 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 321 GetRequests, 267 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 719 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=659, Invalid=2421, Unknown=0, NotChecked=0, Total=3080 [2024-10-13 13:25:22,343 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 7 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 13:25:22,343 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 45 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 13:25:22,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-10-13 13:25:22,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-10-13 13:25:22,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 13:25:22,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-10-13 13:25:22,344 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 233 [2024-10-13 13:25:22,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:25:22,344 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-13 13:25:22,344 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, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-13 13:25:22,344 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-10-13 13:25:22,345 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-10-13 13:25:22,348 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2024-10-13 13:25:22,348 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2024-10-13 13:25:22,348 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2024-10-13 13:25:22,348 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2024-10-13 13:25:22,360 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-10-13 13:25:22,549 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,SelfDestructingSolverStorable13 [2024-10-13 13:25:22,552 INFO L407 BasicCegarLoop]: Path program histogram: [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:25:22,553 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-10-13 13:25:30,375 WARN L286 SmtUtils]: Spent 7.77s on a formula simplification. DAG size of input: 400 DAG size of output: 118 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-10-13 13:25:31,594 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-13 13:25:31,613 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 01:25:31 BoogieIcfgContainer [2024-10-13 13:25:31,614 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-13 13:25:31,615 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-13 13:25:31,616 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-13 13:25:31,616 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-13 13:25:31,617 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:25:00" (3/4) ... [2024-10-13 13:25:31,619 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-13 13:25:31,622 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-10-13 13:25:31,625 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-10-13 13:25:31,626 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-10-13 13:25:31,626 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-13 13:25:31,627 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-13 13:25:31,712 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-13 13:25:31,713 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-13 13:25:31,713 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-13 13:25:31,713 INFO L158 Benchmark]: Toolchain (without parser) took 31822.67ms. Allocated memory was 159.4MB in the beginning and 847.2MB in the end (delta: 687.9MB). Free memory was 128.4MB in the beginning and 673.1MB in the end (delta: -544.7MB). Peak memory consumption was 143.3MB. Max. memory is 16.1GB. [2024-10-13 13:25:31,715 INFO L158 Benchmark]: CDTParser took 0.89ms. Allocated memory is still 109.1MB. Free memory is still 79.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 13:25:31,715 INFO L158 Benchmark]: CACSL2BoogieTranslator took 257.42ms. Allocated memory is still 159.4MB. Free memory was 128.4MB in the beginning and 116.0MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-13 13:25:31,715 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.15ms. Allocated memory is still 159.4MB. Free memory was 116.0MB in the beginning and 113.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-13 13:25:31,718 INFO L158 Benchmark]: Boogie Preprocessor took 30.74ms. Allocated memory is still 159.4MB. Free memory was 113.9MB in the beginning and 112.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 13:25:31,718 INFO L158 Benchmark]: RCFGBuilder took 444.25ms. Allocated memory is still 159.4MB. Free memory was 112.8MB in the beginning and 124.7MB in the end (delta: -11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-13 13:25:31,719 INFO L158 Benchmark]: TraceAbstraction took 30956.98ms. Allocated memory was 159.4MB in the beginning and 847.2MB in the end (delta: 687.9MB). Free memory was 124.7MB in the beginning and 678.4MB in the end (delta: -553.7MB). Peak memory consumption was 424.7MB. Max. memory is 16.1GB. [2024-10-13 13:25:31,719 INFO L158 Benchmark]: Witness Printer took 97.66ms. Allocated memory is still 847.2MB. Free memory was 678.4MB in the beginning and 673.1MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-13 13:25:31,720 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.89ms. Allocated memory is still 109.1MB. Free memory is still 79.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 257.42ms. Allocated memory is still 159.4MB. Free memory was 128.4MB in the beginning and 116.0MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.15ms. Allocated memory is still 159.4MB. Free memory was 116.0MB in the beginning and 113.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.74ms. Allocated memory is still 159.4MB. Free memory was 113.9MB in the beginning and 112.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 444.25ms. Allocated memory is still 159.4MB. Free memory was 112.8MB in the beginning and 124.7MB in the end (delta: -11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 30956.98ms. Allocated memory was 159.4MB in the beginning and 847.2MB in the end (delta: 687.9MB). Free memory was 124.7MB in the beginning and 678.4MB in the end (delta: -553.7MB). Peak memory consumption was 424.7MB. Max. memory is 16.1GB. * Witness Printer took 97.66ms. Allocated memory is still 847.2MB. Free memory was 678.4MB in the beginning and 673.1MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 26 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 21.8s, OverallIterations: 14, TraceHistogramMax: 20, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 7.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2181 SdHoareTripleChecker+Valid, 1.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2181 mSDsluCounter, 1735 SdHoareTripleChecker+Invalid, 1.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1534 mSDsCounter, 123 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1754 IncrementalHoareTripleChecker+Invalid, 1877 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 123 mSolverCounterUnsat, 201 mSDtfsCounter, 1754 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1860 GetRequests, 1216 SyntacticMatches, 0 SemanticMatches, 644 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16917 ImplicationChecksByTransitivity, 10.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=537occurred in iteration=13, InterpolantAutomatonStates: 455, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 14 MinimizatonAttempts, 1084 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 10.8s InterpolantComputationTime, 1580 NumberOfCodeBlocks, 1372 NumberOfCodeBlocksAsserted, 28 NumberOfCheckSat, 2065 ConstructedInterpolants, 0 QuantifiedInterpolants, 4879 SizeOfPredicates, 113 NumberOfNonLiveVariables, 1385 ConjunctsInSsa, 140 ConjunctsInUnsatCore, 32 InterpolantComputations, 7 PerfectInterpolantSequences, 4249/11411 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 34]: Loop Invariant Derived loop invariant: ((0 <= ((long long) counter + 2147483647)) && (counter <= 100)) - InvariantResult [Line: 38]: Loop Invariant Derived loop invariant: ((0 <= ((long long) counter + 2147483647)) && (counter <= 2147483629)) RESULT: Ultimate proved your program to be correct! [2024-10-13 13:25:31,753 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE