./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/ps2-ll_unwindbound10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4a390ef5 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/ps2-ll_unwindbound10.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 111e613944cc7c4f40e73d8912198083d9e385bb8d4d44cecdc5062eedc235a0 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 20:30:08,716 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 20:30:08,776 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-24 20:30:08,784 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 20:30:08,785 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 20:30:08,806 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 20:30:08,808 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 20:30:08,808 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 20:30:08,809 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 20:30:08,811 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 20:30:08,812 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 20:30:08,812 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 20:30:08,812 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 20:30:08,812 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 20:30:08,813 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 20:30:08,813 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 20:30:08,813 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 20:30:08,813 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 20:30:08,813 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 20:30:08,813 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 20:30:08,814 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 20:30:08,815 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 20:30:08,815 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 20:30:08,816 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 20:30:08,816 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 20:30:08,816 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-24 20:30:08,816 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-24 20:30:08,816 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 20:30:08,816 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 20:30:08,817 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 20:30:08,817 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 20:30:08,817 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 20:30:08,817 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 20:30:08,817 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 20:30:08,818 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 20:30:08,818 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 20:30:08,818 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 20:30:08,818 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 20:30:08,818 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 20:30:08,819 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 20:30:08,819 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 20:30:08,819 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 20:30:08,819 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 20:30:08,819 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 20:30:08,820 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 111e613944cc7c4f40e73d8912198083d9e385bb8d4d44cecdc5062eedc235a0 [2024-10-24 20:30:09,039 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 20:30:09,065 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 20:30:09,068 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 20:30:09,069 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 20:30:09,069 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 20:30:09,070 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound10.c [2024-10-24 20:30:10,411 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 20:30:10,612 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 20:30:10,612 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound10.c [2024-10-24 20:30:10,621 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/181164f8f/a2dc6825ec7749a2a3ca978ae5e15d5b/FLAG89278b3de [2024-10-24 20:30:10,968 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/181164f8f/a2dc6825ec7749a2a3ca978ae5e15d5b [2024-10-24 20:30:10,970 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 20:30:10,972 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 20:30:10,972 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 20:30:10,973 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 20:30:10,980 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 20:30:10,981 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 08:30:10" (1/1) ... [2024-10-24 20:30:10,982 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73789eac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:30:10, skipping insertion in model container [2024-10-24 20:30:10,983 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 08:30:10" (1/1) ... [2024-10-24 20:30:11,004 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 20:30:11,238 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 20:30:11,256 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 20:30:11,281 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 20:30:11,316 INFO L204 MainTranslator]: Completed translation [2024-10-24 20:30:11,317 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:30:11 WrapperNode [2024-10-24 20:30:11,317 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 20:30:11,321 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 20:30:11,321 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 20:30:11,321 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 20:30:11,330 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:30:11" (1/1) ... [2024-10-24 20:30:11,340 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:30:11" (1/1) ... [2024-10-24 20:30:11,370 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 68 [2024-10-24 20:30:11,372 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 20:30:11,372 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 20:30:11,372 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 20:30:11,373 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 20:30:11,385 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:30:11" (1/1) ... [2024-10-24 20:30:11,386 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:30:11" (1/1) ... [2024-10-24 20:30:11,391 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:30:11" (1/1) ... [2024-10-24 20:30:11,404 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]. [2024-10-24 20:30:11,409 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:30:11" (1/1) ... [2024-10-24 20:30:11,409 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:30:11" (1/1) ... [2024-10-24 20:30:11,411 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:30:11" (1/1) ... [2024-10-24 20:30:11,417 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:30:11" (1/1) ... [2024-10-24 20:30:11,418 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:30:11" (1/1) ... [2024-10-24 20:30:11,419 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:30:11" (1/1) ... [2024-10-24 20:30:11,421 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 20:30:11,422 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 20:30:11,425 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 20:30:11,425 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 20:30:11,426 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:30:11" (1/1) ... [2024-10-24 20:30:11,432 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 20:30:11,442 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:30:11,458 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) [2024-10-24 20:30:11,460 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 [2024-10-24 20:30:11,500 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 20:30:11,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 20:30:11,500 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 20:30:11,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 20:30:11,500 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-24 20:30:11,500 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-24 20:30:11,547 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 20:30:11,549 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 20:30:11,767 INFO L? ?]: Removed 38 outVars from TransFormulas that were not future-live. [2024-10-24 20:30:11,768 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 20:30:11,790 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 20:30:11,791 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-24 20:30:11,792 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 08:30:11 BoogieIcfgContainer [2024-10-24 20:30:11,793 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 20:30:11,794 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 20:30:11,794 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 20:30:11,798 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 20:30:11,798 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 08:30:10" (1/3) ... [2024-10-24 20:30:11,799 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@692854ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 08:30:11, skipping insertion in model container [2024-10-24 20:30:11,799 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:30:11" (2/3) ... [2024-10-24 20:30:11,800 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@692854ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 08:30:11, skipping insertion in model container [2024-10-24 20:30:11,800 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 08:30:11" (3/3) ... [2024-10-24 20:30:11,802 INFO L112 eAbstractionObserver]: Analyzing ICFG ps2-ll_unwindbound10.c [2024-10-24 20:30:11,816 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 20:30:11,816 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 24 error locations. [2024-10-24 20:30:11,873 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 20:30:11,880 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;@77500473, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 20:30:11,880 INFO L334 AbstractCegarLoop]: Starting to check reachability of 24 error locations. [2024-10-24 20:30:11,884 INFO L276 IsEmpty]: Start isEmpty. Operand has 60 states, 32 states have (on average 1.875) internal successors, (60), 56 states have internal predecessors, (60), 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) [2024-10-24 20:30:11,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-10-24 20:30:11,890 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:30:11,890 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1] [2024-10-24 20:30:11,891 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-24 20:30:11,902 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:30:11,904 INFO L85 PathProgramCache]: Analyzing trace with hash 119869, now seen corresponding path program 1 times [2024-10-24 20:30:11,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:30:11,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [556863345] [2024-10-24 20:30:11,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:30:11,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:30:12,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:30:12,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:30:12,058 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:30:12,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [556863345] [2024-10-24 20:30:12,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [556863345] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:30:12,060 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:30:12,060 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 20:30:12,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389410885] [2024-10-24 20:30:12,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:30:12,065 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-24 20:30:12,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:30:12,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-24 20:30:12,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 20:30:12,088 INFO L87 Difference]: Start difference. First operand has 60 states, 32 states have (on average 1.875) internal successors, (60), 56 states have internal predecessors, (60), 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 2 states, 2 states have (on average 1.5) internal successors, (3), 2 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) [2024-10-24 20:30:12,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:30:12,119 INFO L93 Difference]: Finished difference Result 117 states and 129 transitions. [2024-10-24 20:30:12,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-24 20:30:12,122 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 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 [2024-10-24 20:30:12,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:30:12,127 INFO L225 Difference]: With dead ends: 117 [2024-10-24 20:30:12,127 INFO L226 Difference]: Without dead ends: 55 [2024-10-24 20:30:12,130 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 20:30:12,134 INFO L432 NwaCegarLoop]: 58 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 20:30:12,136 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 58 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 20:30:12,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2024-10-24 20:30:12,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2024-10-24 20:30:12,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 31 states have (on average 1.7419354838709677) internal successors, (54), 52 states have internal predecessors, (54), 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) [2024-10-24 20:30:12,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 56 transitions. [2024-10-24 20:30:12,170 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 56 transitions. Word has length 3 [2024-10-24 20:30:12,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:30:12,171 INFO L471 AbstractCegarLoop]: Abstraction has 55 states and 56 transitions. [2024-10-24 20:30:12,171 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 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) [2024-10-24 20:30:12,171 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 56 transitions. [2024-10-24 20:30:12,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-10-24 20:30:12,172 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:30:12,172 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1] [2024-10-24 20:30:12,172 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 20:30:12,172 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-24 20:30:12,174 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:30:12,174 INFO L85 PathProgramCache]: Analyzing trace with hash 118428, now seen corresponding path program 1 times [2024-10-24 20:30:12,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:30:12,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1297461428] [2024-10-24 20:30:12,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:30:12,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:30:12,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:30:12,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:30:12,274 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:30:12,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1297461428] [2024-10-24 20:30:12,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1297461428] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:30:12,274 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:30:12,274 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 20:30:12,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1566880928] [2024-10-24 20:30:12,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:30:12,276 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 20:30:12,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:30:12,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 20:30:12,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 20:30:12,277 INFO L87 Difference]: Start difference. First operand 55 states and 56 transitions. 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) [2024-10-24 20:30:12,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:30:12,325 INFO L93 Difference]: Finished difference Result 76 states and 77 transitions. [2024-10-24 20:30:12,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 20:30:12,325 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 [2024-10-24 20:30:12,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:30:12,326 INFO L225 Difference]: With dead ends: 76 [2024-10-24 20:30:12,326 INFO L226 Difference]: Without dead ends: 59 [2024-10-24 20:30:12,326 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 [2024-10-24 20:30:12,327 INFO L432 NwaCegarLoop]: 51 mSDtfsCounter, 4 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 20:30:12,328 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 151 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 20:30:12,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2024-10-24 20:30:12,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2024-10-24 20:30:12,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 35 states have (on average 1.6571428571428573) internal successors, (58), 56 states have internal predecessors, (58), 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) [2024-10-24 20:30:12,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 60 transitions. [2024-10-24 20:30:12,337 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 60 transitions. Word has length 3 [2024-10-24 20:30:12,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:30:12,337 INFO L471 AbstractCegarLoop]: Abstraction has 59 states and 60 transitions. [2024-10-24 20:30:12,338 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) [2024-10-24 20:30:12,338 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 60 transitions. [2024-10-24 20:30:12,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-10-24 20:30:12,338 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:30:12,339 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:30:12,339 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 20:30:12,339 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-24 20:30:12,339 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:30:12,339 INFO L85 PathProgramCache]: Analyzing trace with hash 1997829763, now seen corresponding path program 1 times [2024-10-24 20:30:12,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:30:12,340 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [74733616] [2024-10-24 20:30:12,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:30:12,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:30:12,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:30:12,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [933891345] [2024-10-24 20:30:12,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:30:12,355 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:30:12,355 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:30:12,357 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) [2024-10-24 20:30:12,358 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-24 20:30:12,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:30:12,392 INFO L255 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-24 20:30:12,398 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:30:12,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:30:12,421 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 20:30:12,422 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:30:12,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [74733616] [2024-10-24 20:30:12,423 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:30:12,423 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [933891345] [2024-10-24 20:30:12,423 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [933891345] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:30:12,423 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:30:12,423 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-24 20:30:12,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676797393] [2024-10-24 20:30:12,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:30:12,425 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 20:30:12,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:30:12,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 20:30:12,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 20:30:12,427 INFO L87 Difference]: Start difference. First operand 59 states and 60 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 20:30:12,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:30:12,483 INFO L93 Difference]: Finished difference Result 91 states and 101 transitions. [2024-10-24 20:30:12,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 20:30:12,483 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-10-24 20:30:12,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:30:12,487 INFO L225 Difference]: With dead ends: 91 [2024-10-24 20:30:12,488 INFO L226 Difference]: Without dead ends: 87 [2024-10-24 20:30:12,488 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 20:30:12,489 INFO L432 NwaCegarLoop]: 34 mSDtfsCounter, 25 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 20:30:12,489 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 60 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 20:30:12,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2024-10-24 20:30:12,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 75. [2024-10-24 20:30:12,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 50 states have (on average 1.64) internal successors, (82), 71 states have internal predecessors, (82), 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) [2024-10-24 20:30:12,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 86 transitions. [2024-10-24 20:30:12,500 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 86 transitions. Word has length 7 [2024-10-24 20:30:12,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:30:12,500 INFO L471 AbstractCegarLoop]: Abstraction has 75 states and 86 transitions. [2024-10-24 20:30:12,501 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 20:30:12,501 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 86 transitions. [2024-10-24 20:30:12,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-10-24 20:30:12,501 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:30:12,501 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:30:12,516 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-24 20:30:12,702 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 [2024-10-24 20:30:12,704 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-24 20:30:12,704 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:30:12,704 INFO L85 PathProgramCache]: Analyzing trace with hash 1803180561, now seen corresponding path program 1 times [2024-10-24 20:30:12,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:30:12,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925423930] [2024-10-24 20:30:12,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:30:12,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:30:12,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:30:12,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:30:12,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:30:12,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [925423930] [2024-10-24 20:30:12,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [925423930] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:30:12,744 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:30:12,744 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-24 20:30:12,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540760962] [2024-10-24 20:30:12,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:30:12,744 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 20:30:12,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:30:12,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 20:30:12,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 20:30:12,745 INFO L87 Difference]: Start difference. First operand 75 states and 86 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 2 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) [2024-10-24 20:30:12,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:30:12,808 INFO L93 Difference]: Finished difference Result 87 states and 101 transitions. [2024-10-24 20:30:12,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 20:30:12,809 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 2 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 [2024-10-24 20:30:12,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:30:12,810 INFO L225 Difference]: With dead ends: 87 [2024-10-24 20:30:12,810 INFO L226 Difference]: Without dead ends: 85 [2024-10-24 20:30:12,810 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 20:30:12,810 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 22 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 20:30:12,811 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 58 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 20:30:12,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2024-10-24 20:30:12,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 76. [2024-10-24 20:30:12,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 51 states have (on average 1.607843137254902) internal successors, (82), 72 states have internal predecessors, (82), 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) [2024-10-24 20:30:12,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 86 transitions. [2024-10-24 20:30:12,821 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 86 transitions. Word has length 8 [2024-10-24 20:30:12,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:30:12,821 INFO L471 AbstractCegarLoop]: Abstraction has 76 states and 86 transitions. [2024-10-24 20:30:12,821 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 2 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) [2024-10-24 20:30:12,821 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 86 transitions. [2024-10-24 20:30:12,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-10-24 20:30:12,822 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:30:12,822 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:30:12,822 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-24 20:30:12,822 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-24 20:30:12,822 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:30:12,822 INFO L85 PathProgramCache]: Analyzing trace with hash 64022597, now seen corresponding path program 1 times [2024-10-24 20:30:12,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:30:12,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [636493390] [2024-10-24 20:30:12,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:30:12,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:30:12,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:30:12,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:30:12,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:30:12,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [636493390] [2024-10-24 20:30:12,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [636493390] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:30:12,875 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:30:12,876 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-24 20:30:12,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078968213] [2024-10-24 20:30:12,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:30:12,876 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 20:30:12,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:30:12,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 20:30:12,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 20:30:12,877 INFO L87 Difference]: Start difference. First operand 76 states and 86 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 2 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) [2024-10-24 20:30:12,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:30:12,977 INFO L93 Difference]: Finished difference Result 91 states and 99 transitions. [2024-10-24 20:30:12,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 20:30:12,978 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 2 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 [2024-10-24 20:30:12,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:30:12,979 INFO L225 Difference]: With dead ends: 91 [2024-10-24 20:30:12,979 INFO L226 Difference]: Without dead ends: 85 [2024-10-24 20:30:12,979 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 20:30:12,980 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 21 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 20:30:12,980 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 64 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 20:30:12,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2024-10-24 20:30:12,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 80. [2024-10-24 20:30:12,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 55 states have (on average 1.5272727272727273) internal successors, (84), 76 states have internal predecessors, (84), 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) [2024-10-24 20:30:12,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 88 transitions. [2024-10-24 20:30:12,985 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 88 transitions. Word has length 9 [2024-10-24 20:30:12,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:30:12,986 INFO L471 AbstractCegarLoop]: Abstraction has 80 states and 88 transitions. [2024-10-24 20:30:12,986 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 2 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) [2024-10-24 20:30:12,986 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 88 transitions. [2024-10-24 20:30:12,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-10-24 20:30:12,986 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:30:12,986 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:30:12,986 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-24 20:30:12,986 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-24 20:30:12,987 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:30:12,987 INFO L85 PathProgramCache]: Analyzing trace with hash 1396175367, now seen corresponding path program 1 times [2024-10-24 20:30:12,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:30:12,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2146262026] [2024-10-24 20:30:12,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:30:12,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:30:12,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:30:13,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:30:13,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:30:13,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2146262026] [2024-10-24 20:30:13,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2146262026] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:30:13,030 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:30:13,030 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 20:30:13,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387524382] [2024-10-24 20:30:13,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:30:13,030 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 20:30:13,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:30:13,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 20:30:13,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 20:30:13,031 INFO L87 Difference]: Start difference. First operand 80 states and 88 transitions. Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 20:30:13,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:30:13,160 INFO L93 Difference]: Finished difference Result 95 states and 104 transitions. [2024-10-24 20:30:13,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 20:30:13,161 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2024-10-24 20:30:13,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:30:13,162 INFO L225 Difference]: With dead ends: 95 [2024-10-24 20:30:13,162 INFO L226 Difference]: Without dead ends: 92 [2024-10-24 20:30:13,162 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 [2024-10-24 20:30:13,163 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 60 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 20:30:13,163 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 62 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 20:30:13,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2024-10-24 20:30:13,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 86. [2024-10-24 20:30:13,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 61 states have (on average 1.4918032786885247) internal successors, (91), 82 states have internal predecessors, (91), 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) [2024-10-24 20:30:13,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 95 transitions. [2024-10-24 20:30:13,172 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 95 transitions. Word has length 11 [2024-10-24 20:30:13,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:30:13,173 INFO L471 AbstractCegarLoop]: Abstraction has 86 states and 95 transitions. [2024-10-24 20:30:13,173 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 20:30:13,173 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 95 transitions. [2024-10-24 20:30:13,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-10-24 20:30:13,173 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:30:13,173 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:30:13,173 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-24 20:30:13,173 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-24 20:30:13,174 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:30:13,174 INFO L85 PathProgramCache]: Analyzing trace with hash 1694733257, now seen corresponding path program 1 times [2024-10-24 20:30:13,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:30:13,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [352271731] [2024-10-24 20:30:13,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:30:13,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:30:13,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:30:13,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:30:13,240 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:30:13,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [352271731] [2024-10-24 20:30:13,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [352271731] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:30:13,240 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:30:13,240 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 20:30:13,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [758244813] [2024-10-24 20:30:13,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:30:13,241 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 20:30:13,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:30:13,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 20:30:13,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-24 20:30:13,242 INFO L87 Difference]: Start difference. First operand 86 states and 95 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 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) [2024-10-24 20:30:13,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:30:13,315 INFO L93 Difference]: Finished difference Result 91 states and 96 transitions. [2024-10-24 20:30:13,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 20:30:13,315 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 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 [2024-10-24 20:30:13,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:30:13,316 INFO L225 Difference]: With dead ends: 91 [2024-10-24 20:30:13,316 INFO L226 Difference]: Without dead ends: 81 [2024-10-24 20:30:13,316 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-24 20:30:13,317 INFO L432 NwaCegarLoop]: 38 mSDtfsCounter, 36 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 20:30:13,317 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 56 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 20:30:13,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2024-10-24 20:30:13,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 79. [2024-10-24 20:30:13,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 54 states have (on average 1.5185185185185186) internal successors, (82), 75 states have internal predecessors, (82), 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) [2024-10-24 20:30:13,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 86 transitions. [2024-10-24 20:30:13,322 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 86 transitions. Word has length 13 [2024-10-24 20:30:13,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:30:13,322 INFO L471 AbstractCegarLoop]: Abstraction has 79 states and 86 transitions. [2024-10-24 20:30:13,322 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 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) [2024-10-24 20:30:13,322 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 86 transitions. [2024-10-24 20:30:13,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-10-24 20:30:13,323 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:30:13,323 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:30:13,323 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-24 20:30:13,323 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-24 20:30:13,323 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:30:13,323 INFO L85 PathProgramCache]: Analyzing trace with hash 1158687737, now seen corresponding path program 1 times [2024-10-24 20:30:13,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:30:13,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935343136] [2024-10-24 20:30:13,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:30:13,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:30:13,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:30:13,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 20:30:13,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:30:13,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:30:13,399 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:30:13,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [935343136] [2024-10-24 20:30:13,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [935343136] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:30:13,399 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:30:13,399 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 20:30:13,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886334216] [2024-10-24 20:30:13,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:30:13,400 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 20:30:13,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:30:13,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 20:30:13,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 20:30:13,401 INFO L87 Difference]: Start difference. First operand 79 states and 86 transitions. Second operand has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 20:30:13,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:30:13,418 INFO L93 Difference]: Finished difference Result 81 states and 86 transitions. [2024-10-24 20:30:13,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 20:30:13,418 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 20 [2024-10-24 20:30:13,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:30:13,419 INFO L225 Difference]: With dead ends: 81 [2024-10-24 20:30:13,419 INFO L226 Difference]: Without dead ends: 79 [2024-10-24 20:30:13,419 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 20:30:13,420 INFO L432 NwaCegarLoop]: 52 mSDtfsCounter, 1 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 20:30:13,420 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 101 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 20:30:13,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2024-10-24 20:30:13,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2024-10-24 20:30:13,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 54 states have (on average 1.4814814814814814) internal successors, (80), 75 states have internal predecessors, (80), 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) [2024-10-24 20:30:13,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 84 transitions. [2024-10-24 20:30:13,432 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 84 transitions. Word has length 20 [2024-10-24 20:30:13,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:30:13,433 INFO L471 AbstractCegarLoop]: Abstraction has 79 states and 84 transitions. [2024-10-24 20:30:13,433 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 20:30:13,433 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 84 transitions. [2024-10-24 20:30:13,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-10-24 20:30:13,434 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:30:13,434 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:30:13,434 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-24 20:30:13,434 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-24 20:30:13,434 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:30:13,434 INFO L85 PathProgramCache]: Analyzing trace with hash -1462148739, now seen corresponding path program 1 times [2024-10-24 20:30:13,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:30:13,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579533161] [2024-10-24 20:30:13,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:30:13,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:30:13,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:30:13,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 20:30:13,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:30:13,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:30:13,531 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:30:13,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [579533161] [2024-10-24 20:30:13,531 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [579533161] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:30:13,532 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:30:13,533 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 20:30:13,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073555165] [2024-10-24 20:30:13,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:30:13,533 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 20:30:13,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:30:13,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 20:30:13,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 20:30:13,534 INFO L87 Difference]: Start difference. First operand 79 states and 84 transitions. Second operand has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 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) [2024-10-24 20:30:13,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:30:13,605 INFO L93 Difference]: Finished difference Result 82 states and 88 transitions. [2024-10-24 20:30:13,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 20:30:13,605 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 24 [2024-10-24 20:30:13,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:30:13,605 INFO L225 Difference]: With dead ends: 82 [2024-10-24 20:30:13,605 INFO L226 Difference]: Without dead ends: 81 [2024-10-24 20:30:13,606 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 20:30:13,606 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 1 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 20:30:13,606 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 77 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 20:30:13,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2024-10-24 20:30:13,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 80. [2024-10-24 20:30:13,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 55 states have (on average 1.4727272727272727) internal successors, (81), 76 states have internal predecessors, (81), 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) [2024-10-24 20:30:13,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 85 transitions. [2024-10-24 20:30:13,610 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 85 transitions. Word has length 24 [2024-10-24 20:30:13,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:30:13,610 INFO L471 AbstractCegarLoop]: Abstraction has 80 states and 85 transitions. [2024-10-24 20:30:13,610 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 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) [2024-10-24 20:30:13,610 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 85 transitions. [2024-10-24 20:30:13,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-10-24 20:30:13,611 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:30:13,611 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:30:13,611 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-24 20:30:13,611 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-24 20:30:13,611 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:30:13,611 INFO L85 PathProgramCache]: Analyzing trace with hash 1918029427, now seen corresponding path program 1 times [2024-10-24 20:30:13,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:30:13,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601480690] [2024-10-24 20:30:13,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:30:13,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:30:13,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:30:13,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 20:30:13,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:30:13,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:30:13,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:30:13,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1601480690] [2024-10-24 20:30:13,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1601480690] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:30:13,659 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:30:13,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 20:30:13,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671229621] [2024-10-24 20:30:13,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:30:13,660 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 20:30:13,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:30:13,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 20:30:13,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-24 20:30:13,660 INFO L87 Difference]: Start difference. First operand 80 states and 85 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (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) [2024-10-24 20:30:13,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:30:13,704 INFO L93 Difference]: Finished difference Result 82 states and 87 transitions. [2024-10-24 20:30:13,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 20:30:13,705 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2024-10-24 20:30:13,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:30:13,705 INFO L225 Difference]: With dead ends: 82 [2024-10-24 20:30:13,705 INFO L226 Difference]: Without dead ends: 81 [2024-10-24 20:30:13,705 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-24 20:30:13,706 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 0 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 20:30:13,706 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 61 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 20:30:13,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2024-10-24 20:30:13,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2024-10-24 20:30:13,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 56 states have (on average 1.4642857142857142) internal successors, (82), 77 states have internal predecessors, (82), 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) [2024-10-24 20:30:13,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 86 transitions. [2024-10-24 20:30:13,709 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 86 transitions. Word has length 25 [2024-10-24 20:30:13,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:30:13,710 INFO L471 AbstractCegarLoop]: Abstraction has 81 states and 86 transitions. [2024-10-24 20:30:13,710 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (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) [2024-10-24 20:30:13,710 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 86 transitions. [2024-10-24 20:30:13,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-10-24 20:30:13,710 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:30:13,710 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:30:13,710 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-24 20:30:13,710 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-24 20:30:13,711 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:30:13,711 INFO L85 PathProgramCache]: Analyzing trace with hash 685310549, now seen corresponding path program 1 times [2024-10-24 20:30:13,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:30:13,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264381530] [2024-10-24 20:30:13,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:30:13,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:30:13,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:30:13,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 20:30:13,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:30:13,784 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:30:13,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:30:13,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [264381530] [2024-10-24 20:30:13,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [264381530] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:30:13,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [746809806] [2024-10-24 20:30:13,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:30:13,787 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:30:13,787 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:30:13,810 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) [2024-10-24 20:30:13,815 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-24 20:30:13,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:30:13,858 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-24 20:30:13,859 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:30:13,943 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:30:13,943 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 20:30:13,943 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [746809806] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:30:13,943 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 20:30:13,943 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2024-10-24 20:30:13,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109393872] [2024-10-24 20:30:13,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:30:13,944 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 20:30:13,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:30:13,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 20:30:13,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-10-24 20:30:13,944 INFO L87 Difference]: Start difference. First operand 81 states and 86 transitions. Second operand has 5 states, 4 states have (on average 6.25) internal successors, (25), 5 states have internal predecessors, (25), 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) [2024-10-24 20:30:13,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:30:13,964 INFO L93 Difference]: Finished difference Result 81 states and 86 transitions. [2024-10-24 20:30:13,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 20:30:13,965 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.25) internal successors, (25), 5 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 27 [2024-10-24 20:30:13,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:30:13,966 INFO L225 Difference]: With dead ends: 81 [2024-10-24 20:30:13,967 INFO L226 Difference]: Without dead ends: 80 [2024-10-24 20:30:13,967 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-10-24 20:30:13,967 INFO L432 NwaCegarLoop]: 48 mSDtfsCounter, 35 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 20:30:13,967 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 96 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 20:30:13,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2024-10-24 20:30:13,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2024-10-24 20:30:13,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 56 states have (on average 1.4464285714285714) internal successors, (81), 76 states have internal predecessors, (81), 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) [2024-10-24 20:30:13,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 85 transitions. [2024-10-24 20:30:13,975 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 85 transitions. Word has length 27 [2024-10-24 20:30:13,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:30:13,975 INFO L471 AbstractCegarLoop]: Abstraction has 80 states and 85 transitions. [2024-10-24 20:30:13,975 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.25) internal successors, (25), 5 states have internal predecessors, (25), 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) [2024-10-24 20:30:13,975 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 85 transitions. [2024-10-24 20:30:13,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-10-24 20:30:13,976 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:30:13,976 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:30:13,991 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-24 20:30:14,182 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-10-24 20:30:14,183 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-24 20:30:14,183 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:30:14,183 INFO L85 PathProgramCache]: Analyzing trace with hash -230209420, now seen corresponding path program 1 times [2024-10-24 20:30:14,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:30:14,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1155041308] [2024-10-24 20:30:14,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:30:14,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:30:14,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:30:14,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 20:30:14,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:30:14,249 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:30:14,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:30:14,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1155041308] [2024-10-24 20:30:14,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1155041308] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:30:14,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1455343196] [2024-10-24 20:30:14,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:30:14,250 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:30:14,250 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:30:14,253 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) [2024-10-24 20:30:14,254 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-24 20:30:14,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:30:14,284 INFO L255 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-24 20:30:14,285 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:30:14,340 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:30:14,340 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 20:30:14,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1455343196] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:30:14,340 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 20:30:14,340 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2024-10-24 20:30:14,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1659269084] [2024-10-24 20:30:14,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:30:14,341 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 20:30:14,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:30:14,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 20:30:14,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-10-24 20:30:14,342 INFO L87 Difference]: Start difference. First operand 80 states and 85 transitions. Second operand has 5 states, 4 states have (on average 6.5) internal successors, (26), 5 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) [2024-10-24 20:30:14,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:30:14,373 INFO L93 Difference]: Finished difference Result 87 states and 88 transitions. [2024-10-24 20:30:14,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 20:30:14,373 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 28 [2024-10-24 20:30:14,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:30:14,374 INFO L225 Difference]: With dead ends: 87 [2024-10-24 20:30:14,374 INFO L226 Difference]: Without dead ends: 86 [2024-10-24 20:30:14,374 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-10-24 20:30:14,374 INFO L432 NwaCegarLoop]: 60 mSDtfsCounter, 30 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 192 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 20:30:14,375 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 192 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 20:30:14,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2024-10-24 20:30:14,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 79. [2024-10-24 20:30:14,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 56 states have (on average 1.4285714285714286) internal successors, (80), 75 states have internal predecessors, (80), 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) [2024-10-24 20:30:14,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 84 transitions. [2024-10-24 20:30:14,379 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 84 transitions. Word has length 28 [2024-10-24 20:30:14,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:30:14,379 INFO L471 AbstractCegarLoop]: Abstraction has 79 states and 84 transitions. [2024-10-24 20:30:14,379 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), 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) [2024-10-24 20:30:14,379 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 84 transitions. [2024-10-24 20:30:14,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-10-24 20:30:14,380 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:30:14,380 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:30:14,396 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-24 20:30:14,580 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:30:14,581 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-24 20:30:14,581 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:30:14,581 INFO L85 PathProgramCache]: Analyzing trace with hash 893986236, now seen corresponding path program 1 times [2024-10-24 20:30:14,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:30:14,582 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1099270661] [2024-10-24 20:30:14,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:30:14,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:30:14,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:30:14,593 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1853916942] [2024-10-24 20:30:14,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:30:14,593 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:30:14,594 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:30:14,597 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) [2024-10-24 20:30:14,602 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-24 20:30:14,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:30:14,638 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-24 20:30:14,639 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:30:14,686 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:30:14,687 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:30:14,776 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:30:14,776 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:30:14,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1099270661] [2024-10-24 20:30:14,776 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:30:14,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1853916942] [2024-10-24 20:30:14,776 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1853916942] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 20:30:14,776 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-24 20:30:14,777 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2024-10-24 20:30:14,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862470868] [2024-10-24 20:30:14,777 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-24 20:30:14,777 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 20:30:14,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:30:14,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 20:30:14,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-24 20:30:14,778 INFO L87 Difference]: Start difference. First operand 79 states and 84 transitions. Second operand has 6 states, 5 states have (on average 11.0) internal successors, (55), 6 states have internal predecessors, (55), 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) [2024-10-24 20:30:14,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:30:14,911 INFO L93 Difference]: Finished difference Result 169 states and 213 transitions. [2024-10-24 20:30:14,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 20:30:14,911 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.0) internal successors, (55), 6 states have internal predecessors, (55), 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) Word has length 31 [2024-10-24 20:30:14,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:30:14,913 INFO L225 Difference]: With dead ends: 169 [2024-10-24 20:30:14,913 INFO L226 Difference]: Without dead ends: 165 [2024-10-24 20:30:14,913 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2024-10-24 20:30:14,913 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 95 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 20:30:14,914 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 119 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 20:30:14,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2024-10-24 20:30:14,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 125. [2024-10-24 20:30:14,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 102 states have (on average 1.4509803921568627) internal successors, (148), 119 states have internal predecessors, (148), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-24 20:30:14,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 156 transitions. [2024-10-24 20:30:14,919 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 156 transitions. Word has length 31 [2024-10-24 20:30:14,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:30:14,919 INFO L471 AbstractCegarLoop]: Abstraction has 125 states and 156 transitions. [2024-10-24 20:30:14,919 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.0) internal successors, (55), 6 states have internal predecessors, (55), 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) [2024-10-24 20:30:14,919 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 156 transitions. [2024-10-24 20:30:14,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-10-24 20:30:14,920 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:30:14,920 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:30:14,933 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-10-24 20:30:15,120 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:30:15,121 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-24 20:30:15,121 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:30:15,122 INFO L85 PathProgramCache]: Analyzing trace with hash 1943769592, now seen corresponding path program 1 times [2024-10-24 20:30:15,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:30:15,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837681494] [2024-10-24 20:30:15,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:30:15,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:30:15,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:30:15,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 20:30:15,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:30:15,172 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:30:15,172 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:30:15,172 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837681494] [2024-10-24 20:30:15,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [837681494] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:30:15,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [620909966] [2024-10-24 20:30:15,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:30:15,173 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:30:15,173 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:30:15,176 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) [2024-10-24 20:30:15,179 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-24 20:30:15,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:30:15,210 INFO L255 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-24 20:30:15,211 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:30:15,310 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:30:15,310 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:30:15,367 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:30:15,367 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [620909966] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 20:30:15,367 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 20:30:15,367 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2024-10-24 20:30:15,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811963468] [2024-10-24 20:30:15,368 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 20:30:15,375 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-24 20:30:15,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:30:15,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-24 20:30:15,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-10-24 20:30:15,376 INFO L87 Difference]: Start difference. First operand 125 states and 156 transitions. Second operand has 10 states, 9 states have (on average 8.555555555555555) internal successors, (77), 10 states have internal predecessors, (77), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-24 20:30:15,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:30:15,461 INFO L93 Difference]: Finished difference Result 125 states and 156 transitions. [2024-10-24 20:30:15,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 20:30:15,461 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 8.555555555555555) internal successors, (77), 10 states have internal predecessors, (77), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 32 [2024-10-24 20:30:15,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:30:15,462 INFO L225 Difference]: With dead ends: 125 [2024-10-24 20:30:15,462 INFO L226 Difference]: Without dead ends: 122 [2024-10-24 20:30:15,463 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2024-10-24 20:30:15,463 INFO L432 NwaCegarLoop]: 25 mSDtfsCounter, 103 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 20:30:15,464 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 65 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 20:30:15,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-10-24 20:30:15,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2024-10-24 20:30:15,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 102 states have (on average 1.3823529411764706) internal successors, (141), 116 states have internal predecessors, (141), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-24 20:30:15,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 149 transitions. [2024-10-24 20:30:15,470 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 149 transitions. Word has length 32 [2024-10-24 20:30:15,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:30:15,470 INFO L471 AbstractCegarLoop]: Abstraction has 122 states and 149 transitions. [2024-10-24 20:30:15,470 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 8.555555555555555) internal successors, (77), 10 states have internal predecessors, (77), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-24 20:30:15,470 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 149 transitions. [2024-10-24 20:30:15,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-10-24 20:30:15,471 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:30:15,471 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:30:15,487 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-24 20:30:15,671 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-10-24 20:30:15,672 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-24 20:30:15,672 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:30:15,672 INFO L85 PathProgramCache]: Analyzing trace with hash 127315262, now seen corresponding path program 1 times [2024-10-24 20:30:15,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:30:15,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [561856266] [2024-10-24 20:30:15,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:30:15,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:30:15,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:30:15,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 20:30:15,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:30:15,761 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:30:15,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:30:15,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [561856266] [2024-10-24 20:30:15,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [561856266] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:30:15,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1587512467] [2024-10-24 20:30:15,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:30:15,762 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:30:15,762 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:30:15,768 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) [2024-10-24 20:30:15,773 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-24 20:30:15,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:30:15,804 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-24 20:30:15,805 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:30:15,921 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:30:15,921 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:30:15,974 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:30:15,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1587512467] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 20:30:15,974 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 20:30:15,974 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2024-10-24 20:30:15,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409786626] [2024-10-24 20:30:15,974 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 20:30:15,974 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-24 20:30:15,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:30:15,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-24 20:30:15,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2024-10-24 20:30:15,975 INFO L87 Difference]: Start difference. First operand 122 states and 149 transitions. Second operand has 10 states, 9 states have (on average 8.777777777777779) internal successors, (79), 10 states have internal predecessors, (79), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-24 20:30:16,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:30:16,101 INFO L93 Difference]: Finished difference Result 145 states and 174 transitions. [2024-10-24 20:30:16,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-24 20:30:16,102 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 8.777777777777779) internal successors, (79), 10 states have internal predecessors, (79), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 33 [2024-10-24 20:30:16,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:30:16,103 INFO L225 Difference]: With dead ends: 145 [2024-10-24 20:30:16,103 INFO L226 Difference]: Without dead ends: 138 [2024-10-24 20:30:16,104 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=75, Unknown=0, NotChecked=0, Total=132 [2024-10-24 20:30:16,105 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 66 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 174 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 20:30:16,106 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 121 Invalid, 190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 174 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 20:30:16,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2024-10-24 20:30:16,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 122. [2024-10-24 20:30:16,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 106 states have (on average 1.2452830188679245) internal successors, (132), 116 states have internal predecessors, (132), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-24 20:30:16,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 140 transitions. [2024-10-24 20:30:16,110 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 140 transitions. Word has length 33 [2024-10-24 20:30:16,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:30:16,111 INFO L471 AbstractCegarLoop]: Abstraction has 122 states and 140 transitions. [2024-10-24 20:30:16,111 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 8.777777777777779) internal successors, (79), 10 states have internal predecessors, (79), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-24 20:30:16,111 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 140 transitions. [2024-10-24 20:30:16,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-10-24 20:30:16,111 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:30:16,111 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:30:16,129 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-10-24 20:30:16,312 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-10-24 20:30:16,312 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-24 20:30:16,313 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:30:16,313 INFO L85 PathProgramCache]: Analyzing trace with hash 2090884288, now seen corresponding path program 1 times [2024-10-24 20:30:16,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:30:16,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2127281403] [2024-10-24 20:30:16,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:30:16,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:30:16,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:30:16,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 20:30:16,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:30:16,373 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:30:16,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:30:16,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2127281403] [2024-10-24 20:30:16,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2127281403] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:30:16,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [526470404] [2024-10-24 20:30:16,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:30:16,374 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:30:16,374 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:30:16,375 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) [2024-10-24 20:30:16,376 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-24 20:30:16,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:30:16,404 INFO L255 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-24 20:30:16,405 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:30:16,503 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:30:16,503 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 20:30:16,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [526470404] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:30:16,503 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 20:30:16,503 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 9 [2024-10-24 20:30:16,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158551685] [2024-10-24 20:30:16,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:30:16,504 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 20:30:16,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:30:16,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 20:30:16,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2024-10-24 20:30:16,504 INFO L87 Difference]: Start difference. First operand 122 states and 140 transitions. Second operand has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 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) [2024-10-24 20:30:16,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:30:16,554 INFO L93 Difference]: Finished difference Result 122 states and 140 transitions. [2024-10-24 20:30:16,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 20:30:16,554 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 35 [2024-10-24 20:30:16,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:30:16,555 INFO L225 Difference]: With dead ends: 122 [2024-10-24 20:30:16,555 INFO L226 Difference]: Without dead ends: 104 [2024-10-24 20:30:16,555 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2024-10-24 20:30:16,555 INFO L432 NwaCegarLoop]: 25 mSDtfsCounter, 36 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 20:30:16,556 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 47 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 20:30:16,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2024-10-24 20:30:16,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2024-10-24 20:30:16,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 92 states have (on average 1.141304347826087) internal successors, (105), 98 states have internal predecessors, (105), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-24 20:30:16,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 113 transitions. [2024-10-24 20:30:16,559 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 113 transitions. Word has length 35 [2024-10-24 20:30:16,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:30:16,560 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 113 transitions. [2024-10-24 20:30:16,560 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 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) [2024-10-24 20:30:16,560 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 113 transitions. [2024-10-24 20:30:16,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-10-24 20:30:16,560 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:30:16,560 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:30:16,572 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-10-24 20:30:16,764 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:30:16,765 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-24 20:30:16,765 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:30:16,765 INFO L85 PathProgramCache]: Analyzing trace with hash 579977568, now seen corresponding path program 1 times [2024-10-24 20:30:16,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:30:16,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450445217] [2024-10-24 20:30:16,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:30:16,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:30:16,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:30:16,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 20:30:16,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:30:16,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-24 20:30:16,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:30:16,808 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-24 20:30:16,808 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:30:16,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [450445217] [2024-10-24 20:30:16,808 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [450445217] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:30:16,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1749188617] [2024-10-24 20:30:16,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:30:16,808 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:30:16,808 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:30:16,812 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) [2024-10-24 20:30:16,813 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-24 20:30:16,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:30:16,848 INFO L255 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-24 20:30:16,848 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:30:16,881 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-24 20:30:16,882 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 20:30:16,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1749188617] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:30:16,882 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 20:30:16,882 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-10-24 20:30:16,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1526100770] [2024-10-24 20:30:16,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:30:16,882 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 20:30:16,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:30:16,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 20:30:16,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 20:30:16,883 INFO L87 Difference]: Start difference. First operand 104 states and 113 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 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) [2024-10-24 20:30:16,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:30:16,895 INFO L93 Difference]: Finished difference Result 104 states and 113 transitions. [2024-10-24 20:30:16,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 20:30:16,895 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 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) Word has length 44 [2024-10-24 20:30:16,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:30:16,896 INFO L225 Difference]: With dead ends: 104 [2024-10-24 20:30:16,896 INFO L226 Difference]: Without dead ends: 103 [2024-10-24 20:30:16,896 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 20:30:16,897 INFO L432 NwaCegarLoop]: 44 mSDtfsCounter, 19 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 20:30:16,897 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 61 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 20:30:16,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2024-10-24 20:30:16,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2024-10-24 20:30:16,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 92 states have (on average 1.108695652173913) internal successors, (102), 97 states have internal predecessors, (102), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-24 20:30:16,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 110 transitions. [2024-10-24 20:30:16,901 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 110 transitions. Word has length 44 [2024-10-24 20:30:16,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:30:16,901 INFO L471 AbstractCegarLoop]: Abstraction has 103 states and 110 transitions. [2024-10-24 20:30:16,901 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 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) [2024-10-24 20:30:16,901 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 110 transitions. [2024-10-24 20:30:16,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-10-24 20:30:16,902 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:30:16,902 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:30:16,914 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-10-24 20:30:17,102 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-10-24 20:30:17,103 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-24 20:30:17,104 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:30:17,105 INFO L85 PathProgramCache]: Analyzing trace with hash 799435496, now seen corresponding path program 1 times [2024-10-24 20:30:17,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:30:17,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090590690] [2024-10-24 20:30:17,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:30:17,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:30:17,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:30:17,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 20:30:17,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:30:17,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-24 20:30:17,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:30:17,150 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-24 20:30:17,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:30:17,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2090590690] [2024-10-24 20:30:17,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2090590690] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:30:17,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [432396937] [2024-10-24 20:30:17,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:30:17,151 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:30:17,151 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:30:17,153 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) [2024-10-24 20:30:17,155 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-24 20:30:17,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:30:17,193 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-24 20:30:17,194 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:30:17,238 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-24 20:30:17,239 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:30:17,289 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-24 20:30:17,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [432396937] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 20:30:17,289 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 20:30:17,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-10-24 20:30:17,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123261184] [2024-10-24 20:30:17,289 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 20:30:17,290 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 20:30:17,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:30:17,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 20:30:17,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-10-24 20:30:17,290 INFO L87 Difference]: Start difference. First operand 103 states and 110 transitions. Second operand has 7 states, 6 states have (on average 14.833333333333334) internal successors, (89), 7 states have internal predecessors, (89), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-10-24 20:30:17,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:30:17,315 INFO L93 Difference]: Finished difference Result 119 states and 125 transitions. [2024-10-24 20:30:17,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 20:30:17,316 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 14.833333333333334) internal successors, (89), 7 states have internal predecessors, (89), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Word has length 45 [2024-10-24 20:30:17,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:30:17,316 INFO L225 Difference]: With dead ends: 119 [2024-10-24 20:30:17,316 INFO L226 Difference]: Without dead ends: 118 [2024-10-24 20:30:17,316 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-10-24 20:30:17,317 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 11 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 20:30:17,317 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 151 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 20:30:17,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2024-10-24 20:30:17,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 113. [2024-10-24 20:30:17,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 101 states have (on average 1.0891089108910892) internal successors, (110), 106 states have internal predecessors, (110), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-10-24 20:30:17,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 120 transitions. [2024-10-24 20:30:17,322 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 120 transitions. Word has length 45 [2024-10-24 20:30:17,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:30:17,322 INFO L471 AbstractCegarLoop]: Abstraction has 113 states and 120 transitions. [2024-10-24 20:30:17,322 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 14.833333333333334) internal successors, (89), 7 states have internal predecessors, (89), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-10-24 20:30:17,322 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 120 transitions. [2024-10-24 20:30:17,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-10-24 20:30:17,323 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:30:17,323 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1] [2024-10-24 20:30:17,335 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-10-24 20:30:17,526 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-10-24 20:30:17,527 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-24 20:30:17,527 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:30:17,527 INFO L85 PathProgramCache]: Analyzing trace with hash 1388648805, now seen corresponding path program 1 times [2024-10-24 20:30:17,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:30:17,527 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [502634097] [2024-10-24 20:30:17,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:30:17,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:30:17,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:30:17,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 20:30:17,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:30:17,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-24 20:30:17,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:30:17,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-24 20:30:17,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:30:17,679 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-24 20:30:17,680 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:30:17,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [502634097] [2024-10-24 20:30:17,680 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [502634097] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:30:17,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [622046784] [2024-10-24 20:30:17,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:30:17,680 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:30:17,680 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:30:17,683 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) [2024-10-24 20:30:17,684 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-10-24 20:30:17,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:30:17,727 INFO L255 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-24 20:30:17,728 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:30:17,991 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-24 20:30:17,992 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:30:18,161 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-24 20:30:18,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [622046784] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 20:30:18,162 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 20:30:18,162 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 19 [2024-10-24 20:30:18,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312460521] [2024-10-24 20:30:18,162 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 20:30:18,163 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-10-24 20:30:18,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:30:18,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-10-24 20:30:18,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=135, Invalid=245, Unknown=0, NotChecked=0, Total=380 [2024-10-24 20:30:18,164 INFO L87 Difference]: Start difference. First operand 113 states and 120 transitions. Second operand has 20 states, 19 states have (on average 9.31578947368421) internal successors, (177), 20 states have internal predecessors, (177), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-10-24 20:30:18,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:30:18,444 INFO L93 Difference]: Finished difference Result 170 states and 189 transitions. [2024-10-24 20:30:18,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-24 20:30:18,445 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 9.31578947368421) internal successors, (177), 20 states have internal predecessors, (177), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Word has length 73 [2024-10-24 20:30:18,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:30:18,446 INFO L225 Difference]: With dead ends: 170 [2024-10-24 20:30:18,446 INFO L226 Difference]: Without dead ends: 169 [2024-10-24 20:30:18,447 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 181 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=235, Invalid=415, Unknown=0, NotChecked=0, Total=650 [2024-10-24 20:30:18,447 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 33 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 228 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 232 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 228 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 20:30:18,447 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 139 Invalid, 232 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 228 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 20:30:18,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2024-10-24 20:30:18,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 157. [2024-10-24 20:30:18,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 143 states have (on average 1.1118881118881119) internal successors, (159), 148 states have internal predecessors, (159), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-10-24 20:30:18,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 173 transitions. [2024-10-24 20:30:18,455 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 173 transitions. Word has length 73 [2024-10-24 20:30:18,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:30:18,456 INFO L471 AbstractCegarLoop]: Abstraction has 157 states and 173 transitions. [2024-10-24 20:30:18,456 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 9.31578947368421) internal successors, (177), 20 states have internal predecessors, (177), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-10-24 20:30:18,456 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 173 transitions. [2024-10-24 20:30:18,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-10-24 20:30:18,458 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:30:18,458 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1] [2024-10-24 20:30:18,474 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-10-24 20:30:18,658 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:30:18,659 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-24 20:30:18,660 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:30:18,660 INFO L85 PathProgramCache]: Analyzing trace with hash 1188030000, now seen corresponding path program 2 times [2024-10-24 20:30:18,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:30:18,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129851164] [2024-10-24 20:30:18,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:30:18,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:30:18,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:30:18,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 20:30:18,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:30:18,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-24 20:30:18,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:30:18,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-24 20:30:18,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:30:18,820 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-24 20:30:18,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:30:18,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2129851164] [2024-10-24 20:30:18,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2129851164] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:30:18,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1861957999] [2024-10-24 20:30:18,824 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-24 20:30:18,825 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:30:18,825 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:30:18,827 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) [2024-10-24 20:30:18,831 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-10-24 20:30:18,869 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-24 20:30:18,869 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-24 20:30:18,870 INFO L255 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-24 20:30:18,871 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:30:19,074 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-24 20:30:19,074 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:30:19,232 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-24 20:30:19,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1861957999] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 20:30:19,232 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 20:30:19,232 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 21 [2024-10-24 20:30:19,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673486205] [2024-10-24 20:30:19,232 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 20:30:19,233 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-10-24 20:30:19,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:30:19,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-10-24 20:30:19,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=154, Invalid=308, Unknown=0, NotChecked=0, Total=462 [2024-10-24 20:30:19,234 INFO L87 Difference]: Start difference. First operand 157 states and 173 transitions. Second operand has 22 states, 21 states have (on average 9.19047619047619) internal successors, (193), 22 states have internal predecessors, (193), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-10-24 20:30:19,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:30:19,481 INFO L93 Difference]: Finished difference Result 185 states and 201 transitions. [2024-10-24 20:30:19,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-24 20:30:19,482 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 9.19047619047619) internal successors, (193), 22 states have internal predecessors, (193), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Word has length 81 [2024-10-24 20:30:19,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:30:19,483 INFO L225 Difference]: With dead ends: 185 [2024-10-24 20:30:19,483 INFO L226 Difference]: Without dead ends: 173 [2024-10-24 20:30:19,483 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 236 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=304, Invalid=566, Unknown=0, NotChecked=0, Total=870 [2024-10-24 20:30:19,484 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 120 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 220 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 141 SdHoareTripleChecker+Invalid, 236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 220 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 20:30:19,484 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 141 Invalid, 236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 220 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 20:30:19,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2024-10-24 20:30:19,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 165. [2024-10-24 20:30:19,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 151 states have (on average 1.0927152317880795) internal successors, (165), 156 states have internal predecessors, (165), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-10-24 20:30:19,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 179 transitions. [2024-10-24 20:30:19,490 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 179 transitions. Word has length 81 [2024-10-24 20:30:19,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:30:19,490 INFO L471 AbstractCegarLoop]: Abstraction has 165 states and 179 transitions. [2024-10-24 20:30:19,491 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 9.19047619047619) internal successors, (193), 22 states have internal predecessors, (193), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-10-24 20:30:19,491 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 179 transitions. [2024-10-24 20:30:19,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-10-24 20:30:19,491 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:30:19,491 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1] [2024-10-24 20:30:19,504 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-10-24 20:30:19,695 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:30:19,696 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-24 20:30:19,696 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:30:19,696 INFO L85 PathProgramCache]: Analyzing trace with hash 633606503, now seen corresponding path program 2 times [2024-10-24 20:30:19,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:30:19,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [88380642] [2024-10-24 20:30:19,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:30:19,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:30:19,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:30:19,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [259417341] [2024-10-24 20:30:19,723 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-24 20:30:19,723 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:30:19,723 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:30:19,727 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:30:19,728 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-10-24 20:30:19,788 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-24 20:30:19,788 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-24 20:30:19,789 INFO L255 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-10-24 20:30:19,791 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:30:19,919 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-24 20:30:19,919 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:30:20,151 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-24 20:30:20,152 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:30:20,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [88380642] [2024-10-24 20:30:20,152 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:30:20,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [259417341] [2024-10-24 20:30:20,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [259417341] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 20:30:20,152 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-24 20:30:20,153 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2024-10-24 20:30:20,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030346207] [2024-10-24 20:30:20,153 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-24 20:30:20,154 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-24 20:30:20,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:30:20,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-24 20:30:20,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2024-10-24 20:30:20,155 INFO L87 Difference]: Start difference. First operand 165 states and 179 transitions. Second operand has 12 states, 11 states have (on average 15.363636363636363) internal successors, (169), 12 states have internal predecessors, (169), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-10-24 20:30:20,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:30:20,501 INFO L93 Difference]: Finished difference Result 248 states and 271 transitions. [2024-10-24 20:30:20,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-24 20:30:20,502 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 15.363636363636363) internal successors, (169), 12 states have internal predecessors, (169), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Word has length 103 [2024-10-24 20:30:20,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:30:20,503 INFO L225 Difference]: With dead ends: 248 [2024-10-24 20:30:20,503 INFO L226 Difference]: Without dead ends: 240 [2024-10-24 20:30:20,504 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 194 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=94, Invalid=146, Unknown=0, NotChecked=0, Total=240 [2024-10-24 20:30:20,505 INFO L432 NwaCegarLoop]: 65 mSDtfsCounter, 149 mSDsluCounter, 291 mSDsCounter, 0 mSdLazyCounter, 346 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 356 SdHoareTripleChecker+Invalid, 359 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 346 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-24 20:30:20,505 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [151 Valid, 356 Invalid, 359 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 346 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-24 20:30:20,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2024-10-24 20:30:20,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 223. [2024-10-24 20:30:20,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 223 states, 206 states have (on average 1.0922330097087378) internal successors, (225), 211 states have internal predecessors, (225), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-24 20:30:20,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 245 transitions. [2024-10-24 20:30:20,515 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 245 transitions. Word has length 103 [2024-10-24 20:30:20,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:30:20,515 INFO L471 AbstractCegarLoop]: Abstraction has 223 states and 245 transitions. [2024-10-24 20:30:20,516 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 15.363636363636363) internal successors, (169), 12 states have internal predecessors, (169), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-10-24 20:30:20,516 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 245 transitions. [2024-10-24 20:30:20,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-10-24 20:30:20,517 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:30:20,517 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 1, 1] [2024-10-24 20:30:20,534 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-10-24 20:30:20,717 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2024-10-24 20:30:20,718 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-24 20:30:20,718 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:30:20,719 INFO L85 PathProgramCache]: Analyzing trace with hash 851054419, now seen corresponding path program 2 times [2024-10-24 20:30:20,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:30:20,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862930595] [2024-10-24 20:30:20,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:30:20,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:30:20,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:30:20,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 20:30:20,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:30:20,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-24 20:30:20,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:30:20,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-24 20:30:20,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:30:20,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-24 20:30:20,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:30:20,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-24 20:30:20,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:30:20,813 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2024-10-24 20:30:20,813 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:30:20,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1862930595] [2024-10-24 20:30:20,814 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1862930595] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:30:20,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [729993065] [2024-10-24 20:30:20,814 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-24 20:30:20,814 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:30:20,814 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:30:20,818 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:30:20,820 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-10-24 20:30:20,860 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-10-24 20:30:20,860 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-24 20:30:20,861 INFO L255 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-24 20:30:20,862 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:30:21,011 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2024-10-24 20:30:21,011 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:30:21,125 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2024-10-24 20:30:21,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [729993065] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 20:30:21,126 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 20:30:21,126 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-10-24 20:30:21,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901619261] [2024-10-24 20:30:21,126 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 20:30:21,126 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 20:30:21,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:30:21,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 20:30:21,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-24 20:30:21,127 INFO L87 Difference]: Start difference. First operand 223 states and 245 transitions. Second operand has 6 states, 5 states have (on average 9.8) internal successors, (49), 6 states have internal predecessors, (49), 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) [2024-10-24 20:30:21,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:30:21,146 INFO L93 Difference]: Finished difference Result 223 states and 245 transitions. [2024-10-24 20:30:21,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 20:30:21,146 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.8) internal successors, (49), 6 states have internal predecessors, (49), 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) Word has length 117 [2024-10-24 20:30:21,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:30:21,147 INFO L225 Difference]: With dead ends: 223 [2024-10-24 20:30:21,147 INFO L226 Difference]: Without dead ends: 222 [2024-10-24 20:30:21,147 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 246 GetRequests, 240 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-10-24 20:30:21,148 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 58 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 20:30:21,148 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 67 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 20:30:21,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2024-10-24 20:30:21,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 222. [2024-10-24 20:30:21,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 222 states, 206 states have (on average 1.0631067961165048) internal successors, (219), 210 states have internal predecessors, (219), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-24 20:30:21,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 239 transitions. [2024-10-24 20:30:21,156 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 239 transitions. Word has length 117 [2024-10-24 20:30:21,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:30:21,156 INFO L471 AbstractCegarLoop]: Abstraction has 222 states and 239 transitions. [2024-10-24 20:30:21,156 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.8) internal successors, (49), 6 states have internal predecessors, (49), 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) [2024-10-24 20:30:21,156 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 239 transitions. [2024-10-24 20:30:21,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-10-24 20:30:21,157 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:30:21,157 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 1, 1] [2024-10-24 20:30:21,171 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-10-24 20:30:21,358 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-10-24 20:30:21,358 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-24 20:30:21,358 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:30:21,358 INFO L85 PathProgramCache]: Analyzing trace with hash 913861449, now seen corresponding path program 2 times [2024-10-24 20:30:21,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:30:21,358 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1324074548] [2024-10-24 20:30:21,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:30:21,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:30:21,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:30:21,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 20:30:21,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:30:21,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-24 20:30:21,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:30:21,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-24 20:30:21,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:30:21,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-24 20:30:21,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:30:21,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-24 20:30:21,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:30:21,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-24 20:30:21,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:30:21,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-24 20:30:21,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:30:21,735 INFO L134 CoverageAnalysis]: Checked inductivity of 504 backedges. 0 proven. 420 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-24 20:30:21,735 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:30:21,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1324074548] [2024-10-24 20:30:21,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1324074548] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:30:21,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1058230968] [2024-10-24 20:30:21,735 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-24 20:30:21,736 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:30:21,736 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:30:21,737 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:30:21,739 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-10-24 20:30:21,782 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-10-24 20:30:21,782 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-24 20:30:21,783 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-24 20:30:21,785 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:30:22,001 INFO L134 CoverageAnalysis]: Checked inductivity of 504 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 414 trivial. 0 not checked. [2024-10-24 20:30:22,001 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 20:30:22,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1058230968] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:30:22,002 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 20:30:22,002 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [15] total 20 [2024-10-24 20:30:22,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453711600] [2024-10-24 20:30:22,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:30:22,002 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 20:30:22,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:30:22,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 20:30:22,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=369, Unknown=0, NotChecked=0, Total=420 [2024-10-24 20:30:22,003 INFO L87 Difference]: Start difference. First operand 222 states and 239 transitions. Second operand has 7 states, 6 states have (on average 6.333333333333333) internal successors, (38), 7 states have internal predecessors, (38), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-24 20:30:22,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:30:22,090 INFO L93 Difference]: Finished difference Result 224 states and 241 transitions. [2024-10-24 20:30:22,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-24 20:30:22,091 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 6.333333333333333) internal successors, (38), 7 states have internal predecessors, (38), 2 states have call successors, (2), 1 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 169 [2024-10-24 20:30:22,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:30:22,091 INFO L225 Difference]: With dead ends: 224 [2024-10-24 20:30:22,092 INFO L226 Difference]: Without dead ends: 223 [2024-10-24 20:30:22,092 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=55, Invalid=407, Unknown=0, NotChecked=0, Total=462 [2024-10-24 20:30:22,092 INFO L432 NwaCegarLoop]: 17 mSDtfsCounter, 25 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 20:30:22,093 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 68 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 20:30:22,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2024-10-24 20:30:22,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 221. [2024-10-24 20:30:22,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 221 states, 206 states have (on average 1.0436893203883495) internal successors, (215), 209 states have internal predecessors, (215), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-24 20:30:22,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 235 transitions. [2024-10-24 20:30:22,101 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 235 transitions. Word has length 169 [2024-10-24 20:30:22,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:30:22,101 INFO L471 AbstractCegarLoop]: Abstraction has 221 states and 235 transitions. [2024-10-24 20:30:22,101 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 6.333333333333333) internal successors, (38), 7 states have internal predecessors, (38), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-24 20:30:22,101 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 235 transitions. [2024-10-24 20:30:22,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-10-24 20:30:22,102 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:30:22,102 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1] [2024-10-24 20:30:22,114 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-10-24 20:30:22,302 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:30:22,303 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-24 20:30:22,303 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:30:22,303 INFO L85 PathProgramCache]: Analyzing trace with hash 2073367572, now seen corresponding path program 3 times [2024-10-24 20:30:22,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:30:22,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051355129] [2024-10-24 20:30:22,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:30:22,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:30:22,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:30:22,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 20:30:22,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:30:22,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-24 20:30:22,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:30:22,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-24 20:30:22,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:30:22,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-24 20:30:22,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:30:22,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-24 20:30:22,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:30:22,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-24 20:30:22,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:30:22,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-24 20:30:22,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:30:22,630 INFO L134 CoverageAnalysis]: Checked inductivity of 560 backedges. 0 proven. 476 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-24 20:30:22,630 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:30:22,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2051355129] [2024-10-24 20:30:22,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2051355129] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:30:22,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [977863511] [2024-10-24 20:30:22,630 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-24 20:30:22,630 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:30:22,630 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:30:22,632 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:30:22,632 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-10-24 20:30:22,667 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-10-24 20:30:22,667 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-24 20:30:22,667 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-24 20:30:22,669 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:31:19,040 WARN L873 $PredicateComparison]: unable to prove that (exists ((|ULTIMATE.start_main_~y~0#1| Int)) (let ((.cse0 (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1|))) (and (= (mod (+ |ULTIMATE.start_main_~y~0#1| .cse0) 2) 0) (<= .cse0 9223372036854775807) (<= |c_ULTIMATE.start_main_~x~0#1| (+ |ULTIMATE.start_main_~y~0#1| (div (+ (* (- 1) |ULTIMATE.start_main_~y~0#1|) .cse0) 2)))))) is different from true [2024-10-24 20:31:23,074 INFO L134 CoverageAnalysis]: Checked inductivity of 560 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 414 trivial. 0 not checked. [2024-10-24 20:31:23,078 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 20:31:23,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [977863511] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:31:23,078 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 20:31:23,079 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [16] total 23 [2024-10-24 20:31:23,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710950369] [2024-10-24 20:31:23,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:31:23,079 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-24 20:31:23,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:31:23,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-24 20:31:23,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=434, Unknown=6, NotChecked=42, Total=552 [2024-10-24 20:31:23,080 INFO L87 Difference]: Start difference. First operand 221 states and 235 transitions. Second operand has 9 states, 8 states have (on average 5.75) internal successors, (46), 9 states have internal predecessors, (46), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-24 20:31:35,772 WARN L286 SmtUtils]: Spent 8.05s on a formula simplification. DAG size of input: 22 DAG size of output: 31 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-10-24 20:31:44,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:31:44,872 INFO L93 Difference]: Finished difference Result 223 states and 237 transitions. [2024-10-24 20:31:44,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-24 20:31:44,872 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 5.75) internal successors, (46), 9 states have internal predecessors, (46), 2 states have call successors, (2), 1 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 177 [2024-10-24 20:31:44,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:31:44,873 INFO L225 Difference]: With dead ends: 223 [2024-10-24 20:31:44,873 INFO L226 Difference]: Without dead ends: 217 [2024-10-24 20:31:44,874 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 184 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 152 ImplicationChecksByTransitivity, 49.9s TimeCoverageRelationStatistics Valid=123, Invalid=685, Unknown=8, NotChecked=54, Total=870 [2024-10-24 20:31:44,875 INFO L432 NwaCegarLoop]: 10 mSDtfsCounter, 65 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 50 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 20:31:44,876 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 39 Invalid, 160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 98 Invalid, 0 Unknown, 50 Unchecked, 0.1s Time] [2024-10-24 20:31:44,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2024-10-24 20:31:44,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 215. [2024-10-24 20:31:44,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 202 states have (on average 1.00990099009901) internal successors, (204), 203 states have internal predecessors, (204), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-24 20:31:44,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 224 transitions. [2024-10-24 20:31:44,887 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 224 transitions. Word has length 177 [2024-10-24 20:31:44,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:31:44,887 INFO L471 AbstractCegarLoop]: Abstraction has 215 states and 224 transitions. [2024-10-24 20:31:44,888 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 5.75) internal successors, (46), 9 states have internal predecessors, (46), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-24 20:31:44,888 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 224 transitions. [2024-10-24 20:31:44,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2024-10-24 20:31:44,889 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:31:44,889 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1] [2024-10-24 20:31:44,902 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-10-24 20:31:45,093 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:31:45,094 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-24 20:31:45,095 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:31:45,095 INFO L85 PathProgramCache]: Analyzing trace with hash -2093625411, now seen corresponding path program 3 times [2024-10-24 20:31:45,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:31:45,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003410566] [2024-10-24 20:31:45,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:31:45,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:31:45,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:31:45,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 20:31:45,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:31:45,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-24 20:31:45,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:31:45,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-24 20:31:45,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:31:45,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-24 20:31:45,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:31:45,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-24 20:31:45,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:31:45,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-24 20:31:45,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:31:45,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-24 20:31:45,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:31:45,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-24 20:31:45,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:31:45,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-24 20:31:45,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:31:45,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-10-24 20:31:45,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:31:45,611 INFO L134 CoverageAnalysis]: Checked inductivity of 1140 backedges. 911 proven. 49 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-10-24 20:31:45,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:31:45,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1003410566] [2024-10-24 20:31:45,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1003410566] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:31:45,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2105348020] [2024-10-24 20:31:45,612 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-24 20:31:45,612 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:31:45,612 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:31:45,613 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:31:45,617 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-10-24 20:31:45,724 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-10-24 20:31:45,724 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-24 20:31:45,726 INFO L255 TraceCheckSpWp]: Trace formula consists of 410 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-10-24 20:31:45,729 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:31:46,045 INFO L134 CoverageAnalysis]: Checked inductivity of 1140 backedges. 1130 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:31:46,046 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:31:46,621 INFO L134 CoverageAnalysis]: Checked inductivity of 1140 backedges. 950 proven. 10 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-10-24 20:31:46,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2105348020] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 20:31:46,622 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 20:31:46,622 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 23, 24] total 27 [2024-10-24 20:31:46,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709056888] [2024-10-24 20:31:46,622 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 20:31:46,623 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-10-24 20:31:46,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:31:46,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-10-24 20:31:46,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=167, Invalid=535, Unknown=0, NotChecked=0, Total=702 [2024-10-24 20:31:46,624 INFO L87 Difference]: Start difference. First operand 215 states and 224 transitions. Second operand has 27 states, 27 states have (on average 8.703703703703704) internal successors, (235), 27 states have internal predecessors, (235), 10 states have call successors, (20), 11 states have call predecessors, (20), 11 states have return successors, (20), 10 states have call predecessors, (20), 10 states have call successors, (20) [2024-10-24 20:31:47,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:31:47,175 INFO L93 Difference]: Finished difference Result 276 states and 276 transitions. [2024-10-24 20:31:47,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-10-24 20:31:47,176 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 8.703703703703704) internal successors, (235), 27 states have internal predecessors, (235), 10 states have call successors, (20), 11 states have call predecessors, (20), 11 states have return successors, (20), 10 states have call predecessors, (20), 10 states have call successors, (20) Word has length 247 [2024-10-24 20:31:47,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:31:47,177 INFO L225 Difference]: With dead ends: 276 [2024-10-24 20:31:47,178 INFO L226 Difference]: Without dead ends: 248 [2024-10-24 20:31:47,179 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 556 GetRequests, 490 SyntacticMatches, 21 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 775 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=629, Invalid=1533, Unknown=0, NotChecked=0, Total=2162 [2024-10-24 20:31:47,179 INFO L432 NwaCegarLoop]: 202 mSDtfsCounter, 43 mSDsluCounter, 1462 mSDsCounter, 0 mSdLazyCounter, 385 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 1664 SdHoareTripleChecker+Invalid, 385 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 385 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-24 20:31:47,179 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 1664 Invalid, 385 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 385 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-24 20:31:47,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2024-10-24 20:31:47,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 248. [2024-10-24 20:31:47,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 248 states, 227 states have (on average 1.0) internal successors, (227), 227 states have internal predecessors, (227), 10 states have call successors, (10), 10 states have call predecessors, (10), 10 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-24 20:31:47,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 247 transitions. [2024-10-24 20:31:47,197 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 247 transitions. Word has length 247 [2024-10-24 20:31:47,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:31:47,197 INFO L471 AbstractCegarLoop]: Abstraction has 248 states and 247 transitions. [2024-10-24 20:31:47,197 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 8.703703703703704) internal successors, (235), 27 states have internal predecessors, (235), 10 states have call successors, (20), 11 states have call predecessors, (20), 11 states have return successors, (20), 10 states have call predecessors, (20), 10 states have call successors, (20) [2024-10-24 20:31:47,198 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 247 transitions. [2024-10-24 20:31:47,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2024-10-24 20:31:47,199 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:31:47,199 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1] [2024-10-24 20:31:47,217 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-10-24 20:31:47,404 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-10-24 20:31:47,405 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-24 20:31:47,406 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:31:47,406 INFO L85 PathProgramCache]: Analyzing trace with hash -2093626149, now seen corresponding path program 1 times [2024-10-24 20:31:47,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:31:47,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [665450943] [2024-10-24 20:31:47,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:31:47,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:31:47,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:31:47,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1606712951] [2024-10-24 20:31:47,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:31:47,436 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:31:47,437 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:31:47,438 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:31:47,441 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-10-24 20:31:47,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:31:47,516 INFO L255 TraceCheckSpWp]: Trace formula consists of 410 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-10-24 20:31:47,518 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:31:47,803 INFO L134 CoverageAnalysis]: Checked inductivity of 1120 backedges. 0 proven. 940 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-10-24 20:31:47,803 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:31:48,397 INFO L134 CoverageAnalysis]: Checked inductivity of 1120 backedges. 0 proven. 940 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-10-24 20:31:48,398 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:31:48,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [665450943] [2024-10-24 20:31:48,398 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:31:48,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1606712951] [2024-10-24 20:31:48,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1606712951] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 20:31:48,398 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-24 20:31:48,398 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 23 [2024-10-24 20:31:48,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2094005077] [2024-10-24 20:31:48,398 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-24 20:31:48,399 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-10-24 20:31:48,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:31:48,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-10-24 20:31:48,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=166, Invalid=386, Unknown=0, NotChecked=0, Total=552 [2024-10-24 20:31:48,401 INFO L87 Difference]: Start difference. First operand 248 states and 247 transitions. Second operand has 24 states, 23 states have (on average 17.26086956521739) internal successors, (397), 24 states have internal predecessors, (397), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-10-24 20:31:49,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:31:49,222 INFO L93 Difference]: Finished difference Result 248 states and 247 transitions. [2024-10-24 20:31:49,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-24 20:31:49,222 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 17.26086956521739) internal successors, (397), 24 states have internal predecessors, (397), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Word has length 247 [2024-10-24 20:31:49,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:31:49,223 INFO L225 Difference]: With dead ends: 248 [2024-10-24 20:31:49,223 INFO L226 Difference]: Without dead ends: 0 [2024-10-24 20:31:49,226 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 492 GetRequests, 470 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=166, Invalid=386, Unknown=0, NotChecked=0, Total=552 [2024-10-24 20:31:49,229 INFO L432 NwaCegarLoop]: 117 mSDtfsCounter, 0 mSDsluCounter, 1109 mSDsCounter, 0 mSdLazyCounter, 1222 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1226 SdHoareTripleChecker+Invalid, 1222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1222 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-24 20:31:49,229 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1226 Invalid, 1222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1222 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-24 20:31:49,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-10-24 20:31:49,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-10-24 20:31:49,229 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) [2024-10-24 20:31:49,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-10-24 20:31:49,229 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 247 [2024-10-24 20:31:49,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:31:49,229 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-24 20:31:49,229 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 17.26086956521739) internal successors, (397), 24 states have internal predecessors, (397), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-10-24 20:31:49,229 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-10-24 20:31:49,230 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-10-24 20:31:49,235 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 24 remaining) [2024-10-24 20:31:49,239 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 24 remaining) [2024-10-24 20:31:49,239 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 24 remaining) [2024-10-24 20:31:49,239 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 24 remaining) [2024-10-24 20:31:49,239 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 24 remaining) [2024-10-24 20:31:49,239 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 24 remaining) [2024-10-24 20:31:49,240 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 24 remaining) [2024-10-24 20:31:49,240 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 24 remaining) [2024-10-24 20:31:49,240 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 24 remaining) [2024-10-24 20:31:49,240 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 24 remaining) [2024-10-24 20:31:49,240 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 24 remaining) [2024-10-24 20:31:49,240 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 24 remaining) [2024-10-24 20:31:49,240 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 24 remaining) [2024-10-24 20:31:49,240 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 24 remaining) [2024-10-24 20:31:49,240 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 24 remaining) [2024-10-24 20:31:49,240 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 24 remaining) [2024-10-24 20:31:49,240 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 24 remaining) [2024-10-24 20:31:49,240 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 24 remaining) [2024-10-24 20:31:49,240 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 24 remaining) [2024-10-24 20:31:49,240 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 24 remaining) [2024-10-24 20:31:49,240 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 24 remaining) [2024-10-24 20:31:49,240 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 24 remaining) [2024-10-24 20:31:49,240 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 24 remaining) [2024-10-24 20:31:49,240 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 24 remaining) [2024-10-24 20:31:49,264 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-10-24 20:31:49,442 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-10-24 20:31:49,445 INFO L407 BasicCegarLoop]: Path program histogram: [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:31:49,447 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-10-24 20:31:49,918 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-24 20:31:49,935 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 08:31:49 BoogieIcfgContainer [2024-10-24 20:31:49,935 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-24 20:31:49,935 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-24 20:31:49,935 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-24 20:31:49,936 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-24 20:31:49,936 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 08:30:11" (3/4) ... [2024-10-24 20:31:49,937 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-24 20:31:49,939 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-10-24 20:31:49,942 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-10-24 20:31:49,942 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-10-24 20:31:49,942 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-24 20:31:49,942 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-24 20:31:50,025 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-24 20:31:50,026 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-24 20:31:50,026 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-24 20:31:50,026 INFO L158 Benchmark]: Toolchain (without parser) took 99054.89ms. Allocated memory was 153.1MB in the beginning and 224.4MB in the end (delta: 71.3MB). Free memory was 122.2MB in the beginning and 169.7MB in the end (delta: -47.5MB). Peak memory consumption was 26.9MB. Max. memory is 16.1GB. [2024-10-24 20:31:50,027 INFO L158 Benchmark]: CDTParser took 0.71ms. Allocated memory is still 153.1MB. Free memory is still 117.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 20:31:50,027 INFO L158 Benchmark]: CACSL2BoogieTranslator took 347.80ms. Allocated memory is still 153.1MB. Free memory was 121.7MB in the beginning and 109.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-24 20:31:50,027 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.97ms. Allocated memory is still 153.1MB. Free memory was 108.5MB in the beginning and 107.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-24 20:31:50,027 INFO L158 Benchmark]: Boogie Preprocessor took 48.74ms. Allocated memory is still 153.1MB. Free memory was 107.0MB in the beginning and 105.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 20:31:50,027 INFO L158 Benchmark]: RCFGBuilder took 371.13ms. Allocated memory is still 153.1MB. Free memory was 105.4MB in the beginning and 90.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-24 20:31:50,028 INFO L158 Benchmark]: TraceAbstraction took 98140.66ms. Allocated memory was 153.1MB in the beginning and 224.4MB in the end (delta: 71.3MB). Free memory was 89.6MB in the beginning and 175.0MB in the end (delta: -85.4MB). Peak memory consumption was 102.4MB. Max. memory is 16.1GB. [2024-10-24 20:31:50,028 INFO L158 Benchmark]: Witness Printer took 90.54ms. Allocated memory is still 224.4MB. Free memory was 175.0MB in the beginning and 169.7MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-24 20:31:50,029 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.71ms. Allocated memory is still 153.1MB. Free memory is still 117.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 347.80ms. Allocated memory is still 153.1MB. Free memory was 121.7MB in the beginning and 109.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.97ms. Allocated memory is still 153.1MB. Free memory was 108.5MB in the beginning and 107.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.74ms. Allocated memory is still 153.1MB. Free memory was 107.0MB in the beginning and 105.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 371.13ms. Allocated memory is still 153.1MB. Free memory was 105.4MB in the beginning and 90.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 98140.66ms. Allocated memory was 153.1MB in the beginning and 224.4MB in the end (delta: 71.3MB). Free memory was 89.6MB in the beginning and 175.0MB in the end (delta: -85.4MB). Peak memory consumption was 102.4MB. Max. memory is 16.1GB. * Witness Printer took 90.54ms. Allocated memory is still 224.4MB. Free memory was 175.0MB in the beginning and 169.7MB in the end (delta: 5.3MB). 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: 27]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 27]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: 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, 60 locations, 24 error locations. Started 1 CEGAR loops. OverallTime: 97.6s, OverallIterations: 26, TraceHistogramMax: 11, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 25.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1070 SdHoareTripleChecker+Valid, 2.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1058 mSDsluCounter, 5300 SdHoareTripleChecker+Invalid, 2.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 50 IncrementalHoareTripleChecker+Unchecked, 4126 mSDsCounter, 126 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3632 IncrementalHoareTripleChecker+Invalid, 3808 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 126 mSolverCounterUnsat, 1174 mSDtfsCounter, 3632 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2738 GetRequests, 2454 SyntacticMatches, 22 SemanticMatches, 262 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 1474 ImplicationChecksByTransitivity, 52.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=248occurred in iteration=25, InterpolantAutomatonStates: 191, 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, 26 MinimizatonAttempts, 144 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 67.0s InterpolantComputationTime, 3108 NumberOfCodeBlocks, 2724 NumberOfCodeBlocksAsserted, 56 NumberOfCheckSat, 3680 ConstructedInterpolants, 4 QuantifiedInterpolants, 14860 SizeOfPredicates, 30 NumberOfNonLiveVariables, 2191 ConjunctsInSsa, 136 ConjunctsInUnsatCore, 49 InterpolantComputations, 16 PerfectInterpolantSequences, 5761/9485 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 24 specifications checked. All of them hold - InvariantResult [Line: 27]: Loop Invariant Derived loop invariant: ((((((((((((((((counter <= 10) && (c == 1)) && (k <= 2147483647)) && (x == 1)) && (1 <= counter)) && (y == 1)) || ((((((((counter <= 10) && (c <= 9223372036854775806)) && (x <= 28)) && (7 <= x)) && (7 == y)) && (1 <= c)) && (k <= 2147483647)) && (7 <= counter))) || ((((((((counter <= 10) && (5 <= x)) && (5 == y)) && (c <= 9223372036854775806)) && (1 <= c)) && (k <= 2147483647)) && (x <= 15)) && (5 <= counter))) || ((((((((counter <= 10) && (y == 4)) && (c <= 9223372036854775806)) && (1 <= c)) && (k <= 2147483647)) && (x <= 10)) && (4 <= counter)) && (4 <= x))) || ((((((((counter <= 10) && (c <= 9223372036854775806)) && (1 <= c)) && (k <= 2147483647)) && (3 == y)) && (x <= 6)) && (3 <= x)) && (3 <= counter))) || (((((((counter == 10) && (c <= 9223372036854775806)) && (1 <= c)) && (x <= 55)) && (k <= 2147483647)) && (y == 10)) && (10 <= x))) || ((((((((counter <= 10) && (8 <= x)) && (c <= 9223372036854775806)) && (x <= 36)) && (1 <= c)) && (k <= 2147483647)) && (8 <= counter)) && (y == 8))) || (((((c == 0) && (k <= 2147483647)) && (y == 0)) && (counter == 0)) && (x == 0))) || ((((((((counter <= 10) && (c <= 9223372036854775806)) && (1 <= c)) && (k <= 2147483647)) && (9 <= counter)) && (x <= 45)) && (9 <= x)) && (9 == y))) || ((((((((2 <= x) && (2 <= counter)) && (counter <= 10)) && (1 <= c)) && (k <= 2147483647)) && (2 == y)) && (x <= 3)) && (c <= 9223372036854775805))) || ((((((((6 == y) && (counter <= 10)) && (6 <= x)) && (c <= 9223372036854775806)) && (1 <= c)) && (k <= 2147483647)) && (x <= 21)) && (6 <= counter))) - ProcedureContractResult [Line: 9]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert. Ensures: ((((cond != 0) || (10 < counter)) || (counter < 1)) && (counter == \old(counter))) RESULT: Ultimate proved your program to be correct! [2024-10-24 20:31:50,234 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE