./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/cohendiv-ll.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench/cohendiv-ll.c -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 601ddeb38cc85433f6271611bfd2617c2fcbf2b89119dbe2c319aedc14aa3b17 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 20:31:10,654 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 20:31:10,724 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-11 20:31:10,731 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 20:31:10,731 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 20:31:10,765 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 20:31:10,766 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 20:31:10,766 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 20:31:10,767 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 20:31:10,769 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 20:31:10,769 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 20:31:10,769 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 20:31:10,770 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 20:31:10,770 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 20:31:10,771 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 20:31:10,771 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 20:31:10,771 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 20:31:10,772 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 20:31:10,772 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 20:31:10,772 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 20:31:10,772 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 20:31:10,773 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 20:31:10,773 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 20:31:10,774 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 20:31:10,774 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 20:31:10,774 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-11 20:31:10,775 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-11 20:31:10,775 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 20:31:10,775 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 20:31:10,775 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 20:31:10,776 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 20:31:10,776 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 20:31:10,776 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 20:31:10,776 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 20:31:10,777 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 20:31:10,777 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 20:31:10,777 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 20:31:10,777 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 20:31:10,778 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 20:31:10,778 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 20:31:10,778 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 20:31:10,779 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 20:31:10,779 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 20:31:10,779 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 20:31:10,779 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 601ddeb38cc85433f6271611bfd2617c2fcbf2b89119dbe2c319aedc14aa3b17 [2024-10-11 20:31:11,043 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 20:31:11,069 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 20:31:11,071 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 20:31:11,073 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 20:31:11,074 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 20:31:11,075 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench/cohendiv-ll.c [2024-10-11 20:31:12,439 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 20:31:12,626 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 20:31:12,627 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench/cohendiv-ll.c [2024-10-11 20:31:12,633 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/2f6d69145/b538d2f4537943e1a70f50ac77c405d4/FLAG9b2a64f56 [2024-10-11 20:31:12,645 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/2f6d69145/b538d2f4537943e1a70f50ac77c405d4 [2024-10-11 20:31:12,648 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 20:31:12,649 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 20:31:12,650 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 20:31:12,651 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 20:31:12,656 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 20:31:12,663 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 08:31:12" (1/1) ... [2024-10-11 20:31:12,666 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21bf684e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:31:12, skipping insertion in model container [2024-10-11 20:31:12,666 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 08:31:12" (1/1) ... [2024-10-11 20:31:12,691 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 20:31:12,880 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 20:31:12,889 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 20:31:12,910 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 20:31:12,923 INFO L204 MainTranslator]: Completed translation [2024-10-11 20:31:12,924 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:31:12 WrapperNode [2024-10-11 20:31:12,924 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 20:31:12,925 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 20:31:12,925 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 20:31:12,925 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 20:31:12,931 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:31:12" (1/1) ... [2024-10-11 20:31:12,935 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:31:12" (1/1) ... [2024-10-11 20:31:12,951 INFO L138 Inliner]: procedures = 14, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 94 [2024-10-11 20:31:12,951 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 20:31:12,952 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 20:31:12,952 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 20:31:12,952 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 20:31:12,961 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:31:12" (1/1) ... [2024-10-11 20:31:12,962 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:31:12" (1/1) ... [2024-10-11 20:31:12,963 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:31:12" (1/1) ... [2024-10-11 20:31:12,977 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]. [2024-10-11 20:31:12,977 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:31:12" (1/1) ... [2024-10-11 20:31:12,978 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:31:12" (1/1) ... [2024-10-11 20:31:12,982 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:31:12" (1/1) ... [2024-10-11 20:31:12,989 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:31:12" (1/1) ... [2024-10-11 20:31:12,990 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:31:12" (1/1) ... [2024-10-11 20:31:12,991 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:31:12" (1/1) ... [2024-10-11 20:31:12,996 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 20:31:12,997 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 20:31:12,998 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 20:31:12,998 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 20:31:12,998 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:31:12" (1/1) ... [2024-10-11 20:31:13,003 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 20:31:13,015 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:31:13,031 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 20:31:13,037 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 20:31:13,087 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 20:31:13,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 20:31:13,087 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 20:31:13,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 20:31:13,088 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-11 20:31:13,088 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-11 20:31:13,151 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 20:31:13,153 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 20:31:13,568 INFO L? ?]: Removed 64 outVars from TransFormulas that were not future-live. [2024-10-11 20:31:13,568 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 20:31:13,602 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 20:31:13,603 INFO L314 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-11 20:31:13,603 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 08:31:13 BoogieIcfgContainer [2024-10-11 20:31:13,604 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 20:31:13,605 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 20:31:13,606 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 20:31:13,609 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 20:31:13,610 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 08:31:12" (1/3) ... [2024-10-11 20:31:13,611 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41f1a89d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 08:31:13, skipping insertion in model container [2024-10-11 20:31:13,611 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:31:12" (2/3) ... [2024-10-11 20:31:13,611 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41f1a89d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 08:31:13, skipping insertion in model container [2024-10-11 20:31:13,613 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 08:31:13" (3/3) ... [2024-10-11 20:31:13,614 INFO L112 eAbstractionObserver]: Analyzing ICFG cohendiv-ll.c [2024-10-11 20:31:13,631 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 20:31:13,631 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 30 error locations. [2024-10-11 20:31:13,688 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 20:31:13,694 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;@5a4ef8bf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 20:31:13,694 INFO L334 AbstractCegarLoop]: Starting to check reachability of 30 error locations. [2024-10-11 20:31:13,700 INFO L276 IsEmpty]: Start isEmpty. Operand has 80 states, 41 states have (on average 1.9268292682926829) internal successors, (79), 71 states have internal predecessors, (79), 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) [2024-10-11 20:31:13,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-10-11 20:31:13,709 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:31:13,709 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-10-11 20:31:13,710 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-10-11 20:31:13,716 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:31:13,716 INFO L85 PathProgramCache]: Analyzing trace with hash 160850856, now seen corresponding path program 1 times [2024-10-11 20:31:13,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:31:13,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620921706] [2024-10-11 20:31:13,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:31:13,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:31:13,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:13,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:31:13,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:31:13,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [620921706] [2024-10-11 20:31:13,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [620921706] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:31:13,853 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:31:13,853 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 20:31:13,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473005679] [2024-10-11 20:31:13,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:31:13,864 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-11 20:31:13,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:31:13,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-11 20:31:13,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 20:31:13,892 INFO L87 Difference]: Start difference. First operand has 80 states, 41 states have (on average 1.9268292682926829) internal successors, (79), 71 states have internal predecessors, (79), 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) Second operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:31:13,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:31:13,929 INFO L93 Difference]: Finished difference Result 158 states and 190 transitions. [2024-10-11 20:31:13,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-11 20:31:13,931 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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 5 [2024-10-11 20:31:13,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:31:13,937 INFO L225 Difference]: With dead ends: 158 [2024-10-11 20:31:13,937 INFO L226 Difference]: Without dead ends: 77 [2024-10-11 20:31:13,940 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 [2024-10-11 20:31:13,943 INFO L432 NwaCegarLoop]: 85 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, 85 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 [2024-10-11 20:31:13,944 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 85 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 20:31:13,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2024-10-11 20:31:13,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2024-10-11 20:31:13,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 40 states have (on average 1.775) internal successors, (71), 69 states have internal predecessors, (71), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-10-11 20:31:13,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 83 transitions. [2024-10-11 20:31:13,977 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 83 transitions. Word has length 5 [2024-10-11 20:31:13,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:31:13,978 INFO L471 AbstractCegarLoop]: Abstraction has 77 states and 83 transitions. [2024-10-11 20:31:13,978 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:31:13,978 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 83 transitions. [2024-10-11 20:31:13,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-10-11 20:31:13,979 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:31:13,979 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-10-11 20:31:13,979 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 20:31:13,979 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-10-11 20:31:13,980 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:31:13,980 INFO L85 PathProgramCache]: Analyzing trace with hash 160910417, now seen corresponding path program 1 times [2024-10-11 20:31:13,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:31:13,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585969951] [2024-10-11 20:31:13,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:31:13,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:31:13,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:31:14,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1107497250] [2024-10-11 20:31:14,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:31:14,002 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:31:14,002 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:31:14,004 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:31:14,006 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-11 20:31:14,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:14,052 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-11 20:31:14,057 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:31:14,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:31:14,078 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:31:14,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:31:14,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1585969951] [2024-10-11 20:31:14,078 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:31:14,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1107497250] [2024-10-11 20:31:14,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1107497250] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:31:14,079 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:31:14,079 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 20:31:14,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281014890] [2024-10-11 20:31:14,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:31:14,082 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 20:31:14,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:31:14,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 20:31:14,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:31:14,083 INFO L87 Difference]: Start difference. First operand 77 states and 83 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:31:14,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:31:14,202 INFO L93 Difference]: Finished difference Result 101 states and 109 transitions. [2024-10-11 20:31:14,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 20:31:14,205 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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 5 [2024-10-11 20:31:14,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:31:14,206 INFO L225 Difference]: With dead ends: 101 [2024-10-11 20:31:14,206 INFO L226 Difference]: Without dead ends: 99 [2024-10-11 20:31:14,206 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:31:14,207 INFO L432 NwaCegarLoop]: 80 mSDtfsCounter, 18 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:31:14,208 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 140 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:31:14,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2024-10-11 20:31:14,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 80. [2024-10-11 20:31:14,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 43 states have (on average 1.7209302325581395) internal successors, (74), 72 states have internal predecessors, (74), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-10-11 20:31:14,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 86 transitions. [2024-10-11 20:31:14,241 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 86 transitions. Word has length 5 [2024-10-11 20:31:14,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:31:14,241 INFO L471 AbstractCegarLoop]: Abstraction has 80 states and 86 transitions. [2024-10-11 20:31:14,242 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:31:14,242 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 86 transitions. [2024-10-11 20:31:14,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-10-11 20:31:14,242 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:31:14,243 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:31:14,264 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-11 20:31:14,446 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:31:14,447 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-10-11 20:31:14,448 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:31:14,448 INFO L85 PathProgramCache]: Analyzing trace with hash -653592718, now seen corresponding path program 1 times [2024-10-11 20:31:14,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:31:14,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447273416] [2024-10-11 20:31:14,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:31:14,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:31:14,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:31:14,475 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [369467686] [2024-10-11 20:31:14,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:31:14,475 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:31:14,475 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:31:14,476 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:31:14,478 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-11 20:31:14,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:14,513 INFO L255 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-11 20:31:14,514 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:31:14,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:31:14,550 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:31:14,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:31:14,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447273416] [2024-10-11 20:31:14,551 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:31:14,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [369467686] [2024-10-11 20:31:14,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [369467686] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:31:14,552 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:31:14,552 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 20:31:14,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281933213] [2024-10-11 20:31:14,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:31:14,553 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 20:31:14,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:31:14,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 20:31:14,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:31:14,554 INFO L87 Difference]: Start difference. First operand 80 states and 86 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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) [2024-10-11 20:31:14,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:31:14,697 INFO L93 Difference]: Finished difference Result 137 states and 158 transitions. [2024-10-11 20:31:14,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 20:31:14,698 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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 12 [2024-10-11 20:31:14,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:31:14,699 INFO L225 Difference]: With dead ends: 137 [2024-10-11 20:31:14,700 INFO L226 Difference]: Without dead ends: 131 [2024-10-11 20:31:14,700 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:31:14,701 INFO L432 NwaCegarLoop]: 61 mSDtfsCounter, 45 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:31:14,702 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 115 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:31:14,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2024-10-11 20:31:14,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 111. [2024-10-11 20:31:14,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 68 states have (on average 1.7205882352941178) internal successors, (117), 97 states have internal predecessors, (117), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-10-11 20:31:14,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 141 transitions. [2024-10-11 20:31:14,713 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 141 transitions. Word has length 12 [2024-10-11 20:31:14,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:31:14,713 INFO L471 AbstractCegarLoop]: Abstraction has 111 states and 141 transitions. [2024-10-11 20:31:14,714 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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) [2024-10-11 20:31:14,714 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 141 transitions. [2024-10-11 20:31:14,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-10-11 20:31:14,714 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:31:14,715 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:31:14,727 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-10-11 20:31:14,915 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:31:14,916 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-10-11 20:31:14,916 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:31:14,916 INFO L85 PathProgramCache]: Analyzing trace with hash -1037374956, now seen corresponding path program 1 times [2024-10-11 20:31:14,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:31:14,917 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [496897455] [2024-10-11 20:31:14,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:31:14,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:31:14,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:31:14,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1078373776] [2024-10-11 20:31:14,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:31:14,944 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:31:14,944 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:31:14,946 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:31:14,947 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-11 20:31:14,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:14,987 INFO L255 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 20:31:14,988 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:31:15,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:31:15,082 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:31:15,082 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:31:15,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [496897455] [2024-10-11 20:31:15,082 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:31:15,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1078373776] [2024-10-11 20:31:15,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1078373776] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:31:15,082 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:31:15,082 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 20:31:15,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851269374] [2024-10-11 20:31:15,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:31:15,083 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:31:15,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:31:15,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:31:15,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:31:15,084 INFO L87 Difference]: Start difference. First operand 111 states and 141 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-11 20:31:15,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:31:15,228 INFO L93 Difference]: Finished difference Result 130 states and 148 transitions. [2024-10-11 20:31:15,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:31:15,229 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2024-10-11 20:31:15,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:31:15,231 INFO L225 Difference]: With dead ends: 130 [2024-10-11 20:31:15,231 INFO L226 Difference]: Without dead ends: 127 [2024-10-11 20:31:15,231 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 20:31:15,232 INFO L432 NwaCegarLoop]: 59 mSDtfsCounter, 155 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:31:15,233 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [161 Valid, 114 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:31:15,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2024-10-11 20:31:15,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 112. [2024-10-11 20:31:15,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 69 states have (on average 1.681159420289855) internal successors, (116), 98 states have internal predecessors, (116), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-10-11 20:31:15,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 140 transitions. [2024-10-11 20:31:15,246 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 140 transitions. Word has length 14 [2024-10-11 20:31:15,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:31:15,246 INFO L471 AbstractCegarLoop]: Abstraction has 112 states and 140 transitions. [2024-10-11 20:31:15,246 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-11 20:31:15,247 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 140 transitions. [2024-10-11 20:31:15,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-10-11 20:31:15,247 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:31:15,247 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:31:15,265 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-10-11 20:31:15,451 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:31:15,452 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-10-11 20:31:15,452 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:31:15,452 INFO L85 PathProgramCache]: Analyzing trace with hash -2093852503, now seen corresponding path program 1 times [2024-10-11 20:31:15,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:31:15,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1763380957] [2024-10-11 20:31:15,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:31:15,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:31:15,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:31:15,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1030349661] [2024-10-11 20:31:15,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:31:15,483 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:31:15,483 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:31:15,485 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:31:15,486 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-11 20:31:15,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:15,520 INFO L255 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 20:31:15,522 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:31:15,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:31:15,596 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:31:15,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:31:15,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1763380957] [2024-10-11 20:31:15,597 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:31:15,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1030349661] [2024-10-11 20:31:15,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1030349661] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:31:15,598 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:31:15,598 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 20:31:15,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204103866] [2024-10-11 20:31:15,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:31:15,598 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:31:15,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:31:15,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:31:15,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:31:15,601 INFO L87 Difference]: Start difference. First operand 112 states and 140 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 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) [2024-10-11 20:31:15,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:31:15,788 INFO L93 Difference]: Finished difference Result 130 states and 145 transitions. [2024-10-11 20:31:15,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:31:15,789 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 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 15 [2024-10-11 20:31:15,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:31:15,791 INFO L225 Difference]: With dead ends: 130 [2024-10-11 20:31:15,791 INFO L226 Difference]: Without dead ends: 123 [2024-10-11 20:31:15,792 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 20:31:15,792 INFO L432 NwaCegarLoop]: 62 mSDtfsCounter, 151 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 20:31:15,793 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 117 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 20:31:15,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2024-10-11 20:31:15,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 109. [2024-10-11 20:31:15,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 66 states have (on average 1.6666666666666667) internal successors, (110), 95 states have internal predecessors, (110), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-10-11 20:31:15,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 134 transitions. [2024-10-11 20:31:15,810 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 134 transitions. Word has length 15 [2024-10-11 20:31:15,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:31:15,811 INFO L471 AbstractCegarLoop]: Abstraction has 109 states and 134 transitions. [2024-10-11 20:31:15,811 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 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) [2024-10-11 20:31:15,811 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 134 transitions. [2024-10-11 20:31:15,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-10-11 20:31:15,812 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:31:15,812 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:31:15,830 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-10-11 20:31:16,012 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:31:16,013 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-10-11 20:31:16,013 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:31:16,013 INFO L85 PathProgramCache]: Analyzing trace with hash 594833570, now seen corresponding path program 1 times [2024-10-11 20:31:16,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:31:16,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [778912424] [2024-10-11 20:31:16,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:31:16,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:31:16,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:31:16,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [80535378] [2024-10-11 20:31:16,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:31:16,034 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:31:16,035 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:31:16,036 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:31:16,038 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-11 20:31:16,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:16,076 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 20:31:16,077 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:31:16,121 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:31:16,122 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:31:16,122 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:31:16,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [778912424] [2024-10-11 20:31:16,122 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:31:16,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [80535378] [2024-10-11 20:31:16,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [80535378] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:31:16,123 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:31:16,123 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 20:31:16,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817470569] [2024-10-11 20:31:16,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:31:16,123 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:31:16,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:31:16,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:31:16,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:31:16,124 INFO L87 Difference]: Start difference. First operand 109 states and 134 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 20:31:16,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:31:16,399 INFO L93 Difference]: Finished difference Result 176 states and 242 transitions. [2024-10-11 20:31:16,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:31:16,400 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 23 [2024-10-11 20:31:16,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:31:16,402 INFO L225 Difference]: With dead ends: 176 [2024-10-11 20:31:16,402 INFO L226 Difference]: Without dead ends: 171 [2024-10-11 20:31:16,402 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:31:16,403 INFO L432 NwaCegarLoop]: 40 mSDtfsCounter, 74 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 20:31:16,403 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 79 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 20:31:16,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2024-10-11 20:31:16,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 155. [2024-10-11 20:31:16,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 104 states have (on average 1.6346153846153846) internal successors, (170), 133 states have internal predecessors, (170), 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) [2024-10-11 20:31:16,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 210 transitions. [2024-10-11 20:31:16,421 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 210 transitions. Word has length 23 [2024-10-11 20:31:16,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:31:16,421 INFO L471 AbstractCegarLoop]: Abstraction has 155 states and 210 transitions. [2024-10-11 20:31:16,422 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 20:31:16,422 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 210 transitions. [2024-10-11 20:31:16,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-10-11 20:31:16,422 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:31:16,422 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:31:16,439 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-11 20:31:16,623 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:31:16,624 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-10-11 20:31:16,624 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:31:16,624 INFO L85 PathProgramCache]: Analyzing trace with hash 1259971566, now seen corresponding path program 1 times [2024-10-11 20:31:16,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:31:16,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1554360008] [2024-10-11 20:31:16,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:31:16,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:31:16,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:31:16,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [533530356] [2024-10-11 20:31:16,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:31:16,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:31:16,665 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:31:16,667 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:31:16,669 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-11 20:31:16,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:16,708 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 20:31:16,709 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:31:16,749 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:31:16,750 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:31:16,750 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:31:16,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1554360008] [2024-10-11 20:31:16,752 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:31:16,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [533530356] [2024-10-11 20:31:16,753 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [533530356] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:31:16,753 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:31:16,753 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 20:31:16,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229055960] [2024-10-11 20:31:16,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:31:16,754 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:31:16,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:31:16,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:31:16,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:31:16,755 INFO L87 Difference]: Start difference. First operand 155 states and 210 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 20:31:16,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:31:16,900 INFO L93 Difference]: Finished difference Result 174 states and 233 transitions. [2024-10-11 20:31:16,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:31:16,901 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 24 [2024-10-11 20:31:16,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:31:16,902 INFO L225 Difference]: With dead ends: 174 [2024-10-11 20:31:16,902 INFO L226 Difference]: Without dead ends: 171 [2024-10-11 20:31:16,903 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:31:16,903 INFO L432 NwaCegarLoop]: 40 mSDtfsCounter, 73 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:31:16,904 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 79 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:31:16,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2024-10-11 20:31:16,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 156. [2024-10-11 20:31:16,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 105 states have (on average 1.5904761904761904) internal successors, (167), 134 states have internal predecessors, (167), 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) [2024-10-11 20:31:16,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 207 transitions. [2024-10-11 20:31:16,920 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 207 transitions. Word has length 24 [2024-10-11 20:31:16,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:31:16,920 INFO L471 AbstractCegarLoop]: Abstraction has 156 states and 207 transitions. [2024-10-11 20:31:16,920 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 20:31:16,920 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 207 transitions. [2024-10-11 20:31:16,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-10-11 20:31:16,924 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:31:16,924 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:31:16,938 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-11 20:31:17,124 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-10-11 20:31:17,125 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-10-11 20:31:17,125 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:31:17,125 INFO L85 PathProgramCache]: Analyzing trace with hash -1175018125, now seen corresponding path program 1 times [2024-10-11 20:31:17,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:31:17,125 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917227330] [2024-10-11 20:31:17,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:31:17,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:31:17,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:17,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-11 20:31:17,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:17,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-11 20:31:17,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:17,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 20:31:17,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:17,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 20:31:17,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:17,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 20:31:17,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:17,310 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-11 20:31:17,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:31:17,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [917227330] [2024-10-11 20:31:17,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [917227330] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:31:17,312 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:31:17,312 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 20:31:17,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946029620] [2024-10-11 20:31:17,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:31:17,313 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:31:17,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:31:17,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:31:17,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:31:17,313 INFO L87 Difference]: Start difference. First operand 156 states and 207 transitions. Second operand has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-11 20:31:17,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:31:17,736 INFO L93 Difference]: Finished difference Result 189 states and 236 transitions. [2024-10-11 20:31:17,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 20:31:17,737 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), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 44 [2024-10-11 20:31:17,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:31:17,738 INFO L225 Difference]: With dead ends: 189 [2024-10-11 20:31:17,739 INFO L226 Difference]: Without dead ends: 187 [2024-10-11 20:31:17,739 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 20:31:17,739 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 114 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 20:31:17,740 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 64 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 20:31:17,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2024-10-11 20:31:17,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 158. [2024-10-11 20:31:17,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 107 states have (on average 1.560747663551402) internal successors, (167), 136 states have internal predecessors, (167), 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) [2024-10-11 20:31:17,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 207 transitions. [2024-10-11 20:31:17,755 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 207 transitions. Word has length 44 [2024-10-11 20:31:17,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:31:17,755 INFO L471 AbstractCegarLoop]: Abstraction has 158 states and 207 transitions. [2024-10-11 20:31:17,756 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), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-11 20:31:17,756 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 207 transitions. [2024-10-11 20:31:17,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-10-11 20:31:17,757 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:31:17,757 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:31:17,757 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-11 20:31:17,758 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-10-11 20:31:17,758 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:31:17,758 INFO L85 PathProgramCache]: Analyzing trace with hash -2065823412, now seen corresponding path program 1 times [2024-10-11 20:31:17,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:31:17,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184007315] [2024-10-11 20:31:17,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:31:17,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:31:17,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:17,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-11 20:31:17,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:17,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-11 20:31:17,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:17,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 20:31:17,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:17,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 20:31:17,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:17,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 20:31:17,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:17,872 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-11 20:31:17,872 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:31:17,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [184007315] [2024-10-11 20:31:17,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [184007315] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:31:17,872 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:31:17,873 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 20:31:17,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1558233480] [2024-10-11 20:31:17,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:31:17,875 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:31:17,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:31:17,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:31:17,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:31:17,876 INFO L87 Difference]: Start difference. First operand 158 states and 207 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-11 20:31:18,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:31:18,052 INFO L93 Difference]: Finished difference Result 189 states and 232 transitions. [2024-10-11 20:31:18,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 20:31:18,054 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), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 45 [2024-10-11 20:31:18,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:31:18,055 INFO L225 Difference]: With dead ends: 189 [2024-10-11 20:31:18,055 INFO L226 Difference]: Without dead ends: 187 [2024-10-11 20:31:18,056 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 20:31:18,056 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 111 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:31:18,057 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 66 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:31:18,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2024-10-11 20:31:18,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 160. [2024-10-11 20:31:18,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 109 states have (on average 1.5321100917431192) internal successors, (167), 138 states have internal predecessors, (167), 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) [2024-10-11 20:31:18,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 207 transitions. [2024-10-11 20:31:18,075 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 207 transitions. Word has length 45 [2024-10-11 20:31:18,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:31:18,076 INFO L471 AbstractCegarLoop]: Abstraction has 160 states and 207 transitions. [2024-10-11 20:31:18,076 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), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-11 20:31:18,076 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 207 transitions. [2024-10-11 20:31:18,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-10-11 20:31:18,077 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:31:18,079 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:31:18,079 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-11 20:31:18,080 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-10-11 20:31:18,080 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:31:18,080 INFO L85 PathProgramCache]: Analyzing trace with hash -981405020, now seen corresponding path program 1 times [2024-10-11 20:31:18,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:31:18,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414588753] [2024-10-11 20:31:18,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:31:18,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:31:18,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:18,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-11 20:31:18,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:18,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-11 20:31:18,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:18,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 20:31:18,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:18,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 20:31:18,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:18,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 20:31:18,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:18,182 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-11 20:31:18,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:31:18,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1414588753] [2024-10-11 20:31:18,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1414588753] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:31:18,185 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:31:18,185 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 20:31:18,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970360603] [2024-10-11 20:31:18,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:31:18,186 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 20:31:18,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:31:18,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 20:31:18,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:31:18,188 INFO L87 Difference]: Start difference. First operand 160 states and 207 transitions. Second operand has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-11 20:31:18,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:31:18,233 INFO L93 Difference]: Finished difference Result 165 states and 207 transitions. [2024-10-11 20:31:18,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 20:31:18,233 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 47 [2024-10-11 20:31:18,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:31:18,236 INFO L225 Difference]: With dead ends: 165 [2024-10-11 20:31:18,236 INFO L226 Difference]: Without dead ends: 164 [2024-10-11 20:31:18,236 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:31:18,237 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 13 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 20:31:18,237 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 123 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 20:31:18,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2024-10-11 20:31:18,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 160. [2024-10-11 20:31:18,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 109 states have (on average 1.5229357798165137) internal successors, (166), 138 states have internal predecessors, (166), 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) [2024-10-11 20:31:18,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 206 transitions. [2024-10-11 20:31:18,251 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 206 transitions. Word has length 47 [2024-10-11 20:31:18,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:31:18,251 INFO L471 AbstractCegarLoop]: Abstraction has 160 states and 206 transitions. [2024-10-11 20:31:18,252 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-11 20:31:18,252 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 206 transitions. [2024-10-11 20:31:18,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-10-11 20:31:18,254 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:31:18,254 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:31:18,254 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-11 20:31:18,255 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-10-11 20:31:18,255 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:31:18,256 INFO L85 PathProgramCache]: Analyzing trace with hash -981404978, now seen corresponding path program 1 times [2024-10-11 20:31:18,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:31:18,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730988845] [2024-10-11 20:31:18,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:31:18,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:31:18,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:18,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-11 20:31:18,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:18,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-11 20:31:18,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:18,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 20:31:18,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:18,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 20:31:18,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:18,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 20:31:18,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:18,385 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-11 20:31:18,385 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:31:18,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [730988845] [2024-10-11 20:31:18,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [730988845] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:31:18,386 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:31:18,386 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 20:31:18,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103973627] [2024-10-11 20:31:18,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:31:18,389 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:31:18,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:31:18,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:31:18,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:31:18,390 INFO L87 Difference]: Start difference. First operand 160 states and 206 transitions. Second operand has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-10-11 20:31:18,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:31:18,459 INFO L93 Difference]: Finished difference Result 160 states and 206 transitions. [2024-10-11 20:31:18,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:31:18,461 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 47 [2024-10-11 20:31:18,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:31:18,462 INFO L225 Difference]: With dead ends: 160 [2024-10-11 20:31:18,463 INFO L226 Difference]: Without dead ends: 159 [2024-10-11 20:31:18,464 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:31:18,464 INFO L432 NwaCegarLoop]: 40 mSDtfsCounter, 54 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:31:18,465 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 49 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:31:18,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2024-10-11 20:31:18,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 159. [2024-10-11 20:31:18,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 109 states have (on average 1.4862385321100917) internal successors, (162), 137 states have internal predecessors, (162), 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) [2024-10-11 20:31:18,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 202 transitions. [2024-10-11 20:31:18,480 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 202 transitions. Word has length 47 [2024-10-11 20:31:18,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:31:18,481 INFO L471 AbstractCegarLoop]: Abstraction has 159 states and 202 transitions. [2024-10-11 20:31:18,481 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-10-11 20:31:18,481 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 202 transitions. [2024-10-11 20:31:18,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-10-11 20:31:18,482 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:31:18,482 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:31:18,482 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-11 20:31:18,483 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-10-11 20:31:18,483 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:31:18,483 INFO L85 PathProgramCache]: Analyzing trace with hash -358784424, now seen corresponding path program 1 times [2024-10-11 20:31:18,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:31:18,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [713264796] [2024-10-11 20:31:18,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:31:18,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:31:18,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:18,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-11 20:31:18,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:18,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-11 20:31:18,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:18,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 20:31:18,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:18,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 20:31:18,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:18,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 20:31:18,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:18,584 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-11 20:31:18,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:31:18,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [713264796] [2024-10-11 20:31:18,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [713264796] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:31:18,584 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:31:18,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 20:31:18,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450100] [2024-10-11 20:31:18,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:31:18,585 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 20:31:18,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:31:18,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 20:31:18,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 20:31:18,588 INFO L87 Difference]: Start difference. First operand 159 states and 202 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, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-10-11 20:31:18,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:31:18,675 INFO L93 Difference]: Finished difference Result 159 states and 202 transitions. [2024-10-11 20:31:18,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 20:31:18,676 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, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 48 [2024-10-11 20:31:18,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:31:18,677 INFO L225 Difference]: With dead ends: 159 [2024-10-11 20:31:18,677 INFO L226 Difference]: Without dead ends: 158 [2024-10-11 20:31:18,677 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-11 20:31:18,678 INFO L432 NwaCegarLoop]: 61 mSDtfsCounter, 102 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:31:18,678 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 127 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:31:18,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2024-10-11 20:31:18,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 158. [2024-10-11 20:31:18,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 109 states have (on average 1.4678899082568808) internal successors, (160), 136 states have internal predecessors, (160), 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) [2024-10-11 20:31:18,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 200 transitions. [2024-10-11 20:31:18,692 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 200 transitions. Word has length 48 [2024-10-11 20:31:18,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:31:18,692 INFO L471 AbstractCegarLoop]: Abstraction has 158 states and 200 transitions. [2024-10-11 20:31:18,692 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, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-10-11 20:31:18,693 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 200 transitions. [2024-10-11 20:31:18,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-10-11 20:31:18,694 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:31:18,694 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:31:18,696 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-11 20:31:18,696 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-10-11 20:31:18,697 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:31:18,697 INFO L85 PathProgramCache]: Analyzing trace with hash -358783142, now seen corresponding path program 1 times [2024-10-11 20:31:18,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:31:18,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033618826] [2024-10-11 20:31:18,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:31:18,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:31:18,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:18,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-11 20:31:18,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:18,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-11 20:31:18,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:18,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 20:31:18,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:18,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 20:31:18,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:18,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 20:31:18,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:18,812 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-11 20:31:18,813 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:31:18,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2033618826] [2024-10-11 20:31:18,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2033618826] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:31:18,813 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:31:18,813 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 20:31:18,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252605643] [2024-10-11 20:31:18,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:31:18,814 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 20:31:18,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:31:18,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 20:31:18,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-11 20:31:18,815 INFO L87 Difference]: Start difference. First operand 158 states and 200 transitions. Second operand has 6 states, 5 states have (on average 5.2) internal successors, (26), 6 states have internal predecessors, (26), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-11 20:31:19,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:31:19,264 INFO L93 Difference]: Finished difference Result 210 states and 259 transitions. [2024-10-11 20:31:19,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 20:31:19,264 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.2) internal successors, (26), 6 states have internal predecessors, (26), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 48 [2024-10-11 20:31:19,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:31:19,266 INFO L225 Difference]: With dead ends: 210 [2024-10-11 20:31:19,267 INFO L226 Difference]: Without dead ends: 209 [2024-10-11 20:31:19,267 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-10-11 20:31:19,267 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 265 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 265 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 270 SdHoareTripleChecker+Valid, 208 SdHoareTripleChecker+Invalid, 300 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 265 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 20:31:19,268 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [270 Valid, 208 Invalid, 300 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 265 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 20:31:19,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2024-10-11 20:31:19,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 187. [2024-10-11 20:31:19,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 133 states have (on average 1.4511278195488722) internal successors, (193), 160 states have internal predecessors, (193), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-10-11 20:31:19,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 243 transitions. [2024-10-11 20:31:19,286 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 243 transitions. Word has length 48 [2024-10-11 20:31:19,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:31:19,286 INFO L471 AbstractCegarLoop]: Abstraction has 187 states and 243 transitions. [2024-10-11 20:31:19,286 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.2) internal successors, (26), 6 states have internal predecessors, (26), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-11 20:31:19,286 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 243 transitions. [2024-10-11 20:31:19,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-10-11 20:31:19,288 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:31:19,288 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:31:19,288 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-11 20:31:19,289 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-10-11 20:31:19,289 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:31:19,289 INFO L85 PathProgramCache]: Analyzing trace with hash 1762584870, now seen corresponding path program 1 times [2024-10-11 20:31:19,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:31:19,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092532319] [2024-10-11 20:31:19,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:31:19,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:31:19,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:19,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-11 20:31:19,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:19,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-11 20:31:19,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:19,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 20:31:19,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:19,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 20:31:19,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:19,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 20:31:19,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:19,378 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-11 20:31:19,378 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:31:19,378 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2092532319] [2024-10-11 20:31:19,378 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2092532319] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:31:19,378 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:31:19,378 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 20:31:19,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104765293] [2024-10-11 20:31:19,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:31:19,379 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:31:19,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:31:19,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:31:19,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:31:19,379 INFO L87 Difference]: Start difference. First operand 187 states and 243 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-11 20:31:19,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:31:19,532 INFO L93 Difference]: Finished difference Result 208 states and 256 transitions. [2024-10-11 20:31:19,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:31:19,533 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 49 [2024-10-11 20:31:19,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:31:19,534 INFO L225 Difference]: With dead ends: 208 [2024-10-11 20:31:19,534 INFO L226 Difference]: Without dead ends: 206 [2024-10-11 20:31:19,535 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:31:19,535 INFO L432 NwaCegarLoop]: 62 mSDtfsCounter, 48 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 131 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:31:19,535 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 131 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:31:19,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2024-10-11 20:31:19,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 191. [2024-10-11 20:31:19,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191 states, 137 states have (on average 1.437956204379562) internal successors, (197), 164 states have internal predecessors, (197), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-10-11 20:31:19,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 247 transitions. [2024-10-11 20:31:19,550 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 247 transitions. Word has length 49 [2024-10-11 20:31:19,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:31:19,550 INFO L471 AbstractCegarLoop]: Abstraction has 191 states and 247 transitions. [2024-10-11 20:31:19,551 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-11 20:31:19,551 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 247 transitions. [2024-10-11 20:31:19,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-10-11 20:31:19,551 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:31:19,551 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:31:19,551 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-11 20:31:19,552 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-10-11 20:31:19,552 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:31:19,552 INFO L85 PathProgramCache]: Analyzing trace with hash 1051387335, now seen corresponding path program 1 times [2024-10-11 20:31:19,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:31:19,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930936875] [2024-10-11 20:31:19,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:31:19,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:31:19,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:31:19,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1219922844] [2024-10-11 20:31:19,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:31:19,569 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:31:19,569 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:31:19,571 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:31:19,572 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-11 20:31:19,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:19,621 INFO L255 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-11 20:31:19,623 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:31:19,915 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-11 20:31:19,915 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:31:19,916 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:31:19,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930936875] [2024-10-11 20:31:19,916 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:31:19,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1219922844] [2024-10-11 20:31:19,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1219922844] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:31:19,916 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:31:19,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-11 20:31:19,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [547408165] [2024-10-11 20:31:19,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:31:19,917 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 20:31:19,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:31:19,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 20:31:19,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-10-11 20:31:19,917 INFO L87 Difference]: Start difference. First operand 191 states and 247 transitions. Second operand has 7 states, 6 states have (on average 5.333333333333333) internal successors, (32), 7 states have internal predecessors, (32), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-10-11 20:31:20,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:31:20,307 INFO L93 Difference]: Finished difference Result 286 states and 368 transitions. [2024-10-11 20:31:20,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-11 20:31:20,308 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.333333333333333) internal successors, (32), 7 states have internal predecessors, (32), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 59 [2024-10-11 20:31:20,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:31:20,310 INFO L225 Difference]: With dead ends: 286 [2024-10-11 20:31:20,310 INFO L226 Difference]: Without dead ends: 277 [2024-10-11 20:31:20,310 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2024-10-11 20:31:20,311 INFO L432 NwaCegarLoop]: 45 mSDtfsCounter, 233 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 339 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 244 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 377 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 339 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 20:31:20,311 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [244 Valid, 120 Invalid, 377 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 339 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 20:31:20,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2024-10-11 20:31:20,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 257. [2024-10-11 20:31:20,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 257 states, 193 states have (on average 1.4041450777202074) internal successors, (271), 220 states have internal predecessors, (271), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2024-10-11 20:31:20,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 341 transitions. [2024-10-11 20:31:20,343 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 341 transitions. Word has length 59 [2024-10-11 20:31:20,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:31:20,343 INFO L471 AbstractCegarLoop]: Abstraction has 257 states and 341 transitions. [2024-10-11 20:31:20,343 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.333333333333333) internal successors, (32), 7 states have internal predecessors, (32), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-10-11 20:31:20,344 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 341 transitions. [2024-10-11 20:31:20,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-10-11 20:31:20,344 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:31:20,344 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:31:20,363 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-10-11 20:31:20,548 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,8 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:31:20,550 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-10-11 20:31:20,550 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:31:20,550 INFO L85 PathProgramCache]: Analyzing trace with hash -1766730926, now seen corresponding path program 1 times [2024-10-11 20:31:20,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:31:20,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913514990] [2024-10-11 20:31:20,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:31:20,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:31:20,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:31:20,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1548963087] [2024-10-11 20:31:20,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:31:20,565 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:31:20,565 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:31:20,567 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:31:20,569 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-11 20:31:20,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:20,617 INFO L255 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-11 20:31:20,619 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:31:20,889 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-11 20:31:20,889 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:31:21,598 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:31:21,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1913514990] [2024-10-11 20:31:21,599 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:31:21,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1548963087] [2024-10-11 20:31:21,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1548963087] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:31:21,599 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:31:21,599 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-10-11 20:31:21,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691119190] [2024-10-11 20:31:21,599 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:31:21,599 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 20:31:21,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:31:21,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 20:31:21,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-10-11 20:31:21,600 INFO L87 Difference]: Start difference. First operand 257 states and 341 transitions. Second operand has 7 states, 6 states have (on average 5.5) internal successors, (33), 7 states have internal predecessors, (33), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-10-11 20:31:21,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:31:21,967 INFO L93 Difference]: Finished difference Result 343 states and 448 transitions. [2024-10-11 20:31:21,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-11 20:31:21,967 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.5) internal successors, (33), 7 states have internal predecessors, (33), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 60 [2024-10-11 20:31:21,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:31:21,969 INFO L225 Difference]: With dead ends: 343 [2024-10-11 20:31:21,969 INFO L226 Difference]: Without dead ends: 340 [2024-10-11 20:31:21,969 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2024-10-11 20:31:21,970 INFO L432 NwaCegarLoop]: 56 mSDtfsCounter, 189 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 365 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 205 SdHoareTripleChecker+Valid, 169 SdHoareTripleChecker+Invalid, 376 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 365 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 20:31:21,970 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [205 Valid, 169 Invalid, 376 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 365 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 20:31:21,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2024-10-11 20:31:21,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 313. [2024-10-11 20:31:21,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 313 states, 239 states have (on average 1.393305439330544) internal successors, (333), 266 states have internal predecessors, (333), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-10-11 20:31:21,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 423 transitions. [2024-10-11 20:31:21,992 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 423 transitions. Word has length 60 [2024-10-11 20:31:21,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:31:21,992 INFO L471 AbstractCegarLoop]: Abstraction has 313 states and 423 transitions. [2024-10-11 20:31:21,992 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.5) internal successors, (33), 7 states have internal predecessors, (33), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-10-11 20:31:21,992 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 423 transitions. [2024-10-11 20:31:21,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-10-11 20:31:21,994 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:31:21,994 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:31:22,011 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-10-11 20:31:22,198 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-10-11 20:31:22,199 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-10-11 20:31:22,199 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:31:22,199 INFO L85 PathProgramCache]: Analyzing trace with hash 1065916201, now seen corresponding path program 1 times [2024-10-11 20:31:22,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:31:22,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553958133] [2024-10-11 20:31:22,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:31:22,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:31:22,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:22,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-11 20:31:22,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:22,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-11 20:31:22,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:22,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 20:31:22,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:22,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 20:31:22,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:22,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 20:31:22,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:22,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 20:31:22,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:22,308 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-11 20:31:22,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:31:22,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553958133] [2024-10-11 20:31:22,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1553958133] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:31:22,308 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:31:22,308 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 20:31:22,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2036831934] [2024-10-11 20:31:22,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:31:22,309 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 20:31:22,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:31:22,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 20:31:22,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 20:31:22,310 INFO L87 Difference]: Start difference. First operand 313 states and 423 transitions. Second operand has 5 states, 4 states have (on average 8.5) internal successors, (34), 5 states have internal predecessors, (34), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-10-11 20:31:23,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:31:23,328 INFO L93 Difference]: Finished difference Result 444 states and 602 transitions. [2024-10-11 20:31:23,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 20:31:23,329 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.5) internal successors, (34), 5 states have internal predecessors, (34), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 61 [2024-10-11 20:31:23,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:31:23,331 INFO L225 Difference]: With dead ends: 444 [2024-10-11 20:31:23,332 INFO L226 Difference]: Without dead ends: 441 [2024-10-11 20:31:23,332 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-10-11 20:31:23,333 INFO L432 NwaCegarLoop]: 67 mSDtfsCounter, 129 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 239 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 168 SdHoareTripleChecker+Invalid, 263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 239 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-11 20:31:23,333 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 168 Invalid, 263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 239 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-11 20:31:23,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2024-10-11 20:31:23,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 319. [2024-10-11 20:31:23,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 245 states have (on average 1.3673469387755102) internal successors, (335), 270 states have internal predecessors, (335), 47 states have call successors, (47), 1 states have call predecessors, (47), 1 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) [2024-10-11 20:31:23,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 429 transitions. [2024-10-11 20:31:23,357 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 429 transitions. Word has length 61 [2024-10-11 20:31:23,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:31:23,357 INFO L471 AbstractCegarLoop]: Abstraction has 319 states and 429 transitions. [2024-10-11 20:31:23,357 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.5) internal successors, (34), 5 states have internal predecessors, (34), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-10-11 20:31:23,357 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 429 transitions. [2024-10-11 20:31:23,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-10-11 20:31:23,358 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:31:23,358 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:31:23,358 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-11 20:31:23,358 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-10-11 20:31:23,359 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:31:23,359 INFO L85 PathProgramCache]: Analyzing trace with hash 434656326, now seen corresponding path program 1 times [2024-10-11 20:31:23,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:31:23,359 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [176724903] [2024-10-11 20:31:23,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:31:23,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:31:23,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:31:23,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1264547204] [2024-10-11 20:31:23,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:31:23,386 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:31:23,387 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:31:23,388 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:31:23,392 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-11 20:31:23,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:23,436 INFO L255 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-11 20:31:23,440 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:31:23,610 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-11 20:31:23,610 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:31:23,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:31:23,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [176724903] [2024-10-11 20:31:23,611 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:31:23,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1264547204] [2024-10-11 20:31:23,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1264547204] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:31:23,611 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:31:23,611 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-11 20:31:23,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658722240] [2024-10-11 20:31:23,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:31:23,612 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 20:31:23,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:31:23,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 20:31:23,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-11 20:31:23,613 INFO L87 Difference]: Start difference. First operand 319 states and 429 transitions. Second operand has 7 states, 6 states have (on average 5.666666666666667) internal successors, (34), 7 states have internal predecessors, (34), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-10-11 20:31:23,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:31:23,871 INFO L93 Difference]: Finished difference Result 334 states and 453 transitions. [2024-10-11 20:31:23,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 20:31:23,872 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.666666666666667) internal successors, (34), 7 states have internal predecessors, (34), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 61 [2024-10-11 20:31:23,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:31:23,874 INFO L225 Difference]: With dead ends: 334 [2024-10-11 20:31:23,875 INFO L226 Difference]: Without dead ends: 330 [2024-10-11 20:31:23,875 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-11 20:31:23,876 INFO L432 NwaCegarLoop]: 56 mSDtfsCounter, 88 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 312 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 317 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 312 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 20:31:23,876 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 156 Invalid, 317 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 312 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 20:31:23,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2024-10-11 20:31:23,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 315. [2024-10-11 20:31:23,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 315 states, 245 states have (on average 1.3387755102040817) internal successors, (328), 266 states have internal predecessors, (328), 47 states have call successors, (47), 1 states have call predecessors, (47), 1 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) [2024-10-11 20:31:23,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 315 states and 422 transitions. [2024-10-11 20:31:23,901 INFO L78 Accepts]: Start accepts. Automaton has 315 states and 422 transitions. Word has length 61 [2024-10-11 20:31:23,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:31:23,901 INFO L471 AbstractCegarLoop]: Abstraction has 315 states and 422 transitions. [2024-10-11 20:31:23,901 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.666666666666667) internal successors, (34), 7 states have internal predecessors, (34), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-10-11 20:31:23,901 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 422 transitions. [2024-10-11 20:31:23,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-10-11 20:31:23,903 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:31:23,903 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:31:23,920 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-10-11 20:31:24,104 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-10-11 20:31:24,104 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-10-11 20:31:24,105 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:31:24,105 INFO L85 PathProgramCache]: Analyzing trace with hash -1316336076, now seen corresponding path program 1 times [2024-10-11 20:31:24,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:31:24,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573550671] [2024-10-11 20:31:24,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:31:24,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:31:24,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:31:24,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1507494588] [2024-10-11 20:31:24,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:31:24,123 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:31:24,123 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:31:24,125 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:31:24,127 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-10-11 20:31:24,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:24,173 INFO L255 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-11 20:31:24,174 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:31:24,400 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-11 20:31:24,401 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:31:32,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:31:32,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1573550671] [2024-10-11 20:31:32,670 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:31:32,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1507494588] [2024-10-11 20:31:32,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1507494588] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:31:32,670 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:31:32,670 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-10-11 20:31:32,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930363069] [2024-10-11 20:31:32,671 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:31:32,671 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 20:31:32,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:31:32,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 20:31:32,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=81, Unknown=2, NotChecked=0, Total=110 [2024-10-11 20:31:32,672 INFO L87 Difference]: Start difference. First operand 315 states and 422 transitions. Second operand has 7 states, 6 states have (on average 5.833333333333333) internal successors, (35), 7 states have internal predecessors, (35), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-10-11 20:31:33,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:31:33,085 INFO L93 Difference]: Finished difference Result 338 states and 432 transitions. [2024-10-11 20:31:33,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 20:31:33,085 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.833333333333333) internal successors, (35), 7 states have internal predecessors, (35), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 62 [2024-10-11 20:31:33,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:31:33,087 INFO L225 Difference]: With dead ends: 338 [2024-10-11 20:31:33,087 INFO L226 Difference]: Without dead ends: 331 [2024-10-11 20:31:33,087 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 8.3s TimeCoverageRelationStatistics Valid=52, Invalid=156, Unknown=2, NotChecked=0, Total=210 [2024-10-11 20:31:33,088 INFO L432 NwaCegarLoop]: 67 mSDtfsCounter, 229 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 298 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 235 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 327 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 298 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 20:31:33,088 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [235 Valid, 173 Invalid, 327 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 298 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 20:31:33,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2024-10-11 20:31:33,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 313. [2024-10-11 20:31:33,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 313 states, 243 states have (on average 1.3251028806584362) internal successors, (322), 264 states have internal predecessors, (322), 47 states have call successors, (47), 1 states have call predecessors, (47), 1 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) [2024-10-11 20:31:33,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 416 transitions. [2024-10-11 20:31:33,111 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 416 transitions. Word has length 62 [2024-10-11 20:31:33,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:31:33,112 INFO L471 AbstractCegarLoop]: Abstraction has 313 states and 416 transitions. [2024-10-11 20:31:33,112 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.833333333333333) internal successors, (35), 7 states have internal predecessors, (35), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-10-11 20:31:33,112 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 416 transitions. [2024-10-11 20:31:33,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-10-11 20:31:33,113 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:31:33,113 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:31:33,129 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-10-11 20:31:33,316 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,11 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:31:33,316 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-10-11 20:31:33,317 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:31:33,317 INFO L85 PathProgramCache]: Analyzing trace with hash 589444298, now seen corresponding path program 1 times [2024-10-11 20:31:33,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:31:33,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768192231] [2024-10-11 20:31:33,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:31:33,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:31:33,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:31:33,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [185474850] [2024-10-11 20:31:33,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:31:33,330 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:31:33,330 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:31:33,332 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:31:33,333 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-10-11 20:31:33,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:33,378 INFO L255 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-11 20:31:33,380 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:31:33,524 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-11 20:31:33,524 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:31:33,825 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:31:33,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [768192231] [2024-10-11 20:31:33,825 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:31:33,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [185474850] [2024-10-11 20:31:33,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [185474850] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:31:33,826 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:31:33,826 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-10-11 20:31:33,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007141112] [2024-10-11 20:31:33,826 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:31:33,827 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 20:31:33,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:31:33,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 20:31:33,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-10-11 20:31:33,828 INFO L87 Difference]: Start difference. First operand 313 states and 416 transitions. Second operand has 7 states, 6 states have (on average 5.833333333333333) internal successors, (35), 7 states have internal predecessors, (35), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-10-11 20:31:34,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:31:34,138 INFO L93 Difference]: Finished difference Result 507 states and 707 transitions. [2024-10-11 20:31:34,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 20:31:34,139 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.833333333333333) internal successors, (35), 7 states have internal predecessors, (35), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 62 [2024-10-11 20:31:34,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:31:34,141 INFO L225 Difference]: With dead ends: 507 [2024-10-11 20:31:34,141 INFO L226 Difference]: Without dead ends: 503 [2024-10-11 20:31:34,142 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-10-11 20:31:34,143 INFO L432 NwaCegarLoop]: 68 mSDtfsCounter, 114 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 389 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 214 SdHoareTripleChecker+Invalid, 394 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 389 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 20:31:34,143 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 214 Invalid, 394 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 389 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 20:31:34,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 503 states. [2024-10-11 20:31:34,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 503 to 407. [2024-10-11 20:31:34,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 407 states, 321 states have (on average 1.3146417445482865) internal successors, (422), 342 states have internal predecessors, (422), 63 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 63 states have call predecessors, (63), 63 states have call successors, (63) [2024-10-11 20:31:34,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 548 transitions. [2024-10-11 20:31:34,179 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 548 transitions. Word has length 62 [2024-10-11 20:31:34,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:31:34,180 INFO L471 AbstractCegarLoop]: Abstraction has 407 states and 548 transitions. [2024-10-11 20:31:34,180 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.833333333333333) internal successors, (35), 7 states have internal predecessors, (35), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-10-11 20:31:34,180 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 548 transitions. [2024-10-11 20:31:34,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-10-11 20:31:34,180 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:31:34,181 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:31:34,196 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-10-11 20:31:34,381 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,12 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:31:34,381 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-10-11 20:31:34,382 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:31:34,382 INFO L85 PathProgramCache]: Analyzing trace with hash 462041167, now seen corresponding path program 1 times [2024-10-11 20:31:34,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:31:34,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [539206711] [2024-10-11 20:31:34,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:31:34,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:31:34,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:34,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-11 20:31:34,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:34,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-11 20:31:34,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:34,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 20:31:34,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:34,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 20:31:34,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:34,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 20:31:34,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:34,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 20:31:34,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:34,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 20:31:34,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:34,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 20:31:34,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:34,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-11 20:31:34,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:34,476 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-10-11 20:31:34,476 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:31:34,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [539206711] [2024-10-11 20:31:34,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [539206711] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:31:34,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1328558241] [2024-10-11 20:31:34,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:31:34,477 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:31:34,477 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:31:34,479 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:31:34,480 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-10-11 20:31:34,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:34,525 INFO L255 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 20:31:34,537 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:31:34,585 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-10-11 20:31:34,585 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:31:34,722 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-10-11 20:31:34,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1328558241] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:31:34,722 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:31:34,723 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-10-11 20:31:34,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502588678] [2024-10-11 20:31:34,723 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:31:34,723 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 20:31:34,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:31:34,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 20:31:34,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-10-11 20:31:34,724 INFO L87 Difference]: Start difference. First operand 407 states and 548 transitions. Second operand has 8 states, 7 states have (on average 9.571428571428571) internal successors, (67), 8 states have internal predecessors, (67), 7 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 7 states have call predecessors, (16), 7 states have call successors, (16) [2024-10-11 20:31:35,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:31:35,544 INFO L93 Difference]: Finished difference Result 645 states and 882 transitions. [2024-10-11 20:31:35,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 20:31:35,545 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 9.571428571428571) internal successors, (67), 8 states have internal predecessors, (67), 7 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 7 states have call predecessors, (16), 7 states have call successors, (16) Word has length 82 [2024-10-11 20:31:35,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:31:35,548 INFO L225 Difference]: With dead ends: 645 [2024-10-11 20:31:35,548 INFO L226 Difference]: Without dead ends: 643 [2024-10-11 20:31:35,549 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90 [2024-10-11 20:31:35,549 INFO L432 NwaCegarLoop]: 74 mSDtfsCounter, 356 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 262 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 369 SdHoareTripleChecker+Valid, 234 SdHoareTripleChecker+Invalid, 287 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-11 20:31:35,549 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [369 Valid, 234 Invalid, 287 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 262 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-11 20:31:35,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 643 states. [2024-10-11 20:31:35,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 643 to 546. [2024-10-11 20:31:35,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 546 states, 433 states have (on average 1.3117782909930715) internal successors, (568), 453 states have internal predecessors, (568), 91 states have call successors, (91), 1 states have call predecessors, (91), 1 states have return successors, (91), 91 states have call predecessors, (91), 91 states have call successors, (91) [2024-10-11 20:31:35,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 546 states and 750 transitions. [2024-10-11 20:31:35,613 INFO L78 Accepts]: Start accepts. Automaton has 546 states and 750 transitions. Word has length 82 [2024-10-11 20:31:35,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:31:35,614 INFO L471 AbstractCegarLoop]: Abstraction has 546 states and 750 transitions. [2024-10-11 20:31:35,614 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 9.571428571428571) internal successors, (67), 8 states have internal predecessors, (67), 7 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 7 states have call predecessors, (16), 7 states have call successors, (16) [2024-10-11 20:31:35,614 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 750 transitions. [2024-10-11 20:31:35,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-10-11 20:31:35,615 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:31:35,615 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:31:35,632 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-10-11 20:31:35,815 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,13 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:31:35,816 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-10-11 20:31:35,816 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:31:35,816 INFO L85 PathProgramCache]: Analyzing trace with hash 1438374384, now seen corresponding path program 1 times [2024-10-11 20:31:35,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:31:35,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872597420] [2024-10-11 20:31:35,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:31:35,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:31:35,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:35,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-11 20:31:35,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:35,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-11 20:31:35,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:35,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 20:31:35,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:35,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 20:31:35,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:35,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 20:31:35,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:35,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 20:31:35,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:35,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 20:31:35,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:35,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 20:31:35,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:35,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-11 20:31:35,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:35,903 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-10-11 20:31:35,903 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:31:35,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872597420] [2024-10-11 20:31:35,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [872597420] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:31:35,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1474162105] [2024-10-11 20:31:35,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:31:35,904 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:31:35,904 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:31:35,905 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:31:35,907 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-10-11 20:31:35,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:35,952 INFO L255 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 20:31:35,953 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:31:36,005 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-10-11 20:31:36,005 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:31:36,125 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-10-11 20:31:36,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1474162105] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:31:36,126 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:31:36,126 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 10 [2024-10-11 20:31:36,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395210633] [2024-10-11 20:31:36,126 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:31:36,127 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-11 20:31:36,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:31:36,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-11 20:31:36,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2024-10-11 20:31:36,128 INFO L87 Difference]: Start difference. First operand 546 states and 750 transitions. Second operand has 11 states, 10 states have (on average 10.2) internal successors, (102), 11 states have internal predecessors, (102), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) [2024-10-11 20:31:36,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:31:36,949 INFO L93 Difference]: Finished difference Result 661 states and 878 transitions. [2024-10-11 20:31:36,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-11 20:31:36,950 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 10.2) internal successors, (102), 11 states have internal predecessors, (102), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) Word has length 83 [2024-10-11 20:31:36,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:31:36,953 INFO L225 Difference]: With dead ends: 661 [2024-10-11 20:31:36,954 INFO L226 Difference]: Without dead ends: 659 [2024-10-11 20:31:36,954 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=165, Invalid=341, Unknown=0, NotChecked=0, Total=506 [2024-10-11 20:31:36,955 INFO L432 NwaCegarLoop]: 67 mSDtfsCounter, 671 mSDsluCounter, 261 mSDsCounter, 0 mSdLazyCounter, 383 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 674 SdHoareTripleChecker+Valid, 328 SdHoareTripleChecker+Invalid, 469 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 383 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-11 20:31:36,955 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [674 Valid, 328 Invalid, 469 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 383 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-11 20:31:36,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 659 states. [2024-10-11 20:31:37,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 659 to 548. [2024-10-11 20:31:37,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 548 states, 436 states have (on average 1.261467889908257) internal successors, (550), 455 states have internal predecessors, (550), 91 states have call successors, (91), 1 states have call predecessors, (91), 1 states have return successors, (91), 91 states have call predecessors, (91), 91 states have call successors, (91) [2024-10-11 20:31:37,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 548 states and 732 transitions. [2024-10-11 20:31:37,010 INFO L78 Accepts]: Start accepts. Automaton has 548 states and 732 transitions. Word has length 83 [2024-10-11 20:31:37,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:31:37,010 INFO L471 AbstractCegarLoop]: Abstraction has 548 states and 732 transitions. [2024-10-11 20:31:37,011 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 10.2) internal successors, (102), 11 states have internal predecessors, (102), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) [2024-10-11 20:31:37,011 INFO L276 IsEmpty]: Start isEmpty. Operand 548 states and 732 transitions. [2024-10-11 20:31:37,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-10-11 20:31:37,012 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:31:37,012 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:31:37,028 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-10-11 20:31:37,216 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,14 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:31:37,217 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-10-11 20:31:37,217 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:31:37,217 INFO L85 PathProgramCache]: Analyzing trace with hash -701683128, now seen corresponding path program 1 times [2024-10-11 20:31:37,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:31:37,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489942713] [2024-10-11 20:31:37,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:31:37,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:31:37,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:37,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-11 20:31:37,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:37,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-11 20:31:37,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:37,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 20:31:37,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:37,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 20:31:37,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:37,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 20:31:37,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:37,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 20:31:37,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:37,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 20:31:37,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:37,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 20:31:37,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:37,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-11 20:31:37,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:37,291 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-10-11 20:31:37,291 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:31:37,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [489942713] [2024-10-11 20:31:37,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [489942713] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:31:37,292 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:31:37,292 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 20:31:37,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689911432] [2024-10-11 20:31:37,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:31:37,292 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:31:37,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:31:37,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:31:37,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:31:37,293 INFO L87 Difference]: Start difference. First operand 548 states and 732 transitions. Second operand has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-10-11 20:31:37,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:31:37,373 INFO L93 Difference]: Finished difference Result 548 states and 732 transitions. [2024-10-11 20:31:37,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:31:37,374 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 85 [2024-10-11 20:31:37,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:31:37,376 INFO L225 Difference]: With dead ends: 548 [2024-10-11 20:31:37,376 INFO L226 Difference]: Without dead ends: 547 [2024-10-11 20:31:37,377 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 20:31:37,377 INFO L432 NwaCegarLoop]: 58 mSDtfsCounter, 18 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 20:31:37,377 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 122 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 20:31:37,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 547 states. [2024-10-11 20:31:37,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 547 to 547. [2024-10-11 20:31:37,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 547 states, 436 states have (on average 1.2522935779816513) internal successors, (546), 454 states have internal predecessors, (546), 91 states have call successors, (91), 1 states have call predecessors, (91), 1 states have return successors, (91), 91 states have call predecessors, (91), 91 states have call successors, (91) [2024-10-11 20:31:37,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 547 states and 728 transitions. [2024-10-11 20:31:37,436 INFO L78 Accepts]: Start accepts. Automaton has 547 states and 728 transitions. Word has length 85 [2024-10-11 20:31:37,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:31:37,437 INFO L471 AbstractCegarLoop]: Abstraction has 547 states and 728 transitions. [2024-10-11 20:31:37,437 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-10-11 20:31:37,437 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 728 transitions. [2024-10-11 20:31:37,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-10-11 20:31:37,438 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:31:37,438 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:31:37,439 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-10-11 20:31:37,439 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-10-11 20:31:37,439 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:31:37,439 INFO L85 PathProgramCache]: Analyzing trace with hash -7616566, now seen corresponding path program 1 times [2024-10-11 20:31:37,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:31:37,439 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [658538658] [2024-10-11 20:31:37,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:31:37,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:31:37,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:37,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-11 20:31:37,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:37,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-11 20:31:37,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:37,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 20:31:37,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:37,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 20:31:37,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:37,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 20:31:37,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:37,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 20:31:37,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:37,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 20:31:37,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:37,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 20:31:37,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:37,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-11 20:31:37,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:37,558 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-10-11 20:31:37,558 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:31:37,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [658538658] [2024-10-11 20:31:37,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [658538658] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:31:37,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [589875759] [2024-10-11 20:31:37,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:31:37,559 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:31:37,559 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:31:37,561 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:31:37,563 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-10-11 20:31:37,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:37,619 INFO L255 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 20:31:37,620 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:31:37,755 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-10-11 20:31:37,755 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:31:37,755 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [589875759] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:31:37,756 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:31:37,756 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2024-10-11 20:31:37,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688188061] [2024-10-11 20:31:37,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:31:37,756 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 20:31:37,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:31:37,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 20:31:37,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-10-11 20:31:37,757 INFO L87 Difference]: Start difference. First operand 547 states and 728 transitions. Second operand has 5 states, 4 states have (on average 11.25) internal successors, (45), 5 states have internal predecessors, (45), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-10-11 20:31:38,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:31:38,082 INFO L93 Difference]: Finished difference Result 558 states and 747 transitions. [2024-10-11 20:31:38,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 20:31:38,083 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.25) internal successors, (45), 5 states have internal predecessors, (45), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 87 [2024-10-11 20:31:38,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:31:38,086 INFO L225 Difference]: With dead ends: 558 [2024-10-11 20:31:38,086 INFO L226 Difference]: Without dead ends: 557 [2024-10-11 20:31:38,086 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-10-11 20:31:38,087 INFO L432 NwaCegarLoop]: 65 mSDtfsCounter, 40 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 162 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 133 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 20:31:38,087 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 133 Invalid, 165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 162 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 20:31:38,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 557 states. [2024-10-11 20:31:38,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 557 to 546. [2024-10-11 20:31:38,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 546 states, 436 states have (on average 1.2454128440366972) internal successors, (543), 453 states have internal predecessors, (543), 91 states have call successors, (91), 1 states have call predecessors, (91), 1 states have return successors, (91), 91 states have call predecessors, (91), 91 states have call successors, (91) [2024-10-11 20:31:38,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 546 states and 725 transitions. [2024-10-11 20:31:38,143 INFO L78 Accepts]: Start accepts. Automaton has 546 states and 725 transitions. Word has length 87 [2024-10-11 20:31:38,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:31:38,143 INFO L471 AbstractCegarLoop]: Abstraction has 546 states and 725 transitions. [2024-10-11 20:31:38,143 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.25) internal successors, (45), 5 states have internal predecessors, (45), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-10-11 20:31:38,143 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 725 transitions. [2024-10-11 20:31:38,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-10-11 20:31:38,144 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:31:38,144 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:31:38,161 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-10-11 20:31:38,344 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2024-10-11 20:31:38,353 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-10-11 20:31:38,353 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:31:38,353 INFO L85 PathProgramCache]: Analyzing trace with hash -236113418, now seen corresponding path program 1 times [2024-10-11 20:31:38,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:31:38,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909293953] [2024-10-11 20:31:38,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:31:38,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:31:38,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:38,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-11 20:31:38,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:38,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-11 20:31:38,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:38,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 20:31:38,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:38,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 20:31:38,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:38,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 20:31:38,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:38,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 20:31:38,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:38,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 20:31:38,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:38,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 20:31:38,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:38,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-11 20:31:38,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:38,480 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-10-11 20:31:38,480 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:31:38,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [909293953] [2024-10-11 20:31:38,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [909293953] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:31:38,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [351859869] [2024-10-11 20:31:38,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:31:38,480 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:31:38,480 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:31:38,482 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:31:38,483 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-10-11 20:31:38,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:38,532 INFO L255 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 20:31:38,534 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:31:38,668 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-10-11 20:31:38,668 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:31:38,795 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-10-11 20:31:38,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [351859869] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:31:38,795 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:31:38,795 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 10 [2024-10-11 20:31:38,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1506490057] [2024-10-11 20:31:38,796 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:31:38,796 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-11 20:31:38,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:31:38,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-11 20:31:38,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2024-10-11 20:31:38,797 INFO L87 Difference]: Start difference. First operand 546 states and 725 transitions. Second operand has 11 states, 10 states have (on average 12.8) internal successors, (128), 11 states have internal predecessors, (128), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) [2024-10-11 20:31:39,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:31:39,337 INFO L93 Difference]: Finished difference Result 748 states and 1002 transitions. [2024-10-11 20:31:39,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-11 20:31:39,341 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 12.8) internal successors, (128), 11 states have internal predecessors, (128), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) Word has length 88 [2024-10-11 20:31:39,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:31:39,347 INFO L225 Difference]: With dead ends: 748 [2024-10-11 20:31:39,347 INFO L226 Difference]: Without dead ends: 746 [2024-10-11 20:31:39,348 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=141, Unknown=0, NotChecked=0, Total=240 [2024-10-11 20:31:39,348 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 210 mSDsluCounter, 251 mSDsCounter, 0 mSdLazyCounter, 392 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 217 SdHoareTripleChecker+Valid, 286 SdHoareTripleChecker+Invalid, 433 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 392 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 20:31:39,348 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [217 Valid, 286 Invalid, 433 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 392 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 20:31:39,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 746 states. [2024-10-11 20:31:39,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 746 to 622. [2024-10-11 20:31:39,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 622 states, 503 states have (on average 1.2385685884691848) internal successors, (623), 520 states have internal predecessors, (623), 100 states have call successors, (100), 1 states have call predecessors, (100), 1 states have return successors, (100), 100 states have call predecessors, (100), 100 states have call successors, (100) [2024-10-11 20:31:39,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 622 states and 823 transitions. [2024-10-11 20:31:39,405 INFO L78 Accepts]: Start accepts. Automaton has 622 states and 823 transitions. Word has length 88 [2024-10-11 20:31:39,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:31:39,406 INFO L471 AbstractCegarLoop]: Abstraction has 622 states and 823 transitions. [2024-10-11 20:31:39,406 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 12.8) internal successors, (128), 11 states have internal predecessors, (128), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) [2024-10-11 20:31:39,406 INFO L276 IsEmpty]: Start isEmpty. Operand 622 states and 823 transitions. [2024-10-11 20:31:39,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-10-11 20:31:39,407 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:31:39,407 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1] [2024-10-11 20:31:39,424 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-10-11 20:31:39,607 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-10-11 20:31:39,607 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-10-11 20:31:39,608 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:31:39,608 INFO L85 PathProgramCache]: Analyzing trace with hash -1172861137, now seen corresponding path program 1 times [2024-10-11 20:31:39,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:31:39,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045410357] [2024-10-11 20:31:39,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:31:39,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:31:39,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:39,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-11 20:31:39,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:39,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-11 20:31:39,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:39,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 20:31:39,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:39,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 20:31:39,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:39,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 20:31:39,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:39,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 20:31:39,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:39,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 20:31:39,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:39,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 20:31:39,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:39,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 20:31:39,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:39,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-11 20:31:39,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:39,742 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-10-11 20:31:39,742 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:31:39,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1045410357] [2024-10-11 20:31:39,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1045410357] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:31:39,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [970595899] [2024-10-11 20:31:39,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:31:39,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:31:39,743 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:31:39,744 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:31:39,746 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-10-11 20:31:39,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:39,796 INFO L255 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-11 20:31:39,798 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:31:39,909 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-10-11 20:31:39,909 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:31:40,086 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 13 proven. 10 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-10-11 20:31:40,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [970595899] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:31:40,086 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:31:40,086 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 9 [2024-10-11 20:31:40,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126126336] [2024-10-11 20:31:40,087 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:31:40,087 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-11 20:31:40,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:31:40,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-11 20:31:40,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-10-11 20:31:40,088 INFO L87 Difference]: Start difference. First operand 622 states and 823 transitions. Second operand has 10 states, 9 states have (on average 9.333333333333334) internal successors, (84), 10 states have internal predecessors, (84), 7 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 7 states have call predecessors, (18), 7 states have call successors, (18) [2024-10-11 20:31:40,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:31:40,550 INFO L93 Difference]: Finished difference Result 626 states and 823 transitions. [2024-10-11 20:31:40,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-11 20:31:40,551 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 9.333333333333334) internal successors, (84), 10 states have internal predecessors, (84), 7 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 7 states have call predecessors, (18), 7 states have call successors, (18) Word has length 95 [2024-10-11 20:31:40,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:31:40,554 INFO L225 Difference]: With dead ends: 626 [2024-10-11 20:31:40,554 INFO L226 Difference]: Without dead ends: 625 [2024-10-11 20:31:40,555 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 203 SyntacticMatches, 2 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=103, Invalid=239, Unknown=0, NotChecked=0, Total=342 [2024-10-11 20:31:40,555 INFO L432 NwaCegarLoop]: 68 mSDtfsCounter, 237 mSDsluCounter, 198 mSDsCounter, 0 mSdLazyCounter, 394 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 237 SdHoareTripleChecker+Valid, 266 SdHoareTripleChecker+Invalid, 432 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 394 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 20:31:40,555 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [237 Valid, 266 Invalid, 432 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 394 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 20:31:40,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 625 states. [2024-10-11 20:31:40,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 625 to 592. [2024-10-11 20:31:40,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 592 states, 479 states have (on average 1.231732776617954) internal successors, (590), 495 states have internal predecessors, (590), 95 states have call successors, (95), 1 states have call predecessors, (95), 1 states have return successors, (95), 95 states have call predecessors, (95), 95 states have call successors, (95) [2024-10-11 20:31:40,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 592 states and 780 transitions. [2024-10-11 20:31:40,622 INFO L78 Accepts]: Start accepts. Automaton has 592 states and 780 transitions. Word has length 95 [2024-10-11 20:31:40,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:31:40,623 INFO L471 AbstractCegarLoop]: Abstraction has 592 states and 780 transitions. [2024-10-11 20:31:40,623 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 9.333333333333334) internal successors, (84), 10 states have internal predecessors, (84), 7 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 7 states have call predecessors, (18), 7 states have call successors, (18) [2024-10-11 20:31:40,623 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 780 transitions. [2024-10-11 20:31:40,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-10-11 20:31:40,624 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:31:40,624 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:31:40,642 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-10-11 20:31:40,824 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-10-11 20:31:40,824 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-10-11 20:31:40,825 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:31:40,825 INFO L85 PathProgramCache]: Analyzing trace with hash -1616066709, now seen corresponding path program 1 times [2024-10-11 20:31:40,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:31:40,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2113159766] [2024-10-11 20:31:40,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:31:40,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:31:40,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:31:40,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2056921713] [2024-10-11 20:31:40,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:31:40,840 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:31:40,840 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:31:40,841 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:31:40,843 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-10-11 20:31:40,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:40,897 INFO L255 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-11 20:31:40,898 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:31:41,339 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 5 proven. 13 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-10-11 20:31:41,339 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:31:41,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:31:41,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2113159766] [2024-10-11 20:31:41,473 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:31:41,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2056921713] [2024-10-11 20:31:41,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2056921713] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:31:41,473 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:31:41,473 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-10-11 20:31:41,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811615874] [2024-10-11 20:31:41,474 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:31:41,474 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-11 20:31:41,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:31:41,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-11 20:31:41,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2024-10-11 20:31:41,475 INFO L87 Difference]: Start difference. First operand 592 states and 780 transitions. Second operand has 10 states, 9 states have (on average 5.555555555555555) internal successors, (50), 10 states have internal predecessors, (50), 5 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) [2024-10-11 20:31:42,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:31:42,333 INFO L93 Difference]: Finished difference Result 1060 states and 1434 transitions. [2024-10-11 20:31:42,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-11 20:31:42,334 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 5.555555555555555) internal successors, (50), 10 states have internal predecessors, (50), 5 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) Word has length 97 [2024-10-11 20:31:42,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:31:42,339 INFO L225 Difference]: With dead ends: 1060 [2024-10-11 20:31:42,339 INFO L226 Difference]: Without dead ends: 1057 [2024-10-11 20:31:42,339 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=106, Invalid=236, Unknown=0, NotChecked=0, Total=342 [2024-10-11 20:31:42,340 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 206 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 967 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 213 SdHoareTripleChecker+Valid, 235 SdHoareTripleChecker+Invalid, 1006 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 967 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-11 20:31:42,340 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [213 Valid, 235 Invalid, 1006 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 967 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-11 20:31:42,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1057 states. [2024-10-11 20:31:42,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1057 to 634. [2024-10-11 20:31:42,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 634 states, 512 states have (on average 1.236328125) internal successors, (633), 528 states have internal predecessors, (633), 104 states have call successors, (104), 1 states have call predecessors, (104), 1 states have return successors, (104), 104 states have call predecessors, (104), 104 states have call successors, (104) [2024-10-11 20:31:42,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 634 states and 841 transitions. [2024-10-11 20:31:42,418 INFO L78 Accepts]: Start accepts. Automaton has 634 states and 841 transitions. Word has length 97 [2024-10-11 20:31:42,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:31:42,418 INFO L471 AbstractCegarLoop]: Abstraction has 634 states and 841 transitions. [2024-10-11 20:31:42,419 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 5.555555555555555) internal successors, (50), 10 states have internal predecessors, (50), 5 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) [2024-10-11 20:31:42,419 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 841 transitions. [2024-10-11 20:31:42,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-10-11 20:31:42,419 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:31:42,420 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:31:42,437 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-10-11 20:31:42,624 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26,18 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:31:42,625 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-10-11 20:31:42,625 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:31:42,625 INFO L85 PathProgramCache]: Analyzing trace with hash 1441539630, now seen corresponding path program 1 times [2024-10-11 20:31:42,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:31:42,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338838304] [2024-10-11 20:31:42,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:31:42,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:31:42,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:31:42,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1046202370] [2024-10-11 20:31:42,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:31:42,644 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:31:42,644 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:31:42,645 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:31:42,647 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-10-11 20:31:42,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:42,700 INFO L255 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-11 20:31:42,702 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:31:43,147 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-10-11 20:31:43,147 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:31:43,621 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:31:43,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [338838304] [2024-10-11 20:31:43,621 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:31:43,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1046202370] [2024-10-11 20:31:43,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1046202370] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:31:43,622 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:31:43,622 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-10-11 20:31:43,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218507092] [2024-10-11 20:31:43,622 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:31:43,622 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-11 20:31:43,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:31:43,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-11 20:31:43,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2024-10-11 20:31:43,623 INFO L87 Difference]: Start difference. First operand 634 states and 841 transitions. Second operand has 10 states, 9 states have (on average 5.666666666666667) internal successors, (51), 10 states have internal predecessors, (51), 5 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) [2024-10-11 20:31:44,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:31:44,153 INFO L93 Difference]: Finished difference Result 725 states and 953 transitions. [2024-10-11 20:31:44,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-11 20:31:44,154 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 5.666666666666667) internal successors, (51), 10 states have internal predecessors, (51), 5 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) Word has length 98 [2024-10-11 20:31:44,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:31:44,157 INFO L225 Difference]: With dead ends: 725 [2024-10-11 20:31:44,157 INFO L226 Difference]: Without dead ends: 722 [2024-10-11 20:31:44,158 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2024-10-11 20:31:44,158 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 76 mSDsluCounter, 171 mSDsCounter, 0 mSdLazyCounter, 589 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 240 SdHoareTripleChecker+Invalid, 591 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 589 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-11 20:31:44,158 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 240 Invalid, 591 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 589 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-11 20:31:44,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 722 states. [2024-10-11 20:31:44,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 722 to 701. [2024-10-11 20:31:44,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 701 states, 567 states have (on average 1.2328042328042328) internal successors, (699), 583 states have internal predecessors, (699), 116 states have call successors, (116), 1 states have call predecessors, (116), 1 states have return successors, (116), 116 states have call predecessors, (116), 116 states have call successors, (116) [2024-10-11 20:31:44,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 701 states to 701 states and 931 transitions. [2024-10-11 20:31:44,230 INFO L78 Accepts]: Start accepts. Automaton has 701 states and 931 transitions. Word has length 98 [2024-10-11 20:31:44,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:31:44,231 INFO L471 AbstractCegarLoop]: Abstraction has 701 states and 931 transitions. [2024-10-11 20:31:44,231 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 5.666666666666667) internal successors, (51), 10 states have internal predecessors, (51), 5 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) [2024-10-11 20:31:44,231 INFO L276 IsEmpty]: Start isEmpty. Operand 701 states and 931 transitions. [2024-10-11 20:31:44,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-10-11 20:31:44,232 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:31:44,232 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:31:44,248 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2024-10-11 20:31:44,436 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2024-10-11 20:31:44,437 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-10-11 20:31:44,437 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:31:44,437 INFO L85 PathProgramCache]: Analyzing trace with hash 1738055629, now seen corresponding path program 1 times [2024-10-11 20:31:44,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:31:44,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851093197] [2024-10-11 20:31:44,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:31:44,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:31:44,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:44,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-11 20:31:44,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:44,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-11 20:31:44,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:44,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 20:31:44,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:44,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 20:31:44,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:44,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 20:31:44,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:44,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 20:31:44,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:44,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 20:31:44,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:44,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 20:31:44,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:44,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-11 20:31:44,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:44,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 20:31:44,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:44,592 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-10-11 20:31:44,592 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:31:44,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1851093197] [2024-10-11 20:31:44,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1851093197] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:31:44,593 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:31:44,593 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 20:31:44,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811561142] [2024-10-11 20:31:44,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:31:44,593 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 20:31:44,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:31:44,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 20:31:44,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-11 20:31:44,594 INFO L87 Difference]: Start difference. First operand 701 states and 931 transitions. Second operand has 6 states, 5 states have (on average 10.4) internal successors, (52), 6 states have internal predecessors, (52), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-10-11 20:31:45,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:31:45,369 INFO L93 Difference]: Finished difference Result 705 states and 931 transitions. [2024-10-11 20:31:45,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-11 20:31:45,369 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.4) internal successors, (52), 6 states have internal predecessors, (52), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 99 [2024-10-11 20:31:45,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:31:45,372 INFO L225 Difference]: With dead ends: 705 [2024-10-11 20:31:45,373 INFO L226 Difference]: Without dead ends: 704 [2024-10-11 20:31:45,376 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2024-10-11 20:31:45,376 INFO L432 NwaCegarLoop]: 52 mSDtfsCounter, 85 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-11 20:31:45,377 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 161 Invalid, 212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 199 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-11 20:31:45,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 704 states. [2024-10-11 20:31:45,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 704 to 670. [2024-10-11 20:31:45,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 670 states, 539 states have (on average 1.228200371057514) internal successors, (662), 554 states have internal predecessors, (662), 114 states have call successors, (114), 1 states have call predecessors, (114), 1 states have return successors, (114), 114 states have call predecessors, (114), 114 states have call successors, (114) [2024-10-11 20:31:45,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 670 states and 890 transitions. [2024-10-11 20:31:45,452 INFO L78 Accepts]: Start accepts. Automaton has 670 states and 890 transitions. Word has length 99 [2024-10-11 20:31:45,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:31:45,453 INFO L471 AbstractCegarLoop]: Abstraction has 670 states and 890 transitions. [2024-10-11 20:31:45,453 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.4) internal successors, (52), 6 states have internal predecessors, (52), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-10-11 20:31:45,453 INFO L276 IsEmpty]: Start isEmpty. Operand 670 states and 890 transitions. [2024-10-11 20:31:45,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-10-11 20:31:45,454 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:31:45,454 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:31:45,454 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-10-11 20:31:45,454 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-10-11 20:31:45,455 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:31:45,455 INFO L85 PathProgramCache]: Analyzing trace with hash -1954850288, now seen corresponding path program 1 times [2024-10-11 20:31:45,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:31:45,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2102137173] [2024-10-11 20:31:45,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:31:45,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:31:45,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:31:45,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1447053035] [2024-10-11 20:31:45,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:31:45,471 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:31:45,471 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:31:45,473 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:31:45,474 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-10-11 20:31:45,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:45,526 INFO L255 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-10-11 20:31:45,528 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:31:45,888 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-10-11 20:31:45,888 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:31:50,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:31:50,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2102137173] [2024-10-11 20:31:50,224 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:31:50,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1447053035] [2024-10-11 20:31:50,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1447053035] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:31:50,224 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:31:50,224 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-10-11 20:31:50,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534925011] [2024-10-11 20:31:50,225 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:31:50,225 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 20:31:50,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:31:50,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 20:31:50,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=164, Unknown=1, NotChecked=0, Total=210 [2024-10-11 20:31:50,226 INFO L87 Difference]: Start difference. First operand 670 states and 890 transitions. Second operand has 9 states, 8 states have (on average 6.625) internal successors, (53), 9 states have internal predecessors, (53), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-10-11 20:31:50,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:31:50,866 INFO L93 Difference]: Finished difference Result 686 states and 896 transitions. [2024-10-11 20:31:50,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 20:31:50,867 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 6.625) internal successors, (53), 9 states have internal predecessors, (53), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 100 [2024-10-11 20:31:50,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:31:50,870 INFO L225 Difference]: With dead ends: 686 [2024-10-11 20:31:50,870 INFO L226 Difference]: Without dead ends: 679 [2024-10-11 20:31:50,871 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=90, Invalid=329, Unknown=1, NotChecked=0, Total=420 [2024-10-11 20:31:50,871 INFO L432 NwaCegarLoop]: 70 mSDtfsCounter, 178 mSDsluCounter, 188 mSDsCounter, 0 mSdLazyCounter, 580 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 258 SdHoareTripleChecker+Invalid, 603 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 580 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-11 20:31:50,871 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [184 Valid, 258 Invalid, 603 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 580 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-11 20:31:50,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 679 states. [2024-10-11 20:31:50,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 679 to 554. [2024-10-11 20:31:50,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 554 states, 444 states have (on average 1.231981981981982) internal successors, (547), 459 states have internal predecessors, (547), 93 states have call successors, (93), 1 states have call predecessors, (93), 1 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2024-10-11 20:31:50,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 554 states and 733 transitions. [2024-10-11 20:31:50,939 INFO L78 Accepts]: Start accepts. Automaton has 554 states and 733 transitions. Word has length 100 [2024-10-11 20:31:50,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:31:50,940 INFO L471 AbstractCegarLoop]: Abstraction has 554 states and 733 transitions. [2024-10-11 20:31:50,940 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 6.625) internal successors, (53), 9 states have internal predecessors, (53), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-10-11 20:31:50,940 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 733 transitions. [2024-10-11 20:31:50,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-10-11 20:31:50,941 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:31:50,941 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:31:50,959 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-10-11 20:31:51,145 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,20 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:31:51,146 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-10-11 20:31:51,146 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:31:51,146 INFO L85 PathProgramCache]: Analyzing trace with hash -49069914, now seen corresponding path program 2 times [2024-10-11 20:31:51,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:31:51,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305526073] [2024-10-11 20:31:51,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:31:51,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:31:51,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:31:51,163 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1768535440] [2024-10-11 20:31:51,163 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-11 20:31:51,163 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:31:51,163 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:31:51,165 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:31:51,167 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-10-11 20:31:51,275 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-11 20:31:51,276 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 20:31:51,277 INFO L255 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-10-11 20:31:51,279 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:31:51,515 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2024-10-11 20:31:51,515 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:31:51,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:31:51,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [305526073] [2024-10-11 20:31:51,805 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:31:51,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1768535440] [2024-10-11 20:31:51,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1768535440] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:31:51,805 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:31:51,805 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-10-11 20:31:51,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087037818] [2024-10-11 20:31:51,806 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:31:51,806 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-11 20:31:51,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:31:51,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-11 20:31:51,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2024-10-11 20:31:51,807 INFO L87 Difference]: Start difference. First operand 554 states and 733 transitions. Second operand has 11 states, 10 states have (on average 5.6) internal successors, (56), 11 states have internal predecessors, (56), 5 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 5 states have call successors, (10) [2024-10-11 20:31:52,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:31:52,318 INFO L93 Difference]: Finished difference Result 749 states and 1003 transitions. [2024-10-11 20:31:52,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-11 20:31:52,318 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 5.6) internal successors, (56), 11 states have internal predecessors, (56), 5 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 5 states have call successors, (10) Word has length 100 [2024-10-11 20:31:52,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:31:52,321 INFO L225 Difference]: With dead ends: 749 [2024-10-11 20:31:52,321 INFO L226 Difference]: Without dead ends: 745 [2024-10-11 20:31:52,322 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2024-10-11 20:31:52,322 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 154 mSDsluCounter, 198 mSDsCounter, 0 mSdLazyCounter, 831 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 176 SdHoareTripleChecker+Valid, 245 SdHoareTripleChecker+Invalid, 844 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 831 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 20:31:52,322 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [176 Valid, 245 Invalid, 844 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 831 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 20:31:52,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 745 states. [2024-10-11 20:31:52,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 745 to 554. [2024-10-11 20:31:52,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 554 states, 444 states have (on average 1.204954954954955) internal successors, (535), 459 states have internal predecessors, (535), 93 states have call successors, (93), 1 states have call predecessors, (93), 1 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2024-10-11 20:31:52,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 554 states and 721 transitions. [2024-10-11 20:31:52,382 INFO L78 Accepts]: Start accepts. Automaton has 554 states and 721 transitions. Word has length 100 [2024-10-11 20:31:52,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:31:52,382 INFO L471 AbstractCegarLoop]: Abstraction has 554 states and 721 transitions. [2024-10-11 20:31:52,382 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 5.6) internal successors, (56), 11 states have internal predecessors, (56), 5 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 5 states have call successors, (10) [2024-10-11 20:31:52,382 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 721 transitions. [2024-10-11 20:31:52,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-10-11 20:31:52,383 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:31:52,384 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2024-10-11 20:31:52,392 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-10-11 20:31:52,585 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,21 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:31:52,585 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-10-11 20:31:52,585 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:31:52,585 INFO L85 PathProgramCache]: Analyzing trace with hash 1747837863, now seen corresponding path program 2 times [2024-10-11 20:31:52,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:31:52,586 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600367079] [2024-10-11 20:31:52,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:31:52,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:31:52,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:52,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-11 20:31:52,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:52,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-11 20:31:52,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:52,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 20:31:52,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:52,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 20:31:52,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:52,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 20:31:52,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:52,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 20:31:52,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:52,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 20:31:52,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:52,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 20:31:52,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:52,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 20:31:52,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:52,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-11 20:31:52,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:52,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-11 20:31:52,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:52,663 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-10-11 20:31:52,663 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:31:52,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1600367079] [2024-10-11 20:31:52,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1600367079] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:31:52,664 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:31:52,664 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 20:31:52,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257542348] [2024-10-11 20:31:52,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:31:52,664 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 20:31:52,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:31:52,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 20:31:52,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 20:31:52,665 INFO L87 Difference]: Start difference. First operand 554 states and 721 transitions. Second operand has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2024-10-11 20:31:53,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:31:53,173 INFO L93 Difference]: Finished difference Result 981 states and 1278 transitions. [2024-10-11 20:31:53,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 20:31:53,174 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) Word has length 107 [2024-10-11 20:31:53,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:31:53,177 INFO L225 Difference]: With dead ends: 981 [2024-10-11 20:31:53,177 INFO L226 Difference]: Without dead ends: 596 [2024-10-11 20:31:53,181 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-10-11 20:31:53,183 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 29 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 210 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 210 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 20:31:53,183 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 121 Invalid, 213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 210 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 20:31:53,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 596 states. [2024-10-11 20:31:53,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 596 to 590. [2024-10-11 20:31:53,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 590 states, 476 states have (on average 1.203781512605042) internal successors, (573), 491 states have internal predecessors, (573), 97 states have call successors, (97), 1 states have call predecessors, (97), 1 states have return successors, (97), 97 states have call predecessors, (97), 97 states have call successors, (97) [2024-10-11 20:31:53,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 590 states and 767 transitions. [2024-10-11 20:31:53,251 INFO L78 Accepts]: Start accepts. Automaton has 590 states and 767 transitions. Word has length 107 [2024-10-11 20:31:53,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:31:53,251 INFO L471 AbstractCegarLoop]: Abstraction has 590 states and 767 transitions. [2024-10-11 20:31:53,251 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2024-10-11 20:31:53,252 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states and 767 transitions. [2024-10-11 20:31:53,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-10-11 20:31:53,253 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:31:53,254 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:31:53,254 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-10-11 20:31:53,254 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-10-11 20:31:53,254 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:31:53,255 INFO L85 PathProgramCache]: Analyzing trace with hash -706982385, now seen corresponding path program 2 times [2024-10-11 20:31:53,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:31:53,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964357613] [2024-10-11 20:31:53,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:31:53,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:31:53,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:31:53,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [326860979] [2024-10-11 20:31:53,279 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-11 20:31:53,279 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:31:53,279 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:31:53,281 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:31:53,282 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-10-11 20:31:53,342 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-11 20:31:53,342 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 20:31:53,346 INFO L255 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-11 20:31:53,348 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:31:53,736 INFO L134 CoverageAnalysis]: Checked inductivity of 417 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-10-11 20:31:53,737 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:31:53,737 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:31:53,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1964357613] [2024-10-11 20:31:53,737 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:31:53,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [326860979] [2024-10-11 20:31:53,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [326860979] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:31:53,737 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:31:53,737 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-11 20:31:53,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559616574] [2024-10-11 20:31:53,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:31:53,738 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-11 20:31:53,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:31:53,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-11 20:31:53,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-10-11 20:31:53,739 INFO L87 Difference]: Start difference. First operand 590 states and 767 transitions. Second operand has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 6 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) [2024-10-11 20:31:54,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:31:54,159 INFO L93 Difference]: Finished difference Result 775 states and 1020 transitions. [2024-10-11 20:31:54,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-11 20:31:54,159 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 6 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) Word has length 135 [2024-10-11 20:31:54,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:31:54,162 INFO L225 Difference]: With dead ends: 775 [2024-10-11 20:31:54,163 INFO L226 Difference]: Without dead ends: 772 [2024-10-11 20:31:54,163 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=95, Unknown=0, NotChecked=0, Total=156 [2024-10-11 20:31:54,163 INFO L432 NwaCegarLoop]: 118 mSDtfsCounter, 169 mSDsluCounter, 188 mSDsCounter, 0 mSdLazyCounter, 544 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 177 SdHoareTripleChecker+Valid, 306 SdHoareTripleChecker+Invalid, 565 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 544 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 20:31:54,164 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [177 Valid, 306 Invalid, 565 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 544 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 20:31:54,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 772 states. [2024-10-11 20:31:54,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 772 to 443. [2024-10-11 20:31:54,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 443 states, 355 states have (on average 1.1605633802816901) internal successors, (412), 367 states have internal predecessors, (412), 74 states have call successors, (74), 1 states have call predecessors, (74), 1 states have return successors, (74), 74 states have call predecessors, (74), 74 states have call successors, (74) [2024-10-11 20:31:54,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 560 transitions. [2024-10-11 20:31:54,222 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 560 transitions. Word has length 135 [2024-10-11 20:31:54,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:31:54,223 INFO L471 AbstractCegarLoop]: Abstraction has 443 states and 560 transitions. [2024-10-11 20:31:54,223 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 6 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) [2024-10-11 20:31:54,223 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 560 transitions. [2024-10-11 20:31:54,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-10-11 20:31:54,227 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:31:54,227 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:31:54,245 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2024-10-11 20:31:54,427 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2024-10-11 20:31:54,429 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-10-11 20:31:54,429 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:31:54,429 INFO L85 PathProgramCache]: Analyzing trace with hash -441617398, now seen corresponding path program 2 times [2024-10-11 20:31:54,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:31:54,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1056607982] [2024-10-11 20:31:54,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:31:54,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:31:54,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:31:54,452 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [199415952] [2024-10-11 20:31:54,452 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-11 20:31:54,452 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:31:54,452 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:31:54,455 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:31:54,456 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-10-11 20:31:54,514 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-11 20:31:54,514 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 20:31:54,515 INFO L255 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-11 20:31:54,516 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:31:54,865 INFO L134 CoverageAnalysis]: Checked inductivity of 418 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-10-11 20:31:54,865 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:31:55,404 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:31:55,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1056607982] [2024-10-11 20:31:55,405 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:31:55,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [199415952] [2024-10-11 20:31:55,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [199415952] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:31:55,405 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:31:55,405 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-10-11 20:31:55,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121910002] [2024-10-11 20:31:55,405 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:31:55,406 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-11 20:31:55,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:31:55,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-11 20:31:55,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-10-11 20:31:55,406 INFO L87 Difference]: Start difference. First operand 443 states and 560 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 6 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) [2024-10-11 20:31:55,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:31:55,659 INFO L93 Difference]: Finished difference Result 528 states and 666 transitions. [2024-10-11 20:31:55,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-11 20:31:55,660 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 6 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) Word has length 136 [2024-10-11 20:31:55,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:31:55,663 INFO L225 Difference]: With dead ends: 528 [2024-10-11 20:31:55,663 INFO L226 Difference]: Without dead ends: 525 [2024-10-11 20:31:55,663 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2024-10-11 20:31:55,664 INFO L432 NwaCegarLoop]: 45 mSDtfsCounter, 170 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 374 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 183 SdHoareTripleChecker+Invalid, 388 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 374 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 20:31:55,664 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [184 Valid, 183 Invalid, 388 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 374 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 20:31:55,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 525 states. [2024-10-11 20:31:55,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 525 to 510. [2024-10-11 20:31:55,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 510 states, 410 states have (on average 1.1585365853658536) internal successors, (475), 422 states have internal predecessors, (475), 86 states have call successors, (86), 1 states have call predecessors, (86), 1 states have return successors, (86), 86 states have call predecessors, (86), 86 states have call successors, (86) [2024-10-11 20:31:55,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 510 states and 647 transitions. [2024-10-11 20:31:55,729 INFO L78 Accepts]: Start accepts. Automaton has 510 states and 647 transitions. Word has length 136 [2024-10-11 20:31:55,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:31:55,729 INFO L471 AbstractCegarLoop]: Abstraction has 510 states and 647 transitions. [2024-10-11 20:31:55,730 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 6 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) [2024-10-11 20:31:55,730 INFO L276 IsEmpty]: Start isEmpty. Operand 510 states and 647 transitions. [2024-10-11 20:31:55,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-10-11 20:31:55,731 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:31:55,731 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1] [2024-10-11 20:31:55,747 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2024-10-11 20:31:55,932 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,23 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:31:55,932 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-10-11 20:31:55,932 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:31:55,932 INFO L85 PathProgramCache]: Analyzing trace with hash 807444716, now seen corresponding path program 2 times [2024-10-11 20:31:55,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:31:55,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447453625] [2024-10-11 20:31:55,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:31:55,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:31:55,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:31:55,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1979986190] [2024-10-11 20:31:55,947 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-11 20:31:55,947 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:31:55,947 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:31:55,948 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:31:55,950 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-10-11 20:31:56,010 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-11 20:31:56,011 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 20:31:56,017 INFO L255 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-10-11 20:31:56,019 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:31:56,431 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-10-11 20:31:56,431 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:32:02,041 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:32:02,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [447453625] [2024-10-11 20:32:02,041 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:32:02,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1979986190] [2024-10-11 20:32:02,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1979986190] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:32:02,041 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:32:02,041 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-10-11 20:32:02,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281704845] [2024-10-11 20:32:02,042 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:32:02,042 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-11 20:32:02,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:32:02,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-11 20:32:02,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=361, Unknown=1, NotChecked=0, Total=462 [2024-10-11 20:32:02,043 INFO L87 Difference]: Start difference. First operand 510 states and 647 transitions. Second operand has 12 states, 11 states have (on average 6.454545454545454) internal successors, (71), 12 states have internal predecessors, (71), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2024-10-11 20:32:02,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:32:02,605 INFO L93 Difference]: Finished difference Result 530 states and 657 transitions. [2024-10-11 20:32:02,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-11 20:32:02,606 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.454545454545454) internal successors, (71), 12 states have internal predecessors, (71), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) Word has length 138 [2024-10-11 20:32:02,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:32:02,608 INFO L225 Difference]: With dead ends: 530 [2024-10-11 20:32:02,608 INFO L226 Difference]: Without dead ends: 523 [2024-10-11 20:32:02,610 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 257 GetRequests, 236 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 132 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=116, Invalid=389, Unknown=1, NotChecked=0, Total=506 [2024-10-11 20:32:02,611 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 86 mSDsluCounter, 178 mSDsCounter, 0 mSdLazyCounter, 867 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 254 SdHoareTripleChecker+Invalid, 871 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 867 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-11 20:32:02,611 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 254 Invalid, 871 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 867 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-11 20:32:02,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 523 states. [2024-10-11 20:32:02,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 523 to 394. [2024-10-11 20:32:02,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 394 states, 315 states have (on average 1.1523809523809523) internal successors, (363), 327 states have internal predecessors, (363), 65 states have call successors, (65), 1 states have call predecessors, (65), 1 states have return successors, (65), 65 states have call predecessors, (65), 65 states have call successors, (65) [2024-10-11 20:32:02,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 493 transitions. [2024-10-11 20:32:02,659 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 493 transitions. Word has length 138 [2024-10-11 20:32:02,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:32:02,659 INFO L471 AbstractCegarLoop]: Abstraction has 394 states and 493 transitions. [2024-10-11 20:32:02,659 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.454545454545454) internal successors, (71), 12 states have internal predecessors, (71), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2024-10-11 20:32:02,659 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 493 transitions. [2024-10-11 20:32:02,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-10-11 20:32:02,661 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:32:02,661 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:32:02,678 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2024-10-11 20:32:02,861 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,24 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:32:02,862 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-10-11 20:32:02,862 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:32:02,862 INFO L85 PathProgramCache]: Analyzing trace with hash -1581742206, now seen corresponding path program 3 times [2024-10-11 20:32:02,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:32:02,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764847178] [2024-10-11 20:32:02,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:32:02,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:32:02,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:32:02,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1777180876] [2024-10-11 20:32:02,886 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-11 20:32:02,886 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:32:02,886 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:32:02,888 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:32:02,889 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-10-11 20:32:02,931 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-10-11 20:32:02,932 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 20:32:02,933 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-10-11 20:32:02,935 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:32:03,248 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 45 proven. 17 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2024-10-11 20:32:03,248 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:32:11,572 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:32:11,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764847178] [2024-10-11 20:32:11,573 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:32:11,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1777180876] [2024-10-11 20:32:11,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1777180876] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:32:11,573 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:32:11,573 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-10-11 20:32:11,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769186407] [2024-10-11 20:32:11,573 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:32:11,574 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-11 20:32:11,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:32:11,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-11 20:32:11,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=122, Unknown=2, NotChecked=0, Total=156 [2024-10-11 20:32:11,574 INFO L87 Difference]: Start difference. First operand 394 states and 493 transitions. Second operand has 10 states, 9 states have (on average 5.0) internal successors, (45), 10 states have internal predecessors, (45), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-11 20:32:12,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:32:12,271 INFO L93 Difference]: Finished difference Result 480 states and 602 transitions. [2024-10-11 20:32:12,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-11 20:32:12,272 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 5.0) internal successors, (45), 10 states have internal predecessors, (45), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 138 [2024-10-11 20:32:12,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:32:12,274 INFO L225 Difference]: With dead ends: 480 [2024-10-11 20:32:12,274 INFO L226 Difference]: Without dead ends: 476 [2024-10-11 20:32:12,275 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 8.3s TimeCoverageRelationStatistics Valid=85, Invalid=255, Unknown=2, NotChecked=0, Total=342 [2024-10-11 20:32:12,275 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 255 mSDsluCounter, 180 mSDsCounter, 0 mSdLazyCounter, 596 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 261 SdHoareTripleChecker+Valid, 222 SdHoareTripleChecker+Invalid, 644 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 596 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-11 20:32:12,275 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [261 Valid, 222 Invalid, 644 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 596 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-11 20:32:12,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 476 states. [2024-10-11 20:32:12,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 476 to 390. [2024-10-11 20:32:12,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 390 states, 311 states have (on average 1.1414790996784565) internal successors, (355), 323 states have internal predecessors, (355), 65 states have call successors, (65), 1 states have call predecessors, (65), 1 states have return successors, (65), 65 states have call predecessors, (65), 65 states have call successors, (65) [2024-10-11 20:32:12,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 390 states and 485 transitions. [2024-10-11 20:32:12,319 INFO L78 Accepts]: Start accepts. Automaton has 390 states and 485 transitions. Word has length 138 [2024-10-11 20:32:12,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:32:12,319 INFO L471 AbstractCegarLoop]: Abstraction has 390 states and 485 transitions. [2024-10-11 20:32:12,319 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 5.0) internal successors, (45), 10 states have internal predecessors, (45), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-11 20:32:12,319 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 485 transitions. [2024-10-11 20:32:12,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-10-11 20:32:12,320 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:32:12,320 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:32:12,338 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2024-10-11 20:32:12,524 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2024-10-11 20:32:12,525 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-10-11 20:32:12,525 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:32:12,525 INFO L85 PathProgramCache]: Analyzing trace with hash 129002827, now seen corresponding path program 3 times [2024-10-11 20:32:12,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:32:12,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186135273] [2024-10-11 20:32:12,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:32:12,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:32:12,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:32:12,551 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1706654116] [2024-10-11 20:32:12,555 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-11 20:32:12,555 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:32:12,555 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:32:12,557 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:32:12,562 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-10-11 20:32:12,664 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-10-11 20:32:12,664 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 20:32:12,665 INFO L255 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-10-11 20:32:12,667 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:32:13,670 INFO L134 CoverageAnalysis]: Checked inductivity of 485 backedges. 99 proven. 61 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2024-10-11 20:32:13,670 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:32:14,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:32:14,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186135273] [2024-10-11 20:32:14,844 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:32:14,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1706654116] [2024-10-11 20:32:14,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1706654116] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:32:14,845 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:32:14,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2024-10-11 20:32:14,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942761152] [2024-10-11 20:32:14,845 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:32:14,845 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-11 20:32:14,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:32:14,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-11 20:32:14,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=272, Unknown=0, NotChecked=0, Total=342 [2024-10-11 20:32:14,846 INFO L87 Difference]: Start difference. First operand 390 states and 485 transitions. Second operand has 13 states, 12 states have (on average 5.583333333333333) internal successors, (67), 13 states have internal predecessors, (67), 4 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-10-11 20:32:17,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:32:17,021 INFO L93 Difference]: Finished difference Result 410 states and 509 transitions. [2024-10-11 20:32:17,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-11 20:32:17,021 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.583333333333333) internal successors, (67), 13 states have internal predecessors, (67), 4 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) Word has length 145 [2024-10-11 20:32:17,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:32:17,023 INFO L225 Difference]: With dead ends: 410 [2024-10-11 20:32:17,028 INFO L226 Difference]: Without dead ends: 394 [2024-10-11 20:32:17,029 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=234, Invalid=758, Unknown=0, NotChecked=0, Total=992 [2024-10-11 20:32:17,029 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 223 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 368 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 223 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 424 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 368 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-10-11 20:32:17,029 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [223 Valid, 123 Invalid, 424 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 368 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-10-11 20:32:17,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394 states. [2024-10-11 20:32:17,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394 to 326. [2024-10-11 20:32:17,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 326 states, 264 states have (on average 1.0795454545454546) internal successors, (285), 271 states have internal predecessors, (285), 53 states have call successors, (53), 1 states have call predecessors, (53), 1 states have return successors, (53), 53 states have call predecessors, (53), 53 states have call successors, (53) [2024-10-11 20:32:17,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 326 states and 391 transitions. [2024-10-11 20:32:17,094 INFO L78 Accepts]: Start accepts. Automaton has 326 states and 391 transitions. Word has length 145 [2024-10-11 20:32:17,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:32:17,095 INFO L471 AbstractCegarLoop]: Abstraction has 326 states and 391 transitions. [2024-10-11 20:32:17,095 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.583333333333333) internal successors, (67), 13 states have internal predecessors, (67), 4 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-10-11 20:32:17,095 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 391 transitions. [2024-10-11 20:32:17,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-10-11 20:32:17,096 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:32:17,096 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:32:17,104 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2024-10-11 20:32:17,296 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2024-10-11 20:32:17,297 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-10-11 20:32:17,297 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:32:17,297 INFO L85 PathProgramCache]: Analyzing trace with hash -582332947, now seen corresponding path program 3 times [2024-10-11 20:32:17,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:32:17,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572304034] [2024-10-11 20:32:17,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:32:17,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:32:17,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:32:17,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [380295177] [2024-10-11 20:32:17,311 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-11 20:32:17,311 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:32:17,311 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:32:17,312 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:32:17,313 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-10-11 20:32:17,368 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-10-11 20:32:17,368 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 20:32:17,369 INFO L255 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-10-11 20:32:17,371 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:32:17,654 INFO L134 CoverageAnalysis]: Checked inductivity of 489 backedges. 66 proven. 64 refuted. 0 times theorem prover too weak. 359 trivial. 0 not checked. [2024-10-11 20:32:17,655 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:32:17,882 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:32:17,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [572304034] [2024-10-11 20:32:17,882 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:32:17,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [380295177] [2024-10-11 20:32:17,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [380295177] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:32:17,883 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:32:17,883 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-10-11 20:32:17,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427900249] [2024-10-11 20:32:17,883 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:32:17,883 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-11 20:32:17,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:32:17,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-11 20:32:17,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2024-10-11 20:32:17,884 INFO L87 Difference]: Start difference. First operand 326 states and 391 transitions. Second operand has 11 states, 10 states have (on average 6.6) internal successors, (66), 11 states have internal predecessors, (66), 4 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 4 states have call successors, (12) [2024-10-11 20:32:18,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:32:18,567 INFO L93 Difference]: Finished difference Result 329 states and 394 transitions. [2024-10-11 20:32:18,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-11 20:32:18,567 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.6) internal successors, (66), 11 states have internal predecessors, (66), 4 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 4 states have call successors, (12) Word has length 147 [2024-10-11 20:32:18,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:32:18,569 INFO L225 Difference]: With dead ends: 329 [2024-10-11 20:32:18,569 INFO L226 Difference]: Without dead ends: 316 [2024-10-11 20:32:18,569 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 183 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=143, Invalid=507, Unknown=0, NotChecked=0, Total=650 [2024-10-11 20:32:18,570 INFO L432 NwaCegarLoop]: 13 mSDtfsCounter, 159 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 288 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 331 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 288 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-11 20:32:18,570 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [159 Valid, 77 Invalid, 331 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 288 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-11 20:32:18,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 316 states. [2024-10-11 20:32:18,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 316 to 301. [2024-10-11 20:32:18,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 242 states have (on average 1.0743801652892562) internal successors, (260), 248 states have internal predecessors, (260), 51 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2024-10-11 20:32:18,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 362 transitions. [2024-10-11 20:32:18,616 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 362 transitions. Word has length 147 [2024-10-11 20:32:18,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:32:18,616 INFO L471 AbstractCegarLoop]: Abstraction has 301 states and 362 transitions. [2024-10-11 20:32:18,616 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.6) internal successors, (66), 11 states have internal predecessors, (66), 4 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 4 states have call successors, (12) [2024-10-11 20:32:18,616 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 362 transitions. [2024-10-11 20:32:18,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2024-10-11 20:32:18,617 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:32:18,617 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:32:18,630 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2024-10-11 20:32:18,818 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2024-10-11 20:32:18,818 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-10-11 20:32:18,818 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:32:18,818 INFO L85 PathProgramCache]: Analyzing trace with hash 777106147, now seen corresponding path program 2 times [2024-10-11 20:32:18,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:32:18,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586126675] [2024-10-11 20:32:18,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:32:18,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:32:18,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:18,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-11 20:32:18,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:18,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-11 20:32:18,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:18,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 20:32:18,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:18,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 20:32:18,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:18,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 20:32:18,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:18,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 20:32:18,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:18,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 20:32:18,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:18,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 20:32:18,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:18,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-11 20:32:18,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:18,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-11 20:32:18,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:18,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-11 20:32:18,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:18,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-11 20:32:18,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:18,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-11 20:32:18,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:18,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-11 20:32:18,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:18,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-11 20:32:18,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:18,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-11 20:32:18,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:18,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-11 20:32:19,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:19,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-11 20:32:19,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:19,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-11 20:32:19,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:19,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-11 20:32:19,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:19,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-11 20:32:19,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:19,011 INFO L134 CoverageAnalysis]: Checked inductivity of 1016 backedges. 0 proven. 176 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-10-11 20:32:19,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:32:19,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [586126675] [2024-10-11 20:32:19,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [586126675] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:32:19,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1683302235] [2024-10-11 20:32:19,012 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-11 20:32:19,012 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:32:19,012 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:32:19,014 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:32:19,015 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-10-11 20:32:19,087 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-11 20:32:19,088 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 20:32:19,089 INFO L255 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-11 20:32:19,092 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:32:19,219 INFO L134 CoverageAnalysis]: Checked inductivity of 1016 backedges. 0 proven. 176 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-10-11 20:32:19,219 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:32:19,477 INFO L134 CoverageAnalysis]: Checked inductivity of 1016 backedges. 0 proven. 176 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-10-11 20:32:19,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1683302235] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:32:19,477 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:32:19,477 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2024-10-11 20:32:19,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623982741] [2024-10-11 20:32:19,477 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:32:19,478 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-11 20:32:19,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:32:19,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-11 20:32:19,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=105, Unknown=0, NotChecked=0, Total=182 [2024-10-11 20:32:19,479 INFO L87 Difference]: Start difference. First operand 301 states and 362 transitions. Second operand has 14 states, 13 states have (on average 13.461538461538462) internal successors, (175), 14 states have internal predecessors, (175), 13 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 13 states have call predecessors, (40), 13 states have call successors, (40) [2024-10-11 20:32:20,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:32:20,039 INFO L93 Difference]: Finished difference Result 767 states and 919 transitions. [2024-10-11 20:32:20,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-11 20:32:20,039 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 13.461538461538462) internal successors, (175), 14 states have internal predecessors, (175), 13 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 13 states have call predecessors, (40), 13 states have call successors, (40) Word has length 196 [2024-10-11 20:32:20,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:32:20,042 INFO L225 Difference]: With dead ends: 767 [2024-10-11 20:32:20,042 INFO L226 Difference]: Without dead ends: 766 [2024-10-11 20:32:20,042 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 441 GetRequests, 427 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=97, Invalid=143, Unknown=0, NotChecked=0, Total=240 [2024-10-11 20:32:20,043 INFO L432 NwaCegarLoop]: 53 mSDtfsCounter, 377 mSDsluCounter, 288 mSDsCounter, 0 mSdLazyCounter, 255 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 402 SdHoareTripleChecker+Valid, 341 SdHoareTripleChecker+Invalid, 286 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 255 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-11 20:32:20,043 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [402 Valid, 341 Invalid, 286 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 255 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-11 20:32:20,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 766 states. [2024-10-11 20:32:20,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 766 to 564. [2024-10-11 20:32:20,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 564 states, 457 states have (on average 1.1159737417943107) internal successors, (510), 463 states have internal predecessors, (510), 99 states have call successors, (99), 1 states have call predecessors, (99), 1 states have return successors, (99), 99 states have call predecessors, (99), 99 states have call successors, (99) [2024-10-11 20:32:20,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 564 states and 708 transitions. [2024-10-11 20:32:20,110 INFO L78 Accepts]: Start accepts. Automaton has 564 states and 708 transitions. Word has length 196 [2024-10-11 20:32:20,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:32:20,110 INFO L471 AbstractCegarLoop]: Abstraction has 564 states and 708 transitions. [2024-10-11 20:32:20,110 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 13.461538461538462) internal successors, (175), 14 states have internal predecessors, (175), 13 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 13 states have call predecessors, (40), 13 states have call successors, (40) [2024-10-11 20:32:20,110 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 708 transitions. [2024-10-11 20:32:20,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2024-10-11 20:32:20,112 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:32:20,112 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-10-11 20:32:20,127 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2024-10-11 20:32:20,312 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38,28 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:32:20,313 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-10-11 20:32:20,313 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:32:20,313 INFO L85 PathProgramCache]: Analyzing trace with hash -1448699253, now seen corresponding path program 1 times [2024-10-11 20:32:20,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:32:20,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [85237487] [2024-10-11 20:32:20,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:32:20,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:32:20,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:20,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-11 20:32:20,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:20,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-11 20:32:20,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:20,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 20:32:20,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:20,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 20:32:20,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:20,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 20:32:20,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:20,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 20:32:20,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:20,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 20:32:20,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:20,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 20:32:20,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:20,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-11 20:32:20,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:20,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 20:32:20,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:20,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-11 20:32:20,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:20,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-11 20:32:20,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:20,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-11 20:32:20,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:20,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 20:32:20,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:20,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 20:32:20,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:20,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-11 20:32:20,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:20,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-11 20:32:20,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:20,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-11 20:32:20,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:20,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-11 20:32:20,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:20,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-11 20:32:20,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:20,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-11 20:32:20,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:20,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-11 20:32:20,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:20,543 INFO L134 CoverageAnalysis]: Checked inductivity of 1095 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-10-11 20:32:20,543 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:32:20,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [85237487] [2024-10-11 20:32:20,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [85237487] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:32:20,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [984444748] [2024-10-11 20:32:20,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:32:20,544 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:32:20,544 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:32:20,545 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:32:20,547 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-10-11 20:32:20,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:20,619 INFO L255 TraceCheckSpWp]: Trace formula consists of 358 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-11 20:32:20,622 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:32:20,749 INFO L134 CoverageAnalysis]: Checked inductivity of 1095 backedges. 558 proven. 39 refuted. 0 times theorem prover too weak. 498 trivial. 0 not checked. [2024-10-11 20:32:20,749 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:32:20,954 INFO L134 CoverageAnalysis]: Checked inductivity of 1095 backedges. 110 proven. 39 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-10-11 20:32:20,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [984444748] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:32:20,954 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:32:20,955 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 15 [2024-10-11 20:32:20,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130911087] [2024-10-11 20:32:20,955 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:32:20,955 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-11 20:32:20,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:32:20,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-11 20:32:20,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2024-10-11 20:32:20,957 INFO L87 Difference]: Start difference. First operand 564 states and 708 transitions. Second operand has 15 states, 15 states have (on average 12.8) internal successors, (192), 15 states have internal predecessors, (192), 13 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 13 states have call predecessors, (44), 13 states have call successors, (44) [2024-10-11 20:32:21,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:32:21,697 INFO L93 Difference]: Finished difference Result 923 states and 1159 transitions. [2024-10-11 20:32:21,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-11 20:32:21,698 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 12.8) internal successors, (192), 15 states have internal predecessors, (192), 13 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 13 states have call predecessors, (44), 13 states have call successors, (44) Word has length 211 [2024-10-11 20:32:21,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:32:21,700 INFO L225 Difference]: With dead ends: 923 [2024-10-11 20:32:21,700 INFO L226 Difference]: Without dead ends: 603 [2024-10-11 20:32:21,702 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 489 GetRequests, 457 SyntacticMatches, 4 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 230 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=183, Invalid=687, Unknown=0, NotChecked=0, Total=870 [2024-10-11 20:32:21,702 INFO L432 NwaCegarLoop]: 52 mSDtfsCounter, 172 mSDsluCounter, 367 mSDsCounter, 0 mSdLazyCounter, 835 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 179 SdHoareTripleChecker+Valid, 419 SdHoareTripleChecker+Invalid, 875 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 835 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-11 20:32:21,702 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [179 Valid, 419 Invalid, 875 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 835 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-11 20:32:21,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 603 states. [2024-10-11 20:32:21,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 603 to 595. [2024-10-11 20:32:21,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 595 states, 483 states have (on average 1.1097308488612836) internal successors, (536), 489 states have internal predecessors, (536), 104 states have call successors, (104), 1 states have call predecessors, (104), 1 states have return successors, (104), 104 states have call predecessors, (104), 104 states have call successors, (104) [2024-10-11 20:32:21,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 595 states and 744 transitions. [2024-10-11 20:32:21,775 INFO L78 Accepts]: Start accepts. Automaton has 595 states and 744 transitions. Word has length 211 [2024-10-11 20:32:21,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:32:21,775 INFO L471 AbstractCegarLoop]: Abstraction has 595 states and 744 transitions. [2024-10-11 20:32:21,775 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 12.8) internal successors, (192), 15 states have internal predecessors, (192), 13 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 13 states have call predecessors, (44), 13 states have call successors, (44) [2024-10-11 20:32:21,775 INFO L276 IsEmpty]: Start isEmpty. Operand 595 states and 744 transitions. [2024-10-11 20:32:21,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2024-10-11 20:32:21,776 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:32:21,777 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-10-11 20:32:21,792 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2024-10-11 20:32:21,980 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2024-10-11 20:32:21,981 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-10-11 20:32:21,981 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:32:21,981 INFO L85 PathProgramCache]: Analyzing trace with hash 867583387, now seen corresponding path program 2 times [2024-10-11 20:32:21,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:32:21,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874016388] [2024-10-11 20:32:21,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:32:21,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:32:21,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:22,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-11 20:32:22,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:22,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-11 20:32:22,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:22,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 20:32:22,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:22,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 20:32:22,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:22,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 20:32:22,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:22,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 20:32:22,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:22,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 20:32:22,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:22,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 20:32:22,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:22,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-11 20:32:22,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:22,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-11 20:32:22,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:22,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-11 20:32:22,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:22,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-11 20:32:22,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:22,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-11 20:32:22,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:22,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-11 20:32:22,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:22,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-11 20:32:22,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:22,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-11 20:32:22,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:22,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-11 20:32:22,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:22,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-11 20:32:22,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:22,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-11 20:32:22,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:22,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-11 20:32:22,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:22,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-11 20:32:22,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:22,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-11 20:32:22,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:22,216 INFO L134 CoverageAnalysis]: Checked inductivity of 1095 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-10-11 20:32:22,217 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:32:22,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1874016388] [2024-10-11 20:32:22,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1874016388] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:32:22,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1683963211] [2024-10-11 20:32:22,217 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-11 20:32:22,217 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:32:22,217 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:32:22,219 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:32:22,221 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-10-11 20:32:22,297 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-11 20:32:22,297 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 20:32:22,300 INFO L255 TraceCheckSpWp]: Trace formula consists of 358 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-11 20:32:22,303 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:32:22,636 INFO L134 CoverageAnalysis]: Checked inductivity of 1095 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-10-11 20:32:22,636 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:32:22,925 INFO L134 CoverageAnalysis]: Checked inductivity of 1095 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-10-11 20:32:22,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1683963211] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:32:22,925 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:32:22,925 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 21 [2024-10-11 20:32:22,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180913473] [2024-10-11 20:32:22,925 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:32:22,926 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-10-11 20:32:22,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:32:22,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-10-11 20:32:22,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=170, Invalid=292, Unknown=0, NotChecked=0, Total=462 [2024-10-11 20:32:22,927 INFO L87 Difference]: Start difference. First operand 595 states and 744 transitions. Second operand has 22 states, 21 states have (on average 14.047619047619047) internal successors, (295), 22 states have internal predecessors, (295), 20 states have call successors, (64), 1 states have call predecessors, (64), 1 states have return successors, (64), 20 states have call predecessors, (64), 20 states have call successors, (64) [2024-10-11 20:32:23,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:32:23,784 INFO L93 Difference]: Finished difference Result 1497 states and 1907 transitions. [2024-10-11 20:32:23,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-10-11 20:32:23,785 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 14.047619047619047) internal successors, (295), 22 states have internal predecessors, (295), 20 states have call successors, (64), 1 states have call predecessors, (64), 1 states have return successors, (64), 20 states have call predecessors, (64), 20 states have call successors, (64) Word has length 211 [2024-10-11 20:32:23,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:32:23,789 INFO L225 Difference]: With dead ends: 1497 [2024-10-11 20:32:23,789 INFO L226 Difference]: Without dead ends: 1426 [2024-10-11 20:32:23,790 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 488 GetRequests, 452 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 454 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=537, Invalid=869, Unknown=0, NotChecked=0, Total=1406 [2024-10-11 20:32:23,790 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 981 mSDsluCounter, 369 mSDsCounter, 0 mSdLazyCounter, 519 mSolverCounterSat, 212 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 995 SdHoareTripleChecker+Valid, 404 SdHoareTripleChecker+Invalid, 731 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 212 IncrementalHoareTripleChecker+Valid, 519 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 20:32:23,790 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [995 Valid, 404 Invalid, 731 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [212 Valid, 519 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 20:32:23,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1426 states. [2024-10-11 20:32:23,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1426 to 787. [2024-10-11 20:32:23,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 787 states, 641 states have (on average 1.1014040561622465) internal successors, (706), 647 states have internal predecessors, (706), 138 states have call successors, (138), 1 states have call predecessors, (138), 1 states have return successors, (138), 138 states have call predecessors, (138), 138 states have call successors, (138) [2024-10-11 20:32:23,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 787 states to 787 states and 982 transitions. [2024-10-11 20:32:23,908 INFO L78 Accepts]: Start accepts. Automaton has 787 states and 982 transitions. Word has length 211 [2024-10-11 20:32:23,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:32:23,909 INFO L471 AbstractCegarLoop]: Abstraction has 787 states and 982 transitions. [2024-10-11 20:32:23,909 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 14.047619047619047) internal successors, (295), 22 states have internal predecessors, (295), 20 states have call successors, (64), 1 states have call predecessors, (64), 1 states have return successors, (64), 20 states have call predecessors, (64), 20 states have call successors, (64) [2024-10-11 20:32:23,909 INFO L276 IsEmpty]: Start isEmpty. Operand 787 states and 982 transitions. [2024-10-11 20:32:23,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2024-10-11 20:32:23,911 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:32:23,911 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:32:23,927 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Ended with exit code 0 [2024-10-11 20:32:24,115 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,30 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:32:24,116 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-10-11 20:32:24,116 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:32:24,116 INFO L85 PathProgramCache]: Analyzing trace with hash 2055082335, now seen corresponding path program 1 times [2024-10-11 20:32:24,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:32:24,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261935370] [2024-10-11 20:32:24,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:32:24,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:32:24,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:24,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-11 20:32:24,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:24,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-11 20:32:24,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:24,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 20:32:24,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:24,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 20:32:24,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:24,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 20:32:24,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:24,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 20:32:24,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:24,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 20:32:24,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:24,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 20:32:24,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:24,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-11 20:32:24,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:24,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-11 20:32:24,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:24,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-11 20:32:24,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:24,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-11 20:32:24,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:24,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-11 20:32:24,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:24,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-11 20:32:24,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:24,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-11 20:32:24,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:24,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-11 20:32:24,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:24,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-11 20:32:24,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:24,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-11 20:32:24,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:24,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-11 20:32:24,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:24,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-11 20:32:24,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:24,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-11 20:32:24,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:24,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-11 20:32:24,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:24,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-11 20:32:24,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:24,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-10-11 20:32:24,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:24,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-11 20:32:24,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:24,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-10-11 20:32:24,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:24,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-11 20:32:24,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:24,398 INFO L134 CoverageAnalysis]: Checked inductivity of 1717 backedges. 64 proven. 249 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-10-11 20:32:24,398 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:32:24,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [261935370] [2024-10-11 20:32:24,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [261935370] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:32:24,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [255142072] [2024-10-11 20:32:24,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:32:24,399 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:32:24,399 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:32:24,401 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:32:24,402 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2024-10-11 20:32:24,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:24,505 INFO L255 TraceCheckSpWp]: Trace formula consists of 434 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-11 20:32:24,508 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:32:24,713 INFO L134 CoverageAnalysis]: Checked inductivity of 1717 backedges. 584 proven. 157 refuted. 0 times theorem prover too weak. 976 trivial. 0 not checked. [2024-10-11 20:32:24,713 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:32:24,987 INFO L134 CoverageAnalysis]: Checked inductivity of 1717 backedges. 144 proven. 157 refuted. 0 times theorem prover too weak. 1416 trivial. 0 not checked. [2024-10-11 20:32:24,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [255142072] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:32:24,987 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:32:24,987 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 9] total 14 [2024-10-11 20:32:24,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147460162] [2024-10-11 20:32:24,987 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:32:24,988 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-11 20:32:24,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:32:24,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-11 20:32:24,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2024-10-11 20:32:24,989 INFO L87 Difference]: Start difference. First operand 787 states and 982 transitions. Second operand has 14 states, 14 states have (on average 13.071428571428571) internal successors, (183), 14 states have internal predecessors, (183), 12 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 12 states have call predecessors, (44), 12 states have call successors, (44) [2024-10-11 20:32:25,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:32:25,965 INFO L93 Difference]: Finished difference Result 1484 states and 1846 transitions. [2024-10-11 20:32:25,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-11 20:32:25,965 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 13.071428571428571) internal successors, (183), 14 states have internal predecessors, (183), 12 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 12 states have call predecessors, (44), 12 states have call successors, (44) Word has length 261 [2024-10-11 20:32:25,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:32:25,969 INFO L225 Difference]: With dead ends: 1484 [2024-10-11 20:32:25,969 INFO L226 Difference]: Without dead ends: 892 [2024-10-11 20:32:25,970 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 595 GetRequests, 568 SyntacticMatches, 6 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=382, Unknown=0, NotChecked=0, Total=506 [2024-10-11 20:32:25,971 INFO L432 NwaCegarLoop]: 109 mSDtfsCounter, 136 mSDsluCounter, 642 mSDsCounter, 0 mSdLazyCounter, 1197 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 751 SdHoareTripleChecker+Invalid, 1230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 1197 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-11 20:32:25,971 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 751 Invalid, 1230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 1197 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-11 20:32:25,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 892 states. [2024-10-11 20:32:26,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 892 to 856. [2024-10-11 20:32:26,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 856 states, 696 states have (on average 1.0919540229885059) internal successors, (760), 702 states have internal predecessors, (760), 152 states have call successors, (152), 1 states have call predecessors, (152), 1 states have return successors, (152), 152 states have call predecessors, (152), 152 states have call successors, (152) [2024-10-11 20:32:26,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 856 states to 856 states and 1064 transitions. [2024-10-11 20:32:26,102 INFO L78 Accepts]: Start accepts. Automaton has 856 states and 1064 transitions. Word has length 261 [2024-10-11 20:32:26,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:32:26,102 INFO L471 AbstractCegarLoop]: Abstraction has 856 states and 1064 transitions. [2024-10-11 20:32:26,102 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 13.071428571428571) internal successors, (183), 14 states have internal predecessors, (183), 12 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 12 states have call predecessors, (44), 12 states have call successors, (44) [2024-10-11 20:32:26,102 INFO L276 IsEmpty]: Start isEmpty. Operand 856 states and 1064 transitions. [2024-10-11 20:32:26,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2024-10-11 20:32:26,104 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:32:26,104 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:32:26,117 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2024-10-11 20:32:26,304 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,31 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:32:26,305 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-10-11 20:32:26,305 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:32:26,305 INFO L85 PathProgramCache]: Analyzing trace with hash 1467471363, now seen corresponding path program 2 times [2024-10-11 20:32:26,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:32:26,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1732707462] [2024-10-11 20:32:26,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:32:26,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:32:26,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:26,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-11 20:32:26,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:26,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-11 20:32:26,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:26,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 20:32:26,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:26,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 20:32:26,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:26,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 20:32:26,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:26,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 20:32:26,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:26,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 20:32:26,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:26,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 20:32:26,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:26,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-11 20:32:26,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:26,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-11 20:32:26,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:26,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-11 20:32:26,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:26,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-11 20:32:26,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:26,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-11 20:32:26,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:26,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-11 20:32:26,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:26,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-11 20:32:26,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:26,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-11 20:32:26,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:26,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-11 20:32:26,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:26,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-11 20:32:26,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:26,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-11 20:32:26,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:26,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-11 20:32:26,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:26,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-11 20:32:26,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:26,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-11 20:32:26,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:26,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-11 20:32:26,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:26,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-10-11 20:32:26,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:26,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-11 20:32:26,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:26,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-10-11 20:32:26,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:26,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-11 20:32:26,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:26,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-10-11 20:32:26,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:26,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-10-11 20:32:26,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:26,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2024-10-11 20:32:26,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:26,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-10-11 20:32:26,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:26,620 INFO L134 CoverageAnalysis]: Checked inductivity of 2299 backedges. 76 proven. 363 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-11 20:32:26,621 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:32:26,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1732707462] [2024-10-11 20:32:26,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1732707462] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:32:26,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [735197376] [2024-10-11 20:32:26,621 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-11 20:32:26,622 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:32:26,622 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:32:26,623 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:32:26,625 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2024-10-11 20:32:26,762 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-11 20:32:26,762 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 20:32:26,764 INFO L255 TraceCheckSpWp]: Trace formula consists of 492 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-11 20:32:26,768 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:32:27,002 INFO L134 CoverageAnalysis]: Checked inductivity of 2299 backedges. 196 proven. 363 refuted. 0 times theorem prover too weak. 1740 trivial. 0 not checked. [2024-10-11 20:32:27,002 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:32:27,285 INFO L134 CoverageAnalysis]: Checked inductivity of 2299 backedges. 76 proven. 363 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-11 20:32:27,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [735197376] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:32:27,285 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:32:27,285 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 14 [2024-10-11 20:32:27,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791292465] [2024-10-11 20:32:27,285 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:32:27,286 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-11 20:32:27,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:32:27,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-11 20:32:27,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2024-10-11 20:32:27,287 INFO L87 Difference]: Start difference. First operand 856 states and 1064 transitions. Second operand has 14 states, 14 states have (on average 13.0) internal successors, (182), 14 states have internal predecessors, (182), 12 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) [2024-10-11 20:32:28,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:32:28,512 INFO L93 Difference]: Finished difference Result 1511 states and 1877 transitions. [2024-10-11 20:32:28,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-11 20:32:28,513 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 13.0) internal successors, (182), 14 states have internal predecessors, (182), 12 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) Word has length 299 [2024-10-11 20:32:28,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:32:28,517 INFO L225 Difference]: With dead ends: 1511 [2024-10-11 20:32:28,517 INFO L226 Difference]: Without dead ends: 913 [2024-10-11 20:32:28,519 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 686 GetRequests, 651 SyntacticMatches, 9 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=183, Invalid=573, Unknown=0, NotChecked=0, Total=756 [2024-10-11 20:32:28,519 INFO L432 NwaCegarLoop]: 136 mSDtfsCounter, 182 mSDsluCounter, 804 mSDsCounter, 0 mSdLazyCounter, 1637 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 940 SdHoareTripleChecker+Invalid, 1680 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 1637 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-11 20:32:28,519 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [187 Valid, 940 Invalid, 1680 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 1637 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-11 20:32:28,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 913 states. [2024-10-11 20:32:28,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 913 to 825. [2024-10-11 20:32:28,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 825 states, 668 states have (on average 1.0883233532934131) internal successors, (727), 674 states have internal predecessors, (727), 149 states have call successors, (149), 1 states have call predecessors, (149), 1 states have return successors, (149), 149 states have call predecessors, (149), 149 states have call successors, (149) [2024-10-11 20:32:28,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 825 states to 825 states and 1025 transitions. [2024-10-11 20:32:28,675 INFO L78 Accepts]: Start accepts. Automaton has 825 states and 1025 transitions. Word has length 299 [2024-10-11 20:32:28,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:32:28,676 INFO L471 AbstractCegarLoop]: Abstraction has 825 states and 1025 transitions. [2024-10-11 20:32:28,676 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 13.0) internal successors, (182), 14 states have internal predecessors, (182), 12 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) [2024-10-11 20:32:28,676 INFO L276 IsEmpty]: Start isEmpty. Operand 825 states and 1025 transitions. [2024-10-11 20:32:28,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2024-10-11 20:32:28,678 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:32:28,678 INFO L215 NwaCegarLoop]: trace histogram [35, 35, 35, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:32:28,686 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Ended with exit code 0 [2024-10-11 20:32:28,878 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,32 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:32:28,879 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-10-11 20:32:28,879 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:32:28,880 INFO L85 PathProgramCache]: Analyzing trace with hash 865927079, now seen corresponding path program 3 times [2024-10-11 20:32:28,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:32:28,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1184504532] [2024-10-11 20:32:28,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:32:28,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:32:28,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:32:28,926 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [385737974] [2024-10-11 20:32:28,926 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-11 20:32:28,926 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:32:28,926 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:32:28,928 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:32:28,929 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2024-10-11 20:32:29,035 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-10-11 20:32:29,035 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 20:32:29,036 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-10-11 20:32:29,040 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:32:29,682 INFO L134 CoverageAnalysis]: Checked inductivity of 2967 backedges. 405 proven. 48 refuted. 0 times theorem prover too weak. 2514 trivial. 0 not checked. [2024-10-11 20:32:29,682 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:32:29,978 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:32:29,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1184504532] [2024-10-11 20:32:29,978 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:32:29,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [385737974] [2024-10-11 20:32:29,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [385737974] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:32:29,978 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:32:29,979 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-10-11 20:32:29,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544724709] [2024-10-11 20:32:29,979 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:32:29,979 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-11 20:32:29,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:32:29,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-11 20:32:29,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2024-10-11 20:32:29,981 INFO L87 Difference]: Start difference. First operand 825 states and 1025 transitions. Second operand has 12 states, 11 states have (on average 6.909090909090909) internal successors, (76), 12 states have internal predecessors, (76), 3 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-10-11 20:32:30,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:32:30,654 INFO L93 Difference]: Finished difference Result 826 states and 1025 transitions. [2024-10-11 20:32:30,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-11 20:32:30,654 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.909090909090909) internal successors, (76), 12 states have internal predecessors, (76), 3 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 337 [2024-10-11 20:32:30,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:32:30,658 INFO L225 Difference]: With dead ends: 826 [2024-10-11 20:32:30,658 INFO L226 Difference]: Without dead ends: 822 [2024-10-11 20:32:30,659 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 352 GetRequests, 331 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=126, Invalid=380, Unknown=0, NotChecked=0, Total=506 [2024-10-11 20:32:30,659 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 107 mSDsluCounter, 222 mSDsCounter, 0 mSdLazyCounter, 669 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 265 SdHoareTripleChecker+Invalid, 692 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 669 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-11 20:32:30,659 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 265 Invalid, 692 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 669 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-11 20:32:30,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 822 states. [2024-10-11 20:32:30,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 822 to 821. [2024-10-11 20:32:30,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 821 states, 668 states have (on average 1.0494011976047903) internal successors, (701), 670 states have internal predecessors, (701), 149 states have call successors, (149), 1 states have call predecessors, (149), 1 states have return successors, (149), 149 states have call predecessors, (149), 149 states have call successors, (149) [2024-10-11 20:32:30,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 821 states to 821 states and 999 transitions. [2024-10-11 20:32:30,766 INFO L78 Accepts]: Start accepts. Automaton has 821 states and 999 transitions. Word has length 337 [2024-10-11 20:32:30,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:32:30,767 INFO L471 AbstractCegarLoop]: Abstraction has 821 states and 999 transitions. [2024-10-11 20:32:30,767 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.909090909090909) internal successors, (76), 12 states have internal predecessors, (76), 3 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-10-11 20:32:30,767 INFO L276 IsEmpty]: Start isEmpty. Operand 821 states and 999 transitions. [2024-10-11 20:32:30,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 397 [2024-10-11 20:32:30,769 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:32:30,769 INFO L215 NwaCegarLoop]: trace histogram [42, 42, 42, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:32:30,775 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0 [2024-10-11 20:32:30,970 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable43 [2024-10-11 20:32:30,970 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-10-11 20:32:30,970 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:32:30,970 INFO L85 PathProgramCache]: Analyzing trace with hash 828479127, now seen corresponding path program 1 times [2024-10-11 20:32:30,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:32:30,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [999413936] [2024-10-11 20:32:30,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:32:30,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:32:30,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:31,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-11 20:32:31,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:31,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-11 20:32:31,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:31,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 20:32:31,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:31,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 20:32:31,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:31,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 20:32:31,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:31,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 20:32:31,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:31,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 20:32:31,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:31,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 20:32:31,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:31,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-11 20:32:31,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:31,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-11 20:32:31,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:31,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-11 20:32:31,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:31,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-11 20:32:31,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:31,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-11 20:32:31,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:31,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-11 20:32:31,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:31,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-11 20:32:31,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:31,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-11 20:32:31,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:31,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-11 20:32:31,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:31,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-11 20:32:31,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:31,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-11 20:32:31,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:31,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-11 20:32:31,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:31,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-11 20:32:31,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:31,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-11 20:32:31,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:31,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-10-11 20:32:31,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:31,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-10-11 20:32:31,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:31,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-11 20:32:31,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:31,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-10-11 20:32:31,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:31,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-11 20:32:31,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:31,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-10-11 20:32:31,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:31,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-10-11 20:32:31,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:31,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2024-10-11 20:32:31,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:31,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-10-11 20:32:31,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:31,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2024-10-11 20:32:31,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:31,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2024-10-11 20:32:31,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:31,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2024-10-11 20:32:31,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:31,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2024-10-11 20:32:31,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:31,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2024-10-11 20:32:31,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:31,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2024-10-11 20:32:31,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:31,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2024-10-11 20:32:31,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:31,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2024-10-11 20:32:31,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:31,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2024-10-11 20:32:31,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:31,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2024-10-11 20:32:31,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:31,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2024-10-11 20:32:31,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:31,230 INFO L134 CoverageAnalysis]: Checked inductivity of 4282 backedges. 378 proven. 171 refuted. 0 times theorem prover too weak. 3733 trivial. 0 not checked. [2024-10-11 20:32:31,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:32:31,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [999413936] [2024-10-11 20:32:31,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [999413936] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:32:31,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2103892061] [2024-10-11 20:32:31,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:32:31,231 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:32:31,231 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:32:31,233 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:32:31,234 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2024-10-11 20:32:31,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:32:31,336 INFO L255 TraceCheckSpWp]: Trace formula consists of 641 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-11 20:32:31,339 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:32:31,716 INFO L134 CoverageAnalysis]: Checked inductivity of 4282 backedges. 789 proven. 657 refuted. 0 times theorem prover too weak. 2836 trivial. 0 not checked. [2024-10-11 20:32:31,716 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:32:32,187 INFO L134 CoverageAnalysis]: Checked inductivity of 4282 backedges. 181 proven. 657 refuted. 0 times theorem prover too weak. 3444 trivial. 0 not checked. [2024-10-11 20:32:32,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2103892061] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:32:32,187 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:32:32,187 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 13, 13] total 23 [2024-10-11 20:32:32,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424513963] [2024-10-11 20:32:32,187 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:32:32,188 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-10-11 20:32:32,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:32:32,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-10-11 20:32:32,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=455, Unknown=0, NotChecked=0, Total=506 [2024-10-11 20:32:32,189 INFO L87 Difference]: Start difference. First operand 821 states and 999 transitions. Second operand has 23 states, 23 states have (on average 13.91304347826087) internal successors, (320), 23 states have internal predecessors, (320), 19 states have call successors, (73), 2 states have call predecessors, (73), 2 states have return successors, (73), 19 states have call predecessors, (73), 19 states have call successors, (73)