./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench/cohendiv-ll.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 8be7027f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench/cohendiv-ll.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 601ddeb38cc85433f6271611bfd2617c2fcbf2b89119dbe2c319aedc14aa3b17 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 17:05:13,316 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 17:05:13,379 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-12 17:05:13,384 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 17:05:13,385 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 17:05:13,406 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 17:05:13,407 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 17:05:13,407 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 17:05:13,407 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 17:05:13,408 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 17:05:13,408 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 17:05:13,408 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 17:05:13,409 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 17:05:13,410 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 17:05:13,411 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 17:05:13,411 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 17:05:13,413 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 17:05:13,415 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 17:05:13,415 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 17:05:13,416 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 17:05:13,416 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 17:05:13,416 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 17:05:13,417 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 17:05:13,417 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 17:05:13,417 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 17:05:13,417 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-12 17:05:13,418 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-12 17:05:13,418 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 17:05:13,418 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 17:05:13,418 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 17:05:13,418 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 17:05:13,419 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 17:05:13,419 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 17:05:13,419 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 17:05:13,419 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 17:05:13,420 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 17:05:13,420 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 17:05:13,420 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 17:05:13,420 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 17:05:13,421 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 17:05:13,421 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 17:05:13,421 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 17:05:13,422 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 17:05:13,422 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 17:05:13,422 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 601ddeb38cc85433f6271611bfd2617c2fcbf2b89119dbe2c319aedc14aa3b17 [2024-11-12 17:05:13,670 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 17:05:13,696 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 17:05:13,700 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 17:05:13,701 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 17:05:13,702 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 17:05:13,703 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench/cohendiv-ll.c [2024-11-12 17:05:15,224 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 17:05:15,389 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 17:05:15,389 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench/cohendiv-ll.c [2024-11-12 17:05:15,396 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58f90864b/114d038a472f41559035c3b72e10cfb1/FLAG437ab6d54 [2024-11-12 17:05:15,408 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58f90864b/114d038a472f41559035c3b72e10cfb1 [2024-11-12 17:05:15,411 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 17:05:15,412 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 17:05:15,413 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 17:05:15,413 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 17:05:15,418 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 17:05:15,419 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 05:05:15" (1/1) ... [2024-11-12 17:05:15,420 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a9b977c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:05:15, skipping insertion in model container [2024-11-12 17:05:15,420 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 05:05:15" (1/1) ... [2024-11-12 17:05:15,436 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 17:05:15,618 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 17:05:15,625 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 17:05:15,649 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 17:05:15,663 INFO L204 MainTranslator]: Completed translation [2024-11-12 17:05:15,663 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:05:15 WrapperNode [2024-11-12 17:05:15,664 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 17:05:15,665 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 17:05:15,665 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 17:05:15,665 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 17:05:15,672 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:05:15" (1/1) ... [2024-11-12 17:05:15,677 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:05:15" (1/1) ... [2024-11-12 17:05:15,696 INFO L138 Inliner]: procedures = 14, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 94 [2024-11-12 17:05:15,696 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 17:05:15,697 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 17:05:15,697 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 17:05:15,697 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 17:05:15,707 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:05:15" (1/1) ... [2024-11-12 17:05:15,708 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:05:15" (1/1) ... [2024-11-12 17:05:15,710 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:05:15" (1/1) ... [2024-11-12 17:05:15,722 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-12 17:05:15,723 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:05:15" (1/1) ... [2024-11-12 17:05:15,723 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:05:15" (1/1) ... [2024-11-12 17:05:15,730 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:05:15" (1/1) ... [2024-11-12 17:05:15,735 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:05:15" (1/1) ... [2024-11-12 17:05:15,739 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:05:15" (1/1) ... [2024-11-12 17:05:15,740 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:05:15" (1/1) ... [2024-11-12 17:05:15,745 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 17:05:15,746 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 17:05:15,746 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 17:05:15,746 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 17:05:15,748 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:05:15" (1/1) ... [2024-11-12 17:05:15,753 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 17:05:15,766 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:05:15,784 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-12 17:05:15,790 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-12 17:05:15,834 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 17:05:15,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 17:05:15,835 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 17:05:15,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 17:05:15,835 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-12 17:05:15,835 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-12 17:05:15,897 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 17:05:15,900 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 17:05:16,351 INFO L? ?]: Removed 64 outVars from TransFormulas that were not future-live. [2024-11-12 17:05:16,352 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 17:05:16,368 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 17:05:16,369 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-12 17:05:16,369 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 05:05:16 BoogieIcfgContainer [2024-11-12 17:05:16,370 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 17:05:16,372 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 17:05:16,372 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 17:05:16,375 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 17:05:16,376 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 05:05:15" (1/3) ... [2024-11-12 17:05:16,376 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c6ed03b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 05:05:16, skipping insertion in model container [2024-11-12 17:05:16,376 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:05:15" (2/3) ... [2024-11-12 17:05:16,377 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c6ed03b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 05:05:16, skipping insertion in model container [2024-11-12 17:05:16,377 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 05:05:16" (3/3) ... [2024-11-12 17:05:16,378 INFO L112 eAbstractionObserver]: Analyzing ICFG cohendiv-ll.c [2024-11-12 17:05:16,400 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 17:05:16,401 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 30 error locations. [2024-11-12 17:05:16,456 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 17:05:16,472 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;@3f3834d7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 17:05:16,472 INFO L334 AbstractCegarLoop]: Starting to check reachability of 30 error locations. [2024-11-12 17:05:16,480 INFO L276 IsEmpty]: Start isEmpty. Operand has 85 states, 46 states have (on average 1.826086956521739) internal successors, (84), 76 states have internal predecessors, (84), 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) [2024-11-12 17:05:16,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-12 17:05:16,491 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:05:16,491 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-12 17:05:16,492 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)] === [2024-11-12 17:05:16,504 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:05:16,507 INFO L85 PathProgramCache]: Analyzing trace with hash 889508925, now seen corresponding path program 1 times [2024-11-12 17:05:16,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:05:16,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295635347] [2024-11-12 17:05:16,530 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:05:16,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:05:16,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:16,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 17:05:16,841 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:05:16,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295635347] [2024-11-12 17:05:16,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1295635347] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:05:16,842 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:05:16,842 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 17:05:16,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792706577] [2024-11-12 17:05:16,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:05:16,848 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-12 17:05:16,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:05:16,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-12 17:05:16,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 17:05:16,880 INFO L87 Difference]: Start difference. First operand has 85 states, 46 states have (on average 1.826086956521739) internal successors, (84), 76 states have internal predecessors, (84), 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 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 17:05:16,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:05:16,909 INFO L93 Difference]: Finished difference Result 166 states and 198 transitions. [2024-11-12 17:05:16,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-12 17:05:16,911 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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 6 [2024-11-12 17:05:16,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:05:16,916 INFO L225 Difference]: With dead ends: 166 [2024-11-12 17:05:16,916 INFO L226 Difference]: Without dead ends: 78 [2024-11-12 17:05:16,919 INFO L434 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 [2024-11-12 17:05:16,922 INFO L435 NwaCegarLoop]: 91 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 91 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 17:05:16,923 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 17:05:16,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2024-11-12 17:05:16,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2024-11-12 17:05:16,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 41 states have (on average 1.7560975609756098) internal successors, (72), 70 states have internal predecessors, (72), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-12 17:05:16,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 84 transitions. [2024-11-12 17:05:16,953 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 84 transitions. Word has length 6 [2024-11-12 17:05:16,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:05:16,953 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 84 transitions. [2024-11-12 17:05:16,953 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 17:05:16,953 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 84 transitions. [2024-11-12 17:05:16,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-12 17:05:16,954 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:05:16,954 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-12 17:05:16,954 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 17:05:16,955 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)] === [2024-11-12 17:05:16,955 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:05:16,955 INFO L85 PathProgramCache]: Analyzing trace with hash 889568486, now seen corresponding path program 1 times [2024-11-12 17:05:16,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:05:16,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541322817] [2024-11-12 17:05:16,956 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:05:16,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:05:16,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:05:16,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1878120264] [2024-11-12 17:05:16,973 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:05:16,973 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:05:16,973 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:05:16,975 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:05:16,977 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-12 17:05:17,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:17,023 INFO L256 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-12 17:05:17,037 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:05:17,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 17:05:17,067 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 17:05:17,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:05:17,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541322817] [2024-11-12 17:05:17,068 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:05:17,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1878120264] [2024-11-12 17:05:17,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1878120264] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:05:17,068 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:05:17,068 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 17:05:17,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388571885] [2024-11-12 17:05:17,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:05:17,069 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 17:05:17,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:05:17,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 17:05:17,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 17:05:17,075 INFO L87 Difference]: Start difference. First operand 78 states and 84 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 17:05:17,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:05:17,214 INFO L93 Difference]: Finished difference Result 102 states and 110 transitions. [2024-11-12 17:05:17,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 17:05:17,215 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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 6 [2024-11-12 17:05:17,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:05:17,217 INFO L225 Difference]: With dead ends: 102 [2024-11-12 17:05:17,217 INFO L226 Difference]: Without dead ends: 100 [2024-11-12 17:05:17,217 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 17:05:17,218 INFO L435 NwaCegarLoop]: 82 mSDtfsCounter, 18 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 143 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 17:05:17,218 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 143 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 17:05:17,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2024-11-12 17:05:17,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 81. [2024-11-12 17:05:17,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 44 states have (on average 1.7045454545454546) internal successors, (75), 73 states have internal predecessors, (75), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-12 17:05:17,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 87 transitions. [2024-11-12 17:05:17,230 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 87 transitions. Word has length 6 [2024-11-12 17:05:17,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:05:17,230 INFO L471 AbstractCegarLoop]: Abstraction has 81 states and 87 transitions. [2024-11-12 17:05:17,230 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 17:05:17,230 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 87 transitions. [2024-11-12 17:05:17,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-12 17:05:17,231 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:05:17,231 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:05:17,249 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-12 17:05:17,431 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:05:17,432 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)] === [2024-11-12 17:05:17,432 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:05:17,432 INFO L85 PathProgramCache]: Analyzing trace with hash -1886542531, now seen corresponding path program 1 times [2024-11-12 17:05:17,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:05:17,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711497740] [2024-11-12 17:05:17,433 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:05:17,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:05:17,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:05:17,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [723818205] [2024-11-12 17:05:17,471 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:05:17,471 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:05:17,472 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:05:17,474 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:05:17,475 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-12 17:05:17,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:17,528 INFO L256 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-12 17:05:17,529 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:05:17,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 17:05:17,557 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 17:05:17,557 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:05:17,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [711497740] [2024-11-12 17:05:17,557 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:05:17,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [723818205] [2024-11-12 17:05:17,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [723818205] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:05:17,558 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:05:17,558 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 17:05:17,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758463267] [2024-11-12 17:05:17,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:05:17,559 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 17:05:17,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:05:17,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 17:05:17,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 17:05:17,560 INFO L87 Difference]: Start difference. First operand 81 states and 87 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-12 17:05:17,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:05:17,700 INFO L93 Difference]: Finished difference Result 138 states and 159 transitions. [2024-11-12 17:05:17,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 17:05:17,701 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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 13 [2024-11-12 17:05:17,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:05:17,702 INFO L225 Difference]: With dead ends: 138 [2024-11-12 17:05:17,702 INFO L226 Difference]: Without dead ends: 132 [2024-11-12 17:05:17,703 INFO L434 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 [2024-11-12 17:05:17,704 INFO L435 NwaCegarLoop]: 63 mSDtfsCounter, 45 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 17:05:17,704 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 118 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 17:05:17,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2024-11-12 17:05:17,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 112. [2024-11-12 17:05:17,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 69 states have (on average 1.710144927536232) internal successors, (118), 98 states have internal predecessors, (118), 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) [2024-11-12 17:05:17,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 142 transitions. [2024-11-12 17:05:17,715 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 142 transitions. Word has length 13 [2024-11-12 17:05:17,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:05:17,715 INFO L471 AbstractCegarLoop]: Abstraction has 112 states and 142 transitions. [2024-11-12 17:05:17,715 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-12 17:05:17,716 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 142 transitions. [2024-11-12 17:05:17,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-12 17:05:17,716 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:05:17,716 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:05:17,729 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-12 17:05:17,919 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2024-11-12 17:05:17,920 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)] === [2024-11-12 17:05:17,920 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:05:17,920 INFO L85 PathProgramCache]: Analyzing trace with hash -491171553, now seen corresponding path program 1 times [2024-11-12 17:05:17,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:05:17,921 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [834804377] [2024-11-12 17:05:17,921 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:05:17,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:05:17,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:05:17,939 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [600316000] [2024-11-12 17:05:17,939 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:05:17,939 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:05:17,939 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:05:17,941 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:05:17,943 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-12 17:05:17,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:17,983 INFO L256 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-12 17:05:17,985 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:05:18,074 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 17:05:18,074 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 17:05:18,075 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:05:18,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [834804377] [2024-11-12 17:05:18,075 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:05:18,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [600316000] [2024-11-12 17:05:18,075 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [600316000] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:05:18,075 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:05:18,075 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 17:05:18,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928026214] [2024-11-12 17:05:18,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:05:18,076 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 17:05:18,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:05:18,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 17:05:18,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 17:05:18,077 INFO L87 Difference]: Start difference. First operand 112 states and 142 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) [2024-11-12 17:05:18,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:05:18,255 INFO L93 Difference]: Finished difference Result 131 states and 149 transitions. [2024-11-12 17:05:18,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 17:05:18,256 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 [2024-11-12 17:05:18,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:05:18,257 INFO L225 Difference]: With dead ends: 131 [2024-11-12 17:05:18,257 INFO L226 Difference]: Without dead ends: 128 [2024-11-12 17:05:18,257 INFO L434 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 [2024-11-12 17:05:18,258 INFO L435 NwaCegarLoop]: 61 mSDtfsCounter, 155 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 17:05:18,258 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [161 Valid, 118 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 17:05:18,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2024-11-12 17:05:18,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 113. [2024-11-12 17:05:18,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 70 states have (on average 1.6714285714285715) internal successors, (117), 99 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) [2024-11-12 17:05:18,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 141 transitions. [2024-11-12 17:05:18,284 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 141 transitions. Word has length 15 [2024-11-12 17:05:18,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:05:18,285 INFO L471 AbstractCegarLoop]: Abstraction has 113 states and 141 transitions. [2024-11-12 17:05:18,285 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) [2024-11-12 17:05:18,285 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 141 transitions. [2024-11-12 17:05:18,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-12 17:05:18,285 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:05:18,285 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:05:18,300 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-12 17:05:18,486 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:05:18,488 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)] === [2024-11-12 17:05:18,488 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:05:18,489 INFO L85 PathProgramCache]: Analyzing trace with hash 1953551102, now seen corresponding path program 1 times [2024-11-12 17:05:18,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:05:18,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [161005030] [2024-11-12 17:05:18,489 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:05:18,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:05:18,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:05:18,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [840771392] [2024-11-12 17:05:18,532 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:05:18,532 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:05:18,532 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:05:18,562 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:05:18,564 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-12 17:05:18,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:18,643 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-12 17:05:18,644 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:05:18,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 17:05:18,759 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 17:05:18,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:05:18,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [161005030] [2024-11-12 17:05:18,760 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:05:18,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [840771392] [2024-11-12 17:05:18,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [840771392] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:05:18,760 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:05:18,760 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 17:05:18,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [522736042] [2024-11-12 17:05:18,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:05:18,761 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 17:05:18,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:05:18,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 17:05:18,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 17:05:18,762 INFO L87 Difference]: Start difference. First operand 113 states and 141 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-12 17:05:19,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:05:19,162 INFO L93 Difference]: Finished difference Result 131 states and 146 transitions. [2024-11-12 17:05:19,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 17:05:19,166 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 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 16 [2024-11-12 17:05:19,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:05:19,170 INFO L225 Difference]: With dead ends: 131 [2024-11-12 17:05:19,170 INFO L226 Difference]: Without dead ends: 124 [2024-11-12 17:05:19,171 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-12 17:05:19,171 INFO L435 NwaCegarLoop]: 64 mSDtfsCounter, 151 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-12 17:05:19,172 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 121 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-12 17:05:19,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2024-11-12 17:05:19,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 110. [2024-11-12 17:05:19,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 67 states have (on average 1.6567164179104477) internal successors, (111), 96 states have internal predecessors, (111), 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) [2024-11-12 17:05:19,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 135 transitions. [2024-11-12 17:05:19,212 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 135 transitions. Word has length 16 [2024-11-12 17:05:19,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:05:19,213 INFO L471 AbstractCegarLoop]: Abstraction has 110 states and 135 transitions. [2024-11-12 17:05:19,213 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-12 17:05:19,213 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 135 transitions. [2024-11-12 17:05:19,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-12 17:05:19,219 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:05:19,220 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:05:19,274 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-12 17:05:19,420 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:05:19,422 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)] === [2024-11-12 17:05:19,422 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:05:19,422 INFO L85 PathProgramCache]: Analyzing trace with hash -833501705, now seen corresponding path program 1 times [2024-11-12 17:05:19,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:05:19,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [496895982] [2024-11-12 17:05:19,423 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:05:19,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:05:19,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:05:19,476 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [579088147] [2024-11-12 17:05:19,477 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:05:19,479 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:05:19,480 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:05:19,488 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:05:19,507 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-12 17:05:19,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:19,567 INFO L256 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-12 17:05:19,569 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:05:19,618 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 17:05:19,618 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 17:05:19,619 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:05:19,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [496895982] [2024-11-12 17:05:19,619 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:05:19,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [579088147] [2024-11-12 17:05:19,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [579088147] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:05:19,619 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:05:19,619 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 17:05:19,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389537384] [2024-11-12 17:05:19,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:05:19,620 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 17:05:19,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:05:19,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 17:05:19,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-12 17:05:19,622 INFO L87 Difference]: Start difference. First operand 110 states and 135 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) [2024-11-12 17:05:19,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:05:19,856 INFO L93 Difference]: Finished difference Result 177 states and 243 transitions. [2024-11-12 17:05:19,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 17:05:19,856 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 [2024-11-12 17:05:19,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:05:19,858 INFO L225 Difference]: With dead ends: 177 [2024-11-12 17:05:19,858 INFO L226 Difference]: Without dead ends: 172 [2024-11-12 17:05:19,858 INFO L434 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 [2024-11-12 17:05:19,859 INFO L435 NwaCegarLoop]: 42 mSDtfsCounter, 101 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 17:05:19,860 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 71 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 17:05:19,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2024-11-12 17:05:19,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 156. [2024-11-12 17:05:19,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 105 states have (on average 1.6285714285714286) internal successors, (171), 134 states have internal predecessors, (171), 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) [2024-11-12 17:05:19,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 211 transitions. [2024-11-12 17:05:19,884 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 211 transitions. Word has length 24 [2024-11-12 17:05:19,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:05:19,885 INFO L471 AbstractCegarLoop]: Abstraction has 156 states and 211 transitions. [2024-11-12 17:05:19,885 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) [2024-11-12 17:05:19,885 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 211 transitions. [2024-11-12 17:05:19,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-12 17:05:19,885 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:05:19,885 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:05:19,903 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-12 17:05:20,086 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:05:20,087 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)] === [2024-11-12 17:05:20,088 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:05:20,088 INFO L85 PathProgramCache]: Analyzing trace with hash -68748999, now seen corresponding path program 1 times [2024-11-12 17:05:20,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:05:20,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1741895958] [2024-11-12 17:05:20,088 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:05:20,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:05:20,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:05:20,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1517335932] [2024-11-12 17:05:20,106 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:05:20,106 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:05:20,107 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:05:20,108 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:05:20,110 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-12 17:05:20,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:20,150 INFO L256 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-12 17:05:20,151 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:05:20,198 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 17:05:20,198 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 17:05:20,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:05:20,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1741895958] [2024-11-12 17:05:20,199 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:05:20,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1517335932] [2024-11-12 17:05:20,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1517335932] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:05:20,199 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:05:20,199 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 17:05:20,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788612587] [2024-11-12 17:05:20,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:05:20,200 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 17:05:20,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:05:20,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 17:05:20,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-12 17:05:20,201 INFO L87 Difference]: Start difference. First operand 156 states and 211 transitions. Second operand has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-12 17:05:20,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:05:20,365 INFO L93 Difference]: Finished difference Result 175 states and 234 transitions. [2024-11-12 17:05:20,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 17:05:20,366 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 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 25 [2024-11-12 17:05:20,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:05:20,367 INFO L225 Difference]: With dead ends: 175 [2024-11-12 17:05:20,367 INFO L226 Difference]: Without dead ends: 172 [2024-11-12 17:05:20,368 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-12 17:05:20,369 INFO L435 NwaCegarLoop]: 42 mSDtfsCounter, 73 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 17:05:20,369 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 83 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 17:05:20,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2024-11-12 17:05:20,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 157. [2024-11-12 17:05:20,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 106 states have (on average 1.5849056603773586) internal successors, (168), 135 states have internal predecessors, (168), 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) [2024-11-12 17:05:20,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 208 transitions. [2024-11-12 17:05:20,383 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 208 transitions. Word has length 25 [2024-11-12 17:05:20,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:05:20,384 INFO L471 AbstractCegarLoop]: Abstraction has 157 states and 208 transitions. [2024-11-12 17:05:20,384 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-12 17:05:20,384 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 208 transitions. [2024-11-12 17:05:20,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-12 17:05:20,385 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:05:20,386 INFO L218 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] [2024-11-12 17:05:20,403 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-12 17:05:20,586 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:05:20,587 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)] === [2024-11-12 17:05:20,588 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:05:20,588 INFO L85 PathProgramCache]: Analyzing trace with hash 2090297150, now seen corresponding path program 1 times [2024-11-12 17:05:20,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:05:20,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2076990641] [2024-11-12 17:05:20,588 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:05:20,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:05:20,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:20,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-12 17:05:20,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:20,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 17:05:20,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:20,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-12 17:05:20,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:20,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-12 17:05:20,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:20,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-12 17:05:20,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:20,781 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-12 17:05:20,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:05:20,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2076990641] [2024-11-12 17:05:20,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2076990641] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:05:20,782 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:05:20,782 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 17:05:20,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099798505] [2024-11-12 17:05:20,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:05:20,783 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 17:05:20,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:05:20,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 17:05:20,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 17:05:20,784 INFO L87 Difference]: Start difference. First operand 157 states and 208 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) [2024-11-12 17:05:21,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:05:21,177 INFO L93 Difference]: Finished difference Result 190 states and 237 transitions. [2024-11-12 17:05:21,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 17:05:21,180 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 [2024-11-12 17:05:21,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:05:21,181 INFO L225 Difference]: With dead ends: 190 [2024-11-12 17:05:21,181 INFO L226 Difference]: Without dead ends: 188 [2024-11-12 17:05:21,182 INFO L434 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 [2024-11-12 17:05:21,183 INFO L435 NwaCegarLoop]: 31 mSDtfsCounter, 114 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-12 17:05:21,183 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 68 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-12 17:05:21,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2024-11-12 17:05:21,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 159. [2024-11-12 17:05:21,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 108 states have (on average 1.5555555555555556) internal successors, (168), 137 states have internal predecessors, (168), 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) [2024-11-12 17:05:21,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 208 transitions. [2024-11-12 17:05:21,199 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 208 transitions. Word has length 45 [2024-11-12 17:05:21,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:05:21,200 INFO L471 AbstractCegarLoop]: Abstraction has 159 states and 208 transitions. [2024-11-12 17:05:21,200 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) [2024-11-12 17:05:21,200 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 208 transitions. [2024-11-12 17:05:21,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-12 17:05:21,202 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:05:21,202 INFO L218 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] [2024-11-12 17:05:21,202 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-12 17:05:21,203 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)] === [2024-11-12 17:05:21,203 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:05:21,203 INFO L85 PathProgramCache]: Analyzing trace with hash 374702305, now seen corresponding path program 1 times [2024-11-12 17:05:21,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:05:21,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [931729507] [2024-11-12 17:05:21,205 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:05:21,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:05:21,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:21,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-12 17:05:21,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:21,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 17:05:21,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:21,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-12 17:05:21,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:21,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-12 17:05:21,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:21,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-12 17:05:21,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:21,418 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-12 17:05:21,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:05:21,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [931729507] [2024-11-12 17:05:21,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [931729507] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:05:21,419 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:05:21,420 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 17:05:21,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750677428] [2024-11-12 17:05:21,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:05:21,421 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 17:05:21,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:05:21,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 17:05:21,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 17:05:21,422 INFO L87 Difference]: Start difference. First operand 159 states and 208 transitions. Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 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) [2024-11-12 17:05:21,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:05:21,576 INFO L93 Difference]: Finished difference Result 190 states and 233 transitions. [2024-11-12 17:05:21,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 17:05:21,577 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 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 46 [2024-11-12 17:05:21,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:05:21,578 INFO L225 Difference]: With dead ends: 190 [2024-11-12 17:05:21,578 INFO L226 Difference]: Without dead ends: 188 [2024-11-12 17:05:21,579 INFO L434 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 [2024-11-12 17:05:21,579 INFO L435 NwaCegarLoop]: 33 mSDtfsCounter, 111 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 17:05:21,580 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 70 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 17:05:21,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2024-11-12 17:05:21,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 161. [2024-11-12 17:05:21,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 110 states have (on average 1.5272727272727273) internal successors, (168), 139 states have internal predecessors, (168), 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) [2024-11-12 17:05:21,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 208 transitions. [2024-11-12 17:05:21,593 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 208 transitions. Word has length 46 [2024-11-12 17:05:21,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:05:21,593 INFO L471 AbstractCegarLoop]: Abstraction has 161 states and 208 transitions. [2024-11-12 17:05:21,593 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 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) [2024-11-12 17:05:21,594 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 208 transitions. [2024-11-12 17:05:21,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-12 17:05:21,595 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:05:21,595 INFO L218 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] [2024-11-12 17:05:21,595 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-12 17:05:21,595 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)] === [2024-11-12 17:05:21,596 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:05:21,596 INFO L85 PathProgramCache]: Analyzing trace with hash -688334599, now seen corresponding path program 1 times [2024-11-12 17:05:21,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:05:21,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [195880820] [2024-11-12 17:05:21,596 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:05:21,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:05:21,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:21,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-12 17:05:21,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:21,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 17:05:21,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:21,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-12 17:05:21,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:21,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-12 17:05:21,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:21,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-12 17:05:21,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:21,685 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-12 17:05:21,685 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:05:21,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [195880820] [2024-11-12 17:05:21,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [195880820] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:05:21,685 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:05:21,686 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 17:05:21,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992869903] [2024-11-12 17:05:21,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:05:21,686 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 17:05:21,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:05:21,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 17:05:21,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 17:05:21,687 INFO L87 Difference]: Start difference. First operand 161 states and 208 transitions. Second operand has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 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) [2024-11-12 17:05:21,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:05:21,736 INFO L93 Difference]: Finished difference Result 166 states and 208 transitions. [2024-11-12 17:05:21,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 17:05:21,737 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 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 [2024-11-12 17:05:21,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:05:21,738 INFO L225 Difference]: With dead ends: 166 [2024-11-12 17:05:21,738 INFO L226 Difference]: Without dead ends: 165 [2024-11-12 17:05:21,738 INFO L434 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 [2024-11-12 17:05:21,739 INFO L435 NwaCegarLoop]: 71 mSDtfsCounter, 13 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 17:05:21,739 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 126 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 17:05:21,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2024-11-12 17:05:21,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 161. [2024-11-12 17:05:21,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 110 states have (on average 1.518181818181818) internal successors, (167), 139 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) [2024-11-12 17:05:21,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 207 transitions. [2024-11-12 17:05:21,751 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 207 transitions. Word has length 48 [2024-11-12 17:05:21,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:05:21,752 INFO L471 AbstractCegarLoop]: Abstraction has 161 states and 207 transitions. [2024-11-12 17:05:21,752 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 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) [2024-11-12 17:05:21,752 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 207 transitions. [2024-11-12 17:05:21,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-12 17:05:21,753 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:05:21,753 INFO L218 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] [2024-11-12 17:05:21,753 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-12 17:05:21,753 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)] === [2024-11-12 17:05:21,754 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:05:21,754 INFO L85 PathProgramCache]: Analyzing trace with hash -688334557, now seen corresponding path program 1 times [2024-11-12 17:05:21,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:05:21,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1063915598] [2024-11-12 17:05:21,754 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:05:21,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:05:21,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:21,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-12 17:05:21,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:21,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 17:05:21,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:21,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-12 17:05:21,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:21,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-12 17:05:21,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:21,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-12 17:05:21,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:21,885 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-12 17:05:21,886 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:05:21,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1063915598] [2024-11-12 17:05:21,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1063915598] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:05:21,886 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:05:21,886 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 17:05:21,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194462051] [2024-11-12 17:05:21,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:05:21,887 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 17:05:21,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:05:21,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 17:05:21,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-12 17:05:21,888 INFO L87 Difference]: Start difference. First operand 161 states and 207 transitions. Second operand has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 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) [2024-11-12 17:05:21,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:05:21,947 INFO L93 Difference]: Finished difference Result 161 states and 207 transitions. [2024-11-12 17:05:21,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 17:05:21,948 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 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 [2024-11-12 17:05:21,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:05:21,949 INFO L225 Difference]: With dead ends: 161 [2024-11-12 17:05:21,949 INFO L226 Difference]: Without dead ends: 160 [2024-11-12 17:05:21,949 INFO L434 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 [2024-11-12 17:05:21,950 INFO L435 NwaCegarLoop]: 42 mSDtfsCounter, 54 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 17:05:21,950 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 52 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 17:05:21,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2024-11-12 17:05:21,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 160. [2024-11-12 17:05:21,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 110 states have (on average 1.481818181818182) internal successors, (163), 138 states have internal predecessors, (163), 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) [2024-11-12 17:05:21,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 203 transitions. [2024-11-12 17:05:21,962 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 203 transitions. Word has length 48 [2024-11-12 17:05:21,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:05:21,963 INFO L471 AbstractCegarLoop]: Abstraction has 160 states and 203 transitions. [2024-11-12 17:05:21,963 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 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) [2024-11-12 17:05:21,963 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 203 transitions. [2024-11-12 17:05:21,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-12 17:05:21,964 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:05:21,964 INFO L218 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] [2024-11-12 17:05:21,964 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-12 17:05:21,964 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)] === [2024-11-12 17:05:21,965 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:05:21,965 INFO L85 PathProgramCache]: Analyzing trace with hash 136464035, now seen corresponding path program 1 times [2024-11-12 17:05:21,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:05:21,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425068074] [2024-11-12 17:05:21,965 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:05:21,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:05:21,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:22,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-12 17:05:22,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:22,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 17:05:22,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:22,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-12 17:05:22,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:22,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-12 17:05:22,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:22,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-12 17:05:22,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:22,049 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-12 17:05:22,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:05:22,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [425068074] [2024-11-12 17:05:22,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [425068074] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:05:22,050 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:05:22,050 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 17:05:22,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773977443] [2024-11-12 17:05:22,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:05:22,051 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 17:05:22,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:05:22,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 17:05:22,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-12 17:05:22,051 INFO L87 Difference]: Start difference. First operand 160 states and 203 transitions. Second operand has 5 states, 4 states have (on average 6.75) internal successors, (27), 5 states have internal predecessors, (27), 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) [2024-11-12 17:05:22,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:05:22,137 INFO L93 Difference]: Finished difference Result 160 states and 203 transitions. [2024-11-12 17:05:22,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 17:05:22,138 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.75) internal successors, (27), 5 states have internal predecessors, (27), 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 49 [2024-11-12 17:05:22,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:05:22,140 INFO L225 Difference]: With dead ends: 160 [2024-11-12 17:05:22,140 INFO L226 Difference]: Without dead ends: 159 [2024-11-12 17:05:22,140 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-12 17:05:22,141 INFO L435 NwaCegarLoop]: 63 mSDtfsCounter, 102 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 17:05:22,141 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 132 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 17:05:22,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2024-11-12 17:05:22,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 159. [2024-11-12 17:05:22,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 110 states have (on average 1.4636363636363636) internal successors, (161), 137 states have internal predecessors, (161), 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) [2024-11-12 17:05:22,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 201 transitions. [2024-11-12 17:05:22,156 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 201 transitions. Word has length 49 [2024-11-12 17:05:22,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:05:22,157 INFO L471 AbstractCegarLoop]: Abstraction has 159 states and 201 transitions. [2024-11-12 17:05:22,157 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.75) internal successors, (27), 5 states have internal predecessors, (27), 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) [2024-11-12 17:05:22,157 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 201 transitions. [2024-11-12 17:05:22,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-12 17:05:22,160 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:05:22,160 INFO L218 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] [2024-11-12 17:05:22,160 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-12 17:05:22,162 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)] === [2024-11-12 17:05:22,162 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:05:22,162 INFO L85 PathProgramCache]: Analyzing trace with hash 136465317, now seen corresponding path program 1 times [2024-11-12 17:05:22,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:05:22,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1282106305] [2024-11-12 17:05:22,162 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:05:22,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:05:22,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:22,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-12 17:05:22,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:22,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 17:05:22,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:22,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-12 17:05:22,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:22,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-12 17:05:22,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:22,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-12 17:05:22,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:22,248 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-12 17:05:22,248 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:05:22,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1282106305] [2024-11-12 17:05:22,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1282106305] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:05:22,249 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:05:22,249 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 17:05:22,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779064080] [2024-11-12 17:05:22,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:05:22,251 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 17:05:22,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:05:22,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 17:05:22,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-12 17:05:22,251 INFO L87 Difference]: Start difference. First operand 159 states and 201 transitions. Second operand has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 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) [2024-11-12 17:05:22,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:05:22,717 INFO L93 Difference]: Finished difference Result 211 states and 260 transitions. [2024-11-12 17:05:22,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-12 17:05:22,717 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 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 [2024-11-12 17:05:22,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:05:22,719 INFO L225 Difference]: With dead ends: 211 [2024-11-12 17:05:22,719 INFO L226 Difference]: Without dead ends: 210 [2024-11-12 17:05:22,719 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-11-12 17:05:22,720 INFO L435 NwaCegarLoop]: 71 mSDtfsCounter, 265 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 264 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 270 SdHoareTripleChecker+Valid, 214 SdHoareTripleChecker+Invalid, 299 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 264 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-12 17:05:22,720 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [270 Valid, 214 Invalid, 299 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 264 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-12 17:05:22,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2024-11-12 17:05:22,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 188. [2024-11-12 17:05:22,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 188 states, 134 states have (on average 1.4477611940298507) internal successors, (194), 161 states have internal predecessors, (194), 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) [2024-11-12 17:05:22,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 244 transitions. [2024-11-12 17:05:22,742 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 244 transitions. Word has length 49 [2024-11-12 17:05:22,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:05:22,743 INFO L471 AbstractCegarLoop]: Abstraction has 188 states and 244 transitions. [2024-11-12 17:05:22,743 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 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) [2024-11-12 17:05:22,743 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 244 transitions. [2024-11-12 17:05:22,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-12 17:05:22,744 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:05:22,744 INFO L218 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, 1] [2024-11-12 17:05:22,744 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-12 17:05:22,745 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)] === [2024-11-12 17:05:22,747 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:05:22,747 INFO L85 PathProgramCache]: Analyzing trace with hash -64582085, now seen corresponding path program 1 times [2024-11-12 17:05:22,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:05:22,747 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1481156930] [2024-11-12 17:05:22,747 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:05:22,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:05:22,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:22,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-12 17:05:22,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:22,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 17:05:22,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:22,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-12 17:05:22,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:22,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-12 17:05:22,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:22,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-12 17:05:22,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:22,878 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-12 17:05:22,878 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:05:22,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1481156930] [2024-11-12 17:05:22,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1481156930] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:05:22,879 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:05:22,879 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 17:05:22,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131345477] [2024-11-12 17:05:22,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:05:22,880 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 17:05:22,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:05:22,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 17:05:22,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-12 17:05:22,881 INFO L87 Difference]: Start difference. First operand 188 states and 244 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 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) [2024-11-12 17:05:22,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:05:22,997 INFO L93 Difference]: Finished difference Result 209 states and 257 transitions. [2024-11-12 17:05:22,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 17:05:22,997 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 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 50 [2024-11-12 17:05:22,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:05:22,999 INFO L225 Difference]: With dead ends: 209 [2024-11-12 17:05:22,999 INFO L226 Difference]: Without dead ends: 207 [2024-11-12 17:05:22,999 INFO L434 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 [2024-11-12 17:05:23,000 INFO L435 NwaCegarLoop]: 64 mSDtfsCounter, 41 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 17:05:23,000 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 147 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 17:05:23,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2024-11-12 17:05:23,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 192. [2024-11-12 17:05:23,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 192 states, 138 states have (on average 1.434782608695652) internal successors, (198), 165 states have internal predecessors, (198), 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) [2024-11-12 17:05:23,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 248 transitions. [2024-11-12 17:05:23,013 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 248 transitions. Word has length 50 [2024-11-12 17:05:23,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:05:23,014 INFO L471 AbstractCegarLoop]: Abstraction has 192 states and 248 transitions. [2024-11-12 17:05:23,014 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 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) [2024-11-12 17:05:23,014 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 248 transitions. [2024-11-12 17:05:23,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-12 17:05:23,014 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:05:23,014 INFO L218 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, 1] [2024-11-12 17:05:23,015 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-12 17:05:23,015 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)] === [2024-11-12 17:05:23,015 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:05:23,015 INFO L85 PathProgramCache]: Analyzing trace with hash -1090849636, now seen corresponding path program 1 times [2024-11-12 17:05:23,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:05:23,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636110676] [2024-11-12 17:05:23,015 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:05:23,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:05:23,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:05:23,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [314622226] [2024-11-12 17:05:23,027 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:05:23,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:05:23,027 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:05:23,029 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:05:23,030 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-12 17:05:23,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:23,080 INFO L256 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-12 17:05:23,082 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:05:23,374 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-12 17:05:23,374 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 17:05:23,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:05:23,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1636110676] [2024-11-12 17:05:23,375 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:05:23,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [314622226] [2024-11-12 17:05:23,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [314622226] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:05:23,375 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:05:23,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-12 17:05:23,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486547156] [2024-11-12 17:05:23,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:05:23,376 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-12 17:05:23,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:05:23,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-12 17:05:23,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-12 17:05:23,376 INFO L87 Difference]: Start difference. First operand 192 states and 248 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) [2024-11-12 17:05:23,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:05:23,778 INFO L93 Difference]: Finished difference Result 287 states and 369 transitions. [2024-11-12 17:05:23,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-12 17:05:23,779 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 [2024-11-12 17:05:23,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:05:23,780 INFO L225 Difference]: With dead ends: 287 [2024-11-12 17:05:23,780 INFO L226 Difference]: Without dead ends: 278 [2024-11-12 17:05:23,780 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2024-11-12 17:05:23,781 INFO L435 NwaCegarLoop]: 47 mSDtfsCounter, 241 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 330 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 252 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 369 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 330 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-12 17:05:23,781 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [252 Valid, 123 Invalid, 369 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 330 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-12 17:05:23,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2024-11-12 17:05:23,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 258. [2024-11-12 17:05:23,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 258 states, 194 states have (on average 1.402061855670103) internal successors, (272), 221 states have internal predecessors, (272), 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) [2024-11-12 17:05:23,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 342 transitions. [2024-11-12 17:05:23,802 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 342 transitions. Word has length 60 [2024-11-12 17:05:23,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:05:23,803 INFO L471 AbstractCegarLoop]: Abstraction has 258 states and 342 transitions. [2024-11-12 17:05:23,803 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) [2024-11-12 17:05:23,803 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 342 transitions. [2024-11-12 17:05:23,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-12 17:05:23,803 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:05:23,803 INFO L218 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, 1] [2024-11-12 17:05:23,821 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-12 17:05:24,004 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:05:24,004 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)] === [2024-11-12 17:05:24,005 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:05:24,005 INFO L85 PathProgramCache]: Analyzing trace with hash 543399709, now seen corresponding path program 1 times [2024-11-12 17:05:24,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:05:24,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520689125] [2024-11-12 17:05:24,005 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:05:24,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:05:24,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:05:24,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1077872543] [2024-11-12 17:05:24,021 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:05:24,021 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:05:24,021 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:05:24,023 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:05:24,024 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-12 17:05:24,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:24,075 INFO L256 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-12 17:05:24,077 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:05:24,333 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-12 17:05:24,334 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:05:25,167 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:05:25,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [520689125] [2024-11-12 17:05:25,168 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:05:25,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1077872543] [2024-11-12 17:05:25,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1077872543] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:05:25,168 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-12 17:05:25,168 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-12 17:05:25,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998721354] [2024-11-12 17:05:25,169 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-12 17:05:25,169 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-12 17:05:25,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:05:25,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-12 17:05:25,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-12 17:05:25,170 INFO L87 Difference]: Start difference. First operand 258 states and 342 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) [2024-11-12 17:05:25,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:05:25,429 INFO L93 Difference]: Finished difference Result 344 states and 449 transitions. [2024-11-12 17:05:25,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-12 17:05:25,430 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 [2024-11-12 17:05:25,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:05:25,432 INFO L225 Difference]: With dead ends: 344 [2024-11-12 17:05:25,432 INFO L226 Difference]: Without dead ends: 341 [2024-11-12 17:05:25,432 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2024-11-12 17:05:25,432 INFO L435 NwaCegarLoop]: 58 mSDtfsCounter, 129 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 253 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 143 SdHoareTripleChecker+Invalid, 256 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 253 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 17:05:25,433 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 143 Invalid, 256 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 253 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 17:05:25,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2024-11-12 17:05:25,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 314. [2024-11-12 17:05:25,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 314 states, 240 states have (on average 1.3916666666666666) internal successors, (334), 267 states have internal predecessors, (334), 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) [2024-11-12 17:05:25,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 314 states and 424 transitions. [2024-11-12 17:05:25,458 INFO L78 Accepts]: Start accepts. Automaton has 314 states and 424 transitions. Word has length 61 [2024-11-12 17:05:25,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:05:25,459 INFO L471 AbstractCegarLoop]: Abstraction has 314 states and 424 transitions. [2024-11-12 17:05:25,459 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) [2024-11-12 17:05:25,459 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 424 transitions. [2024-11-12 17:05:25,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-12 17:05:25,460 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:05:25,460 INFO L218 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, 1] [2024-11-12 17:05:25,478 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-12 17:05:25,662 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-12 17:05:25,662 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)] === [2024-11-12 17:05:25,663 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:05:25,663 INFO L85 PathProgramCache]: Analyzing trace with hash -334478146, now seen corresponding path program 1 times [2024-11-12 17:05:25,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:05:25,663 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [983072459] [2024-11-12 17:05:25,663 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:05:25,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:05:25,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:25,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-12 17:05:25,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:25,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 17:05:25,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:25,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-12 17:05:25,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:25,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-12 17:05:25,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:25,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-12 17:05:25,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:25,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 17:05:25,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:25,811 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-12 17:05:25,811 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:05:25,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [983072459] [2024-11-12 17:05:25,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [983072459] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:05:25,812 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:05:25,812 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 17:05:25,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308484764] [2024-11-12 17:05:25,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:05:25,812 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 17:05:25,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:05:25,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 17:05:25,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-12 17:05:25,813 INFO L87 Difference]: Start difference. First operand 314 states and 424 transitions. Second operand has 5 states, 4 states have (on average 8.75) internal successors, (35), 5 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) [2024-11-12 17:05:27,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:05:27,072 INFO L93 Difference]: Finished difference Result 445 states and 603 transitions. [2024-11-12 17:05:27,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-12 17:05:27,073 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.75) internal successors, (35), 5 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 [2024-11-12 17:05:27,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:05:27,075 INFO L225 Difference]: With dead ends: 445 [2024-11-12 17:05:27,075 INFO L226 Difference]: Without dead ends: 442 [2024-11-12 17:05:27,076 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-12 17:05:27,076 INFO L435 NwaCegarLoop]: 69 mSDtfsCounter, 129 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 238 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 262 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 238 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-12 17:05:27,076 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 173 Invalid, 262 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 238 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-12 17:05:27,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 442 states. [2024-11-12 17:05:27,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 442 to 320. [2024-11-12 17:05:27,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 320 states, 246 states have (on average 1.3658536585365855) internal successors, (336), 271 states have internal predecessors, (336), 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) [2024-11-12 17:05:27,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 320 states and 430 transitions. [2024-11-12 17:05:27,103 INFO L78 Accepts]: Start accepts. Automaton has 320 states and 430 transitions. Word has length 62 [2024-11-12 17:05:27,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:05:27,104 INFO L471 AbstractCegarLoop]: Abstraction has 320 states and 430 transitions. [2024-11-12 17:05:27,104 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.75) internal successors, (35), 5 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) [2024-11-12 17:05:27,104 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 430 transitions. [2024-11-12 17:05:27,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-12 17:05:27,106 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:05:27,106 INFO L218 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, 1] [2024-11-12 17:05:27,106 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-12 17:05:27,108 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)] === [2024-11-12 17:05:27,108 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:05:27,108 INFO L85 PathProgramCache]: Analyzing trace with hash -965738021, now seen corresponding path program 1 times [2024-11-12 17:05:27,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:05:27,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1387473192] [2024-11-12 17:05:27,108 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:05:27,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:05:27,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:05:27,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1012569584] [2024-11-12 17:05:27,127 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:05:27,128 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:05:27,128 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:05:27,129 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:05:27,131 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-12 17:05:27,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:27,185 INFO L256 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-12 17:05:27,187 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:05:27,341 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-12 17:05:27,341 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 17:05:27,341 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:05:27,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1387473192] [2024-11-12 17:05:27,342 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:05:27,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1012569584] [2024-11-12 17:05:27,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1012569584] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:05:27,342 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:05:27,342 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-12 17:05:27,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563942866] [2024-11-12 17:05:27,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:05:27,343 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-12 17:05:27,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:05:27,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-12 17:05:27,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-12 17:05:27,344 INFO L87 Difference]: Start difference. First operand 320 states and 430 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) [2024-11-12 17:05:27,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:05:27,592 INFO L93 Difference]: Finished difference Result 335 states and 454 transitions. [2024-11-12 17:05:27,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-12 17:05:27,592 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 [2024-11-12 17:05:27,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:05:27,594 INFO L225 Difference]: With dead ends: 335 [2024-11-12 17:05:27,594 INFO L226 Difference]: Without dead ends: 331 [2024-11-12 17:05:27,594 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-12 17:05:27,595 INFO L435 NwaCegarLoop]: 58 mSDtfsCounter, 133 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 265 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 265 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 17:05:27,595 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 135 Invalid, 275 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 265 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 17:05:27,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2024-11-12 17:05:27,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 316. [2024-11-12 17:05:27,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 316 states, 246 states have (on average 1.3373983739837398) internal successors, (329), 267 states have internal predecessors, (329), 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) [2024-11-12 17:05:27,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 423 transitions. [2024-11-12 17:05:27,630 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 423 transitions. Word has length 62 [2024-11-12 17:05:27,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:05:27,630 INFO L471 AbstractCegarLoop]: Abstraction has 316 states and 423 transitions. [2024-11-12 17:05:27,630 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) [2024-11-12 17:05:27,631 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 423 transitions. [2024-11-12 17:05:27,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-12 17:05:27,631 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:05:27,631 INFO L218 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, 1] [2024-11-12 17:05:27,649 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-12 17:05:27,832 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-12 17:05:27,832 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)] === [2024-11-12 17:05:27,832 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:05:27,832 INFO L85 PathProgramCache]: Analyzing trace with hash -1778887873, now seen corresponding path program 1 times [2024-11-12 17:05:27,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:05:27,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447149546] [2024-11-12 17:05:27,833 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:05:27,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:05:27,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:05:27,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1968515389] [2024-11-12 17:05:27,845 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:05:27,845 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:05:27,845 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:05:27,847 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:05:27,848 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-12 17:05:27,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:27,894 INFO L256 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-12 17:05:27,896 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:05:28,108 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-12 17:05:28,108 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:05:28,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:05:28,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [447149546] [2024-11-12 17:05:28,347 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:05:28,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1968515389] [2024-11-12 17:05:28,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1968515389] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:05:28,347 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-12 17:05:28,347 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-12 17:05:28,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880525674] [2024-11-12 17:05:28,348 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-12 17:05:28,348 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-12 17:05:28,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:05:28,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-12 17:05:28,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2024-11-12 17:05:28,349 INFO L87 Difference]: Start difference. First operand 316 states and 423 transitions. Second operand has 7 states, 6 states have (on average 6.0) internal successors, (36), 7 states have internal predecessors, (36), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-12 17:05:28,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:05:28,985 INFO L93 Difference]: Finished difference Result 339 states and 433 transitions. [2024-11-12 17:05:28,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-12 17:05:28,986 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 6.0) internal successors, (36), 7 states have internal predecessors, (36), 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 63 [2024-11-12 17:05:28,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:05:28,988 INFO L225 Difference]: With dead ends: 339 [2024-11-12 17:05:28,988 INFO L226 Difference]: Without dead ends: 332 [2024-11-12 17:05:28,988 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2024-11-12 17:05:28,989 INFO L435 NwaCegarLoop]: 69 mSDtfsCounter, 223 mSDsluCounter, 129 mSDsCounter, 0 mSdLazyCounter, 361 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 229 SdHoareTripleChecker+Valid, 198 SdHoareTripleChecker+Invalid, 389 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 361 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-12 17:05:28,990 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [229 Valid, 198 Invalid, 389 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 361 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-12 17:05:28,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2024-11-12 17:05:29,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 314. [2024-11-12 17:05:29,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 314 states, 244 states have (on average 1.3237704918032787) internal successors, (323), 265 states have internal predecessors, (323), 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) [2024-11-12 17:05:29,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 314 states and 417 transitions. [2024-11-12 17:05:29,017 INFO L78 Accepts]: Start accepts. Automaton has 314 states and 417 transitions. Word has length 63 [2024-11-12 17:05:29,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:05:29,018 INFO L471 AbstractCegarLoop]: Abstraction has 314 states and 417 transitions. [2024-11-12 17:05:29,018 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 6.0) internal successors, (36), 7 states have internal predecessors, (36), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-12 17:05:29,018 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 417 transitions. [2024-11-12 17:05:29,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-12 17:05:29,018 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:05:29,019 INFO L218 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, 1] [2024-11-12 17:05:29,034 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-12 17:05:29,222 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:05:29,223 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)] === [2024-11-12 17:05:29,223 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:05:29,224 INFO L85 PathProgramCache]: Analyzing trace with hash 126892501, now seen corresponding path program 1 times [2024-11-12 17:05:29,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:05:29,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1860258441] [2024-11-12 17:05:29,224 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:05:29,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:05:29,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:05:29,258 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1650290978] [2024-11-12 17:05:29,258 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:05:29,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:05:29,259 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:05:29,261 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:05:29,262 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-12 17:05:29,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:29,311 INFO L256 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-12 17:05:29,316 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:05:29,466 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-12 17:05:29,466 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:05:29,926 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:05:29,926 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1860258441] [2024-11-12 17:05:29,926 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:05:29,926 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1650290978] [2024-11-12 17:05:29,926 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1650290978] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:05:29,926 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-12 17:05:29,927 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-12 17:05:29,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461274879] [2024-11-12 17:05:29,927 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-12 17:05:29,927 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-12 17:05:29,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:05:29,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-12 17:05:29,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-12 17:05:29,928 INFO L87 Difference]: Start difference. First operand 314 states and 417 transitions. Second operand has 7 states, 6 states have (on average 6.0) internal successors, (36), 7 states have internal predecessors, (36), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-12 17:05:30,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:05:30,225 INFO L93 Difference]: Finished difference Result 508 states and 708 transitions. [2024-11-12 17:05:30,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-12 17:05:30,225 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 6.0) internal successors, (36), 7 states have internal predecessors, (36), 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 63 [2024-11-12 17:05:30,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:05:30,228 INFO L225 Difference]: With dead ends: 508 [2024-11-12 17:05:30,228 INFO L226 Difference]: Without dead ends: 504 [2024-11-12 17:05:30,228 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-12 17:05:30,229 INFO L435 NwaCegarLoop]: 70 mSDtfsCounter, 114 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 362 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 368 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 362 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-12 17:05:30,229 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 212 Invalid, 368 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 362 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-12 17:05:30,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 504 states. [2024-11-12 17:05:30,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 504 to 408. [2024-11-12 17:05:30,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 408 states, 322 states have (on average 1.313664596273292) internal successors, (423), 343 states have internal predecessors, (423), 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) [2024-11-12 17:05:30,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 408 states and 549 transitions. [2024-11-12 17:05:30,263 INFO L78 Accepts]: Start accepts. Automaton has 408 states and 549 transitions. Word has length 63 [2024-11-12 17:05:30,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:05:30,264 INFO L471 AbstractCegarLoop]: Abstraction has 408 states and 549 transitions. [2024-11-12 17:05:30,264 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 6.0) internal successors, (36), 7 states have internal predecessors, (36), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-12 17:05:30,264 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 549 transitions. [2024-11-12 17:05:30,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-12 17:05:30,265 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:05:30,265 INFO L218 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, 1] [2024-11-12 17:05:30,282 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-12 17:05:30,465 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:05:30,466 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)] === [2024-11-12 17:05:30,466 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:05:30,466 INFO L85 PathProgramCache]: Analyzing trace with hash 72761818, now seen corresponding path program 1 times [2024-11-12 17:05:30,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:05:30,466 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1429236888] [2024-11-12 17:05:30,466 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:05:30,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:05:30,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:30,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-12 17:05:30,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:30,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 17:05:30,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:30,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-12 17:05:30,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:30,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-12 17:05:30,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:30,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-12 17:05:30,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:30,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-12 17:05:30,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:30,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-12 17:05:30,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:30,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-12 17:05:30,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:30,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 17:05:30,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:30,559 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-12 17:05:30,559 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:05:30,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1429236888] [2024-11-12 17:05:30,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1429236888] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:05:30,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [248263480] [2024-11-12 17:05:30,559 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:05:30,560 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:05:30,560 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:05:30,561 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:05:30,563 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-12 17:05:30,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:30,628 INFO L256 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-12 17:05:30,629 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:05:30,678 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-12 17:05:30,678 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:05:30,810 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-12 17:05:30,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [248263480] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 17:05:30,810 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 17:05:30,811 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-11-12 17:05:30,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697449656] [2024-11-12 17:05:30,811 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 17:05:30,811 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-12 17:05:30,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:05:30,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-12 17:05:30,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-12 17:05:30,812 INFO L87 Difference]: Start difference. First operand 408 states and 549 transitions. Second operand has 8 states, 7 states have (on average 9.714285714285714) internal successors, (68), 8 states have internal predecessors, (68), 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) [2024-11-12 17:05:31,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:05:31,419 INFO L93 Difference]: Finished difference Result 646 states and 883 transitions. [2024-11-12 17:05:31,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-12 17:05:31,419 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 9.714285714285714) internal successors, (68), 8 states have internal predecessors, (68), 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 83 [2024-11-12 17:05:31,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:05:31,422 INFO L225 Difference]: With dead ends: 646 [2024-11-12 17:05:31,423 INFO L226 Difference]: Without dead ends: 644 [2024-11-12 17:05:31,424 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90 [2024-11-12 17:05:31,425 INFO L435 NwaCegarLoop]: 76 mSDtfsCounter, 189 mSDsluCounter, 213 mSDsCounter, 0 mSdLazyCounter, 307 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 202 SdHoareTripleChecker+Valid, 289 SdHoareTripleChecker+Invalid, 322 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 307 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-12 17:05:31,425 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [202 Valid, 289 Invalid, 322 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 307 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-12 17:05:31,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 644 states. [2024-11-12 17:05:31,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 644 to 547. [2024-11-12 17:05:31,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 547 states, 434 states have (on average 1.3110599078341014) internal successors, (569), 454 states have internal predecessors, (569), 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) [2024-11-12 17:05:31,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 547 states and 751 transitions. [2024-11-12 17:05:31,467 INFO L78 Accepts]: Start accepts. Automaton has 547 states and 751 transitions. Word has length 83 [2024-11-12 17:05:31,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:05:31,467 INFO L471 AbstractCegarLoop]: Abstraction has 547 states and 751 transitions. [2024-11-12 17:05:31,468 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 9.714285714285714) internal successors, (68), 8 states have internal predecessors, (68), 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) [2024-11-12 17:05:31,468 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 751 transitions. [2024-11-12 17:05:31,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-12 17:05:31,469 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:05:31,469 INFO L218 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, 1] [2024-11-12 17:05:31,485 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-12 17:05:31,669 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2024-11-12 17:05:31,670 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)] === [2024-11-12 17:05:31,670 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:05:31,670 INFO L85 PathProgramCache]: Analyzing trace with hash -2039350843, now seen corresponding path program 1 times [2024-11-12 17:05:31,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:05:31,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186495120] [2024-11-12 17:05:31,670 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:05:31,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:05:31,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:31,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-12 17:05:31,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:31,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 17:05:31,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:31,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-12 17:05:31,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:31,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-12 17:05:31,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:31,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-12 17:05:31,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:31,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-12 17:05:31,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:31,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-12 17:05:31,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:31,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-12 17:05:31,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:31,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 17:05:31,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:31,792 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-12 17:05:31,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:05:31,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186495120] [2024-11-12 17:05:31,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [186495120] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:05:31,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2066953001] [2024-11-12 17:05:31,793 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:05:31,793 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:05:31,793 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:05:31,795 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:05:31,796 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-12 17:05:31,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:31,845 INFO L256 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-12 17:05:31,847 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:05:31,911 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-12 17:05:31,912 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:05:32,036 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-12 17:05:32,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2066953001] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 17:05:32,036 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 17:05:32,036 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 10 [2024-11-12 17:05:32,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698133424] [2024-11-12 17:05:32,036 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 17:05:32,037 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-12 17:05:32,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:05:32,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-12 17:05:32,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2024-11-12 17:05:32,038 INFO L87 Difference]: Start difference. First operand 547 states and 751 transitions. Second operand has 11 states, 10 states have (on average 10.3) internal successors, (103), 11 states have internal predecessors, (103), 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) [2024-11-12 17:05:32,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:05:32,906 INFO L93 Difference]: Finished difference Result 662 states and 879 transitions. [2024-11-12 17:05:32,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-12 17:05:32,907 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 10.3) internal successors, (103), 11 states have internal predecessors, (103), 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 84 [2024-11-12 17:05:32,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:05:32,912 INFO L225 Difference]: With dead ends: 662 [2024-11-12 17:05:32,912 INFO L226 Difference]: Without dead ends: 660 [2024-11-12 17:05:32,912 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=165, Invalid=341, Unknown=0, NotChecked=0, Total=506 [2024-11-12 17:05:32,913 INFO L435 NwaCegarLoop]: 69 mSDtfsCounter, 757 mSDsluCounter, 241 mSDsCounter, 0 mSdLazyCounter, 320 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 760 SdHoareTripleChecker+Valid, 310 SdHoareTripleChecker+Invalid, 419 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 320 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-12 17:05:32,913 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [760 Valid, 310 Invalid, 419 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 320 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-12 17:05:32,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 660 states. [2024-11-12 17:05:32,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 660 to 549. [2024-11-12 17:05:32,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 549 states, 437 states have (on average 1.2608695652173914) internal successors, (551), 456 states have internal predecessors, (551), 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) [2024-11-12 17:05:32,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 549 states and 733 transitions. [2024-11-12 17:05:32,978 INFO L78 Accepts]: Start accepts. Automaton has 549 states and 733 transitions. Word has length 84 [2024-11-12 17:05:32,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:05:32,978 INFO L471 AbstractCegarLoop]: Abstraction has 549 states and 733 transitions. [2024-11-12 17:05:32,978 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 10.3) internal successors, (103), 11 states have internal predecessors, (103), 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) [2024-11-12 17:05:32,978 INFO L276 IsEmpty]: Start isEmpty. Operand 549 states and 733 transitions. [2024-11-12 17:05:32,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-12 17:05:32,979 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:05:32,979 INFO L218 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] [2024-11-12 17:05:32,995 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-11-12 17:05:33,180 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-11-12 17:05:33,180 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)] === [2024-11-12 17:05:33,181 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:05:33,181 INFO L85 PathProgramCache]: Analyzing trace with hash -1311069987, now seen corresponding path program 1 times [2024-11-12 17:05:33,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:05:33,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1055735493] [2024-11-12 17:05:33,182 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:05:33,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:05:33,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:33,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-12 17:05:33,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:33,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 17:05:33,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:33,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-12 17:05:33,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:33,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-12 17:05:33,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:33,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-12 17:05:33,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:33,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-12 17:05:33,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:33,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-12 17:05:33,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:33,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-12 17:05:33,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:33,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 17:05:33,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:33,336 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-12 17:05:33,336 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:05:33,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1055735493] [2024-11-12 17:05:33,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1055735493] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:05:33,336 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:05:33,337 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 17:05:33,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602928704] [2024-11-12 17:05:33,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:05:33,337 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 17:05:33,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:05:33,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 17:05:33,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 17:05:33,338 INFO L87 Difference]: Start difference. First operand 549 states and 733 transitions. Second operand has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 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) [2024-11-12 17:05:33,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:05:33,419 INFO L93 Difference]: Finished difference Result 549 states and 733 transitions. [2024-11-12 17:05:33,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 17:05:33,420 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 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 86 [2024-11-12 17:05:33,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:05:33,423 INFO L225 Difference]: With dead ends: 549 [2024-11-12 17:05:33,423 INFO L226 Difference]: Without dead ends: 548 [2024-11-12 17:05:33,423 INFO L434 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 [2024-11-12 17:05:33,424 INFO L435 NwaCegarLoop]: 60 mSDtfsCounter, 18 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 17:05:33,425 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 126 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 17:05:33,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 548 states. [2024-11-12 17:05:33,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 548 to 548. [2024-11-12 17:05:33,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 548 states, 437 states have (on average 1.2517162471395882) internal successors, (547), 455 states have internal predecessors, (547), 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) [2024-11-12 17:05:33,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 548 states and 729 transitions. [2024-11-12 17:05:33,470 INFO L78 Accepts]: Start accepts. Automaton has 548 states and 729 transitions. Word has length 86 [2024-11-12 17:05:33,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:05:33,471 INFO L471 AbstractCegarLoop]: Abstraction has 548 states and 729 transitions. [2024-11-12 17:05:33,471 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 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) [2024-11-12 17:05:33,471 INFO L276 IsEmpty]: Start isEmpty. Operand 548 states and 729 transitions. [2024-11-12 17:05:33,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-12 17:05:33,472 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:05:33,472 INFO L218 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] [2024-11-12 17:05:33,472 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-12 17:05:33,472 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)] === [2024-11-12 17:05:33,472 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:05:33,472 INFO L85 PathProgramCache]: Analyzing trace with hash -1512835809, now seen corresponding path program 1 times [2024-11-12 17:05:33,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:05:33,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [864362039] [2024-11-12 17:05:33,473 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:05:33,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:05:33,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:33,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-12 17:05:33,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:33,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 17:05:33,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:33,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-12 17:05:33,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:33,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-12 17:05:33,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:33,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-12 17:05:33,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:33,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-12 17:05:33,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:33,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-12 17:05:33,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:33,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-12 17:05:33,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:33,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 17:05:33,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:33,643 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-12 17:05:33,643 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:05:33,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [864362039] [2024-11-12 17:05:33,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [864362039] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:05:33,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [770717612] [2024-11-12 17:05:33,644 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:05:33,644 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:05:33,644 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:05:33,646 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:05:33,670 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-12 17:05:33,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:33,730 INFO L256 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-12 17:05:33,732 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:05:33,921 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-12 17:05:33,922 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 17:05:33,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [770717612] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:05:33,922 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-12 17:05:33,922 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2024-11-12 17:05:33,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755197246] [2024-11-12 17:05:33,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:05:33,923 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 17:05:33,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:05:33,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 17:05:33,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-11-12 17:05:33,924 INFO L87 Difference]: Start difference. First operand 548 states and 729 transitions. Second operand has 5 states, 4 states have (on average 11.5) internal successors, (46), 5 states have internal predecessors, (46), 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) [2024-11-12 17:05:34,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:05:34,256 INFO L93 Difference]: Finished difference Result 559 states and 748 transitions. [2024-11-12 17:05:34,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 17:05:34,257 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.5) internal successors, (46), 5 states have internal predecessors, (46), 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 88 [2024-11-12 17:05:34,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:05:34,260 INFO L225 Difference]: With dead ends: 559 [2024-11-12 17:05:34,260 INFO L226 Difference]: Without dead ends: 558 [2024-11-12 17:05:34,260 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-11-12 17:05:34,261 INFO L435 NwaCegarLoop]: 67 mSDtfsCounter, 40 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 161 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 138 SdHoareTripleChecker+Invalid, 164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-12 17:05:34,262 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 138 Invalid, 164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 161 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-12 17:05:34,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 558 states. [2024-11-12 17:05:34,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 558 to 547. [2024-11-12 17:05:34,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 547 states, 437 states have (on average 1.2448512585812357) internal successors, (544), 454 states have internal predecessors, (544), 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) [2024-11-12 17:05:34,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 547 states and 726 transitions. [2024-11-12 17:05:34,304 INFO L78 Accepts]: Start accepts. Automaton has 547 states and 726 transitions. Word has length 88 [2024-11-12 17:05:34,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:05:34,304 INFO L471 AbstractCegarLoop]: Abstraction has 547 states and 726 transitions. [2024-11-12 17:05:34,304 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.5) internal successors, (46), 5 states have internal predecessors, (46), 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) [2024-11-12 17:05:34,304 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 726 transitions. [2024-11-12 17:05:34,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-12 17:05:34,305 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:05:34,305 INFO L218 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, 1] [2024-11-12 17:05:34,321 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-11-12 17:05:34,506 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:05:34,507 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)] === [2024-11-12 17:05:34,507 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:05:34,507 INFO L85 PathProgramCache]: Analyzing trace with hash 346730305, now seen corresponding path program 1 times [2024-11-12 17:05:34,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:05:34,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [650082657] [2024-11-12 17:05:34,508 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:05:34,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:05:34,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:34,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-12 17:05:34,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:34,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 17:05:34,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:34,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-12 17:05:34,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:34,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-12 17:05:34,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:34,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-12 17:05:34,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:34,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-12 17:05:34,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:34,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-12 17:05:34,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:34,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-12 17:05:34,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:34,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 17:05:34,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:34,615 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-12 17:05:34,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:05:34,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [650082657] [2024-11-12 17:05:34,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [650082657] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:05:34,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [675707209] [2024-11-12 17:05:34,616 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:05:34,616 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:05:34,616 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:05:34,618 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:05:34,620 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-12 17:05:34,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:34,676 INFO L256 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-12 17:05:34,678 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:05:34,822 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-12 17:05:34,822 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:05:34,945 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-12 17:05:34,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [675707209] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 17:05:34,945 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 17:05:34,945 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 10 [2024-11-12 17:05:34,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [603742868] [2024-11-12 17:05:34,946 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 17:05:34,946 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-12 17:05:34,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:05:34,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-12 17:05:34,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2024-11-12 17:05:34,947 INFO L87 Difference]: Start difference. First operand 547 states and 726 transitions. Second operand has 11 states, 10 states have (on average 12.9) internal successors, (129), 11 states have internal predecessors, (129), 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) [2024-11-12 17:05:35,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:05:35,418 INFO L93 Difference]: Finished difference Result 749 states and 1003 transitions. [2024-11-12 17:05:35,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-12 17:05:35,419 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 12.9) internal successors, (129), 11 states have internal predecessors, (129), 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 89 [2024-11-12 17:05:35,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:05:35,422 INFO L225 Difference]: With dead ends: 749 [2024-11-12 17:05:35,425 INFO L226 Difference]: Without dead ends: 747 [2024-11-12 17:05:35,426 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=141, Unknown=0, NotChecked=0, Total=240 [2024-11-12 17:05:35,427 INFO L435 NwaCegarLoop]: 37 mSDtfsCounter, 240 mSDsluCounter, 209 mSDsCounter, 0 mSdLazyCounter, 314 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 247 SdHoareTripleChecker+Valid, 246 SdHoareTripleChecker+Invalid, 363 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 314 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-12 17:05:35,428 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [247 Valid, 246 Invalid, 363 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 314 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-12 17:05:35,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 747 states. [2024-11-12 17:05:35,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 747 to 623. [2024-11-12 17:05:35,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 623 states, 504 states have (on average 1.2380952380952381) internal successors, (624), 521 states have internal predecessors, (624), 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) [2024-11-12 17:05:35,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 623 states and 824 transitions. [2024-11-12 17:05:35,478 INFO L78 Accepts]: Start accepts. Automaton has 623 states and 824 transitions. Word has length 89 [2024-11-12 17:05:35,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:05:35,479 INFO L471 AbstractCegarLoop]: Abstraction has 623 states and 824 transitions. [2024-11-12 17:05:35,479 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 12.9) internal successors, (129), 11 states have internal predecessors, (129), 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) [2024-11-12 17:05:35,479 INFO L276 IsEmpty]: Start isEmpty. Operand 623 states and 824 transitions. [2024-11-12 17:05:35,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-12 17:05:35,481 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:05:35,481 INFO L218 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, 1] [2024-11-12 17:05:35,507 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-11-12 17:05:35,685 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:05:35,685 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)] === [2024-11-12 17:05:35,686 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:05:35,686 INFO L85 PathProgramCache]: Analyzing trace with hash -627337340, now seen corresponding path program 1 times [2024-11-12 17:05:35,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:05:35,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589207392] [2024-11-12 17:05:35,686 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:05:35,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:05:35,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:35,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-12 17:05:35,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:35,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 17:05:35,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:35,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-12 17:05:35,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:35,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-12 17:05:35,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:35,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-12 17:05:35,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:35,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 17:05:35,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:35,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-12 17:05:35,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:35,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-12 17:05:35,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:35,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 17:05:35,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:35,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-12 17:05:35,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:35,802 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-12 17:05:35,803 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:05:35,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589207392] [2024-11-12 17:05:35,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [589207392] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:05:35,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1332689212] [2024-11-12 17:05:35,804 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:05:35,804 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:05:35,804 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:05:35,806 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:05:35,808 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-12 17:05:35,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:35,860 INFO L256 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-12 17:05:35,862 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:05:35,961 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-12 17:05:35,961 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:05:36,134 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 13 proven. 10 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-12 17:05:36,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1332689212] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 17:05:36,135 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 17:05:36,135 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 9 [2024-11-12 17:05:36,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091512505] [2024-11-12 17:05:36,135 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 17:05:36,136 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-12 17:05:36,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:05:36,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-12 17:05:36,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-11-12 17:05:36,138 INFO L87 Difference]: Start difference. First operand 623 states and 824 transitions. Second operand has 10 states, 9 states have (on average 9.444444444444445) internal successors, (85), 10 states have internal predecessors, (85), 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) [2024-11-12 17:05:36,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:05:36,586 INFO L93 Difference]: Finished difference Result 627 states and 824 transitions. [2024-11-12 17:05:36,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-12 17:05:36,587 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 9.444444444444445) internal successors, (85), 10 states have internal predecessors, (85), 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 96 [2024-11-12 17:05:36,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:05:36,590 INFO L225 Difference]: With dead ends: 627 [2024-11-12 17:05:36,590 INFO L226 Difference]: Without dead ends: 626 [2024-11-12 17:05:36,591 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 225 GetRequests, 206 SyntacticMatches, 2 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=103, Invalid=239, Unknown=0, NotChecked=0, Total=342 [2024-11-12 17:05:36,591 INFO L435 NwaCegarLoop]: 70 mSDtfsCounter, 253 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 436 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 253 SdHoareTripleChecker+Valid, 265 SdHoareTripleChecker+Invalid, 478 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 436 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-12 17:05:36,591 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [253 Valid, 265 Invalid, 478 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 436 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-12 17:05:36,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 626 states. [2024-11-12 17:05:36,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 626 to 593. [2024-11-12 17:05:36,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 593 states, 480 states have (on average 1.23125) internal successors, (591), 496 states have internal predecessors, (591), 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) [2024-11-12 17:05:36,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 593 states and 781 transitions. [2024-11-12 17:05:36,661 INFO L78 Accepts]: Start accepts. Automaton has 593 states and 781 transitions. Word has length 96 [2024-11-12 17:05:36,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:05:36,662 INFO L471 AbstractCegarLoop]: Abstraction has 593 states and 781 transitions. [2024-11-12 17:05:36,662 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 9.444444444444445) internal successors, (85), 10 states have internal predecessors, (85), 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) [2024-11-12 17:05:36,662 INFO L276 IsEmpty]: Start isEmpty. Operand 593 states and 781 transitions. [2024-11-12 17:05:36,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-12 17:05:36,663 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:05:36,663 INFO L218 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, 1] [2024-11-12 17:05:36,680 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-11-12 17:05:36,867 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-11-12 17:05:36,868 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)] === [2024-11-12 17:05:36,868 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:05:36,868 INFO L85 PathProgramCache]: Analyzing trace with hash -1353707904, now seen corresponding path program 1 times [2024-11-12 17:05:36,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:05:36,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004806703] [2024-11-12 17:05:36,869 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:05:36,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:05:36,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:05:36,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1057014463] [2024-11-12 17:05:36,883 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:05:36,883 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:05:36,883 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:05:36,885 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:05:36,886 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-12 17:05:36,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:36,940 INFO L256 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-12 17:05:36,941 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:05:37,400 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 5 proven. 13 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-12 17:05:37,400 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:05:37,586 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:05:37,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2004806703] [2024-11-12 17:05:37,587 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:05:37,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1057014463] [2024-11-12 17:05:37,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1057014463] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:05:37,587 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-12 17:05:37,588 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-12 17:05:37,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1709967241] [2024-11-12 17:05:37,588 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-12 17:05:37,588 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-12 17:05:37,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:05:37,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-12 17:05:37,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2024-11-12 17:05:37,589 INFO L87 Difference]: Start difference. First operand 593 states and 781 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) [2024-11-12 17:05:38,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:05:38,383 INFO L93 Difference]: Finished difference Result 1061 states and 1435 transitions. [2024-11-12 17:05:38,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-12 17:05:38,383 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 [2024-11-12 17:05:38,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:05:38,388 INFO L225 Difference]: With dead ends: 1061 [2024-11-12 17:05:38,388 INFO L226 Difference]: Without dead ends: 1058 [2024-11-12 17:05:38,389 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=106, Invalid=236, Unknown=0, NotChecked=0, Total=342 [2024-11-12 17:05:38,389 INFO L435 NwaCegarLoop]: 77 mSDtfsCounter, 210 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 680 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 217 SdHoareTripleChecker+Valid, 170 SdHoareTripleChecker+Invalid, 719 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 680 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-12 17:05:38,390 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [217 Valid, 170 Invalid, 719 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 680 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-12 17:05:38,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1058 states. [2024-11-12 17:05:38,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1058 to 635. [2024-11-12 17:05:38,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 635 states, 513 states have (on average 1.2358674463937622) internal successors, (634), 529 states have internal predecessors, (634), 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) [2024-11-12 17:05:38,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 635 states and 842 transitions. [2024-11-12 17:05:38,455 INFO L78 Accepts]: Start accepts. Automaton has 635 states and 842 transitions. Word has length 98 [2024-11-12 17:05:38,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:05:38,455 INFO L471 AbstractCegarLoop]: Abstraction has 635 states and 842 transitions. [2024-11-12 17:05:38,455 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) [2024-11-12 17:05:38,456 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 842 transitions. [2024-11-12 17:05:38,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-12 17:05:38,456 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:05:38,457 INFO L218 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, 1] [2024-11-12 17:05:38,473 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-11-12 17:05:38,660 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-11-12 17:05:38,661 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)] === [2024-11-12 17:05:38,661 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:05:38,661 INFO L85 PathProgramCache]: Analyzing trace with hash 984727993, now seen corresponding path program 1 times [2024-11-12 17:05:38,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:05:38,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2036281904] [2024-11-12 17:05:38,661 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:05:38,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:05:38,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:05:38,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1490263333] [2024-11-12 17:05:38,678 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:05:38,678 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:05:38,678 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:05:38,680 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:05:38,681 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-12 17:05:38,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:38,734 INFO L256 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-12 17:05:38,736 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:05:39,116 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-12 17:05:39,116 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:05:39,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:05:39,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2036281904] [2024-11-12 17:05:39,763 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:05:39,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1490263333] [2024-11-12 17:05:39,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1490263333] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:05:39,763 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-12 17:05:39,763 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-12 17:05:39,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457016045] [2024-11-12 17:05:39,763 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-12 17:05:39,764 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-12 17:05:39,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:05:39,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-12 17:05:39,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2024-11-12 17:05:39,765 INFO L87 Difference]: Start difference. First operand 635 states and 842 transitions. Second operand has 10 states, 9 states have (on average 5.777777777777778) internal successors, (52), 10 states have internal predecessors, (52), 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) [2024-11-12 17:05:40,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:05:40,284 INFO L93 Difference]: Finished difference Result 726 states and 954 transitions. [2024-11-12 17:05:40,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-12 17:05:40,284 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 5.777777777777778) internal successors, (52), 10 states have internal predecessors, (52), 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 99 [2024-11-12 17:05:40,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:05:40,291 INFO L225 Difference]: With dead ends: 726 [2024-11-12 17:05:40,291 INFO L226 Difference]: Without dead ends: 723 [2024-11-12 17:05:40,292 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2024-11-12 17:05:40,292 INFO L435 NwaCegarLoop]: 71 mSDtfsCounter, 72 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 564 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 256 SdHoareTripleChecker+Invalid, 566 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 564 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-12 17:05:40,292 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 256 Invalid, 566 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 564 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-12 17:05:40,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 723 states. [2024-11-12 17:05:40,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 723 to 702. [2024-11-12 17:05:40,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 702 states, 568 states have (on average 1.232394366197183) internal successors, (700), 584 states have internal predecessors, (700), 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) [2024-11-12 17:05:40,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 702 states to 702 states and 932 transitions. [2024-11-12 17:05:40,367 INFO L78 Accepts]: Start accepts. Automaton has 702 states and 932 transitions. Word has length 99 [2024-11-12 17:05:40,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:05:40,368 INFO L471 AbstractCegarLoop]: Abstraction has 702 states and 932 transitions. [2024-11-12 17:05:40,368 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 5.777777777777778) internal successors, (52), 10 states have internal predecessors, (52), 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) [2024-11-12 17:05:40,368 INFO L276 IsEmpty]: Start isEmpty. Operand 702 states and 932 transitions. [2024-11-12 17:05:40,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-12 17:05:40,369 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:05:40,369 INFO L218 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, 1] [2024-11-12 17:05:40,386 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-11-12 17:05:40,573 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2024-11-12 17:05:40,574 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)] === [2024-11-12 17:05:40,574 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:05:40,574 INFO L85 PathProgramCache]: Analyzing trace with hash 461796770, now seen corresponding path program 1 times [2024-11-12 17:05:40,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:05:40,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740270191] [2024-11-12 17:05:40,574 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:05:40,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:05:40,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:40,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-12 17:05:40,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:40,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 17:05:40,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:40,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-12 17:05:40,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:40,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-12 17:05:40,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:40,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-12 17:05:40,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:40,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-12 17:05:40,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:40,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-12 17:05:40,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:40,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-12 17:05:40,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:40,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 17:05:40,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:40,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 17:05:40,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:40,654 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-12 17:05:40,654 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:05:40,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1740270191] [2024-11-12 17:05:40,654 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1740270191] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:05:40,655 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:05:40,655 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 17:05:40,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1902905696] [2024-11-12 17:05:40,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:05:40,655 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 17:05:40,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:05:40,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 17:05:40,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-12 17:05:40,656 INFO L87 Difference]: Start difference. First operand 702 states and 932 transitions. Second operand has 6 states, 5 states have (on average 10.6) internal successors, (53), 6 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) [2024-11-12 17:05:41,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:05:41,482 INFO L93 Difference]: Finished difference Result 706 states and 932 transitions. [2024-11-12 17:05:41,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-12 17:05:41,484 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.6) internal successors, (53), 6 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 [2024-11-12 17:05:41,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:05:41,487 INFO L225 Difference]: With dead ends: 706 [2024-11-12 17:05:41,487 INFO L226 Difference]: Without dead ends: 705 [2024-11-12 17:05:41,488 INFO L434 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 [2024-11-12 17:05:41,488 INFO L435 NwaCegarLoop]: 54 mSDtfsCounter, 85 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 167 SdHoareTripleChecker+Invalid, 211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-12 17:05:41,488 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 167 Invalid, 211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-12 17:05:41,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 705 states. [2024-11-12 17:05:41,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 705 to 671. [2024-11-12 17:05:41,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 671 states, 540 states have (on average 1.2277777777777779) internal successors, (663), 555 states have internal predecessors, (663), 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) [2024-11-12 17:05:41,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 671 states to 671 states and 891 transitions. [2024-11-12 17:05:41,568 INFO L78 Accepts]: Start accepts. Automaton has 671 states and 891 transitions. Word has length 100 [2024-11-12 17:05:41,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:05:41,568 INFO L471 AbstractCegarLoop]: Abstraction has 671 states and 891 transitions. [2024-11-12 17:05:41,568 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.6) internal successors, (53), 6 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) [2024-11-12 17:05:41,569 INFO L276 IsEmpty]: Start isEmpty. Operand 671 states and 891 transitions. [2024-11-12 17:05:41,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-12 17:05:41,569 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:05:41,569 INFO L218 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, 1] [2024-11-12 17:05:41,570 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-12 17:05:41,570 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)] === [2024-11-12 17:05:41,570 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:05:41,570 INFO L85 PathProgramCache]: Analyzing trace with hash 1430798043, now seen corresponding path program 1 times [2024-11-12 17:05:41,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:05:41,570 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [526106920] [2024-11-12 17:05:41,570 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:05:41,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:05:41,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:05:41,582 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1375101136] [2024-11-12 17:05:41,582 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:05:41,582 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:05:41,583 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:05:41,587 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:05:41,590 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-12 17:05:41,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:41,647 INFO L256 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-12 17:05:41,648 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:05:41,968 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-12 17:05:41,968 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:05:46,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:05:46,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [526106920] [2024-11-12 17:05:46,241 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:05:46,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1375101136] [2024-11-12 17:05:46,241 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1375101136] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:05:46,241 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-12 17:05:46,242 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-12 17:05:46,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966629612] [2024-11-12 17:05:46,242 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-12 17:05:46,242 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-12 17:05:46,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:05:46,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-12 17:05:46,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=163, Unknown=1, NotChecked=0, Total=210 [2024-11-12 17:05:46,243 INFO L87 Difference]: Start difference. First operand 671 states and 891 transitions. Second operand has 9 states, 8 states have (on average 6.75) internal successors, (54), 9 states have internal predecessors, (54), 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) [2024-11-12 17:05:46,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:05:46,817 INFO L93 Difference]: Finished difference Result 687 states and 897 transitions. [2024-11-12 17:05:46,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-12 17:05:46,817 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 6.75) internal successors, (54), 9 states have internal predecessors, (54), 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 101 [2024-11-12 17:05:46,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:05:46,820 INFO L225 Difference]: With dead ends: 687 [2024-11-12 17:05:46,820 INFO L226 Difference]: Without dead ends: 680 [2024-11-12 17:05:46,821 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=91, Invalid=328, Unknown=1, NotChecked=0, Total=420 [2024-11-12 17:05:46,821 INFO L435 NwaCegarLoop]: 72 mSDtfsCounter, 180 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 456 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 186 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 479 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 456 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-12 17:05:46,821 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [186 Valid, 220 Invalid, 479 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 456 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-12 17:05:46,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 680 states. [2024-11-12 17:05:46,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 680 to 555. [2024-11-12 17:05:46,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 555 states, 445 states have (on average 1.2314606741573033) internal successors, (548), 460 states have internal predecessors, (548), 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) [2024-11-12 17:05:46,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 555 states and 734 transitions. [2024-11-12 17:05:46,884 INFO L78 Accepts]: Start accepts. Automaton has 555 states and 734 transitions. Word has length 101 [2024-11-12 17:05:46,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:05:46,884 INFO L471 AbstractCegarLoop]: Abstraction has 555 states and 734 transitions. [2024-11-12 17:05:46,884 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 6.75) internal successors, (54), 9 states have internal predecessors, (54), 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) [2024-11-12 17:05:46,884 INFO L276 IsEmpty]: Start isEmpty. Operand 555 states and 734 transitions. [2024-11-12 17:05:46,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-12 17:05:46,885 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:05:46,885 INFO L218 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, 1] [2024-11-12 17:05:46,905 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-11-12 17:05:47,086 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:05:47,086 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)] === [2024-11-12 17:05:47,086 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:05:47,086 INFO L85 PathProgramCache]: Analyzing trace with hash -958388879, now seen corresponding path program 2 times [2024-11-12 17:05:47,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:05:47,086 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1889095030] [2024-11-12 17:05:47,087 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:05:47,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:05:47,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:05:47,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2099228794] [2024-11-12 17:05:47,103 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-12 17:05:47,103 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:05:47,104 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:05:47,105 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:05:47,106 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-12 17:05:47,166 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-12 17:05:47,166 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-12 17:05:47,167 INFO L256 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-12 17:05:47,169 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:05:47,439 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2024-11-12 17:05:47,439 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:05:47,696 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:05:47,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1889095030] [2024-11-12 17:05:47,696 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:05:47,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2099228794] [2024-11-12 17:05:47,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2099228794] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:05:47,696 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-12 17:05:47,696 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-12 17:05:47,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679853744] [2024-11-12 17:05:47,697 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-12 17:05:47,697 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-12 17:05:47,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:05:47,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-12 17:05:47,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2024-11-12 17:05:47,698 INFO L87 Difference]: Start difference. First operand 555 states and 734 transitions. Second operand has 11 states, 10 states have (on average 5.7) internal successors, (57), 11 states have internal predecessors, (57), 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) [2024-11-12 17:05:48,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:05:48,227 INFO L93 Difference]: Finished difference Result 750 states and 1004 transitions. [2024-11-12 17:05:48,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-12 17:05:48,227 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 5.7) internal successors, (57), 11 states have internal predecessors, (57), 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 101 [2024-11-12 17:05:48,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:05:48,230 INFO L225 Difference]: With dead ends: 750 [2024-11-12 17:05:48,230 INFO L226 Difference]: Without dead ends: 746 [2024-11-12 17:05:48,230 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2024-11-12 17:05:48,231 INFO L435 NwaCegarLoop]: 49 mSDtfsCounter, 142 mSDsluCounter, 254 mSDsCounter, 0 mSdLazyCounter, 948 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 303 SdHoareTripleChecker+Invalid, 955 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 948 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-12 17:05:48,231 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [164 Valid, 303 Invalid, 955 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 948 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-12 17:05:48,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 746 states. [2024-11-12 17:05:48,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 746 to 555. [2024-11-12 17:05:48,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 555 states, 445 states have (on average 1.2044943820224718) internal successors, (536), 460 states have internal predecessors, (536), 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) [2024-11-12 17:05:48,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 555 states and 722 transitions. [2024-11-12 17:05:48,290 INFO L78 Accepts]: Start accepts. Automaton has 555 states and 722 transitions. Word has length 101 [2024-11-12 17:05:48,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:05:48,290 INFO L471 AbstractCegarLoop]: Abstraction has 555 states and 722 transitions. [2024-11-12 17:05:48,291 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 5.7) internal successors, (57), 11 states have internal predecessors, (57), 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) [2024-11-12 17:05:48,291 INFO L276 IsEmpty]: Start isEmpty. Operand 555 states and 722 transitions. [2024-11-12 17:05:48,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-12 17:05:48,292 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:05:48,292 INFO L218 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, 1] [2024-11-12 17:05:48,309 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-11-12 17:05:48,492 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2024-11-12 17:05:48,492 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)] === [2024-11-12 17:05:48,493 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:05:48,493 INFO L85 PathProgramCache]: Analyzing trace with hash 744952956, now seen corresponding path program 2 times [2024-11-12 17:05:48,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:05:48,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1689991172] [2024-11-12 17:05:48,493 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:05:48,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:05:48,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:48,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-12 17:05:48,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:48,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 17:05:48,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:48,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-12 17:05:48,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:48,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-12 17:05:48,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:48,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-12 17:05:48,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:48,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 17:05:48,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:48,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-12 17:05:48,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:48,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-12 17:05:48,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:48,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 17:05:48,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:48,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-12 17:05:48,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:48,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 17:05:48,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:05:48,573 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-12 17:05:48,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:05:48,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1689991172] [2024-11-12 17:05:48,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1689991172] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:05:48,574 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:05:48,574 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 17:05:48,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [993000080] [2024-11-12 17:05:48,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:05:48,574 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 17:05:48,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:05:48,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 17:05:48,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-12 17:05:48,576 INFO L87 Difference]: Start difference. First operand 555 states and 722 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 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) [2024-11-12 17:05:48,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:05:48,890 INFO L93 Difference]: Finished difference Result 982 states and 1279 transitions. [2024-11-12 17:05:48,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 17:05:48,890 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 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 108 [2024-11-12 17:05:48,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:05:48,893 INFO L225 Difference]: With dead ends: 982 [2024-11-12 17:05:48,893 INFO L226 Difference]: Without dead ends: 597 [2024-11-12 17:05:48,894 INFO L434 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 [2024-11-12 17:05:48,895 INFO L435 NwaCegarLoop]: 48 mSDtfsCounter, 29 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 209 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-12 17:05:48,895 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 124 Invalid, 212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 209 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-12 17:05:48,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 597 states. [2024-11-12 17:05:48,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 597 to 591. [2024-11-12 17:05:48,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 591 states, 477 states have (on average 1.2033542976939204) internal successors, (574), 492 states have internal predecessors, (574), 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) [2024-11-12 17:05:48,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 591 states and 768 transitions. [2024-11-12 17:05:48,962 INFO L78 Accepts]: Start accepts. Automaton has 591 states and 768 transitions. Word has length 108 [2024-11-12 17:05:48,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:05:48,962 INFO L471 AbstractCegarLoop]: Abstraction has 591 states and 768 transitions. [2024-11-12 17:05:48,962 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 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) [2024-11-12 17:05:48,962 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 768 transitions. [2024-11-12 17:05:48,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-12 17:05:48,964 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:05:48,964 INFO L218 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, 1] [2024-11-12 17:05:48,965 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-12 17:05:48,965 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)] === [2024-11-12 17:05:48,965 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:05:48,965 INFO L85 PathProgramCache]: Analyzing trace with hash -723083932, now seen corresponding path program 2 times [2024-11-12 17:05:48,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:05:48,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1861583785] [2024-11-12 17:05:48,966 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:05:48,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:05:48,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:05:48,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1937978048] [2024-11-12 17:05:48,982 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-12 17:05:48,982 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:05:48,982 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:05:48,985 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:05:48,986 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-12 17:05:49,048 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-12 17:05:49,048 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-12 17:05:49,050 INFO L256 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-12 17:05:49,052 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:05:49,591 INFO L134 CoverageAnalysis]: Checked inductivity of 417 backedges. 5 proven. 48 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-12 17:05:49,592 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:05:49,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:05:49,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1861583785] [2024-11-12 17:05:49,725 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:05:49,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1937978048] [2024-11-12 17:05:49,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1937978048] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:05:49,725 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-12 17:05:49,725 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-12 17:05:49,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810853348] [2024-11-12 17:05:49,725 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-12 17:05:49,725 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-12 17:05:49,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:05:49,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-12 17:05:49,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2024-11-12 17:05:49,726 INFO L87 Difference]: Start difference. First operand 591 states and 768 transitions. Second operand has 12 states, 11 states have (on average 6.2727272727272725) internal successors, (69), 12 states have internal predecessors, (69), 7 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 7 states have call predecessors, (14), 7 states have call successors, (14) [2024-11-12 17:05:50,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:05:50,951 INFO L93 Difference]: Finished difference Result 1060 states and 1409 transitions. [2024-11-12 17:05:50,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-12 17:05:50,952 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.2727272727272725) internal successors, (69), 12 states have internal predecessors, (69), 7 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 7 states have call predecessors, (14), 7 states have call successors, (14) Word has length 136 [2024-11-12 17:05:50,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:05:50,956 INFO L225 Difference]: With dead ends: 1060 [2024-11-12 17:05:50,956 INFO L226 Difference]: Without dead ends: 1057 [2024-11-12 17:05:50,956 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=131, Invalid=375, Unknown=0, NotChecked=0, Total=506 [2024-11-12 17:05:50,957 INFO L435 NwaCegarLoop]: 112 mSDtfsCounter, 246 mSDsluCounter, 464 mSDsCounter, 0 mSdLazyCounter, 1947 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 258 SdHoareTripleChecker+Valid, 576 SdHoareTripleChecker+Invalid, 1995 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 1947 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-12 17:05:50,957 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [258 Valid, 576 Invalid, 1995 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 1947 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-12 17:05:50,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1057 states. [2024-11-12 17:05:51,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1057 to 583. [2024-11-12 17:05:51,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 583 states, 469 states have (on average 1.2004264392324093) internal successors, (563), 484 states have internal predecessors, (563), 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) [2024-11-12 17:05:51,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 583 states and 757 transitions. [2024-11-12 17:05:51,039 INFO L78 Accepts]: Start accepts. Automaton has 583 states and 757 transitions. Word has length 136 [2024-11-12 17:05:51,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:05:51,039 INFO L471 AbstractCegarLoop]: Abstraction has 583 states and 757 transitions. [2024-11-12 17:05:51,039 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.2727272727272725) internal successors, (69), 12 states have internal predecessors, (69), 7 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 7 states have call predecessors, (14), 7 states have call successors, (14) [2024-11-12 17:05:51,039 INFO L276 IsEmpty]: Start isEmpty. Operand 583 states and 757 transitions. [2024-11-12 17:05:51,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-12 17:05:51,043 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:05:51,043 INFO L218 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, 1] [2024-11-12 17:05:51,060 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2024-11-12 17:05:51,244 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2024-11-12 17:05:51,244 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)] === [2024-11-12 17:05:51,244 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:05:51,245 INFO L85 PathProgramCache]: Analyzing trace with hash -940765355, now seen corresponding path program 2 times [2024-11-12 17:05:51,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:05:51,245 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647463927] [2024-11-12 17:05:51,245 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:05:51,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:05:51,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:05:51,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [251453137] [2024-11-12 17:05:51,265 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-12 17:05:51,265 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:05:51,265 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:05:51,270 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:05:51,271 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-11-12 17:05:51,335 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-12 17:05:51,336 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-12 17:05:51,337 INFO L256 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-12 17:05:51,339 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:05:51,724 INFO L134 CoverageAnalysis]: Checked inductivity of 418 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-12 17:05:51,724 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:05:52,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:05:52,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1647463927] [2024-11-12 17:05:52,191 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:05:52,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [251453137] [2024-11-12 17:05:52,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [251453137] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:05:52,191 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-12 17:05:52,191 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-12 17:05:52,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221653283] [2024-11-12 17:05:52,192 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-12 17:05:52,192 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-12 17:05:52,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:05:52,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-12 17:05:52,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-11-12 17:05:52,193 INFO L87 Difference]: Start difference. First operand 583 states and 757 transitions. Second operand has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 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) [2024-11-12 17:05:52,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:05:52,451 INFO L93 Difference]: Finished difference Result 668 states and 863 transitions. [2024-11-12 17:05:52,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-12 17:05:52,452 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 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 137 [2024-11-12 17:05:52,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:05:52,455 INFO L225 Difference]: With dead ends: 668 [2024-11-12 17:05:52,455 INFO L226 Difference]: Without dead ends: 665 [2024-11-12 17:05:52,455 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2024-11-12 17:05:52,456 INFO L435 NwaCegarLoop]: 47 mSDtfsCounter, 159 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 344 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 357 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 344 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 17:05:52,456 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 196 Invalid, 357 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 344 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 17:05:52,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 665 states. [2024-11-12 17:05:52,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 665 to 650. [2024-11-12 17:05:52,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 650 states, 524 states have (on average 1.1946564885496183) internal successors, (626), 539 states have internal predecessors, (626), 109 states have call successors, (109), 1 states have call predecessors, (109), 1 states have return successors, (109), 109 states have call predecessors, (109), 109 states have call successors, (109) [2024-11-12 17:05:52,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 650 states and 844 transitions. [2024-11-12 17:05:52,527 INFO L78 Accepts]: Start accepts. Automaton has 650 states and 844 transitions. Word has length 137 [2024-11-12 17:05:52,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:05:52,528 INFO L471 AbstractCegarLoop]: Abstraction has 650 states and 844 transitions. [2024-11-12 17:05:52,528 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 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) [2024-11-12 17:05:52,528 INFO L276 IsEmpty]: Start isEmpty. Operand 650 states and 844 transitions. [2024-11-12 17:05:52,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-12 17:05:52,530 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:05:52,530 INFO L218 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, 1] [2024-11-12 17:05:52,547 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2024-11-12 17:05:52,734 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:05:52,734 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)] === [2024-11-12 17:05:52,735 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:05:52,735 INFO L85 PathProgramCache]: Analyzing trace with hash -2132372105, now seen corresponding path program 2 times [2024-11-12 17:05:52,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:05:52,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368968839] [2024-11-12 17:05:52,737 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:05:52,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:05:52,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:05:52,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [981369824] [2024-11-12 17:05:52,773 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-12 17:05:52,773 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:05:52,774 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:05:52,776 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:05:52,777 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-11-12 17:05:52,958 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-12 17:05:52,959 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-12 17:05:52,960 INFO L256 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-12 17:05:52,962 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:05:53,521 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-12 17:05:53,521 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:05:55,532 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:05:55,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1368968839] [2024-11-12 17:05:55,533 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:05:55,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [981369824] [2024-11-12 17:05:55,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [981369824] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:05:55,533 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-12 17:05:55,533 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-12 17:05:55,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1216136401] [2024-11-12 17:05:55,533 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-12 17:05:55,535 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-12 17:05:55,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:05:55,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-12 17:05:55,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=362, Unknown=0, NotChecked=0, Total=462 [2024-11-12 17:05:55,536 INFO L87 Difference]: Start difference. First operand 650 states and 844 transitions. Second operand has 12 states, 11 states have (on average 6.545454545454546) internal successors, (72), 12 states have internal predecessors, (72), 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) [2024-11-12 17:05:56,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:05:56,124 INFO L93 Difference]: Finished difference Result 670 states and 854 transitions. [2024-11-12 17:05:56,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-12 17:05:56,124 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.545454545454546) internal successors, (72), 12 states have internal predecessors, (72), 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 139 [2024-11-12 17:05:56,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:05:56,126 INFO L225 Difference]: With dead ends: 670 [2024-11-12 17:05:56,126 INFO L226 Difference]: Without dead ends: 663 [2024-11-12 17:05:56,127 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 258 GetRequests, 237 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 132 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=116, Invalid=390, Unknown=0, NotChecked=0, Total=506 [2024-11-12 17:05:56,127 INFO L435 NwaCegarLoop]: 81 mSDtfsCounter, 76 mSDsluCounter, 293 mSDsCounter, 0 mSdLazyCounter, 1029 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 374 SdHoareTripleChecker+Invalid, 1032 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1029 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-12 17:05:56,127 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 374 Invalid, 1032 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1029 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-12 17:05:56,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 663 states. [2024-11-12 17:05:56,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 663 to 534. [2024-11-12 17:05:56,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 534 states, 429 states have (on average 1.1981351981351982) internal successors, (514), 444 states have internal predecessors, (514), 88 states have call successors, (88), 1 states have call predecessors, (88), 1 states have return successors, (88), 88 states have call predecessors, (88), 88 states have call successors, (88) [2024-11-12 17:05:56,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 534 states and 690 transitions. [2024-11-12 17:05:56,184 INFO L78 Accepts]: Start accepts. Automaton has 534 states and 690 transitions. Word has length 139 [2024-11-12 17:05:56,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:05:56,184 INFO L471 AbstractCegarLoop]: Abstraction has 534 states and 690 transitions. [2024-11-12 17:05:56,184 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.545454545454546) internal successors, (72), 12 states have internal predecessors, (72), 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) [2024-11-12 17:05:56,185 INFO L276 IsEmpty]: Start isEmpty. Operand 534 states and 690 transitions. [2024-11-12 17:05:56,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-12 17:05:56,185 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:05:56,185 INFO L218 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, 1] [2024-11-12 17:05:56,202 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2024-11-12 17:05:56,389 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:05:56,390 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)] === [2024-11-12 17:05:56,390 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:05:56,390 INFO L85 PathProgramCache]: Analyzing trace with hash -226591731, now seen corresponding path program 3 times [2024-11-12 17:05:56,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:05:56,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103465592] [2024-11-12 17:05:56,390 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:05:56,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:05:56,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:05:56,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1195574523] [2024-11-12 17:05:56,413 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-12 17:05:56,413 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:05:56,413 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:05:56,415 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:05:56,416 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-11-12 17:05:56,511 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-12 17:05:56,512 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-12 17:05:56,513 INFO L256 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-12 17:05:56,515 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:05:56,869 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 45 proven. 17 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2024-11-12 17:05:56,869 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:05:57,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:05:57,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [103465592] [2024-11-12 17:05:57,212 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:05:57,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1195574523] [2024-11-12 17:05:57,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1195574523] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:05:57,212 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-12 17:05:57,212 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-12 17:05:57,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [421081835] [2024-11-12 17:05:57,212 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-12 17:05:57,213 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-12 17:05:57,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:05:57,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-12 17:05:57,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2024-11-12 17:05:57,213 INFO L87 Difference]: Start difference. First operand 534 states and 690 transitions. Second operand has 10 states, 9 states have (on average 5.111111111111111) internal successors, (46), 10 states have internal predecessors, (46), 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) [2024-11-12 17:05:58,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:05:58,009 INFO L93 Difference]: Finished difference Result 692 states and 902 transitions. [2024-11-12 17:05:58,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-12 17:05:58,010 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 5.111111111111111) internal successors, (46), 10 states have internal predecessors, (46), 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 139 [2024-11-12 17:05:58,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:05:58,013 INFO L225 Difference]: With dead ends: 692 [2024-11-12 17:05:58,013 INFO L226 Difference]: Without dead ends: 688 [2024-11-12 17:05:58,013 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=85, Invalid=257, Unknown=0, NotChecked=0, Total=342 [2024-11-12 17:05:58,015 INFO L435 NwaCegarLoop]: 44 mSDtfsCounter, 227 mSDsluCounter, 246 mSDsCounter, 0 mSdLazyCounter, 736 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 233 SdHoareTripleChecker+Valid, 290 SdHoareTripleChecker+Invalid, 777 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 736 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-12 17:05:58,015 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [233 Valid, 290 Invalid, 777 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 736 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-12 17:05:58,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 688 states. [2024-11-12 17:05:58,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 688 to 534. [2024-11-12 17:05:58,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 534 states, 429 states have (on average 1.1888111888111887) internal successors, (510), 444 states have internal predecessors, (510), 88 states have call successors, (88), 1 states have call predecessors, (88), 1 states have return successors, (88), 88 states have call predecessors, (88), 88 states have call successors, (88) [2024-11-12 17:05:58,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 534 states and 686 transitions. [2024-11-12 17:05:58,083 INFO L78 Accepts]: Start accepts. Automaton has 534 states and 686 transitions. Word has length 139 [2024-11-12 17:05:58,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:05:58,083 INFO L471 AbstractCegarLoop]: Abstraction has 534 states and 686 transitions. [2024-11-12 17:05:58,083 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 5.111111111111111) internal successors, (46), 10 states have internal predecessors, (46), 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) [2024-11-12 17:05:58,083 INFO L276 IsEmpty]: Start isEmpty. Operand 534 states and 686 transitions. [2024-11-12 17:05:58,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-11-12 17:05:58,085 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:05:58,085 INFO L218 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, 1] [2024-11-12 17:05:58,092 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2024-11-12 17:05:58,285 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2024-11-12 17:05:58,286 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)] === [2024-11-12 17:05:58,286 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:05:58,286 INFO L85 PathProgramCache]: Analyzing trace with hash 1163089504, now seen corresponding path program 3 times [2024-11-12 17:05:58,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:05:58,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1196064153] [2024-11-12 17:05:58,286 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:05:58,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:05:58,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:05:58,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [523424108] [2024-11-12 17:05:58,301 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-12 17:05:58,301 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:05:58,301 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:05:58,303 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:05:58,305 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-11-12 17:05:58,415 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-11-12 17:05:58,415 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-12 17:05:58,415 INFO L256 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-12 17:05:58,417 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:05:59,183 INFO L134 CoverageAnalysis]: Checked inductivity of 485 backedges. 99 proven. 61 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2024-11-12 17:05:59,183 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:06:00,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:06:00,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1196064153] [2024-11-12 17:06:00,805 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:06:00,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [523424108] [2024-11-12 17:06:00,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [523424108] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:06:00,806 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-12 17:06:00,806 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2024-11-12 17:06:00,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934646213] [2024-11-12 17:06:00,806 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-12 17:06:00,806 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-12 17:06:00,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:06:00,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-12 17:06:00,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=272, Unknown=0, NotChecked=0, Total=342 [2024-11-12 17:06:00,807 INFO L87 Difference]: Start difference. First operand 534 states and 686 transitions. Second operand has 13 states, 12 states have (on average 5.666666666666667) internal successors, (68), 13 states have internal predecessors, (68), 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) [2024-11-12 17:06:02,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:06:02,306 INFO L93 Difference]: Finished difference Result 550 states and 708 transitions. [2024-11-12 17:06:02,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-12 17:06:02,306 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.666666666666667) internal successors, (68), 13 states have internal predecessors, (68), 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 146 [2024-11-12 17:06:02,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:06:02,308 INFO L225 Difference]: With dead ends: 550 [2024-11-12 17:06:02,308 INFO L226 Difference]: Without dead ends: 535 [2024-11-12 17:06:02,309 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=234, Invalid=758, Unknown=0, NotChecked=0, Total=992 [2024-11-12 17:06:02,309 INFO L435 NwaCegarLoop]: 24 mSDtfsCounter, 226 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 367 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 226 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 423 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 367 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-12 17:06:02,309 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [226 Valid, 144 Invalid, 423 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 367 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-12 17:06:02,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 535 states. [2024-11-12 17:06:02,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 535 to 466. [2024-11-12 17:06:02,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 466 states, 378 states have (on average 1.1216931216931216) internal successors, (424), 388 states have internal predecessors, (424), 76 states have call successors, (76), 1 states have call predecessors, (76), 1 states have return successors, (76), 76 states have call predecessors, (76), 76 states have call successors, (76) [2024-11-12 17:06:02,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 466 states and 576 transitions. [2024-11-12 17:06:02,373 INFO L78 Accepts]: Start accepts. Automaton has 466 states and 576 transitions. Word has length 146 [2024-11-12 17:06:02,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:06:02,374 INFO L471 AbstractCegarLoop]: Abstraction has 466 states and 576 transitions. [2024-11-12 17:06:02,374 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.666666666666667) internal successors, (68), 13 states have internal predecessors, (68), 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) [2024-11-12 17:06:02,374 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 576 transitions. [2024-11-12 17:06:02,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-12 17:06:02,383 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:06:02,383 INFO L218 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, 1] [2024-11-12 17:06:02,390 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2024-11-12 17:06:02,583 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2024-11-12 17:06:02,584 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)] === [2024-11-12 17:06:02,584 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:06:02,584 INFO L85 PathProgramCache]: Analyzing trace with hash 1037518274, now seen corresponding path program 3 times [2024-11-12 17:06:02,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:06:02,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [628528308] [2024-11-12 17:06:02,584 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:06:02,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:06:02,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:06:02,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [572641318] [2024-11-12 17:06:02,599 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-12 17:06:02,599 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:06:02,599 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:06:02,600 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:06:02,604 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-11-12 17:06:02,677 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-11-12 17:06:02,678 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-12 17:06:02,678 INFO L256 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-12 17:06:02,680 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:06:02,919 INFO L134 CoverageAnalysis]: Checked inductivity of 489 backedges. 66 proven. 64 refuted. 0 times theorem prover too weak. 359 trivial. 0 not checked. [2024-11-12 17:06:02,919 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:06:03,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:06:03,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [628528308] [2024-11-12 17:06:03,138 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:06:03,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [572641318] [2024-11-12 17:06:03,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [572641318] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:06:03,138 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-12 17:06:03,138 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-12 17:06:03,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086972054] [2024-11-12 17:06:03,138 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-12 17:06:03,139 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-12 17:06:03,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:06:03,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-12 17:06:03,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2024-11-12 17:06:03,139 INFO L87 Difference]: Start difference. First operand 466 states and 576 transitions. Second operand has 11 states, 10 states have (on average 6.7) internal successors, (67), 11 states have internal predecessors, (67), 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) [2024-11-12 17:06:03,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:06:03,907 INFO L93 Difference]: Finished difference Result 470 states and 581 transitions. [2024-11-12 17:06:03,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-12 17:06:03,908 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.7) internal successors, (67), 11 states have internal predecessors, (67), 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 148 [2024-11-12 17:06:03,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:06:03,909 INFO L225 Difference]: With dead ends: 470 [2024-11-12 17:06:03,909 INFO L226 Difference]: Without dead ends: 457 [2024-11-12 17:06:03,910 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 184 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=143, Invalid=507, Unknown=0, NotChecked=0, Total=650 [2024-11-12 17:06:03,910 INFO L435 NwaCegarLoop]: 15 mSDtfsCounter, 172 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 341 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 386 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 341 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-12 17:06:03,910 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 90 Invalid, 386 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 341 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-12 17:06:03,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 457 states. [2024-11-12 17:06:03,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 457 to 445. [2024-11-12 17:06:03,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 445 states, 360 states have (on average 1.1111111111111112) internal successors, (400), 369 states have internal predecessors, (400), 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) [2024-11-12 17:06:03,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 445 states and 548 transitions. [2024-11-12 17:06:03,960 INFO L78 Accepts]: Start accepts. Automaton has 445 states and 548 transitions. Word has length 148 [2024-11-12 17:06:03,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:06:03,960 INFO L471 AbstractCegarLoop]: Abstraction has 445 states and 548 transitions. [2024-11-12 17:06:03,961 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.7) internal successors, (67), 11 states have internal predecessors, (67), 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) [2024-11-12 17:06:03,961 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 548 transitions. [2024-11-12 17:06:03,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-12 17:06:03,962 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:06:03,962 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:06:03,978 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2024-11-12 17:06:04,162 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2024-11-12 17:06:04,163 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-12 17:06:04,163 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:06:04,163 INFO L85 PathProgramCache]: Analyzing trace with hash -1476468408, now seen corresponding path program 3 times [2024-11-12 17:06:04,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:06:04,163 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984337811] [2024-11-12 17:06:04,163 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:06:04,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:06:04,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:06:04,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1990250851] [2024-11-12 17:06:04,179 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-12 17:06:04,179 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:06:04,180 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:06:04,182 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:06:04,184 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-11-12 17:06:04,236 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-12 17:06:04,236 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-12 17:06:04,237 INFO L256 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-12 17:06:04,240 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:06:04,910 INFO L134 CoverageAnalysis]: Checked inductivity of 722 backedges. 51 proven. 5 refuted. 0 times theorem prover too weak. 666 trivial. 0 not checked. [2024-11-12 17:06:04,910 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:06:09,522 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:06:09,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [984337811] [2024-11-12 17:06:09,522 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:06:09,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1990250851] [2024-11-12 17:06:09,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1990250851] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:06:09,523 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-12 17:06:09,523 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-12 17:06:09,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408608630] [2024-11-12 17:06:09,523 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-12 17:06:09,523 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-12 17:06:09,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:06:09,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-12 17:06:09,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2024-11-12 17:06:09,524 INFO L87 Difference]: Start difference. First operand 445 states and 548 transitions. Second operand has 10 states, 9 states have (on average 5.0) internal successors, (45), 9 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) [2024-11-12 17:06:09,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:06:09,966 INFO L93 Difference]: Finished difference Result 648 states and 807 transitions. [2024-11-12 17:06:09,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-12 17:06:09,967 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 5.0) internal successors, (45), 9 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 174 [2024-11-12 17:06:09,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:06:09,975 INFO L225 Difference]: With dead ends: 648 [2024-11-12 17:06:09,975 INFO L226 Difference]: Without dead ends: 644 [2024-11-12 17:06:09,976 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=110, Invalid=352, Unknown=0, NotChecked=0, Total=462 [2024-11-12 17:06:09,976 INFO L435 NwaCegarLoop]: 17 mSDtfsCounter, 190 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 354 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 196 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 390 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 354 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-12 17:06:09,976 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [196 Valid, 120 Invalid, 390 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 354 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-12 17:06:09,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 644 states. [2024-11-12 17:06:10,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 644 to 555. [2024-11-12 17:06:10,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 555 states, 449 states have (on average 1.111358574610245) internal successors, (499), 458 states have internal predecessors, (499), 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) [2024-11-12 17:06:10,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 555 states and 689 transitions. [2024-11-12 17:06:10,134 INFO L78 Accepts]: Start accepts. Automaton has 555 states and 689 transitions. Word has length 174 [2024-11-12 17:06:10,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:06:10,135 INFO L471 AbstractCegarLoop]: Abstraction has 555 states and 689 transitions. [2024-11-12 17:06:10,135 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 5.0) internal successors, (45), 9 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) [2024-11-12 17:06:10,135 INFO L276 IsEmpty]: Start isEmpty. Operand 555 states and 689 transitions. [2024-11-12 17:06:10,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2024-11-12 17:06:10,142 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:06:10,142 INFO L218 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, 1] [2024-11-12 17:06:10,159 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2024-11-12 17:06:10,343 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2024-11-12 17:06:10,343 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-12 17:06:10,343 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:06:10,343 INFO L85 PathProgramCache]: Analyzing trace with hash 1756681134, now seen corresponding path program 2 times [2024-11-12 17:06:10,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:06:10,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [602624056] [2024-11-12 17:06:10,344 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:06:10,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:06:10,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:06:10,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-12 17:06:10,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:06:10,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 17:06:10,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:06:10,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-12 17:06:10,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:06:10,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-12 17:06:10,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:06:10,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-12 17:06:10,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:06:10,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-12 17:06:10,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:06:10,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-12 17:06:10,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:06:10,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-12 17:06:10,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:06:10,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 17:06:10,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:06:10,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 17:06:10,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:06:10,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 17:06:10,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:06:10,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 17:06:10,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:06:10,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 17:06:10,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:06:10,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-12 17:06:10,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:06:10,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-12 17:06:10,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:06:10,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 17:06:10,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:06:10,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-12 17:06:10,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:06:10,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-12 17:06:10,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:06:10,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-12 17:06:10,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:06:10,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-12 17:06:10,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:06:10,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-11-12 17:06:10,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:06:10,538 INFO L134 CoverageAnalysis]: Checked inductivity of 1016 backedges. 0 proven. 176 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-12 17:06:10,538 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:06:10,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [602624056] [2024-11-12 17:06:10,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [602624056] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:06:10,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1688217025] [2024-11-12 17:06:10,539 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-12 17:06:10,539 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:06:10,539 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:06:10,541 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:06:10,542 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-11-12 17:06:10,618 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-12 17:06:10,618 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-12 17:06:10,620 INFO L256 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-12 17:06:10,622 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:06:10,731 INFO L134 CoverageAnalysis]: Checked inductivity of 1016 backedges. 0 proven. 176 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-12 17:06:10,731 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:06:10,952 INFO L134 CoverageAnalysis]: Checked inductivity of 1016 backedges. 0 proven. 176 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-12 17:06:10,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1688217025] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 17:06:10,952 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 17:06:10,952 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2024-11-12 17:06:10,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174529927] [2024-11-12 17:06:10,953 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 17:06:10,953 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-12 17:06:10,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:06:10,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-12 17:06:10,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=105, Unknown=0, NotChecked=0, Total=182 [2024-11-12 17:06:10,954 INFO L87 Difference]: Start difference. First operand 555 states and 689 transitions. Second operand has 14 states, 13 states have (on average 13.538461538461538) internal successors, (176), 14 states have internal predecessors, (176), 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) [2024-11-12 17:06:11,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:06:11,782 INFO L93 Difference]: Finished difference Result 1457 states and 1838 transitions. [2024-11-12 17:06:11,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-12 17:06:11,783 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 13.538461538461538) internal successors, (176), 14 states have internal predecessors, (176), 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 197 [2024-11-12 17:06:11,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:06:11,788 INFO L225 Difference]: With dead ends: 1457 [2024-11-12 17:06:11,789 INFO L226 Difference]: Without dead ends: 1456 [2024-11-12 17:06:11,789 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 444 GetRequests, 430 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=97, Invalid=143, Unknown=0, NotChecked=0, Total=240 [2024-11-12 17:06:11,790 INFO L435 NwaCegarLoop]: 65 mSDtfsCounter, 469 mSDsluCounter, 358 mSDsCounter, 0 mSdLazyCounter, 335 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 494 SdHoareTripleChecker+Valid, 423 SdHoareTripleChecker+Invalid, 368 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 335 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-12 17:06:11,790 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [494 Valid, 423 Invalid, 368 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 335 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-12 17:06:11,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1456 states. [2024-11-12 17:06:11,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1456 to 1080. [2024-11-12 17:06:11,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1080 states, 878 states have (on average 1.1697038724373576) internal successors, (1027), 887 states have internal predecessors, (1027), 191 states have call successors, (191), 1 states have call predecessors, (191), 1 states have return successors, (191), 191 states have call predecessors, (191), 191 states have call successors, (191) [2024-11-12 17:06:11,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1080 states to 1080 states and 1409 transitions. [2024-11-12 17:06:11,978 INFO L78 Accepts]: Start accepts. Automaton has 1080 states and 1409 transitions. Word has length 197 [2024-11-12 17:06:11,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:06:11,979 INFO L471 AbstractCegarLoop]: Abstraction has 1080 states and 1409 transitions. [2024-11-12 17:06:11,979 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 13.538461538461538) internal successors, (176), 14 states have internal predecessors, (176), 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) [2024-11-12 17:06:11,979 INFO L276 IsEmpty]: Start isEmpty. Operand 1080 states and 1409 transitions. [2024-11-12 17:06:11,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2024-11-12 17:06:11,984 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:06:11,984 INFO L218 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, 1] [2024-11-12 17:06:12,006 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2024-11-12 17:06:12,185 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2024-11-12 17:06:12,185 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)] === [2024-11-12 17:06:12,185 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:06:12,186 INFO L85 PathProgramCache]: Analyzing trace with hash 390752864, now seen corresponding path program 1 times [2024-11-12 17:06:12,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:06:12,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744017850] [2024-11-12 17:06:12,186 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:06:12,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:06:12,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:06:12,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-12 17:06:12,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:06:12,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 17:06:12,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:06:12,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-12 17:06:12,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:06:12,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-12 17:06:12,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:06:12,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-12 17:06:12,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:06:12,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-12 17:06:12,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:06:12,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-12 17:06:12,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:06:12,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-12 17:06:12,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:06:12,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 17:06:12,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:06:12,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 17:06:12,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:06:12,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 17:06:12,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:06:12,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 17:06:12,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:06:12,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-12 17:06:12,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:06:12,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-12 17:06:12,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:06:12,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-12 17:06:12,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:06:12,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 17:06:12,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:06:12,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-12 17:06:12,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:06:12,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-12 17:06:12,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:06:12,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-12 17:06:12,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:06:12,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-12 17:06:12,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:06:12,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-12 17:06:12,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:06:12,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-12 17:06:12,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:06:12,418 INFO L134 CoverageAnalysis]: Checked inductivity of 1095 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-12 17:06:12,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:06:12,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1744017850] [2024-11-12 17:06:12,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1744017850] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:06:12,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1591943034] [2024-11-12 17:06:12,419 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:06:12,419 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:06:12,419 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:06:12,421 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:06:12,422 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-11-12 17:06:12,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:06:12,497 INFO L256 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-12 17:06:12,500 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:06:12,627 INFO L134 CoverageAnalysis]: Checked inductivity of 1095 backedges. 558 proven. 39 refuted. 0 times theorem prover too weak. 498 trivial. 0 not checked. [2024-11-12 17:06:12,628 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:06:12,831 INFO L134 CoverageAnalysis]: Checked inductivity of 1095 backedges. 110 proven. 39 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-11-12 17:06:12,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1591943034] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 17:06:12,831 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 17:06:12,831 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 15 [2024-11-12 17:06:12,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040334235] [2024-11-12 17:06:12,832 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 17:06:12,832 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-12 17:06:12,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:06:12,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-12 17:06:12,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2024-11-12 17:06:12,833 INFO L87 Difference]: Start difference. First operand 1080 states and 1409 transitions. Second operand has 15 states, 15 states have (on average 12.866666666666667) internal successors, (193), 15 states have internal predecessors, (193), 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) [2024-11-12 17:06:13,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:06:13,787 INFO L93 Difference]: Finished difference Result 1750 states and 2285 transitions. [2024-11-12 17:06:13,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-12 17:06:13,787 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 12.866666666666667) internal successors, (193), 15 states have internal predecessors, (193), 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 212 [2024-11-12 17:06:13,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:06:13,791 INFO L225 Difference]: With dead ends: 1750 [2024-11-12 17:06:13,791 INFO L226 Difference]: Without dead ends: 1160 [2024-11-12 17:06:13,792 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 492 GetRequests, 460 SyntacticMatches, 4 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 230 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=183, Invalid=687, Unknown=0, NotChecked=0, Total=870 [2024-11-12 17:06:13,793 INFO L435 NwaCegarLoop]: 66 mSDtfsCounter, 177 mSDsluCounter, 539 mSDsCounter, 0 mSdLazyCounter, 1216 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 186 SdHoareTripleChecker+Valid, 605 SdHoareTripleChecker+Invalid, 1253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 1216 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-12 17:06:13,793 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [186 Valid, 605 Invalid, 1253 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 1216 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-12 17:06:13,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1160 states. [2024-11-12 17:06:13,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1160 to 1134. [2024-11-12 17:06:13,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1134 states, 922 states have (on average 1.165943600867679) internal successors, (1075), 931 states have internal predecessors, (1075), 201 states have call successors, (201), 1 states have call predecessors, (201), 1 states have return successors, (201), 201 states have call predecessors, (201), 201 states have call successors, (201) [2024-11-12 17:06:13,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1134 states to 1134 states and 1477 transitions. [2024-11-12 17:06:13,926 INFO L78 Accepts]: Start accepts. Automaton has 1134 states and 1477 transitions. Word has length 212 [2024-11-12 17:06:13,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:06:13,927 INFO L471 AbstractCegarLoop]: Abstraction has 1134 states and 1477 transitions. [2024-11-12 17:06:13,927 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 12.866666666666667) internal successors, (193), 15 states have internal predecessors, (193), 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) [2024-11-12 17:06:13,927 INFO L276 IsEmpty]: Start isEmpty. Operand 1134 states and 1477 transitions. [2024-11-12 17:06:13,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2024-11-12 17:06:13,928 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:06:13,928 INFO L218 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, 1] [2024-11-12 17:06:13,946 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Ended with exit code 0 [2024-11-12 17:06:14,129 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:06:14,129 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-12 17:06:14,129 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:06:14,129 INFO L85 PathProgramCache]: Analyzing trace with hash -1587931792, now seen corresponding path program 2 times [2024-11-12 17:06:14,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:06:14,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940380280] [2024-11-12 17:06:14,130 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:06:14,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:06:14,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:06:14,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-12 17:06:14,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:06:14,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 17:06:14,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:06:14,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-12 17:06:14,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:06:14,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-12 17:06:14,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:06:14,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-12 17:06:14,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:06:14,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-12 17:06:14,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:06:14,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-12 17:06:14,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:06:14,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-12 17:06:14,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:06:14,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 17:06:14,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:06:14,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 17:06:14,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:06:14,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 17:06:14,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:06:14,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 17:06:14,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:06:14,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 17:06:14,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:06:14,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-12 17:06:14,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:06:14,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-12 17:06:14,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:06:14,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 17:06:14,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:06:14,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-12 17:06:14,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:06:14,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-12 17:06:14,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:06:14,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-12 17:06:14,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:06:14,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-12 17:06:14,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:06:14,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-12 17:06:14,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:06:14,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-12 17:06:14,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:06:14,366 INFO L134 CoverageAnalysis]: Checked inductivity of 1095 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-12 17:06:14,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:06:14,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1940380280] [2024-11-12 17:06:14,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1940380280] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:06:14,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [995761953] [2024-11-12 17:06:14,366 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-12 17:06:14,367 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:06:14,367 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:06:14,368 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:06:14,370 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2024-11-12 17:06:14,449 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-12 17:06:14,449 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-12 17:06:14,451 INFO L256 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-12 17:06:14,453 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:06:14,848 INFO L134 CoverageAnalysis]: Checked inductivity of 1095 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-12 17:06:14,848 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:06:15,134 INFO L134 CoverageAnalysis]: Checked inductivity of 1095 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-12 17:06:15,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [995761953] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 17:06:15,135 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 17:06:15,135 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 21 [2024-11-12 17:06:15,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [331031083] [2024-11-12 17:06:15,135 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 17:06:15,136 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-12 17:06:15,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:06:15,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-12 17:06:15,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=170, Invalid=292, Unknown=0, NotChecked=0, Total=462 [2024-11-12 17:06:15,137 INFO L87 Difference]: Start difference. First operand 1134 states and 1477 transitions. Second operand has 22 states, 21 states have (on average 14.095238095238095) internal successors, (296), 22 states have internal predecessors, (296), 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) [2024-11-12 17:06:16,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:06:16,366 INFO L93 Difference]: Finished difference Result 3105 states and 4108 transitions. [2024-11-12 17:06:16,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-12 17:06:16,366 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 14.095238095238095) internal successors, (296), 22 states have internal predecessors, (296), 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 212 [2024-11-12 17:06:16,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:06:16,374 INFO L225 Difference]: With dead ends: 3105 [2024-11-12 17:06:16,375 INFO L226 Difference]: Without dead ends: 3042 [2024-11-12 17:06:16,376 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 491 GetRequests, 454 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 486 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=564, Invalid=918, Unknown=0, NotChecked=0, Total=1482 [2024-11-12 17:06:16,376 INFO L435 NwaCegarLoop]: 38 mSDtfsCounter, 873 mSDsluCounter, 387 mSDsCounter, 0 mSdLazyCounter, 530 mSolverCounterSat, 204 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 887 SdHoareTripleChecker+Valid, 425 SdHoareTripleChecker+Invalid, 734 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 204 IncrementalHoareTripleChecker+Valid, 530 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-12 17:06:16,376 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [887 Valid, 425 Invalid, 734 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [204 Valid, 530 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-12 17:06:16,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3042 states. [2024-11-12 17:06:16,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3042 to 1703. [2024-11-12 17:06:16,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1703 states, 1392 states have (on average 1.1436781609195403) internal successors, (1592), 1401 states have internal predecessors, (1592), 300 states have call successors, (300), 1 states have call predecessors, (300), 1 states have return successors, (300), 300 states have call predecessors, (300), 300 states have call successors, (300) [2024-11-12 17:06:16,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1703 states to 1703 states and 2192 transitions. [2024-11-12 17:06:16,627 INFO L78 Accepts]: Start accepts. Automaton has 1703 states and 2192 transitions. Word has length 212 [2024-11-12 17:06:16,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:06:16,628 INFO L471 AbstractCegarLoop]: Abstraction has 1703 states and 2192 transitions. [2024-11-12 17:06:16,628 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 14.095238095238095) internal successors, (296), 22 states have internal predecessors, (296), 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) [2024-11-12 17:06:16,628 INFO L276 IsEmpty]: Start isEmpty. Operand 1703 states and 2192 transitions. [2024-11-12 17:06:16,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2024-11-12 17:06:16,630 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:06:16,631 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 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, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-12 17:06:16,648 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2024-11-12 17:06:16,835 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable41 [2024-11-12 17:06:16,836 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-12 17:06:16,836 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:06:16,836 INFO L85 PathProgramCache]: Analyzing trace with hash 336538929, now seen corresponding path program 4 times [2024-11-12 17:06:16,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:06:16,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [531948895] [2024-11-12 17:06:16,836 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:06:16,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:06:16,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:06:16,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1155850876] [2024-11-12 17:06:16,854 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-12 17:06:16,854 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:06:16,854 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:06:16,856 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:06:16,857 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2024-11-12 17:06:16,948 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-12 17:06:16,949 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-12 17:06:16,950 INFO L256 TraceCheckSpWp]: Trace formula consists of 375 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-12 17:06:16,953 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:06:17,495 INFO L134 CoverageAnalysis]: Checked inductivity of 1193 backedges. 138 proven. 43 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-12 17:06:17,495 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:06:17,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:06:17,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [531948895] [2024-11-12 17:06:17,615 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:06:17,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1155850876] [2024-11-12 17:06:17,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1155850876] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:06:17,615 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-12 17:06:17,615 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-12 17:06:17,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123203440] [2024-11-12 17:06:17,615 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-12 17:06:17,616 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-12 17:06:17,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:06:17,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-12 17:06:17,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2024-11-12 17:06:17,617 INFO L87 Difference]: Start difference. First operand 1703 states and 2192 transitions. Second operand has 12 states, 11 states have (on average 9.909090909090908) internal successors, (109), 12 states have internal predecessors, (109), 9 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 9 states have call predecessors, (23), 9 states have call successors, (23) [2024-11-12 17:06:19,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:06:19,321 INFO L93 Difference]: Finished difference Result 2143 states and 2760 transitions. [2024-11-12 17:06:19,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-12 17:06:19,322 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 9.909090909090908) internal successors, (109), 12 states have internal predecessors, (109), 9 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 9 states have call predecessors, (23), 9 states have call successors, (23) Word has length 221 [2024-11-12 17:06:19,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:06:19,329 INFO L225 Difference]: With dead ends: 2143 [2024-11-12 17:06:19,329 INFO L226 Difference]: Without dead ends: 2118 [2024-11-12 17:06:19,329 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 243 GetRequests, 224 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=118, Invalid=302, Unknown=0, NotChecked=0, Total=420 [2024-11-12 17:06:19,330 INFO L435 NwaCegarLoop]: 154 mSDtfsCounter, 163 mSDsluCounter, 321 mSDsCounter, 0 mSdLazyCounter, 1049 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 475 SdHoareTripleChecker+Invalid, 1079 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 1049 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-12 17:06:19,330 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 475 Invalid, 1079 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 1049 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-12 17:06:19,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2118 states. [2024-11-12 17:06:19,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2118 to 1669. [2024-11-12 17:06:19,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1669 states, 1364 states have (on average 1.1407624633431086) internal successors, (1556), 1373 states have internal predecessors, (1556), 294 states have call successors, (294), 1 states have call predecessors, (294), 1 states have return successors, (294), 294 states have call predecessors, (294), 294 states have call successors, (294) [2024-11-12 17:06:19,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1669 states to 1669 states and 2144 transitions. [2024-11-12 17:06:19,636 INFO L78 Accepts]: Start accepts. Automaton has 1669 states and 2144 transitions. Word has length 221 [2024-11-12 17:06:19,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:06:19,638 INFO L471 AbstractCegarLoop]: Abstraction has 1669 states and 2144 transitions. [2024-11-12 17:06:19,638 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 9.909090909090908) internal successors, (109), 12 states have internal predecessors, (109), 9 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 9 states have call predecessors, (23), 9 states have call successors, (23) [2024-11-12 17:06:19,638 INFO L276 IsEmpty]: Start isEmpty. Operand 1669 states and 2144 transitions. [2024-11-12 17:06:19,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2024-11-12 17:06:19,640 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:06:19,641 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-12 17:06:19,657 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Ended with exit code 0 [2024-11-12 17:06:19,841 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,32 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:06:19,841 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-12 17:06:19,842 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:06:19,842 INFO L85 PathProgramCache]: Analyzing trace with hash -922079403, now seen corresponding path program 5 times [2024-11-12 17:06:19,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:06:19,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1331766429] [2024-11-12 17:06:19,842 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:06:19,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:06:19,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:06:19,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [83010484] [2024-11-12 17:06:19,873 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-12 17:06:19,873 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:06:19,873 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:06:19,875 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:06:19,876 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2024-11-12 17:06:19,987 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 16 check-sat command(s) [2024-11-12 17:06:19,987 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-12 17:06:19,989 INFO L256 TraceCheckSpWp]: Trace formula consists of 433 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-12 17:06:19,992 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:06:20,934 INFO L134 CoverageAnalysis]: Checked inductivity of 1677 backedges. 28 proven. 245 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-12 17:06:20,934 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:06:21,010 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:06:21,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1331766429] [2024-11-12 17:06:21,010 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:06:21,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [83010484] [2024-11-12 17:06:21,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [83010484] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:06:21,010 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-12 17:06:21,010 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2024-11-12 17:06:21,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096278275] [2024-11-12 17:06:21,011 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-12 17:06:21,011 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-12 17:06:21,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:06:21,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-12 17:06:21,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=314, Unknown=0, NotChecked=0, Total=380 [2024-11-12 17:06:21,012 INFO L87 Difference]: Start difference. First operand 1669 states and 2144 transitions. Second operand has 18 states, 17 states have (on average 7.470588235294118) internal successors, (127), 18 states have internal predecessors, (127), 11 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 11 states have call predecessors, (27), 11 states have call successors, (27) [2024-11-12 17:06:24,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:06:24,404 INFO L93 Difference]: Finished difference Result 3787 states and 4962 transitions. [2024-11-12 17:06:24,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-11-12 17:06:24,405 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 7.470588235294118) internal successors, (127), 18 states have internal predecessors, (127), 11 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 11 states have call predecessors, (27), 11 states have call successors, (27) Word has length 259 [2024-11-12 17:06:24,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:06:24,416 INFO L225 Difference]: With dead ends: 3787 [2024-11-12 17:06:24,417 INFO L226 Difference]: Without dead ends: 3756 [2024-11-12 17:06:24,418 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 309 GetRequests, 257 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 755 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=498, Invalid=2364, Unknown=0, NotChecked=0, Total=2862 [2024-11-12 17:06:24,418 INFO L435 NwaCegarLoop]: 198 mSDtfsCounter, 503 mSDsluCounter, 422 mSDsCounter, 0 mSdLazyCounter, 4517 mSolverCounterSat, 126 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 515 SdHoareTripleChecker+Valid, 620 SdHoareTripleChecker+Invalid, 4643 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 126 IncrementalHoareTripleChecker+Valid, 4517 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-11-12 17:06:24,419 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [515 Valid, 620 Invalid, 4643 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [126 Valid, 4517 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-11-12 17:06:24,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3756 states. [2024-11-12 17:06:24,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3756 to 2412. [2024-11-12 17:06:24,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2412 states, 1968 states have (on average 1.1366869918699187) internal successors, (2237), 1977 states have internal predecessors, (2237), 433 states have call successors, (433), 1 states have call predecessors, (433), 1 states have return successors, (433), 433 states have call predecessors, (433), 433 states have call successors, (433) [2024-11-12 17:06:24,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2412 states to 2412 states and 3103 transitions. [2024-11-12 17:06:24,826 INFO L78 Accepts]: Start accepts. Automaton has 2412 states and 3103 transitions. Word has length 259 [2024-11-12 17:06:24,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:06:24,826 INFO L471 AbstractCegarLoop]: Abstraction has 2412 states and 3103 transitions. [2024-11-12 17:06:24,826 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 7.470588235294118) internal successors, (127), 18 states have internal predecessors, (127), 11 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 11 states have call predecessors, (27), 11 states have call successors, (27) [2024-11-12 17:06:24,826 INFO L276 IsEmpty]: Start isEmpty. Operand 2412 states and 3103 transitions. [2024-11-12 17:06:24,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2024-11-12 17:06:24,828 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:06:24,828 INFO L218 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, 1] [2024-11-12 17:06:24,841 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0 [2024-11-12 17:06:25,028 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43,33 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:06:25,029 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-12 17:06:25,029 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:06:25,029 INFO L85 PathProgramCache]: Analyzing trace with hash 1227874804, now seen corresponding path program 1 times [2024-11-12 17:06:25,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:06:25,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [990833809] [2024-11-12 17:06:25,030 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:06:25,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:06:25,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:06:25,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-12 17:06:25,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:06:25,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 17:06:25,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:06:25,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-12 17:06:25,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:06:25,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-12 17:06:25,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:06:25,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-12 17:06:25,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:06:25,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-12 17:06:25,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:06:25,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-12 17:06:25,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:06:25,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-12 17:06:25,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:06:25,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 17:06:25,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:06:25,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 17:06:25,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:06:25,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 17:06:25,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:06:25,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 17:06:25,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:06:25,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 17:06:25,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:06:25,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-12 17:06:25,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:06:25,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-12 17:06:25,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:06:25,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 17:06:25,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:06:25,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-12 17:06:25,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:06:25,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-12 17:06:25,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:06:25,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-12 17:06:25,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:06:25,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-12 17:06:25,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:06:25,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-12 17:06:25,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:06:25,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-12 17:06:25,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:06:25,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-12 17:06:25,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:06:25,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-12 17:06:25,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:06:25,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-11-12 17:06:25,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:06:25,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-12 17:06:25,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:06:25,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-11-12 17:06:25,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:06:25,311 INFO L134 CoverageAnalysis]: Checked inductivity of 1717 backedges. 64 proven. 249 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-12 17:06:25,311 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:06:25,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [990833809] [2024-11-12 17:06:25,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [990833809] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:06:25,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [230246185] [2024-11-12 17:06:25,312 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:06:25,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:06:25,312 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:06:25,314 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:06:25,315 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2024-11-12 17:06:25,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:06:25,395 INFO L256 TraceCheckSpWp]: Trace formula consists of 436 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-12 17:06:25,398 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:06:25,572 INFO L134 CoverageAnalysis]: Checked inductivity of 1717 backedges. 584 proven. 157 refuted. 0 times theorem prover too weak. 976 trivial. 0 not checked. [2024-11-12 17:06:25,572 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:06:25,799 INFO L134 CoverageAnalysis]: Checked inductivity of 1717 backedges. 144 proven. 157 refuted. 0 times theorem prover too weak. 1416 trivial. 0 not checked. [2024-11-12 17:06:25,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [230246185] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 17:06:25,799 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 17:06:25,800 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 9] total 14 [2024-11-12 17:06:25,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172533912] [2024-11-12 17:06:25,800 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 17:06:25,800 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-12 17:06:25,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:06:25,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-12 17:06:25,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2024-11-12 17:06:25,801 INFO L87 Difference]: Start difference. First operand 2412 states and 3103 transitions. Second operand has 14 states, 14 states have (on average 13.142857142857142) internal successors, (184), 14 states have internal predecessors, (184), 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) [2024-11-12 17:06:27,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:06:27,493 INFO L93 Difference]: Finished difference Result 3295 states and 4238 transitions. [2024-11-12 17:06:27,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-12 17:06:27,493 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 13.142857142857142) internal successors, (184), 14 states have internal predecessors, (184), 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 262 [2024-11-12 17:06:27,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:06:27,507 INFO L225 Difference]: With dead ends: 3295 [2024-11-12 17:06:27,507 INFO L226 Difference]: Without dead ends: 1634 [2024-11-12 17:06:27,511 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 600 GetRequests, 570 SyntacticMatches, 6 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=146, Invalid=504, Unknown=0, NotChecked=0, Total=650 [2024-11-12 17:06:27,512 INFO L435 NwaCegarLoop]: 111 mSDtfsCounter, 153 mSDsluCounter, 701 mSDsCounter, 0 mSdLazyCounter, 1376 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 812 SdHoareTripleChecker+Invalid, 1411 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 1376 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-12 17:06:27,513 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [156 Valid, 812 Invalid, 1411 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 1376 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-12 17:06:27,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1634 states. [2024-11-12 17:06:27,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1634 to 1571. [2024-11-12 17:06:27,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1571 states, 1276 states have (on average 1.134796238244514) internal successors, (1448), 1285 states have internal predecessors, (1448), 284 states have call successors, (284), 1 states have call predecessors, (284), 1 states have return successors, (284), 284 states have call predecessors, (284), 284 states have call successors, (284) [2024-11-12 17:06:27,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1571 states to 1571 states and 2016 transitions. [2024-11-12 17:06:27,752 INFO L78 Accepts]: Start accepts. Automaton has 1571 states and 2016 transitions. Word has length 262 [2024-11-12 17:06:27,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:06:27,752 INFO L471 AbstractCegarLoop]: Abstraction has 1571 states and 2016 transitions. [2024-11-12 17:06:27,752 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 13.142857142857142) internal successors, (184), 14 states have internal predecessors, (184), 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) [2024-11-12 17:06:27,752 INFO L276 IsEmpty]: Start isEmpty. Operand 1571 states and 2016 transitions. [2024-11-12 17:06:27,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2024-11-12 17:06:27,754 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:06:27,754 INFO L218 NwaCegarLoop]: trace histogram [31, 31, 31, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-12 17:06:27,768 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Forceful destruction successful, exit code 0 [2024-11-12 17:06:27,955 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable44 [2024-11-12 17:06:27,955 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-12 17:06:27,955 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:06:27,955 INFO L85 PathProgramCache]: Analyzing trace with hash 181554417, now seen corresponding path program 6 times [2024-11-12 17:06:27,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:06:27,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997903000] [2024-11-12 17:06:27,956 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:06:27,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:06:27,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:06:27,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2037675432] [2024-11-12 17:06:27,988 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-12 17:06:27,988 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:06:27,990 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:06:27,991 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:06:27,993 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2024-11-12 17:06:28,109 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2024-11-12 17:06:28,109 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-12 17:06:28,110 INFO L256 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-12 17:06:28,114 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:06:28,983 INFO L134 CoverageAnalysis]: Checked inductivity of 2247 backedges. 178 proven. 189 refuted. 0 times theorem prover too weak. 1880 trivial. 0 not checked. [2024-11-12 17:06:28,983 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:06:33,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:06:33,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997903000] [2024-11-12 17:06:33,697 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:06:33,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2037675432] [2024-11-12 17:06:33,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2037675432] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:06:33,697 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-12 17:06:33,697 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2024-11-12 17:06:33,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538654017] [2024-11-12 17:06:33,697 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-12 17:06:33,698 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-12 17:06:33,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:06:33,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-12 17:06:33,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=274, Unknown=1, NotChecked=0, Total=342 [2024-11-12 17:06:33,698 INFO L87 Difference]: Start difference. First operand 1571 states and 2016 transitions. Second operand has 13 states, 12 states have (on average 6.5) internal successors, (78), 12 states have internal predecessors, (78), 3 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (14), 4 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-12 17:06:35,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:06:35,478 INFO L93 Difference]: Finished difference Result 1573 states and 2018 transitions. [2024-11-12 17:06:35,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-12 17:06:35,479 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 6.5) internal successors, (78), 12 states have internal predecessors, (78), 3 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (14), 4 states have call predecessors, (14), 3 states have call successors, (14) Word has length 297 [2024-11-12 17:06:35,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:06:35,483 INFO L225 Difference]: With dead ends: 1573 [2024-11-12 17:06:35,483 INFO L226 Difference]: Without dead ends: 1549 [2024-11-12 17:06:35,484 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 328 GetRequests, 296 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 186 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=258, Invalid=863, Unknown=1, NotChecked=0, Total=1122 [2024-11-12 17:06:35,484 INFO L435 NwaCegarLoop]: 20 mSDtfsCounter, 247 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 461 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 248 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 536 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 461 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-12 17:06:35,484 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [248 Valid, 119 Invalid, 536 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 461 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-12 17:06:35,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1549 states. [2024-11-12 17:06:35,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1549 to 859. [2024-11-12 17:06:35,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 859 states, 699 states have (on average 1.0586552217453504) internal successors, (740), 704 states have internal predecessors, (740), 153 states have call successors, (153), 1 states have call predecessors, (153), 1 states have return successors, (153), 153 states have call predecessors, (153), 153 states have call successors, (153) [2024-11-12 17:06:35,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 859 states to 859 states and 1046 transitions. [2024-11-12 17:06:35,635 INFO L78 Accepts]: Start accepts. Automaton has 859 states and 1046 transitions. Word has length 297 [2024-11-12 17:06:35,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:06:35,635 INFO L471 AbstractCegarLoop]: Abstraction has 859 states and 1046 transitions. [2024-11-12 17:06:35,635 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 6.5) internal successors, (78), 12 states have internal predecessors, (78), 3 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (14), 4 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-12 17:06:35,635 INFO L276 IsEmpty]: Start isEmpty. Operand 859 states and 1046 transitions. [2024-11-12 17:06:35,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2024-11-12 17:06:35,637 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:06:35,637 INFO L218 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, 1] [2024-11-12 17:06:35,643 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Forceful destruction successful, exit code 0 [2024-11-12 17:06:35,837 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable45 [2024-11-12 17:06:35,837 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-12 17:06:35,838 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:06:35,838 INFO L85 PathProgramCache]: Analyzing trace with hash 1608355544, now seen corresponding path program 2 times [2024-11-12 17:06:35,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:06:35,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737323103] [2024-11-12 17:06:35,838 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:06:35,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:06:35,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:06:36,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-12 17:06:36,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:06:36,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 17:06:36,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:06:36,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-12 17:06:36,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:06:36,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-12 17:06:36,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:06:36,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-12 17:06:36,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:06:36,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-12 17:06:36,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:06:36,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-12 17:06:36,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:06:36,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-12 17:06:36,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:06:36,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 17:06:36,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:06:36,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 17:06:36,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:06:36,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 17:06:36,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:06:36,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 17:06:36,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:06:36,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 17:06:36,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:06:36,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-12 17:06:36,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:06:36,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-12 17:06:36,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:06:36,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 17:06:36,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:06:36,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-12 17:06:36,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:06:36,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-12 17:06:36,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:06:36,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-12 17:06:36,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:06:36,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-12 17:06:36,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:06:36,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-12 17:06:36,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:06:36,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-12 17:06:36,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:06:36,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-12 17:06:36,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:06:36,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-12 17:06:36,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:06:36,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-11-12 17:06:36,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:06:36,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-12 17:06:36,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:06:36,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-11-12 17:06:36,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:06:36,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-11-12 17:06:36,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:06:36,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-11-12 17:06:36,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:06:36,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2024-11-12 17:06:36,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:06:36,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2024-11-12 17:06:36,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:06:36,136 INFO L134 CoverageAnalysis]: Checked inductivity of 2299 backedges. 76 proven. 363 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-12 17:06:36,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:06:36,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737323103] [2024-11-12 17:06:36,137 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [737323103] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:06:36,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [248339112] [2024-11-12 17:06:36,137 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-12 17:06:36,137 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:06:36,137 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:06:36,139 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:06:36,140 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2024-11-12 17:06:36,292 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-12 17:06:36,292 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-12 17:06:36,294 INFO L256 TraceCheckSpWp]: Trace formula consists of 494 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-12 17:06:36,301 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:06:36,552 INFO L134 CoverageAnalysis]: Checked inductivity of 2299 backedges. 196 proven. 363 refuted. 0 times theorem prover too weak. 1740 trivial. 0 not checked. [2024-11-12 17:06:36,552 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:06:36,839 INFO L134 CoverageAnalysis]: Checked inductivity of 2299 backedges. 76 proven. 363 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-12 17:06:36,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [248339112] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 17:06:36,840 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 17:06:36,840 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 14 [2024-11-12 17:06:36,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900301090] [2024-11-12 17:06:36,840 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 17:06:36,841 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-12 17:06:36,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:06:36,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-12 17:06:36,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2024-11-12 17:06:36,842 INFO L87 Difference]: Start difference. First operand 859 states and 1046 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, (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) [2024-11-12 17:06:38,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:06:38,596 INFO L93 Difference]: Finished difference Result 1279 states and 1549 transitions. [2024-11-12 17:06:38,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-12 17:06:38,597 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, (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 300 [2024-11-12 17:06:38,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:06:38,605 INFO L225 Difference]: With dead ends: 1279 [2024-11-12 17:06:38,605 INFO L226 Difference]: Without dead ends: 728 [2024-11-12 17:06:38,606 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 688 GetRequests, 653 SyntacticMatches, 9 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=183, Invalid=573, Unknown=0, NotChecked=0, Total=756 [2024-11-12 17:06:38,607 INFO L435 NwaCegarLoop]: 137 mSDtfsCounter, 177 mSDsluCounter, 967 mSDsCounter, 0 mSdLazyCounter, 1878 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 1104 SdHoareTripleChecker+Invalid, 1921 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 1878 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-12 17:06:38,607 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [182 Valid, 1104 Invalid, 1921 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 1878 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-12 17:06:38,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 728 states. [2024-11-12 17:06:38,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 728 to 631. [2024-11-12 17:06:38,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 631 states, 511 states have (on average 1.0528375733855186) internal successors, (538), 516 states have internal predecessors, (538), 113 states have call successors, (113), 1 states have call predecessors, (113), 1 states have return successors, (113), 113 states have call predecessors, (113), 113 states have call successors, (113) [2024-11-12 17:06:38,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 631 states to 631 states and 764 transitions. [2024-11-12 17:06:38,726 INFO L78 Accepts]: Start accepts. Automaton has 631 states and 764 transitions. Word has length 300 [2024-11-12 17:06:38,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:06:38,726 INFO L471 AbstractCegarLoop]: Abstraction has 631 states and 764 transitions. [2024-11-12 17:06:38,726 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, (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) [2024-11-12 17:06:38,727 INFO L276 IsEmpty]: Start isEmpty. Operand 631 states and 764 transitions. [2024-11-12 17:06:38,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2024-11-12 17:06:38,728 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:06:38,728 INFO L218 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, 1] [2024-11-12 17:06:38,735 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Ended with exit code 0 [2024-11-12 17:06:38,928 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46 [2024-11-12 17:06:38,929 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-12 17:06:38,929 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:06:38,929 INFO L85 PathProgramCache]: Analyzing trace with hash -1211731780, now seen corresponding path program 3 times [2024-11-12 17:06:38,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:06:38,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909149980] [2024-11-12 17:06:38,929 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:06:38,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:06:38,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:06:38,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [609586338] [2024-11-12 17:06:38,958 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-12 17:06:38,959 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:06:38,959 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:06:38,961 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:06:38,962 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2024-11-12 17:06:39,079 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-12 17:06:39,080 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-12 17:06:39,081 INFO L256 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-12 17:06:39,085 INFO L279 TraceCheckSpWp]: Computing forward predicates...