./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 803cd42f Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound2.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 942b28ff7c0583b7db8395d2c315e70afc8fe68ba69d39faf867ac75d7628edb --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 22:29:24,416 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 22:29:24,464 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-22 22:29:24,469 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 22:29:24,471 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 22:29:24,493 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 22:29:24,494 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 22:29:24,494 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 22:29:24,495 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 22:29:24,496 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 22:29:24,496 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 22:29:24,496 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 22:29:24,497 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 22:29:24,497 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 22:29:24,497 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 22:29:24,499 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 22:29:24,499 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 22:29:24,499 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-22 22:29:24,500 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 22:29:24,500 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-22 22:29:24,500 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 22:29:24,501 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 22:29:24,501 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 22:29:24,501 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 22:29:24,501 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 22:29:24,502 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-22 22:29:24,502 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-22 22:29:24,502 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-22 22:29:24,502 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 22:29:24,503 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 22:29:24,503 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 22:29:24,503 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 22:29:24,503 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 22:29:24,503 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 22:29:24,504 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 22:29:24,504 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 22:29:24,504 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 22:29:24,504 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 22:29:24,505 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 22:29:24,505 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 22:29:24,505 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 22:29:24,505 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 22:29:24,505 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 22:29:24,505 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 22:29:24,505 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 942b28ff7c0583b7db8395d2c315e70afc8fe68ba69d39faf867ac75d7628edb [2024-11-22 22:29:24,718 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 22:29:24,736 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 22:29:24,737 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 22:29:24,738 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 22:29:24,738 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 22:29:24,739 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound2.c [2024-11-22 22:29:25,896 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 22:29:26,033 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 22:29:26,033 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound2.c [2024-11-22 22:29:26,038 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/173b40230/5248914bc0c94f1dace5065ec54a2e40/FLAGd76355741 [2024-11-22 22:29:26,456 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/173b40230/5248914bc0c94f1dace5065ec54a2e40 [2024-11-22 22:29:26,458 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 22:29:26,459 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 22:29:26,460 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 22:29:26,460 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 22:29:26,466 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 22:29:26,467 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:29:26" (1/1) ... [2024-11-22 22:29:26,467 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a9f4a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:29:26, skipping insertion in model container [2024-11-22 22:29:26,467 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:29:26" (1/1) ... [2024-11-22 22:29:26,484 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 22:29:26,621 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 22:29:26,630 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 22:29:26,662 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 22:29:26,675 INFO L204 MainTranslator]: Completed translation [2024-11-22 22:29:26,675 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:29:26 WrapperNode [2024-11-22 22:29:26,677 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 22:29:26,678 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 22:29:26,678 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 22:29:26,678 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 22:29:26,684 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:29:26" (1/1) ... [2024-11-22 22:29:26,690 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:29:26" (1/1) ... [2024-11-22 22:29:26,727 INFO L138 Inliner]: procedures = 14, calls = 20, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 192 [2024-11-22 22:29:26,728 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 22:29:26,728 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 22:29:26,728 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 22:29:26,729 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 22:29:26,737 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:29:26" (1/1) ... [2024-11-22 22:29:26,737 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:29:26" (1/1) ... [2024-11-22 22:29:26,742 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:29:26" (1/1) ... [2024-11-22 22:29:26,762 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]. [2024-11-22 22:29:26,763 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:29:26" (1/1) ... [2024-11-22 22:29:26,763 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:29:26" (1/1) ... [2024-11-22 22:29:26,770 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:29:26" (1/1) ... [2024-11-22 22:29:26,773 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:29:26" (1/1) ... [2024-11-22 22:29:26,777 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:29:26" (1/1) ... [2024-11-22 22:29:26,778 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:29:26" (1/1) ... [2024-11-22 22:29:26,779 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 22:29:26,782 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 22:29:26,782 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 22:29:26,782 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 22:29:26,782 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:29:26" (1/1) ... [2024-11-22 22:29:26,787 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 22:29:26,798 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:29:26,813 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) [2024-11-22 22:29:26,815 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 [2024-11-22 22:29:26,854 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 22:29:26,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-22 22:29:26,854 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 22:29:26,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 22:29:26,855 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-22 22:29:26,855 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-22 22:29:26,948 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 22:29:26,950 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 22:29:27,494 INFO L? ?]: Removed 239 outVars from TransFormulas that were not future-live. [2024-11-22 22:29:27,494 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 22:29:27,517 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 22:29:27,518 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-22 22:29:27,519 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:29:27 BoogieIcfgContainer [2024-11-22 22:29:27,519 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 22:29:27,520 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 22:29:27,521 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 22:29:27,523 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 22:29:27,523 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 10:29:26" (1/3) ... [2024-11-22 22:29:27,524 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3271dabf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 10:29:27, skipping insertion in model container [2024-11-22 22:29:27,524 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:29:26" (2/3) ... [2024-11-22 22:29:27,525 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3271dabf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 10:29:27, skipping insertion in model container [2024-11-22 22:29:27,525 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:29:27" (3/3) ... [2024-11-22 22:29:27,526 INFO L112 eAbstractionObserver]: Analyzing ICFG cohencu-ll_valuebound2.c [2024-11-22 22:29:27,538 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 22:29:27,538 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 138 error locations. [2024-11-22 22:29:27,600 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 22:29:27,606 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;@71939e61, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 22:29:27,606 INFO L334 AbstractCegarLoop]: Starting to check reachability of 138 error locations. [2024-11-22 22:29:27,610 INFO L276 IsEmpty]: Start isEmpty. Operand has 303 states, 152 states have (on average 1.9407894736842106) internal successors, (295), 290 states have internal predecessors, (295), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-22 22:29:27,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-22 22:29:27,615 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:29:27,615 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-22 22:29:27,616 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-22 22:29:27,620 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:29:27,620 INFO L85 PathProgramCache]: Analyzing trace with hash 889508963, now seen corresponding path program 1 times [2024-11-22 22:29:27,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:29:27,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431298364] [2024-11-22 22:29:27,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:29:27,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:29:27,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:29:27,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:29:27,739 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:29:27,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [431298364] [2024-11-22 22:29:27,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [431298364] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:29:27,740 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:29:27,740 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 22:29:27,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881853745] [2024-11-22 22:29:27,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:29:27,744 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-22 22:29:27,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:29:27,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-22 22:29:27,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-22 22:29:27,761 INFO L87 Difference]: Start difference. First operand has 303 states, 152 states have (on average 1.9407894736842106) internal successors, (295), 290 states have internal predecessors, (295), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) 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) [2024-11-22 22:29:27,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:29:27,795 INFO L93 Difference]: Finished difference Result 595 states and 640 transitions. [2024-11-22 22:29:27,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-22 22:29:27,797 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 [2024-11-22 22:29:27,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:29:27,805 INFO L225 Difference]: With dead ends: 595 [2024-11-22 22:29:27,806 INFO L226 Difference]: Without dead ends: 289 [2024-11-22 22:29:27,809 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-22 22:29:27,811 INFO L432 NwaCegarLoop]: 305 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, 305 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 [2024-11-22 22:29:27,812 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 305 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:29:27,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2024-11-22 22:29:27,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 289. [2024-11-22 22:29:27,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 289 states, 147 states have (on average 1.8911564625850341) internal successors, (278), 277 states have internal predecessors, (278), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-22 22:29:27,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 298 transitions. [2024-11-22 22:29:27,850 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 298 transitions. Word has length 6 [2024-11-22 22:29:27,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:29:27,851 INFO L471 AbstractCegarLoop]: Abstraction has 289 states and 298 transitions. [2024-11-22 22:29:27,851 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) [2024-11-22 22:29:27,851 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 298 transitions. [2024-11-22 22:29:27,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-22 22:29:27,851 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:29:27,852 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-22 22:29:27,852 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-22 22:29:27,852 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-22 22:29:27,853 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:29:27,853 INFO L85 PathProgramCache]: Analyzing trace with hash 889568486, now seen corresponding path program 1 times [2024-11-22 22:29:27,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:29:27,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618804545] [2024-11-22 22:29:27,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:29:27,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:29:27,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:29:27,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:29:27,924 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:29:27,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1618804545] [2024-11-22 22:29:27,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1618804545] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:29:27,924 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:29:27,925 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 22:29:27,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913403865] [2024-11-22 22:29:27,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:29:27,926 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 22:29:27,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:29:27,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 22:29:27,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:29:27,926 INFO L87 Difference]: Start difference. First operand 289 states and 298 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) [2024-11-22 22:29:28,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:29:28,066 INFO L93 Difference]: Finished difference Result 558 states and 577 transitions. [2024-11-22 22:29:28,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 22:29:28,067 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 [2024-11-22 22:29:28,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:29:28,069 INFO L225 Difference]: With dead ends: 558 [2024-11-22 22:29:28,069 INFO L226 Difference]: Without dead ends: 538 [2024-11-22 22:29:28,069 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:29:28,071 INFO L432 NwaCegarLoop]: 272 mSDtfsCounter, 237 mSDsluCounter, 250 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 247 SdHoareTripleChecker+Valid, 522 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:29:28,072 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [247 Valid, 522 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:29:28,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2024-11-22 22:29:28,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 348. [2024-11-22 22:29:28,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 348 states, 201 states have (on average 1.791044776119403) internal successors, (360), 331 states have internal predecessors, (360), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-22 22:29:28,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 390 transitions. [2024-11-22 22:29:28,099 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 390 transitions. Word has length 6 [2024-11-22 22:29:28,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:29:28,100 INFO L471 AbstractCegarLoop]: Abstraction has 348 states and 390 transitions. [2024-11-22 22:29:28,100 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) [2024-11-22 22:29:28,100 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 390 transitions. [2024-11-22 22:29:28,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-22 22:29:28,101 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:29:28,101 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:29:28,101 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-22 22:29:28,101 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-22 22:29:28,102 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:29:28,102 INFO L85 PathProgramCache]: Analyzing trace with hash 1390848492, now seen corresponding path program 1 times [2024-11-22 22:29:28,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:29:28,102 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462951239] [2024-11-22 22:29:28,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:29:28,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:29:28,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:29:28,148 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1840433629] [2024-11-22 22:29:28,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:29:28,149 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:29:28,149 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:29:28,151 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) [2024-11-22 22:29:28,153 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-22 22:29:28,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:29:28,222 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-22 22:29:28,228 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:29:28,377 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-22 22:29:28,378 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:29:28,378 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:29:28,378 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [462951239] [2024-11-22 22:29:28,379 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:29:28,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1840433629] [2024-11-22 22:29:28,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1840433629] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:29:28,380 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:29:28,380 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 22:29:28,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121519182] [2024-11-22 22:29:28,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:29:28,381 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 22:29:28,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:29:28,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 22:29:28,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:29:28,382 INFO L87 Difference]: Start difference. First operand 348 states and 390 transitions. Second operand has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-22 22:29:28,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:29:28,766 INFO L93 Difference]: Finished difference Result 508 states and 565 transitions. [2024-11-22 22:29:28,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 22:29:28,766 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 39 [2024-11-22 22:29:28,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:29:28,768 INFO L225 Difference]: With dead ends: 508 [2024-11-22 22:29:28,768 INFO L226 Difference]: Without dead ends: 453 [2024-11-22 22:29:28,769 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:29:28,770 INFO L432 NwaCegarLoop]: 165 mSDtfsCounter, 134 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 326 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 269 SdHoareTripleChecker+Invalid, 380 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 326 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-22 22:29:28,770 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 269 Invalid, 380 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 326 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-22 22:29:28,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 453 states. [2024-11-22 22:29:28,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 453 to 433. [2024-11-22 22:29:28,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 433 states, 281 states have (on average 1.6476868327402134) internal successors, (463), 411 states have internal predecessors, (463), 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) [2024-11-22 22:29:28,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 503 transitions. [2024-11-22 22:29:28,785 INFO L78 Accepts]: Start accepts. Automaton has 433 states and 503 transitions. Word has length 39 [2024-11-22 22:29:28,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:29:28,786 INFO L471 AbstractCegarLoop]: Abstraction has 433 states and 503 transitions. [2024-11-22 22:29:28,786 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-22 22:29:28,786 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 503 transitions. [2024-11-22 22:29:28,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-22 22:29:28,786 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:29:28,787 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:29:28,795 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-22 22:29:28,987 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:29:28,988 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-22 22:29:28,988 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:29:28,988 INFO L85 PathProgramCache]: Analyzing trace with hash 870574670, now seen corresponding path program 1 times [2024-11-22 22:29:28,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:29:28,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943552324] [2024-11-22 22:29:28,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:29:28,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:29:29,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:29:29,094 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-22 22:29:29,094 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:29:29,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [943552324] [2024-11-22 22:29:29,095 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [943552324] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:29:29,095 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:29:29,095 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 22:29:29,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191978226] [2024-11-22 22:29:29,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:29:29,095 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 22:29:29,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:29:29,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 22:29:29,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:29:29,096 INFO L87 Difference]: Start difference. First operand 433 states and 503 transitions. Second operand has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-22 22:29:29,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:29:29,321 INFO L93 Difference]: Finished difference Result 466 states and 510 transitions. [2024-11-22 22:29:29,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 22:29:29,323 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 41 [2024-11-22 22:29:29,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:29:29,324 INFO L225 Difference]: With dead ends: 466 [2024-11-22 22:29:29,324 INFO L226 Difference]: Without dead ends: 443 [2024-11-22 22:29:29,325 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:29:29,327 INFO L432 NwaCegarLoop]: 226 mSDtfsCounter, 120 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 168 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 427 SdHoareTripleChecker+Invalid, 190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:29:29,328 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 427 Invalid, 190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 168 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 22:29:29,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 443 states. [2024-11-22 22:29:29,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 443 to 433. [2024-11-22 22:29:29,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 433 states, 281 states have (on average 1.5658362989323844) internal successors, (440), 411 states have internal predecessors, (440), 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) [2024-11-22 22:29:29,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 480 transitions. [2024-11-22 22:29:29,345 INFO L78 Accepts]: Start accepts. Automaton has 433 states and 480 transitions. Word has length 41 [2024-11-22 22:29:29,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:29:29,345 INFO L471 AbstractCegarLoop]: Abstraction has 433 states and 480 transitions. [2024-11-22 22:29:29,346 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-22 22:29:29,346 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 480 transitions. [2024-11-22 22:29:29,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-22 22:29:29,347 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:29:29,348 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:29:29,348 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-22 22:29:29,348 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-22 22:29:29,349 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:29:29,349 INFO L85 PathProgramCache]: Analyzing trace with hash -896361808, now seen corresponding path program 1 times [2024-11-22 22:29:29,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:29:29,349 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [221255547] [2024-11-22 22:29:29,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:29:29,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:29:29,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:29:29,477 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-22 22:29:29,479 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:29:29,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [221255547] [2024-11-22 22:29:29,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [221255547] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:29:29,479 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:29:29,479 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:29:29,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171625005] [2024-11-22 22:29:29,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:29:29,481 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:29:29,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:29:29,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:29:29,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:29:29,482 INFO L87 Difference]: Start difference. First operand 433 states and 480 transitions. Second operand has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-22 22:29:29,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:29:29,963 INFO L93 Difference]: Finished difference Result 445 states and 487 transitions. [2024-11-22 22:29:29,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:29:29,964 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 43 [2024-11-22 22:29:29,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:29:29,966 INFO L225 Difference]: With dead ends: 445 [2024-11-22 22:29:29,966 INFO L226 Difference]: Without dead ends: 443 [2024-11-22 22:29:29,966 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:29:29,967 INFO L432 NwaCegarLoop]: 168 mSDtfsCounter, 137 mSDsluCounter, 281 mSDsCounter, 0 mSdLazyCounter, 443 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 449 SdHoareTripleChecker+Invalid, 445 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 443 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-22 22:29:29,967 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 449 Invalid, 445 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 443 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-22 22:29:29,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 443 states. [2024-11-22 22:29:29,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 443 to 433. [2024-11-22 22:29:29,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 433 states, 281 states have (on average 1.5587188612099645) internal successors, (438), 411 states have internal predecessors, (438), 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) [2024-11-22 22:29:29,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 478 transitions. [2024-11-22 22:29:29,983 INFO L78 Accepts]: Start accepts. Automaton has 433 states and 478 transitions. Word has length 43 [2024-11-22 22:29:29,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:29:29,984 INFO L471 AbstractCegarLoop]: Abstraction has 433 states and 478 transitions. [2024-11-22 22:29:29,984 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-22 22:29:29,985 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 478 transitions. [2024-11-22 22:29:29,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-22 22:29:29,986 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:29:29,986 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:29:29,986 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-22 22:29:29,986 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-22 22:29:29,987 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:29:29,987 INFO L85 PathProgramCache]: Analyzing trace with hash -2017412173, now seen corresponding path program 1 times [2024-11-22 22:29:29,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:29:29,989 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [864669157] [2024-11-22 22:29:29,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:29:29,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:29:30,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:29:30,100 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-22 22:29:30,101 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:29:30,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [864669157] [2024-11-22 22:29:30,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [864669157] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:29:30,102 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:29:30,102 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:29:30,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32908003] [2024-11-22 22:29:30,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:29:30,103 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:29:30,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:29:30,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:29:30,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:29:30,103 INFO L87 Difference]: Start difference. First operand 433 states and 478 transitions. Second operand has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-22 22:29:31,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:29:31,067 INFO L93 Difference]: Finished difference Result 445 states and 485 transitions. [2024-11-22 22:29:31,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:29:31,068 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 44 [2024-11-22 22:29:31,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:29:31,070 INFO L225 Difference]: With dead ends: 445 [2024-11-22 22:29:31,071 INFO L226 Difference]: Without dead ends: 443 [2024-11-22 22:29:31,071 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:29:31,072 INFO L432 NwaCegarLoop]: 170 mSDtfsCounter, 137 mSDsluCounter, 281 mSDsCounter, 0 mSdLazyCounter, 441 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 451 SdHoareTripleChecker+Invalid, 443 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 441 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-22 22:29:31,074 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 451 Invalid, 443 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 441 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-22 22:29:31,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 443 states. [2024-11-22 22:29:31,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 443 to 433. [2024-11-22 22:29:31,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 433 states, 281 states have (on average 1.5516014234875444) internal successors, (436), 411 states have internal predecessors, (436), 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) [2024-11-22 22:29:31,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 476 transitions. [2024-11-22 22:29:31,086 INFO L78 Accepts]: Start accepts. Automaton has 433 states and 476 transitions. Word has length 44 [2024-11-22 22:29:31,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:29:31,087 INFO L471 AbstractCegarLoop]: Abstraction has 433 states and 476 transitions. [2024-11-22 22:29:31,087 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-22 22:29:31,087 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 476 transitions. [2024-11-22 22:29:31,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-22 22:29:31,088 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:29:31,088 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:29:31,088 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-22 22:29:31,088 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-22 22:29:31,089 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:29:31,089 INFO L85 PathProgramCache]: Analyzing trace with hash -1248572556, now seen corresponding path program 1 times [2024-11-22 22:29:31,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:29:31,089 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1300708350] [2024-11-22 22:29:31,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:29:31,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:29:31,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:29:31,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2024314028] [2024-11-22 22:29:31,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:29:31,101 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:29:31,101 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:29:31,103 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) [2024-11-22 22:29:31,104 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-22 22:29:31,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:29:31,137 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-22 22:29:31,138 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:29:31,313 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-22 22:29:31,314 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:29:31,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:29:31,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1300708350] [2024-11-22 22:29:31,314 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:29:31,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2024314028] [2024-11-22 22:29:31,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2024314028] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:29:31,314 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:29:31,315 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 22:29:31,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147789350] [2024-11-22 22:29:31,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:29:31,315 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 22:29:31,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:29:31,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 22:29:31,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:29:31,316 INFO L87 Difference]: Start difference. First operand 433 states and 476 transitions. Second operand has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-22 22:29:31,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:29:31,642 INFO L93 Difference]: Finished difference Result 450 states and 483 transitions. [2024-11-22 22:29:31,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 22:29:31,642 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 47 [2024-11-22 22:29:31,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:29:31,644 INFO L225 Difference]: With dead ends: 450 [2024-11-22 22:29:31,644 INFO L226 Difference]: Without dead ends: 441 [2024-11-22 22:29:31,644 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:29:31,644 INFO L432 NwaCegarLoop]: 179 mSDtfsCounter, 112 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 336 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 259 SdHoareTripleChecker+Invalid, 344 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 336 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-22 22:29:31,645 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 259 Invalid, 344 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 336 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-22 22:29:31,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2024-11-22 22:29:31,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 436. [2024-11-22 22:29:31,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 436 states, 284 states have (on average 1.5246478873239437) internal successors, (433), 414 states have internal predecessors, (433), 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) [2024-11-22 22:29:31,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 436 states and 473 transitions. [2024-11-22 22:29:31,656 INFO L78 Accepts]: Start accepts. Automaton has 436 states and 473 transitions. Word has length 47 [2024-11-22 22:29:31,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:29:31,657 INFO L471 AbstractCegarLoop]: Abstraction has 436 states and 473 transitions. [2024-11-22 22:29:31,657 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-22 22:29:31,657 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 473 transitions. [2024-11-22 22:29:31,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-22 22:29:31,658 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:29:31,658 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:29:31,664 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-22 22:29:31,858 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-11-22 22:29:31,859 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-22 22:29:31,859 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:29:31,859 INFO L85 PathProgramCache]: Analyzing trace with hash -51043465, now seen corresponding path program 1 times [2024-11-22 22:29:31,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:29:31,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123568428] [2024-11-22 22:29:31,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:29:31,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:29:31,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:29:31,920 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-22 22:29:31,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:29:31,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2123568428] [2024-11-22 22:29:31,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2123568428] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:29:31,920 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:29:31,920 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:29:31,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472762559] [2024-11-22 22:29:31,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:29:31,922 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:29:31,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:29:31,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:29:31,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:29:31,922 INFO L87 Difference]: Start difference. First operand 436 states and 473 transitions. Second operand has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-22 22:29:32,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:29:32,215 INFO L93 Difference]: Finished difference Result 449 states and 474 transitions. [2024-11-22 22:29:32,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:29:32,216 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 48 [2024-11-22 22:29:32,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:29:32,218 INFO L225 Difference]: With dead ends: 449 [2024-11-22 22:29:32,218 INFO L226 Difference]: Without dead ends: 443 [2024-11-22 22:29:32,218 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:29:32,219 INFO L432 NwaCegarLoop]: 185 mSDtfsCounter, 244 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 290 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 254 SdHoareTripleChecker+Valid, 307 SdHoareTripleChecker+Invalid, 303 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 290 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-22 22:29:32,219 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [254 Valid, 307 Invalid, 303 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 290 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-22 22:29:32,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 443 states. [2024-11-22 22:29:32,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 443 to 436. [2024-11-22 22:29:32,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 436 states, 284 states have (on average 1.5035211267605635) internal successors, (427), 414 states have internal predecessors, (427), 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) [2024-11-22 22:29:32,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 436 states and 467 transitions. [2024-11-22 22:29:32,230 INFO L78 Accepts]: Start accepts. Automaton has 436 states and 467 transitions. Word has length 48 [2024-11-22 22:29:32,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:29:32,230 INFO L471 AbstractCegarLoop]: Abstraction has 436 states and 467 transitions. [2024-11-22 22:29:32,231 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-22 22:29:32,231 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 467 transitions. [2024-11-22 22:29:32,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-22 22:29:32,232 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:29:32,232 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:29:32,232 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-22 22:29:32,232 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-22 22:29:32,233 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:29:32,233 INFO L85 PathProgramCache]: Analyzing trace with hash 1852558139, now seen corresponding path program 1 times [2024-11-22 22:29:32,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:29:32,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934647146] [2024-11-22 22:29:32,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:29:32,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:29:32,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:29:32,330 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-22 22:29:32,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:29:32,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [934647146] [2024-11-22 22:29:32,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [934647146] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:29:32,331 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:29:32,331 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:29:32,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932564180] [2024-11-22 22:29:32,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:29:32,332 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:29:32,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:29:32,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:29:32,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:29:32,333 INFO L87 Difference]: Start difference. First operand 436 states and 467 transitions. Second operand has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-22 22:29:32,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:29:32,735 INFO L93 Difference]: Finished difference Result 447 states and 468 transitions. [2024-11-22 22:29:32,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 22:29:32,735 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 52 [2024-11-22 22:29:32,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:29:32,736 INFO L225 Difference]: With dead ends: 447 [2024-11-22 22:29:32,736 INFO L226 Difference]: Without dead ends: 374 [2024-11-22 22:29:32,737 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:29:32,737 INFO L432 NwaCegarLoop]: 191 mSDtfsCounter, 119 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 541 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 351 SdHoareTripleChecker+Invalid, 546 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 541 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-22 22:29:32,737 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 351 Invalid, 546 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 541 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-22 22:29:32,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states. [2024-11-22 22:29:32,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 370. [2024-11-22 22:29:32,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 370 states, 221 states have (on average 1.6199095022624435) internal successors, (358), 351 states have internal predecessors, (358), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-22 22:29:32,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 370 states and 392 transitions. [2024-11-22 22:29:32,744 INFO L78 Accepts]: Start accepts. Automaton has 370 states and 392 transitions. Word has length 52 [2024-11-22 22:29:32,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:29:32,745 INFO L471 AbstractCegarLoop]: Abstraction has 370 states and 392 transitions. [2024-11-22 22:29:32,745 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-22 22:29:32,745 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 392 transitions. [2024-11-22 22:29:32,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-22 22:29:32,746 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:29:32,746 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:29:32,746 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-22 22:29:32,746 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-22 22:29:32,746 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:29:32,747 INFO L85 PathProgramCache]: Analyzing trace with hash 386547261, now seen corresponding path program 1 times [2024-11-22 22:29:32,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:29:32,747 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725443297] [2024-11-22 22:29:32,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:29:32,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:29:32,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:29:32,793 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-22 22:29:32,793 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:29:32,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725443297] [2024-11-22 22:29:32,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1725443297] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:29:32,793 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:29:32,793 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 22:29:32,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698411655] [2024-11-22 22:29:32,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:29:32,794 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 22:29:32,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:29:32,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 22:29:32,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:29:32,794 INFO L87 Difference]: Start difference. First operand 370 states and 392 transitions. Second operand has 3 states, 2 states have (on average 31.0) internal successors, (62), 3 states have internal predecessors, (62), 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) [2024-11-22 22:29:32,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:29:32,992 INFO L93 Difference]: Finished difference Result 370 states and 392 transitions. [2024-11-22 22:29:32,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 22:29:32,992 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 31.0) internal successors, (62), 3 states have internal predecessors, (62), 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 84 [2024-11-22 22:29:32,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:29:32,993 INFO L225 Difference]: With dead ends: 370 [2024-11-22 22:29:32,994 INFO L226 Difference]: Without dead ends: 363 [2024-11-22 22:29:32,994 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:29:32,994 INFO L432 NwaCegarLoop]: 141 mSDtfsCounter, 138 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 222 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 222 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:29:32,994 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 156 Invalid, 229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 222 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 22:29:32,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2024-11-22 22:29:33,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 363. [2024-11-22 22:29:33,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 363 states, 221 states have (on average 1.588235294117647) internal successors, (351), 344 states have internal predecessors, (351), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-22 22:29:33,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 385 transitions. [2024-11-22 22:29:33,001 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 385 transitions. Word has length 84 [2024-11-22 22:29:33,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:29:33,002 INFO L471 AbstractCegarLoop]: Abstraction has 363 states and 385 transitions. [2024-11-22 22:29:33,002 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 31.0) internal successors, (62), 3 states have internal predecessors, (62), 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) [2024-11-22 22:29:33,002 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 385 transitions. [2024-11-22 22:29:33,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-22 22:29:33,002 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:29:33,003 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:29:33,003 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-22 22:29:33,003 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-22 22:29:33,003 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:29:33,003 INFO L85 PathProgramCache]: Analyzing trace with hash -901936631, now seen corresponding path program 1 times [2024-11-22 22:29:33,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:29:33,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996027506] [2024-11-22 22:29:33,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:29:33,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:29:33,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:29:33,053 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-22 22:29:33,053 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:29:33,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1996027506] [2024-11-22 22:29:33,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1996027506] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:29:33,053 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:29:33,053 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 22:29:33,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1018264276] [2024-11-22 22:29:33,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:29:33,053 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 22:29:33,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:29:33,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 22:29:33,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:29:33,054 INFO L87 Difference]: Start difference. First operand 363 states and 385 transitions. Second operand has 3 states, 2 states have (on average 31.5) internal successors, (63), 3 states have internal predecessors, (63), 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) [2024-11-22 22:29:33,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:29:33,233 INFO L93 Difference]: Finished difference Result 370 states and 388 transitions. [2024-11-22 22:29:33,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 22:29:33,234 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 31.5) internal successors, (63), 3 states have internal predecessors, (63), 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 85 [2024-11-22 22:29:33,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:29:33,235 INFO L225 Difference]: With dead ends: 370 [2024-11-22 22:29:33,236 INFO L226 Difference]: Without dead ends: 369 [2024-11-22 22:29:33,236 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:29:33,237 INFO L432 NwaCegarLoop]: 255 mSDtfsCounter, 24 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 187 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 394 SdHoareTripleChecker+Invalid, 187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 187 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:29:33,237 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 394 Invalid, 187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 187 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 22:29:33,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2024-11-22 22:29:33,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 365. [2024-11-22 22:29:33,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 365 states, 223 states have (on average 1.5829596412556053) internal successors, (353), 346 states have internal predecessors, (353), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-22 22:29:33,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 387 transitions. [2024-11-22 22:29:33,247 INFO L78 Accepts]: Start accepts. Automaton has 365 states and 387 transitions. Word has length 85 [2024-11-22 22:29:33,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:29:33,248 INFO L471 AbstractCegarLoop]: Abstraction has 365 states and 387 transitions. [2024-11-22 22:29:33,248 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 31.5) internal successors, (63), 3 states have internal predecessors, (63), 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) [2024-11-22 22:29:33,248 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 387 transitions. [2024-11-22 22:29:33,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-22 22:29:33,249 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:29:33,249 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:29:33,249 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-22 22:29:33,249 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr58ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-22 22:29:33,249 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:29:33,249 INFO L85 PathProgramCache]: Analyzing trace with hash 1031775984, now seen corresponding path program 1 times [2024-11-22 22:29:33,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:29:33,250 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [688686294] [2024-11-22 22:29:33,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:29:33,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:29:33,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:29:33,315 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-22 22:29:33,316 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:29:33,316 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [688686294] [2024-11-22 22:29:33,316 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [688686294] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:29:33,316 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:29:33,316 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 22:29:33,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044734478] [2024-11-22 22:29:33,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:29:33,317 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 22:29:33,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:29:33,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 22:29:33,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:29:33,318 INFO L87 Difference]: Start difference. First operand 365 states and 387 transitions. Second operand has 3 states, 2 states have (on average 30.0) internal successors, (60), 3 states have internal predecessors, (60), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-22 22:29:33,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:29:33,386 INFO L93 Difference]: Finished difference Result 365 states and 387 transitions. [2024-11-22 22:29:33,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 22:29:33,387 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 30.0) internal successors, (60), 3 states have internal predecessors, (60), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 87 [2024-11-22 22:29:33,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:29:33,388 INFO L225 Difference]: With dead ends: 365 [2024-11-22 22:29:33,389 INFO L226 Difference]: Without dead ends: 363 [2024-11-22 22:29:33,389 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:29:33,389 INFO L432 NwaCegarLoop]: 249 mSDtfsCounter, 192 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 196 SdHoareTripleChecker+Valid, 263 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:29:33,389 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [196 Valid, 263 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:29:33,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2024-11-22 22:29:33,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 363. [2024-11-22 22:29:33,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 363 states, 223 states have (on average 1.5650224215246638) internal successors, (349), 344 states have internal predecessors, (349), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-22 22:29:33,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 383 transitions. [2024-11-22 22:29:33,400 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 383 transitions. Word has length 87 [2024-11-22 22:29:33,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:29:33,401 INFO L471 AbstractCegarLoop]: Abstraction has 363 states and 383 transitions. [2024-11-22 22:29:33,401 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 30.0) internal successors, (60), 3 states have internal predecessors, (60), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-22 22:29:33,401 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 383 transitions. [2024-11-22 22:29:33,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-22 22:29:33,401 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:29:33,401 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:29:33,402 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-22 22:29:33,402 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-22 22:29:33,403 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:29:33,403 INFO L85 PathProgramCache]: Analyzing trace with hash 1920284614, now seen corresponding path program 1 times [2024-11-22 22:29:33,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:29:33,403 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547577718] [2024-11-22 22:29:33,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:29:33,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:29:33,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:29:33,462 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-22 22:29:33,463 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:29:33,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1547577718] [2024-11-22 22:29:33,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1547577718] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:29:33,463 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:29:33,463 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 22:29:33,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179936452] [2024-11-22 22:29:33,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:29:33,464 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 22:29:33,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:29:33,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 22:29:33,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-22 22:29:33,464 INFO L87 Difference]: Start difference. First operand 363 states and 383 transitions. Second operand has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-22 22:29:33,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:29:33,593 INFO L93 Difference]: Finished difference Result 367 states and 383 transitions. [2024-11-22 22:29:33,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:29:33,593 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 88 [2024-11-22 22:29:33,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:29:33,595 INFO L225 Difference]: With dead ends: 367 [2024-11-22 22:29:33,595 INFO L226 Difference]: Without dead ends: 363 [2024-11-22 22:29:33,595 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-22 22:29:33,595 INFO L432 NwaCegarLoop]: 250 mSDtfsCounter, 48 mSDsluCounter, 469 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 719 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:29:33,595 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 719 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:29:33,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2024-11-22 22:29:33,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 361. [2024-11-22 22:29:33,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 361 states, 221 states have (on average 1.5610859728506787) internal successors, (345), 342 states have internal predecessors, (345), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-22 22:29:33,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 361 states and 379 transitions. [2024-11-22 22:29:33,604 INFO L78 Accepts]: Start accepts. Automaton has 361 states and 379 transitions. Word has length 88 [2024-11-22 22:29:33,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:29:33,605 INFO L471 AbstractCegarLoop]: Abstraction has 361 states and 379 transitions. [2024-11-22 22:29:33,605 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-22 22:29:33,605 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 379 transitions. [2024-11-22 22:29:33,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-22 22:29:33,605 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:29:33,606 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:29:33,606 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-22 22:29:33,606 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-22 22:29:33,606 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:29:33,606 INFO L85 PathProgramCache]: Analyzing trace with hash 822292939, now seen corresponding path program 1 times [2024-11-22 22:29:33,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:29:33,606 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [11475439] [2024-11-22 22:29:33,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:29:33,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:29:33,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:29:33,657 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-22 22:29:33,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:29:33,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [11475439] [2024-11-22 22:29:33,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [11475439] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:29:33,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2080883248] [2024-11-22 22:29:33,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:29:33,658 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:29:33,658 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:29:33,660 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) [2024-11-22 22:29:33,661 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-22 22:29:33,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:29:33,696 INFO L255 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-22 22:29:33,698 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:29:33,770 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-22 22:29:33,770 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:29:33,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2080883248] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:29:33,771 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:29:33,771 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-11-22 22:29:33,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [169950854] [2024-11-22 22:29:33,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:29:33,772 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:29:33,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:29:33,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:29:33,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-22 22:29:33,773 INFO L87 Difference]: Start difference. First operand 361 states and 379 transitions. Second operand has 4 states, 3 states have (on average 21.666666666666668) internal successors, (65), 4 states have internal predecessors, (65), 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) [2024-11-22 22:29:33,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:29:33,871 INFO L93 Difference]: Finished difference Result 363 states and 379 transitions. [2024-11-22 22:29:33,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:29:33,871 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 21.666666666666668) internal successors, (65), 4 states have internal predecessors, (65), 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 87 [2024-11-22 22:29:33,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:29:33,873 INFO L225 Difference]: With dead ends: 363 [2024-11-22 22:29:33,873 INFO L226 Difference]: Without dead ends: 355 [2024-11-22 22:29:33,873 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-22 22:29:33,873 INFO L432 NwaCegarLoop]: 301 mSDtfsCounter, 420 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 432 SdHoareTripleChecker+Valid, 367 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:29:33,874 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [432 Valid, 367 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:29:33,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2024-11-22 22:29:33,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 353. [2024-11-22 22:29:33,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 353 states, 221 states have (on average 1.5248868778280542) internal successors, (337), 334 states have internal predecessors, (337), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-22 22:29:33,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 371 transitions. [2024-11-22 22:29:33,884 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 371 transitions. Word has length 87 [2024-11-22 22:29:33,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:29:33,884 INFO L471 AbstractCegarLoop]: Abstraction has 353 states and 371 transitions. [2024-11-22 22:29:33,884 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.666666666666668) internal successors, (65), 4 states have internal predecessors, (65), 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) [2024-11-22 22:29:33,884 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 371 transitions. [2024-11-22 22:29:33,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-22 22:29:33,885 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:29:33,885 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:29:33,892 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-22 22:29:34,085 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:29:34,086 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-22 22:29:34,086 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:29:34,086 INFO L85 PathProgramCache]: Analyzing trace with hash -278722615, now seen corresponding path program 1 times [2024-11-22 22:29:34,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:29:34,086 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042585123] [2024-11-22 22:29:34,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:29:34,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:29:34,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:29:34,136 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-22 22:29:34,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:29:34,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1042585123] [2024-11-22 22:29:34,137 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1042585123] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:29:34,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1920185398] [2024-11-22 22:29:34,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:29:34,137 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:29:34,137 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:29:34,139 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) [2024-11-22 22:29:34,140 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-22 22:29:34,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:29:34,175 INFO L255 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-22 22:29:34,176 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:29:34,242 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-22 22:29:34,242 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:29:34,336 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-22 22:29:34,337 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1920185398] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:29:34,337 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:29:34,337 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-11-22 22:29:34,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32342118] [2024-11-22 22:29:34,337 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:29:34,338 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-22 22:29:34,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:29:34,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-22 22:29:34,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-22 22:29:34,338 INFO L87 Difference]: Start difference. First operand 353 states and 371 transitions. Second operand has 7 states, 6 states have (on average 29.5) internal successors, (177), 7 states have internal predecessors, (177), 3 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-22 22:29:34,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:29:34,487 INFO L93 Difference]: Finished difference Result 614 states and 652 transitions. [2024-11-22 22:29:34,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 22:29:34,487 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 29.5) internal successors, (177), 7 states have internal predecessors, (177), 3 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 88 [2024-11-22 22:29:34,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:29:34,489 INFO L225 Difference]: With dead ends: 614 [2024-11-22 22:29:34,490 INFO L226 Difference]: Without dead ends: 606 [2024-11-22 22:29:34,491 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-22 22:29:34,491 INFO L432 NwaCegarLoop]: 243 mSDtfsCounter, 447 mSDsluCounter, 735 mSDsCounter, 0 mSdLazyCounter, 179 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 464 SdHoareTripleChecker+Valid, 978 SdHoareTripleChecker+Invalid, 194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:29:34,491 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [464 Valid, 978 Invalid, 194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 179 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:29:34,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 606 states. [2024-11-22 22:29:34,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 606 to 413. [2024-11-22 22:29:34,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 413 states, 282 states have (on average 1.5141843971631206) internal successors, (427), 389 states have internal predecessors, (427), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-22 22:29:34,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 471 transitions. [2024-11-22 22:29:34,502 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 471 transitions. Word has length 88 [2024-11-22 22:29:34,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:29:34,502 INFO L471 AbstractCegarLoop]: Abstraction has 413 states and 471 transitions. [2024-11-22 22:29:34,502 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 29.5) internal successors, (177), 7 states have internal predecessors, (177), 3 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-22 22:29:34,503 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 471 transitions. [2024-11-22 22:29:34,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-22 22:29:34,503 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:29:34,503 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:29:34,510 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-22 22:29:34,709 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-22 22:29:34,710 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-22 22:29:34,710 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:29:34,710 INFO L85 PathProgramCache]: Analyzing trace with hash 1460160748, now seen corresponding path program 1 times [2024-11-22 22:29:34,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:29:34,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418966299] [2024-11-22 22:29:34,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:29:34,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:29:34,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:29:34,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1190446149] [2024-11-22 22:29:34,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:29:34,726 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:29:34,726 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:29:34,729 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) [2024-11-22 22:29:34,730 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-22 22:29:34,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:29:34,771 INFO L255 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-22 22:29:34,773 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:29:34,839 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-22 22:29:34,839 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:29:34,981 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-22 22:29:34,982 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:29:34,982 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [418966299] [2024-11-22 22:29:34,982 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:29:34,982 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1190446149] [2024-11-22 22:29:34,982 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1190446149] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:29:34,982 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-22 22:29:34,982 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2024-11-22 22:29:34,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380710716] [2024-11-22 22:29:34,982 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-22 22:29:34,983 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 22:29:34,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:29:34,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 22:29:34,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-22 22:29:34,983 INFO L87 Difference]: Start difference. First operand 413 states and 471 transitions. Second operand has 6 states, 5 states have (on average 27.6) internal successors, (138), 6 states have internal predecessors, (138), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-22 22:29:35,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:29:35,132 INFO L93 Difference]: Finished difference Result 616 states and 648 transitions. [2024-11-22 22:29:35,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 22:29:35,132 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 27.6) internal successors, (138), 6 states have internal predecessors, (138), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) Word has length 99 [2024-11-22 22:29:35,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:29:35,135 INFO L225 Difference]: With dead ends: 616 [2024-11-22 22:29:35,135 INFO L226 Difference]: Without dead ends: 611 [2024-11-22 22:29:35,135 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 192 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2024-11-22 22:29:35,135 INFO L432 NwaCegarLoop]: 301 mSDtfsCounter, 691 mSDsluCounter, 510 mSDsCounter, 0 mSdLazyCounter, 150 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 702 SdHoareTripleChecker+Valid, 811 SdHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:29:35,136 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [702 Valid, 811 Invalid, 175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 150 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:29:35,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 611 states. [2024-11-22 22:29:35,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 611 to 418. [2024-11-22 22:29:35,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 418 states, 290 states have (on average 1.4724137931034482) internal successors, (427), 393 states have internal predecessors, (427), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-22 22:29:35,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 418 states and 473 transitions. [2024-11-22 22:29:35,147 INFO L78 Accepts]: Start accepts. Automaton has 418 states and 473 transitions. Word has length 99 [2024-11-22 22:29:35,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:29:35,147 INFO L471 AbstractCegarLoop]: Abstraction has 418 states and 473 transitions. [2024-11-22 22:29:35,148 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 27.6) internal successors, (138), 6 states have internal predecessors, (138), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-22 22:29:35,148 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 473 transitions. [2024-11-22 22:29:35,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-22 22:29:35,148 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:29:35,149 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:29:35,155 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-22 22:29:35,349 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-22 22:29:35,350 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr70ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-22 22:29:35,351 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:29:35,351 INFO L85 PathProgramCache]: Analyzing trace with hash -590433326, now seen corresponding path program 1 times [2024-11-22 22:29:35,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:29:35,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135331930] [2024-11-22 22:29:35,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:29:35,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:29:35,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:29:35,478 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-22 22:29:35,478 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:29:35,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135331930] [2024-11-22 22:29:35,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1135331930] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:29:35,478 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:29:35,478 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 22:29:35,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149572800] [2024-11-22 22:29:35,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:29:35,479 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 22:29:35,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:29:35,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 22:29:35,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-22 22:29:35,480 INFO L87 Difference]: Start difference. First operand 418 states and 473 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-22 22:29:35,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:29:35,615 INFO L93 Difference]: Finished difference Result 424 states and 476 transitions. [2024-11-22 22:29:35,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 22:29:35,615 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 104 [2024-11-22 22:29:35,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:29:35,617 INFO L225 Difference]: With dead ends: 424 [2024-11-22 22:29:35,617 INFO L226 Difference]: Without dead ends: 396 [2024-11-22 22:29:35,617 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-22 22:29:35,618 INFO L432 NwaCegarLoop]: 210 mSDtfsCounter, 229 mSDsluCounter, 220 mSDsCounter, 0 mSdLazyCounter, 168 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 239 SdHoareTripleChecker+Valid, 430 SdHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:29:35,618 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [239 Valid, 430 Invalid, 170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 168 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:29:35,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2024-11-22 22:29:35,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 396. [2024-11-22 22:29:35,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 396 states, 272 states have (on average 1.4889705882352942) internal successors, (405), 373 states have internal predecessors, (405), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-22 22:29:35,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 396 states and 447 transitions. [2024-11-22 22:29:35,628 INFO L78 Accepts]: Start accepts. Automaton has 396 states and 447 transitions. Word has length 104 [2024-11-22 22:29:35,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:29:35,641 INFO L471 AbstractCegarLoop]: Abstraction has 396 states and 447 transitions. [2024-11-22 22:29:35,641 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-22 22:29:35,641 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 447 transitions. [2024-11-22 22:29:35,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-22 22:29:35,642 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:29:35,642 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:29:35,642 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-22 22:29:35,642 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-22 22:29:35,642 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:29:35,642 INFO L85 PathProgramCache]: Analyzing trace with hash -1663949401, now seen corresponding path program 1 times [2024-11-22 22:29:35,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:29:35,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104089277] [2024-11-22 22:29:35,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:29:35,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:29:35,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:29:35,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2091475046] [2024-11-22 22:29:35,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:29:35,660 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:29:35,660 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:29:35,662 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) [2024-11-22 22:29:35,664 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-22 22:29:35,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:29:35,711 INFO L255 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-22 22:29:35,713 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:29:35,917 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-22 22:29:35,917 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:29:35,917 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:29:35,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2104089277] [2024-11-22 22:29:35,917 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:29:35,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2091475046] [2024-11-22 22:29:35,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2091475046] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:29:35,918 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:29:35,918 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 22:29:35,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588070026] [2024-11-22 22:29:35,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:29:35,918 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 22:29:35,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:29:35,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 22:29:35,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-22 22:29:35,919 INFO L87 Difference]: Start difference. First operand 396 states and 447 transitions. Second operand has 5 states, 4 states have (on average 20.75) internal successors, (83), 5 states have internal predecessors, (83), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-22 22:29:36,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:29:36,294 INFO L93 Difference]: Finished difference Result 396 states and 447 transitions. [2024-11-22 22:29:36,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 22:29:36,295 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 20.75) internal successors, (83), 5 states have internal predecessors, (83), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 120 [2024-11-22 22:29:36,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:29:36,296 INFO L225 Difference]: With dead ends: 396 [2024-11-22 22:29:36,296 INFO L226 Difference]: Without dead ends: 386 [2024-11-22 22:29:36,296 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-11-22 22:29:36,297 INFO L432 NwaCegarLoop]: 118 mSDtfsCounter, 231 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 464 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 238 SdHoareTripleChecker+Valid, 243 SdHoareTripleChecker+Invalid, 479 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 464 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-22 22:29:36,297 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [238 Valid, 243 Invalid, 479 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 464 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-22 22:29:36,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 386 states. [2024-11-22 22:29:36,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 386 to 386. [2024-11-22 22:29:36,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 386 states, 272 states have (on average 1.4375) internal successors, (391), 363 states have internal predecessors, (391), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-22 22:29:36,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 386 states and 433 transitions. [2024-11-22 22:29:36,306 INFO L78 Accepts]: Start accepts. Automaton has 386 states and 433 transitions. Word has length 120 [2024-11-22 22:29:36,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:29:36,307 INFO L471 AbstractCegarLoop]: Abstraction has 386 states and 433 transitions. [2024-11-22 22:29:36,307 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 20.75) internal successors, (83), 5 states have internal predecessors, (83), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-22 22:29:36,307 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 433 transitions. [2024-11-22 22:29:36,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-22 22:29:36,307 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:29:36,307 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:29:36,314 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-22 22:29:36,508 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-22 22:29:36,509 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-22 22:29:36,509 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:29:36,509 INFO L85 PathProgramCache]: Analyzing trace with hash -42823788, now seen corresponding path program 1 times [2024-11-22 22:29:36,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:29:36,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1423723243] [2024-11-22 22:29:36,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:29:36,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:29:36,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:29:36,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1181380598] [2024-11-22 22:29:36,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:29:36,526 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:29:36,526 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:29:36,528 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) [2024-11-22 22:29:36,529 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-22 22:29:36,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:29:36,572 INFO L255 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-22 22:29:36,574 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:29:36,781 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-22 22:29:36,782 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:29:41,173 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:29:41,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1423723243] [2024-11-22 22:29:41,173 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:29:41,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1181380598] [2024-11-22 22:29:41,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1181380598] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:29:41,174 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:29:41,174 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-11-22 22:29:41,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860348305] [2024-11-22 22:29:41,174 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 22:29:41,174 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 22:29:41,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:29:41,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 22:29:41,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=32, Unknown=1, NotChecked=0, Total=56 [2024-11-22 22:29:41,175 INFO L87 Difference]: Start difference. First operand 386 states and 433 transitions. Second operand has 5 states, 4 states have (on average 21.0) internal successors, (84), 5 states have internal predecessors, (84), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-22 22:29:41,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:29:41,651 INFO L93 Difference]: Finished difference Result 511 states and 590 transitions. [2024-11-22 22:29:41,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 22:29:41,652 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 21.0) internal successors, (84), 5 states have internal predecessors, (84), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 121 [2024-11-22 22:29:41,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:29:41,653 INFO L225 Difference]: With dead ends: 511 [2024-11-22 22:29:41,653 INFO L226 Difference]: Without dead ends: 487 [2024-11-22 22:29:41,653 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=23, Invalid=32, Unknown=1, NotChecked=0, Total=56 [2024-11-22 22:29:41,654 INFO L432 NwaCegarLoop]: 143 mSDtfsCounter, 129 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 551 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 302 SdHoareTripleChecker+Invalid, 574 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 551 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-22 22:29:41,654 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 302 Invalid, 574 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 551 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-22 22:29:41,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 487 states. [2024-11-22 22:29:41,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 487 to 471. [2024-11-22 22:29:41,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 471 states, 352 states have (on average 1.4403409090909092) internal successors, (507), 443 states have internal predecessors, (507), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-22 22:29:41,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 471 states and 559 transitions. [2024-11-22 22:29:41,665 INFO L78 Accepts]: Start accepts. Automaton has 471 states and 559 transitions. Word has length 121 [2024-11-22 22:29:41,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:29:41,666 INFO L471 AbstractCegarLoop]: Abstraction has 471 states and 559 transitions. [2024-11-22 22:29:41,666 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 21.0) internal successors, (84), 5 states have internal predecessors, (84), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-22 22:29:41,666 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 559 transitions. [2024-11-22 22:29:41,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-22 22:29:41,666 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:29:41,667 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:29:41,676 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-22 22:29:41,867 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:29:41,868 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-22 22:29:41,868 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:29:41,868 INFO L85 PathProgramCache]: Analyzing trace with hash -1327537335, now seen corresponding path program 1 times [2024-11-22 22:29:41,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:29:41,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192034164] [2024-11-22 22:29:41,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:29:41,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:29:41,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:29:41,963 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-22 22:29:41,963 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:29:41,963 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [192034164] [2024-11-22 22:29:41,963 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [192034164] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:29:41,963 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [108847914] [2024-11-22 22:29:41,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:29:41,964 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:29:41,964 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:29:41,965 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) [2024-11-22 22:29:41,967 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-22 22:29:42,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:29:42,007 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-22 22:29:42,009 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:29:42,158 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-22 22:29:42,159 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:29:42,280 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-22 22:29:42,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [108847914] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:29:42,280 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:29:42,280 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 3] total 7 [2024-11-22 22:29:42,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [127232816] [2024-11-22 22:29:42,280 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:29:42,281 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-22 22:29:42,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:29:42,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-22 22:29:42,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-22 22:29:42,282 INFO L87 Difference]: Start difference. First operand 471 states and 559 transitions. Second operand has 8 states, 7 states have (on average 31.285714285714285) internal successors, (219), 8 states have internal predecessors, (219), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) [2024-11-22 22:29:42,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:29:42,775 INFO L93 Difference]: Finished difference Result 493 states and 566 transitions. [2024-11-22 22:29:42,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-22 22:29:42,776 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 31.285714285714285) internal successors, (219), 8 states have internal predecessors, (219), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) Word has length 122 [2024-11-22 22:29:42,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:29:42,777 INFO L225 Difference]: With dead ends: 493 [2024-11-22 22:29:42,777 INFO L226 Difference]: Without dead ends: 488 [2024-11-22 22:29:42,777 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 247 GetRequests, 240 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2024-11-22 22:29:42,778 INFO L432 NwaCegarLoop]: 184 mSDtfsCounter, 330 mSDsluCounter, 374 mSDsCounter, 0 mSdLazyCounter, 638 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 342 SdHoareTripleChecker+Valid, 558 SdHoareTripleChecker+Invalid, 652 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 638 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-22 22:29:42,778 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [342 Valid, 558 Invalid, 652 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 638 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-22 22:29:42,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 488 states. [2024-11-22 22:29:42,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 488 to 467. [2024-11-22 22:29:42,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 467 states, 352 states have (on average 1.4147727272727273) internal successors, (498), 439 states have internal predecessors, (498), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-22 22:29:42,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 467 states and 550 transitions. [2024-11-22 22:29:42,798 INFO L78 Accepts]: Start accepts. Automaton has 467 states and 550 transitions. Word has length 122 [2024-11-22 22:29:42,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:29:42,798 INFO L471 AbstractCegarLoop]: Abstraction has 467 states and 550 transitions. [2024-11-22 22:29:42,798 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 31.285714285714285) internal successors, (219), 8 states have internal predecessors, (219), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) [2024-11-22 22:29:42,799 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 550 transitions. [2024-11-22 22:29:42,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-22 22:29:42,800 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:29:42,800 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 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, 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, 1] [2024-11-22 22:29:42,812 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-22 22:29:43,000 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:29:43,001 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-22 22:29:43,001 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:29:43,001 INFO L85 PathProgramCache]: Analyzing trace with hash 1796015670, now seen corresponding path program 1 times [2024-11-22 22:29:43,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:29:43,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760426715] [2024-11-22 22:29:43,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:29:43,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:29:43,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:29:43,094 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-22 22:29:43,094 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:29:43,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [760426715] [2024-11-22 22:29:43,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [760426715] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:29:43,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [563665297] [2024-11-22 22:29:43,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:29:43,095 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:29:43,095 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:29:43,096 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) [2024-11-22 22:29:43,097 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-22 22:29:43,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:29:43,145 INFO L255 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-22 22:29:43,147 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:29:43,296 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-22 22:29:43,296 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:29:43,418 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-22 22:29:43,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [563665297] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:29:43,419 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:29:43,419 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 3] total 7 [2024-11-22 22:29:43,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1355951093] [2024-11-22 22:29:43,419 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:29:43,419 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-22 22:29:43,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:29:43,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-22 22:29:43,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2024-11-22 22:29:43,420 INFO L87 Difference]: Start difference. First operand 467 states and 550 transitions. Second operand has 8 states, 7 states have (on average 31.571428571428573) internal successors, (221), 8 states have internal predecessors, (221), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) [2024-11-22 22:29:43,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:29:43,927 INFO L93 Difference]: Finished difference Result 489 states and 557 transitions. [2024-11-22 22:29:43,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-22 22:29:43,927 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 31.571428571428573) internal successors, (221), 8 states have internal predecessors, (221), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) Word has length 123 [2024-11-22 22:29:43,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:29:43,929 INFO L225 Difference]: With dead ends: 489 [2024-11-22 22:29:43,929 INFO L226 Difference]: Without dead ends: 484 [2024-11-22 22:29:43,929 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 249 GetRequests, 242 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=39, Unknown=0, NotChecked=0, Total=72 [2024-11-22 22:29:43,929 INFO L432 NwaCegarLoop]: 135 mSDtfsCounter, 328 mSDsluCounter, 426 mSDsCounter, 0 mSdLazyCounter, 696 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 340 SdHoareTripleChecker+Valid, 561 SdHoareTripleChecker+Invalid, 710 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 696 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-22 22:29:43,930 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [340 Valid, 561 Invalid, 710 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 696 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-22 22:29:43,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 484 states. [2024-11-22 22:29:43,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 484 to 463. [2024-11-22 22:29:43,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 463 states, 352 states have (on average 1.3892045454545454) internal successors, (489), 435 states have internal predecessors, (489), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-22 22:29:43,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 463 states and 541 transitions. [2024-11-22 22:29:43,940 INFO L78 Accepts]: Start accepts. Automaton has 463 states and 541 transitions. Word has length 123 [2024-11-22 22:29:43,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:29:43,940 INFO L471 AbstractCegarLoop]: Abstraction has 463 states and 541 transitions. [2024-11-22 22:29:43,941 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 31.571428571428573) internal successors, (221), 8 states have internal predecessors, (221), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) [2024-11-22 22:29:43,941 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 541 transitions. [2024-11-22 22:29:43,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-22 22:29:43,941 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:29:43,941 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 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, 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, 1] [2024-11-22 22:29:43,949 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-22 22:29:44,142 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:29:44,143 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-22 22:29:44,143 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:29:44,143 INFO L85 PathProgramCache]: Analyzing trace with hash -158088981, now seen corresponding path program 1 times [2024-11-22 22:29:44,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:29:44,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1154545203] [2024-11-22 22:29:44,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:29:44,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:29:44,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:29:44,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1275797561] [2024-11-22 22:29:44,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:29:44,158 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:29:44,158 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:29:44,160 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) [2024-11-22 22:29:44,163 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-22 22:29:44,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:29:44,205 INFO L255 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-22 22:29:44,206 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:29:44,577 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-22 22:29:44,578 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:29:44,782 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-22 22:29:44,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:29:44,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1154545203] [2024-11-22 22:29:44,783 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:29:44,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1275797561] [2024-11-22 22:29:44,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1275797561] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:29:44,783 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-22 22:29:44,783 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2024-11-22 22:29:44,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022244308] [2024-11-22 22:29:44,783 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-22 22:29:44,784 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-22 22:29:44,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:29:44,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-22 22:29:44,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-22 22:29:44,785 INFO L87 Difference]: Start difference. First operand 463 states and 541 transitions. Second operand has 10 states, 9 states have (on average 18.666666666666668) internal successors, (168), 10 states have internal predecessors, (168), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2024-11-22 22:29:46,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:29:46,333 INFO L93 Difference]: Finished difference Result 508 states and 548 transitions. [2024-11-22 22:29:46,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-22 22:29:46,334 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 18.666666666666668) internal successors, (168), 10 states have internal predecessors, (168), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) Word has length 124 [2024-11-22 22:29:46,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:29:46,336 INFO L225 Difference]: With dead ends: 508 [2024-11-22 22:29:46,336 INFO L226 Difference]: Without dead ends: 414 [2024-11-22 22:29:46,336 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 250 GetRequests, 238 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2024-11-22 22:29:46,336 INFO L432 NwaCegarLoop]: 92 mSDtfsCounter, 426 mSDsluCounter, 341 mSDsCounter, 0 mSdLazyCounter, 1353 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 433 SdHoareTripleChecker+Valid, 433 SdHoareTripleChecker+Invalid, 1424 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 1353 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-22 22:29:46,337 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [433 Valid, 433 Invalid, 1424 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 1353 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-22 22:29:46,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 414 states. [2024-11-22 22:29:46,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 414 to 410. [2024-11-22 22:29:46,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 410 states, 304 states have (on average 1.325657894736842) internal successors, (403), 385 states have internal predecessors, (403), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-22 22:29:46,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 410 states and 449 transitions. [2024-11-22 22:29:46,351 INFO L78 Accepts]: Start accepts. Automaton has 410 states and 449 transitions. Word has length 124 [2024-11-22 22:29:46,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:29:46,351 INFO L471 AbstractCegarLoop]: Abstraction has 410 states and 449 transitions. [2024-11-22 22:29:46,351 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 18.666666666666668) internal successors, (168), 10 states have internal predecessors, (168), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2024-11-22 22:29:46,351 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 449 transitions. [2024-11-22 22:29:46,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-22 22:29:46,352 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:29:46,352 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-22 22:29:46,359 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-22 22:29:46,552 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-11-22 22:29:46,552 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-22 22:29:46,553 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:29:46,553 INFO L85 PathProgramCache]: Analyzing trace with hash -243026300, now seen corresponding path program 1 times [2024-11-22 22:29:46,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:29:46,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981821746] [2024-11-22 22:29:46,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:29:46,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:29:46,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:29:46,599 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked. [2024-11-22 22:29:46,599 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:29:46,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [981821746] [2024-11-22 22:29:46,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [981821746] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:29:46,600 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:29:46,600 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 22:29:46,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565292117] [2024-11-22 22:29:46,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:29:46,600 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 22:29:46,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:29:46,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 22:29:46,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:29:46,601 INFO L87 Difference]: Start difference. First operand 410 states and 449 transitions. Second operand has 3 states, 2 states have (on average 44.5) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-22 22:29:46,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:29:46,789 INFO L93 Difference]: Finished difference Result 410 states and 449 transitions. [2024-11-22 22:29:46,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 22:29:46,789 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 44.5) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 166 [2024-11-22 22:29:46,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:29:46,790 INFO L225 Difference]: With dead ends: 410 [2024-11-22 22:29:46,791 INFO L226 Difference]: Without dead ends: 407 [2024-11-22 22:29:46,791 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:29:46,791 INFO L432 NwaCegarLoop]: 109 mSDtfsCounter, 125 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 209 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:29:46,791 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 155 Invalid, 212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 209 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 22:29:46,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2024-11-22 22:29:46,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 407. [2024-11-22 22:29:46,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 407 states, 304 states have (on average 1.3125) internal successors, (399), 382 states have internal predecessors, (399), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-22 22:29:46,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 445 transitions. [2024-11-22 22:29:46,802 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 445 transitions. Word has length 166 [2024-11-22 22:29:46,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:29:46,803 INFO L471 AbstractCegarLoop]: Abstraction has 407 states and 445 transitions. [2024-11-22 22:29:46,803 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 44.5) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-22 22:29:46,803 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 445 transitions. [2024-11-22 22:29:46,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-11-22 22:29:46,803 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:29:46,804 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 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, 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, 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] [2024-11-22 22:29:46,804 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-22 22:29:46,804 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr60ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-22 22:29:46,804 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:29:46,804 INFO L85 PathProgramCache]: Analyzing trace with hash 1665611949, now seen corresponding path program 1 times [2024-11-22 22:29:46,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:29:46,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [991270252] [2024-11-22 22:29:46,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:29:46,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:29:46,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:29:46,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [251586893] [2024-11-22 22:29:46,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:29:46,825 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:29:46,825 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:29:46,827 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:29:46,828 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-22 22:29:46,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:29:46,888 INFO L255 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-22 22:29:46,889 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:29:47,131 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-22 22:29:47,132 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:29:47,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:29:47,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [991270252] [2024-11-22 22:29:47,519 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:29:47,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [251586893] [2024-11-22 22:29:47,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [251586893] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:29:47,519 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:29:47,519 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-22 22:29:47,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158140168] [2024-11-22 22:29:47,519 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 22:29:47,520 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-22 22:29:47,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:29:47,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-22 22:29:47,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-22 22:29:47,521 INFO L87 Difference]: Start difference. First operand 407 states and 445 transitions. Second operand has 7 states, 6 states have (on average 19.666666666666668) internal successors, (118), 7 states have internal predecessors, (118), 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) [2024-11-22 22:29:47,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:29:47,850 INFO L93 Difference]: Finished difference Result 413 states and 445 transitions. [2024-11-22 22:29:47,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-22 22:29:47,850 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 19.666666666666668) internal successors, (118), 7 states have internal predecessors, (118), 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 170 [2024-11-22 22:29:47,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:29:47,851 INFO L225 Difference]: With dead ends: 413 [2024-11-22 22:29:47,852 INFO L226 Difference]: Without dead ends: 407 [2024-11-22 22:29:47,852 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 213 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2024-11-22 22:29:47,852 INFO L432 NwaCegarLoop]: 217 mSDtfsCounter, 93 mSDsluCounter, 690 mSDsCounter, 0 mSdLazyCounter, 544 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 907 SdHoareTripleChecker+Invalid, 554 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 544 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-22 22:29:47,852 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 907 Invalid, 554 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 544 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-22 22:29:47,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2024-11-22 22:29:47,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 407. [2024-11-22 22:29:47,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 407 states, 304 states have (on average 1.292763157894737) internal successors, (393), 382 states have internal predecessors, (393), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-22 22:29:47,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 439 transitions. [2024-11-22 22:29:47,862 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 439 transitions. Word has length 170 [2024-11-22 22:29:47,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:29:47,863 INFO L471 AbstractCegarLoop]: Abstraction has 407 states and 439 transitions. [2024-11-22 22:29:47,863 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 19.666666666666668) internal successors, (118), 7 states have internal predecessors, (118), 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) [2024-11-22 22:29:47,863 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 439 transitions. [2024-11-22 22:29:47,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-22 22:29:47,864 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:29:47,864 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 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, 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, 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] [2024-11-22 22:29:47,871 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-22 22:29:48,064 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2024-11-22 22:29:48,065 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr64ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-22 22:29:48,065 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:29:48,065 INFO L85 PathProgramCache]: Analyzing trace with hash -2033680207, now seen corresponding path program 1 times [2024-11-22 22:29:48,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:29:48,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932589263] [2024-11-22 22:29:48,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:29:48,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:29:48,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:29:48,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2070997685] [2024-11-22 22:29:48,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:29:48,081 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:29:48,081 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:29:48,083 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) [2024-11-22 22:29:48,084 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-22 22:29:48,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:29:48,133 INFO L255 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-22 22:29:48,136 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:29:49,329 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-22 22:29:49,329 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:29:49,881 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-22 22:29:49,881 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:29:49,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932589263] [2024-11-22 22:29:49,882 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:29:49,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2070997685] [2024-11-22 22:29:49,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2070997685] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:29:49,882 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-22 22:29:49,882 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 10 [2024-11-22 22:29:49,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728467891] [2024-11-22 22:29:49,882 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-22 22:29:49,883 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-22 22:29:49,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:29:49,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-22 22:29:49,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2024-11-22 22:29:49,883 INFO L87 Difference]: Start difference. First operand 407 states and 439 transitions. Second operand has 11 states, 10 states have (on average 24.0) internal successors, (240), 11 states have internal predecessors, (240), 4 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2024-11-22 22:29:51,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:29:51,748 INFO L93 Difference]: Finished difference Result 411 states and 439 transitions. [2024-11-22 22:29:51,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-22 22:29:51,749 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 24.0) internal successors, (240), 11 states have internal predecessors, (240), 4 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) Word has length 174 [2024-11-22 22:29:51,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:29:51,750 INFO L225 Difference]: With dead ends: 411 [2024-11-22 22:29:51,750 INFO L226 Difference]: Without dead ends: 407 [2024-11-22 22:29:51,750 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 352 GetRequests, 337 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=92, Invalid=180, Unknown=0, NotChecked=0, Total=272 [2024-11-22 22:29:51,751 INFO L432 NwaCegarLoop]: 89 mSDtfsCounter, 501 mSDsluCounter, 166 mSDsCounter, 0 mSdLazyCounter, 1144 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 506 SdHoareTripleChecker+Valid, 255 SdHoareTripleChecker+Invalid, 1173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 1144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-22 22:29:51,751 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [506 Valid, 255 Invalid, 1173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 1144 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-22 22:29:51,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2024-11-22 22:29:51,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 407. [2024-11-22 22:29:51,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 407 states, 304 states have (on average 1.2796052631578947) internal successors, (389), 382 states have internal predecessors, (389), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-22 22:29:51,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 435 transitions. [2024-11-22 22:29:51,780 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 435 transitions. Word has length 174 [2024-11-22 22:29:51,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:29:51,780 INFO L471 AbstractCegarLoop]: Abstraction has 407 states and 435 transitions. [2024-11-22 22:29:51,780 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 24.0) internal successors, (240), 11 states have internal predecessors, (240), 4 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2024-11-22 22:29:51,780 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 435 transitions. [2024-11-22 22:29:51,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-11-22 22:29:51,781 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:29:51,782 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:29:51,791 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-11-22 22:29:51,985 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,SelfDestructingSolverStorable24 [2024-11-22 22:29:51,986 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr78ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-22 22:29:51,986 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:29:51,986 INFO L85 PathProgramCache]: Analyzing trace with hash 1785882623, now seen corresponding path program 1 times [2024-11-22 22:29:51,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:29:51,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [498728842] [2024-11-22 22:29:51,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:29:51,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:29:52,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:29:52,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1434182304] [2024-11-22 22:29:52,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:29:52,009 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:29:52,010 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:29:52,011 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) [2024-11-22 22:29:52,013 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-22 22:29:52,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:29:52,070 INFO L255 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-22 22:29:52,072 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:29:52,668 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-22 22:29:52,669 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:29:53,410 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-22 22:29:53,411 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:29:53,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [498728842] [2024-11-22 22:29:53,411 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:29:53,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1434182304] [2024-11-22 22:29:53,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1434182304] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:29:53,411 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-22 22:29:53,411 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8] total 14 [2024-11-22 22:29:53,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1885948464] [2024-11-22 22:29:53,411 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-22 22:29:53,412 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-22 22:29:53,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:29:53,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-22 22:29:53,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=140, Unknown=0, NotChecked=0, Total=210 [2024-11-22 22:29:53,414 INFO L87 Difference]: Start difference. First operand 407 states and 435 transitions. Second operand has 15 states, 14 states have (on average 19.0) internal successors, (266), 15 states have internal predecessors, (266), 7 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 7 states have call predecessors, (24), 7 states have call successors, (24) [2024-11-22 22:29:54,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:29:54,703 INFO L93 Difference]: Finished difference Result 478 states and 544 transitions. [2024-11-22 22:29:54,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-22 22:29:54,704 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 19.0) internal successors, (266), 15 states have internal predecessors, (266), 7 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 7 states have call predecessors, (24), 7 states have call successors, (24) Word has length 193 [2024-11-22 22:29:54,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:29:54,705 INFO L225 Difference]: With dead ends: 478 [2024-11-22 22:29:54,707 INFO L226 Difference]: Without dead ends: 475 [2024-11-22 22:29:54,707 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 389 GetRequests, 371 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=132, Invalid=248, Unknown=0, NotChecked=0, Total=380 [2024-11-22 22:29:54,708 INFO L432 NwaCegarLoop]: 58 mSDtfsCounter, 295 mSDsluCounter, 206 mSDsCounter, 0 mSdLazyCounter, 1800 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 298 SdHoareTripleChecker+Valid, 264 SdHoareTripleChecker+Invalid, 1829 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 1800 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:29:54,708 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [298 Valid, 264 Invalid, 1829 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 1800 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-22 22:29:54,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 475 states. [2024-11-22 22:29:54,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 475 to 473. [2024-11-22 22:29:54,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 473 states, 364 states have (on average 1.3241758241758241) internal successors, (482), 442 states have internal predecessors, (482), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-22 22:29:54,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 540 transitions. [2024-11-22 22:29:54,725 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 540 transitions. Word has length 193 [2024-11-22 22:29:54,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:29:54,725 INFO L471 AbstractCegarLoop]: Abstraction has 473 states and 540 transitions. [2024-11-22 22:29:54,725 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 19.0) internal successors, (266), 15 states have internal predecessors, (266), 7 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 7 states have call predecessors, (24), 7 states have call successors, (24) [2024-11-22 22:29:54,725 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 540 transitions. [2024-11-22 22:29:54,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2024-11-22 22:29:54,727 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:29:54,727 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:29:54,736 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-11-22 22:29:54,927 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,SelfDestructingSolverStorable25 [2024-11-22 22:29:54,927 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr79ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-22 22:29:54,928 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:29:54,928 INFO L85 PathProgramCache]: Analyzing trace with hash -472213312, now seen corresponding path program 1 times [2024-11-22 22:29:54,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:29:54,928 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1376611447] [2024-11-22 22:29:54,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:29:54,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:29:54,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:29:55,093 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-22 22:29:55,094 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:29:55,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1376611447] [2024-11-22 22:29:55,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1376611447] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:29:55,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [89310171] [2024-11-22 22:29:55,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:29:55,094 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:29:55,094 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:29:55,096 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) [2024-11-22 22:29:55,097 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-22 22:29:55,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:29:55,165 INFO L255 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-22 22:29:55,167 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:29:55,560 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-22 22:29:55,560 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:29:55,609 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [89310171] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:29:55,609 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-22 22:29:55,609 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 10 [2024-11-22 22:29:55,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340868286] [2024-11-22 22:29:55,609 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-22 22:29:55,609 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-22 22:29:55,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:29:55,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-22 22:29:55,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2024-11-22 22:29:55,610 INFO L87 Difference]: Start difference. First operand 473 states and 540 transitions. Second operand has 11 states, 10 states have (on average 26.8) internal successors, (268), 11 states have internal predecessors, (268), 4 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2024-11-22 22:29:56,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:29:56,543 INFO L93 Difference]: Finished difference Result 473 states and 540 transitions. [2024-11-22 22:29:56,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-22 22:29:56,543 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 26.8) internal successors, (268), 11 states have internal predecessors, (268), 4 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) Word has length 194 [2024-11-22 22:29:56,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:29:56,545 INFO L225 Difference]: With dead ends: 473 [2024-11-22 22:29:56,545 INFO L226 Difference]: Without dead ends: 469 [2024-11-22 22:29:56,545 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 199 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2024-11-22 22:29:56,546 INFO L432 NwaCegarLoop]: 53 mSDtfsCounter, 429 mSDsluCounter, 168 mSDsCounter, 0 mSdLazyCounter, 1305 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 429 SdHoareTripleChecker+Valid, 221 SdHoareTripleChecker+Invalid, 1346 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 1305 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-22 22:29:56,546 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [429 Valid, 221 Invalid, 1346 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 1305 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-22 22:29:56,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 469 states. [2024-11-22 22:29:56,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 469 to 469. [2024-11-22 22:29:56,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 469 states, 364 states have (on average 1.3021978021978022) internal successors, (474), 438 states have internal predecessors, (474), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-22 22:29:56,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 469 states and 532 transitions. [2024-11-22 22:29:56,561 INFO L78 Accepts]: Start accepts. Automaton has 469 states and 532 transitions. Word has length 194 [2024-11-22 22:29:56,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:29:56,561 INFO L471 AbstractCegarLoop]: Abstraction has 469 states and 532 transitions. [2024-11-22 22:29:56,561 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 26.8) internal successors, (268), 11 states have internal predecessors, (268), 4 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2024-11-22 22:29:56,561 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 532 transitions. [2024-11-22 22:29:56,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2024-11-22 22:29:56,562 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:29:56,563 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-22 22:29:56,569 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-11-22 22:29:56,766 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:29:56,767 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-22 22:29:56,767 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:29:56,767 INFO L85 PathProgramCache]: Analyzing trace with hash -893592658, now seen corresponding path program 1 times [2024-11-22 22:29:56,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:29:56,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [11461196] [2024-11-22 22:29:56,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:29:56,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:29:56,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:29:56,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [603064977] [2024-11-22 22:29:56,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:29:56,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:29:56,789 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:29:56,790 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) [2024-11-22 22:29:56,791 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-22 22:29:56,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:29:56,845 INFO L255 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-22 22:29:56,847 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:29:56,982 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 0 proven. 103 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-22 22:29:56,982 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:29:57,057 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:29:57,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [11461196] [2024-11-22 22:29:57,057 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:29:57,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [603064977] [2024-11-22 22:29:57,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [603064977] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:29:57,057 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:29:57,057 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-11-22 22:29:57,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508632277] [2024-11-22 22:29:57,057 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 22:29:57,058 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 22:29:57,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:29:57,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 22:29:57,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-22 22:29:57,058 INFO L87 Difference]: Start difference. First operand 469 states and 532 transitions. Second operand has 5 states, 4 states have (on average 34.5) internal successors, (138), 5 states have internal predecessors, (138), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-22 22:29:57,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:29:57,159 INFO L93 Difference]: Finished difference Result 605 states and 636 transitions. [2024-11-22 22:29:57,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 22:29:57,160 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 34.5) internal successors, (138), 5 states have internal predecessors, (138), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 195 [2024-11-22 22:29:57,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:29:57,161 INFO L225 Difference]: With dead ends: 605 [2024-11-22 22:29:57,161 INFO L226 Difference]: Without dead ends: 604 [2024-11-22 22:29:57,162 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 233 GetRequests, 228 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-22 22:29:57,162 INFO L432 NwaCegarLoop]: 216 mSDtfsCounter, 252 mSDsluCounter, 459 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 262 SdHoareTripleChecker+Valid, 675 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:29:57,162 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [262 Valid, 675 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:29:57,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 604 states. [2024-11-22 22:29:57,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 604 to 469. [2024-11-22 22:29:57,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 469 states, 364 states have (on average 1.2994505494505495) internal successors, (473), 438 states have internal predecessors, (473), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-22 22:29:57,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 469 states and 531 transitions. [2024-11-22 22:29:57,177 INFO L78 Accepts]: Start accepts. Automaton has 469 states and 531 transitions. Word has length 195 [2024-11-22 22:29:57,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:29:57,177 INFO L471 AbstractCegarLoop]: Abstraction has 469 states and 531 transitions. [2024-11-22 22:29:57,177 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 34.5) internal successors, (138), 5 states have internal predecessors, (138), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-22 22:29:57,177 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 531 transitions. [2024-11-22 22:29:57,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-11-22 22:29:57,178 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:29:57,179 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:29:57,186 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-11-22 22:29:57,379 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2024-11-22 22:29:57,380 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr83ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-22 22:29:57,380 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:29:57,380 INFO L85 PathProgramCache]: Analyzing trace with hash -808849148, now seen corresponding path program 1 times [2024-11-22 22:29:57,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:29:57,380 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708568015] [2024-11-22 22:29:57,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:29:57,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:29:57,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:29:57,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1028027165] [2024-11-22 22:29:57,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:29:57,400 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:29:57,400 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:29:57,402 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) [2024-11-22 22:29:57,403 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-22 22:29:57,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:29:57,459 INFO L255 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-22 22:29:57,461 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:29:57,991 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-22 22:29:57,991 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:29:58,557 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:29:58,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708568015] [2024-11-22 22:29:58,557 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:29:58,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1028027165] [2024-11-22 22:29:58,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1028027165] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:29:58,558 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:29:58,558 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-22 22:29:58,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [925814846] [2024-11-22 22:29:58,558 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 22:29:58,558 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-22 22:29:58,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:29:58,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-22 22:29:58,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=140, Unknown=0, NotChecked=0, Total=210 [2024-11-22 22:29:58,559 INFO L87 Difference]: Start difference. First operand 469 states and 531 transitions. Second operand has 8 states, 7 states have (on average 20.142857142857142) internal successors, (141), 8 states have internal predecessors, (141), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-22 22:29:59,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:29:59,230 INFO L93 Difference]: Finished difference Result 471 states and 531 transitions. [2024-11-22 22:29:59,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-22 22:29:59,231 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 20.142857142857142) internal successors, (141), 8 states have internal predecessors, (141), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 198 [2024-11-22 22:29:59,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:29:59,232 INFO L225 Difference]: With dead ends: 471 [2024-11-22 22:29:59,232 INFO L226 Difference]: Without dead ends: 435 [2024-11-22 22:29:59,232 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 321 GetRequests, 307 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=80, Invalid=160, Unknown=0, NotChecked=0, Total=240 [2024-11-22 22:29:59,233 INFO L432 NwaCegarLoop]: 172 mSDtfsCounter, 36 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 1588 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 412 SdHoareTripleChecker+Invalid, 1591 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1588 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-22 22:29:59,233 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 412 Invalid, 1591 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1588 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-22 22:29:59,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 435 states. [2024-11-22 22:29:59,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 435 to 435. [2024-11-22 22:29:59,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 435 states, 332 states have (on average 1.322289156626506) internal successors, (439), 406 states have internal predecessors, (439), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-22 22:29:59,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 435 states and 493 transitions. [2024-11-22 22:29:59,247 INFO L78 Accepts]: Start accepts. Automaton has 435 states and 493 transitions. Word has length 198 [2024-11-22 22:29:59,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:29:59,247 INFO L471 AbstractCegarLoop]: Abstraction has 435 states and 493 transitions. [2024-11-22 22:29:59,247 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 20.142857142857142) internal successors, (141), 8 states have internal predecessors, (141), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-22 22:29:59,247 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 493 transitions. [2024-11-22 22:29:59,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2024-11-22 22:29:59,248 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:29:59,248 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 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, 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, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-22 22:29:59,254 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-11-22 22:29:59,452 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,SelfDestructingSolverStorable28 [2024-11-22 22:29:59,453 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-22 22:29:59,453 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:29:59,453 INFO L85 PathProgramCache]: Analyzing trace with hash -1011524977, now seen corresponding path program 2 times [2024-11-22 22:29:59,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:29:59,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [272956299] [2024-11-22 22:29:59,453 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:29:59,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:29:59,479 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 22:29:59,480 INFO L228 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-22 22:29:59,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1021405984] [2024-11-22 22:29:59,480 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:29:59,480 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:29:59,481 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:29:59,484 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) [2024-11-22 22:29:59,485 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-22 22:29:59,544 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 22:29:59,544 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:29:59,546 INFO L255 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-22 22:29:59,548 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:30:00,014 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 0 proven. 109 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-22 22:30:00,014 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:30:00,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:30:00,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [272956299] [2024-11-22 22:30:00,212 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:30:00,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1021405984] [2024-11-22 22:30:00,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1021405984] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:30:00,213 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:30:00,213 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-22 22:30:00,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074983008] [2024-11-22 22:30:00,213 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 22:30:00,213 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-22 22:30:00,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:30:00,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-22 22:30:00,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2024-11-22 22:30:00,214 INFO L87 Difference]: Start difference. First operand 435 states and 493 transitions. Second operand has 9 states, 8 states have (on average 17.5) internal successors, (140), 9 states have internal predecessors, (140), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-22 22:30:00,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:30:00,896 INFO L93 Difference]: Finished difference Result 529 states and 604 transitions. [2024-11-22 22:30:00,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-22 22:30:00,897 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 17.5) internal successors, (140), 9 states have internal predecessors, (140), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 202 [2024-11-22 22:30:00,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:30:00,898 INFO L225 Difference]: With dead ends: 529 [2024-11-22 22:30:00,898 INFO L226 Difference]: Without dead ends: 507 [2024-11-22 22:30:00,899 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 247 GetRequests, 237 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2024-11-22 22:30:00,899 INFO L432 NwaCegarLoop]: 125 mSDtfsCounter, 121 mSDsluCounter, 291 mSDsCounter, 0 mSdLazyCounter, 1643 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 416 SdHoareTripleChecker+Invalid, 1664 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 1643 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-22 22:30:00,899 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 416 Invalid, 1664 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 1643 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-22 22:30:00,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 507 states. [2024-11-22 22:30:00,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 507 to 495. [2024-11-22 22:30:00,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 495 states, 389 states have (on average 1.3084832904884318) internal successors, (509), 463 states have internal predecessors, (509), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-22 22:30:00,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 495 states and 569 transitions. [2024-11-22 22:30:00,915 INFO L78 Accepts]: Start accepts. Automaton has 495 states and 569 transitions. Word has length 202 [2024-11-22 22:30:00,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:30:00,915 INFO L471 AbstractCegarLoop]: Abstraction has 495 states and 569 transitions. [2024-11-22 22:30:00,916 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 17.5) internal successors, (140), 9 states have internal predecessors, (140), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-22 22:30:00,916 INFO L276 IsEmpty]: Start isEmpty. Operand 495 states and 569 transitions. [2024-11-22 22:30:00,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2024-11-22 22:30:00,917 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:30:00,917 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 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, 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, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-22 22:30:00,925 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-11-22 22:30:01,117 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:30:01,118 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-22 22:30:01,118 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:30:01,118 INFO L85 PathProgramCache]: Analyzing trace with hash -1292503122, now seen corresponding path program 2 times [2024-11-22 22:30:01,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:30:01,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [319007687] [2024-11-22 22:30:01,119 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:30:01,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:30:01,137 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 22:30:01,138 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:30:01,263 INFO L134 CoverageAnalysis]: Checked inductivity of 423 backedges. 0 proven. 111 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-22 22:30:01,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:30:01,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [319007687] [2024-11-22 22:30:01,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [319007687] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:30:01,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [143562088] [2024-11-22 22:30:01,264 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:30:01,264 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:30:01,264 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:30:01,266 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) [2024-11-22 22:30:01,267 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-22 22:30:01,333 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 22:30:01,333 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:30:01,334 INFO L255 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-22 22:30:01,336 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:30:01,656 INFO L134 CoverageAnalysis]: Checked inductivity of 423 backedges. 0 proven. 111 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-22 22:30:01,656 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:30:01,845 INFO L134 CoverageAnalysis]: Checked inductivity of 423 backedges. 0 proven. 111 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-22 22:30:01,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [143562088] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:30:01,845 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:30:01,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 12 [2024-11-22 22:30:01,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [591599897] [2024-11-22 22:30:01,845 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:30:01,850 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-22 22:30:01,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:30:01,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-22 22:30:01,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2024-11-22 22:30:01,851 INFO L87 Difference]: Start difference. First operand 495 states and 569 transitions. Second operand has 13 states, 12 states have (on average 32.083333333333336) internal successors, (385), 13 states have internal predecessors, (385), 8 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 8 states have call predecessors, (36), 8 states have call successors, (36) [2024-11-22 22:30:02,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:30:02,778 INFO L93 Difference]: Finished difference Result 495 states and 569 transitions. [2024-11-22 22:30:02,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-22 22:30:02,779 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 32.083333333333336) internal successors, (385), 13 states have internal predecessors, (385), 8 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 8 states have call predecessors, (36), 8 states have call successors, (36) Word has length 203 [2024-11-22 22:30:02,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:30:02,780 INFO L225 Difference]: With dead ends: 495 [2024-11-22 22:30:02,780 INFO L226 Difference]: Without dead ends: 491 [2024-11-22 22:30:02,781 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 414 GetRequests, 398 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=95, Invalid=211, Unknown=0, NotChecked=0, Total=306 [2024-11-22 22:30:02,781 INFO L432 NwaCegarLoop]: 124 mSDtfsCounter, 721 mSDsluCounter, 400 mSDsCounter, 0 mSdLazyCounter, 1194 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 721 SdHoareTripleChecker+Valid, 524 SdHoareTripleChecker+Invalid, 1245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 1194 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-22 22:30:02,781 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [721 Valid, 524 Invalid, 1245 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 1194 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-22 22:30:02,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 491 states. [2024-11-22 22:30:02,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 491 to 491. [2024-11-22 22:30:02,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 491 states, 389 states have (on average 1.287917737789203) internal successors, (501), 459 states have internal predecessors, (501), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-22 22:30:02,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 491 states and 561 transitions. [2024-11-22 22:30:02,798 INFO L78 Accepts]: Start accepts. Automaton has 491 states and 561 transitions. Word has length 203 [2024-11-22 22:30:02,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:30:02,798 INFO L471 AbstractCegarLoop]: Abstraction has 491 states and 561 transitions. [2024-11-22 22:30:02,798 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 32.083333333333336) internal successors, (385), 13 states have internal predecessors, (385), 8 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 8 states have call predecessors, (36), 8 states have call successors, (36) [2024-11-22 22:30:02,798 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 561 transitions. [2024-11-22 22:30:02,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-11-22 22:30:02,799 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:30:02,799 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 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, 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, 2, 2, 1, 1, 1, 1, 1] [2024-11-22 22:30:02,806 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-11-22 22:30:02,999 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:30:03,000 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-22 22:30:03,000 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:30:03,000 INFO L85 PathProgramCache]: Analyzing trace with hash -1412891023, now seen corresponding path program 2 times [2024-11-22 22:30:03,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:30:03,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326750249] [2024-11-22 22:30:03,000 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:30:03,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:30:03,018 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 22:30:03,018 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:30:03,136 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 0 proven. 113 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-22 22:30:03,137 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:30:03,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [326750249] [2024-11-22 22:30:03,137 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [326750249] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:30:03,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1806695645] [2024-11-22 22:30:03,137 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:30:03,137 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:30:03,137 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:30:03,139 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) [2024-11-22 22:30:03,142 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-22 22:30:03,192 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 22:30:03,193 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:30:03,194 INFO L255 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-22 22:30:03,195 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:30:03,544 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 0 proven. 113 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-22 22:30:03,545 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:30:03,722 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 0 proven. 113 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-22 22:30:03,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1806695645] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:30:03,722 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:30:03,723 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 12 [2024-11-22 22:30:03,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318814883] [2024-11-22 22:30:03,723 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:30:03,723 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-22 22:30:03,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:30:03,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-22 22:30:03,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2024-11-22 22:30:03,724 INFO L87 Difference]: Start difference. First operand 491 states and 561 transitions. Second operand has 13 states, 12 states have (on average 32.25) internal successors, (387), 13 states have internal predecessors, (387), 8 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 8 states have call predecessors, (36), 8 states have call successors, (36) [2024-11-22 22:30:04,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:30:04,300 INFO L93 Difference]: Finished difference Result 544 states and 609 transitions. [2024-11-22 22:30:04,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-22 22:30:04,301 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 32.25) internal successors, (387), 13 states have internal predecessors, (387), 8 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 8 states have call predecessors, (36), 8 states have call successors, (36) Word has length 204 [2024-11-22 22:30:04,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:30:04,302 INFO L225 Difference]: With dead ends: 544 [2024-11-22 22:30:04,302 INFO L226 Difference]: Without dead ends: 542 [2024-11-22 22:30:04,303 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 415 GetRequests, 400 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=103, Invalid=169, Unknown=0, NotChecked=0, Total=272 [2024-11-22 22:30:04,303 INFO L432 NwaCegarLoop]: 99 mSDtfsCounter, 501 mSDsluCounter, 438 mSDsCounter, 0 mSdLazyCounter, 997 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 508 SdHoareTripleChecker+Valid, 537 SdHoareTripleChecker+Invalid, 1024 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 997 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-22 22:30:04,303 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [508 Valid, 537 Invalid, 1024 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 997 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-22 22:30:04,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 542 states. [2024-11-22 22:30:04,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 542 to 519. [2024-11-22 22:30:04,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 519 states, 414 states have (on average 1.2729468599033817) internal successors, (527), 484 states have internal predecessors, (527), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-11-22 22:30:04,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 519 states and 593 transitions. [2024-11-22 22:30:04,325 INFO L78 Accepts]: Start accepts. Automaton has 519 states and 593 transitions. Word has length 204 [2024-11-22 22:30:04,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:30:04,327 INFO L471 AbstractCegarLoop]: Abstraction has 519 states and 593 transitions. [2024-11-22 22:30:04,327 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 32.25) internal successors, (387), 13 states have internal predecessors, (387), 8 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 8 states have call predecessors, (36), 8 states have call successors, (36) [2024-11-22 22:30:04,328 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 593 transitions. [2024-11-22 22:30:04,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2024-11-22 22:30:04,328 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:30:04,328 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 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, 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] [2024-11-22 22:30:04,335 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2024-11-22 22:30:04,529 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:30:04,529 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-22 22:30:04,529 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:30:04,529 INFO L85 PathProgramCache]: Analyzing trace with hash -578604461, now seen corresponding path program 1 times [2024-11-22 22:30:04,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:30:04,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812186946] [2024-11-22 22:30:04,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:30:04,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:30:04,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:30:04,669 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-22 22:30:04,670 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:30:04,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812186946] [2024-11-22 22:30:04,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1812186946] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:30:04,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1523128847] [2024-11-22 22:30:04,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:30:04,670 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:30:04,670 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:30:04,672 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) [2024-11-22 22:30:04,673 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-22 22:30:04,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:30:04,738 INFO L255 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-22 22:30:04,739 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:30:05,095 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-22 22:30:05,095 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:30:05,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1523128847] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:30:05,145 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-22 22:30:05,145 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2024-11-22 22:30:05,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260499375] [2024-11-22 22:30:05,145 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-22 22:30:05,145 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-22 22:30:05,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:30:05,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-22 22:30:05,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2024-11-22 22:30:05,146 INFO L87 Difference]: Start difference. First operand 519 states and 593 transitions. Second operand has 11 states, 10 states have (on average 25.8) internal successors, (258), 11 states have internal predecessors, (258), 5 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 5 states have call predecessors, (23), 5 states have call successors, (23) [2024-11-22 22:30:07,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:30:07,234 INFO L93 Difference]: Finished difference Result 519 states and 593 transitions. [2024-11-22 22:30:07,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-22 22:30:07,235 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 25.8) internal successors, (258), 11 states have internal predecessors, (258), 5 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 5 states have call predecessors, (23), 5 states have call successors, (23) Word has length 206 [2024-11-22 22:30:07,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:30:07,236 INFO L225 Difference]: With dead ends: 519 [2024-11-22 22:30:07,236 INFO L226 Difference]: Without dead ends: 507 [2024-11-22 22:30:07,237 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 226 GetRequests, 207 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=112, Invalid=308, Unknown=0, NotChecked=0, Total=420 [2024-11-22 22:30:07,237 INFO L432 NwaCegarLoop]: 124 mSDtfsCounter, 457 mSDsluCounter, 583 mSDsCounter, 0 mSdLazyCounter, 1453 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 457 SdHoareTripleChecker+Valid, 707 SdHoareTripleChecker+Invalid, 1499 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 1453 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:30:07,237 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [457 Valid, 707 Invalid, 1499 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 1453 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-22 22:30:07,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 507 states. [2024-11-22 22:30:07,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 507 to 507. [2024-11-22 22:30:07,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 507 states, 414 states have (on average 1.2367149758454106) internal successors, (512), 472 states have internal predecessors, (512), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-11-22 22:30:07,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 507 states and 578 transitions. [2024-11-22 22:30:07,253 INFO L78 Accepts]: Start accepts. Automaton has 507 states and 578 transitions. Word has length 206 [2024-11-22 22:30:07,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:30:07,254 INFO L471 AbstractCegarLoop]: Abstraction has 507 states and 578 transitions. [2024-11-22 22:30:07,254 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 25.8) internal successors, (258), 11 states have internal predecessors, (258), 5 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 5 states have call predecessors, (23), 5 states have call successors, (23) [2024-11-22 22:30:07,254 INFO L276 IsEmpty]: Start isEmpty. Operand 507 states and 578 transitions. [2024-11-22 22:30:07,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2024-11-22 22:30:07,255 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:30:07,255 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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] [2024-11-22 22:30:07,261 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2024-11-22 22:30:07,455 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,SelfDestructingSolverStorable32 [2024-11-22 22:30:07,456 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-22 22:30:07,456 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:30:07,456 INFO L85 PathProgramCache]: Analyzing trace with hash -1501638444, now seen corresponding path program 1 times [2024-11-22 22:30:07,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:30:07,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863855328] [2024-11-22 22:30:07,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:30:07,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:30:07,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:30:07,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [882469764] [2024-11-22 22:30:07,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:30:07,487 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:30:07,488 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:30:07,492 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) [2024-11-22 22:30:07,495 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-22 22:30:07,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:30:07,570 INFO L255 TraceCheckSpWp]: Trace formula consists of 309 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-22 22:30:07,573 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:30:08,017 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 123 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-22 22:30:08,017 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:30:08,328 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 123 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-22 22:30:08,328 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:30:08,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [863855328] [2024-11-22 22:30:08,328 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:30:08,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [882469764] [2024-11-22 22:30:08,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [882469764] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:30:08,328 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-22 22:30:08,328 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2024-11-22 22:30:08,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986711749] [2024-11-22 22:30:08,328 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-22 22:30:08,329 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-22 22:30:08,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:30:08,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-22 22:30:08,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=162, Unknown=0, NotChecked=0, Total=240 [2024-11-22 22:30:08,330 INFO L87 Difference]: Start difference. First operand 507 states and 578 transitions. Second operand has 16 states, 15 states have (on average 19.2) internal successors, (288), 16 states have internal predecessors, (288), 6 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 6 states have call predecessors, (26), 6 states have call successors, (26) [2024-11-22 22:30:11,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:30:11,189 INFO L93 Difference]: Finished difference Result 807 states and 975 transitions. [2024-11-22 22:30:11,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-22 22:30:11,189 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 19.2) internal successors, (288), 16 states have internal predecessors, (288), 6 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 6 states have call predecessors, (26), 6 states have call successors, (26) Word has length 209 [2024-11-22 22:30:11,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:30:11,194 INFO L225 Difference]: With dead ends: 807 [2024-11-22 22:30:11,194 INFO L226 Difference]: Without dead ends: 723 [2024-11-22 22:30:11,194 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 423 GetRequests, 402 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=179, Invalid=327, Unknown=0, NotChecked=0, Total=506 [2024-11-22 22:30:11,195 INFO L432 NwaCegarLoop]: 125 mSDtfsCounter, 1487 mSDsluCounter, 928 mSDsCounter, 0 mSdLazyCounter, 2682 mSolverCounterSat, 126 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1501 SdHoareTripleChecker+Valid, 1053 SdHoareTripleChecker+Invalid, 2808 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 126 IncrementalHoareTripleChecker+Valid, 2682 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-11-22 22:30:11,195 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1501 Valid, 1053 Invalid, 2808 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [126 Valid, 2682 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-11-22 22:30:11,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 723 states. [2024-11-22 22:30:11,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 723 to 525. [2024-11-22 22:30:11,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 525 states, 431 states have (on average 1.2134570765661252) internal successors, (523), 488 states have internal predecessors, (523), 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) [2024-11-22 22:30:11,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 525 states and 593 transitions. [2024-11-22 22:30:11,219 INFO L78 Accepts]: Start accepts. Automaton has 525 states and 593 transitions. Word has length 209 [2024-11-22 22:30:11,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:30:11,219 INFO L471 AbstractCegarLoop]: Abstraction has 525 states and 593 transitions. [2024-11-22 22:30:11,220 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 19.2) internal successors, (288), 16 states have internal predecessors, (288), 6 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 6 states have call predecessors, (26), 6 states have call successors, (26) [2024-11-22 22:30:11,220 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 593 transitions. [2024-11-22 22:30:11,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2024-11-22 22:30:11,221 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:30:11,221 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-11-22 22:30:11,228 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2024-11-22 22:30:11,421 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,SelfDestructingSolverStorable33 [2024-11-22 22:30:11,422 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr60ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-22 22:30:11,422 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:30:11,422 INFO L85 PathProgramCache]: Analyzing trace with hash -5271790, now seen corresponding path program 2 times [2024-11-22 22:30:11,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:30:11,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831918484] [2024-11-22 22:30:11,422 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:30:11,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:30:11,458 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 22:30:11,458 INFO L228 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-22 22:30:11,459 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [268000960] [2024-11-22 22:30:11,459 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:30:11,459 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:30:11,459 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:30:11,460 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) [2024-11-22 22:30:11,461 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-11-22 22:30:11,527 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 22:30:11,527 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:30:11,528 INFO L255 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-22 22:30:11,530 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:30:12,036 INFO L134 CoverageAnalysis]: Checked inductivity of 647 backedges. 0 proven. 167 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-22 22:30:12,036 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:30:12,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:30:12,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [831918484] [2024-11-22 22:30:12,547 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:30:12,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [268000960] [2024-11-22 22:30:12,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [268000960] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:30:12,547 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:30:12,548 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-22 22:30:12,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011953397] [2024-11-22 22:30:12,548 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 22:30:12,548 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-22 22:30:12,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:30:12,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-22 22:30:12,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2024-11-22 22:30:12,549 INFO L87 Difference]: Start difference. First operand 525 states and 593 transitions. Second operand has 8 states, 7 states have (on average 24.857142857142858) internal successors, (174), 8 states have internal predecessors, (174), 3 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2024-11-22 22:30:13,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:30:13,341 INFO L93 Difference]: Finished difference Result 525 states and 593 transitions. [2024-11-22 22:30:13,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-22 22:30:13,342 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 24.857142857142858) internal successors, (174), 8 states have internal predecessors, (174), 3 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 251 [2024-11-22 22:30:13,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:30:13,343 INFO L225 Difference]: With dead ends: 525 [2024-11-22 22:30:13,343 INFO L226 Difference]: Without dead ends: 524 [2024-11-22 22:30:13,344 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 351 GetRequests, 336 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=90, Invalid=182, Unknown=0, NotChecked=0, Total=272 [2024-11-22 22:30:13,344 INFO L432 NwaCegarLoop]: 50 mSDtfsCounter, 552 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 1105 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 552 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 1147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 1105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-22 22:30:13,344 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [552 Valid, 159 Invalid, 1147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 1105 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-22 22:30:13,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 524 states. [2024-11-22 22:30:13,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 524 to 524. [2024-11-22 22:30:13,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 524 states, 431 states have (on average 1.208816705336427) internal successors, (521), 487 states have internal predecessors, (521), 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) [2024-11-22 22:30:13,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 524 states and 591 transitions. [2024-11-22 22:30:13,363 INFO L78 Accepts]: Start accepts. Automaton has 524 states and 591 transitions. Word has length 251 [2024-11-22 22:30:13,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:30:13,363 INFO L471 AbstractCegarLoop]: Abstraction has 524 states and 591 transitions. [2024-11-22 22:30:13,364 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 24.857142857142858) internal successors, (174), 8 states have internal predecessors, (174), 3 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2024-11-22 22:30:13,364 INFO L276 IsEmpty]: Start isEmpty. Operand 524 states and 591 transitions. [2024-11-22 22:30:13,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2024-11-22 22:30:13,364 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:30:13,364 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:30:13,371 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2024-11-22 22:30:13,565 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:30:13,565 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr61ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-22 22:30:13,565 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:30:13,566 INFO L85 PathProgramCache]: Analyzing trace with hash -163425304, now seen corresponding path program 1 times [2024-11-22 22:30:13,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:30:13,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067623883] [2024-11-22 22:30:13,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:30:13,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:30:13,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:30:13,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1663785665] [2024-11-22 22:30:13,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:30:13,592 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:30:13,592 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:30:13,594 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) [2024-11-22 22:30:13,595 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-11-22 22:30:13,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:30:13,656 INFO L255 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-22 22:30:13,658 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:30:13,889 INFO L134 CoverageAnalysis]: Checked inductivity of 647 backedges. 0 proven. 167 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-22 22:30:13,890 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:30:14,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:30:14,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067623883] [2024-11-22 22:30:14,185 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:30:14,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1663785665] [2024-11-22 22:30:14,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1663785665] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:30:14,185 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:30:14,185 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-22 22:30:14,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619903481] [2024-11-22 22:30:14,186 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 22:30:14,186 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-22 22:30:14,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:30:14,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-22 22:30:14,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-11-22 22:30:14,186 INFO L87 Difference]: Start difference. First operand 524 states and 591 transitions. Second operand has 8 states, 7 states have (on average 25.0) internal successors, (175), 8 states have internal predecessors, (175), 5 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) [2024-11-22 22:30:14,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:30:14,598 INFO L93 Difference]: Finished difference Result 525 states and 591 transitions. [2024-11-22 22:30:14,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-22 22:30:14,598 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 25.0) internal successors, (175), 8 states have internal predecessors, (175), 5 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) Word has length 252 [2024-11-22 22:30:14,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:30:14,600 INFO L225 Difference]: With dead ends: 525 [2024-11-22 22:30:14,600 INFO L226 Difference]: Without dead ends: 524 [2024-11-22 22:30:14,600 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 305 GetRequests, 295 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2024-11-22 22:30:14,600 INFO L432 NwaCegarLoop]: 242 mSDtfsCounter, 58 mSDsluCounter, 1085 mSDsCounter, 0 mSdLazyCounter, 913 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 1327 SdHoareTripleChecker+Invalid, 916 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 913 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-22 22:30:14,600 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 1327 Invalid, 916 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 913 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-22 22:30:14,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 524 states. [2024-11-22 22:30:14,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 524 to 524. [2024-11-22 22:30:14,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 524 states, 431 states have (on average 1.2064965197215778) internal successors, (520), 487 states have internal predecessors, (520), 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) [2024-11-22 22:30:14,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 524 states and 590 transitions. [2024-11-22 22:30:14,619 INFO L78 Accepts]: Start accepts. Automaton has 524 states and 590 transitions. Word has length 252 [2024-11-22 22:30:14,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:30:14,620 INFO L471 AbstractCegarLoop]: Abstraction has 524 states and 590 transitions. [2024-11-22 22:30:14,620 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 25.0) internal successors, (175), 8 states have internal predecessors, (175), 5 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) [2024-11-22 22:30:14,620 INFO L276 IsEmpty]: Start isEmpty. Operand 524 states and 590 transitions. [2024-11-22 22:30:14,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2024-11-22 22:30:14,621 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:30:14,621 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1] [2024-11-22 22:30:14,627 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2024-11-22 22:30:14,821 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:30:14,821 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr64ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-22 22:30:14,822 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:30:14,822 INFO L85 PathProgramCache]: Analyzing trace with hash 1889868950, now seen corresponding path program 2 times [2024-11-22 22:30:14,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:30:14,822 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1021767051] [2024-11-22 22:30:14,822 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:30:14,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:30:14,845 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 22:30:14,847 INFO L228 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-22 22:30:14,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1774094100] [2024-11-22 22:30:14,848 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:30:14,848 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:30:14,848 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:30:14,851 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) [2024-11-22 22:30:14,852 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-11-22 22:30:14,918 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 22:30:14,918 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:30:14,919 INFO L255 TraceCheckSpWp]: Trace formula consists of 367 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-22 22:30:14,922 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:30:15,482 INFO L134 CoverageAnalysis]: Checked inductivity of 647 backedges. 0 proven. 167 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-22 22:30:15,482 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:30:15,609 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:30:15,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1021767051] [2024-11-22 22:30:15,609 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:30:15,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1774094100] [2024-11-22 22:30:15,609 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1774094100] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:30:15,609 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:30:15,609 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-22 22:30:15,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979633870] [2024-11-22 22:30:15,609 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 22:30:15,610 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-22 22:30:15,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:30:15,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-22 22:30:15,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-11-22 22:30:15,610 INFO L87 Difference]: Start difference. First operand 524 states and 590 transitions. Second operand has 9 states, 8 states have (on average 22.25) internal successors, (178), 9 states have internal predecessors, (178), 3 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2024-11-22 22:30:16,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:30:16,925 INFO L93 Difference]: Finished difference Result 524 states and 590 transitions. [2024-11-22 22:30:16,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-22 22:30:16,926 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 22.25) internal successors, (178), 9 states have internal predecessors, (178), 3 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 255 [2024-11-22 22:30:16,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:30:16,927 INFO L225 Difference]: With dead ends: 524 [2024-11-22 22:30:16,927 INFO L226 Difference]: Without dead ends: 522 [2024-11-22 22:30:16,927 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 269 GetRequests, 253 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=93, Invalid=213, Unknown=0, NotChecked=0, Total=306 [2024-11-22 22:30:16,928 INFO L432 NwaCegarLoop]: 50 mSDtfsCounter, 540 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 1298 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 540 SdHoareTripleChecker+Valid, 210 SdHoareTripleChecker+Invalid, 1338 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 1298 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:30:16,928 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [540 Valid, 210 Invalid, 1338 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 1298 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-22 22:30:16,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 522 states. [2024-11-22 22:30:16,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 522 to 522. [2024-11-22 22:30:16,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 522 states, 431 states have (on average 1.197215777262181) internal successors, (516), 485 states have internal predecessors, (516), 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) [2024-11-22 22:30:16,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 522 states and 586 transitions. [2024-11-22 22:30:16,946 INFO L78 Accepts]: Start accepts. Automaton has 522 states and 586 transitions. Word has length 255 [2024-11-22 22:30:16,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:30:16,946 INFO L471 AbstractCegarLoop]: Abstraction has 522 states and 586 transitions. [2024-11-22 22:30:16,946 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 22.25) internal successors, (178), 9 states have internal predecessors, (178), 3 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2024-11-22 22:30:16,946 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 586 transitions. [2024-11-22 22:30:16,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2024-11-22 22:30:16,947 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:30:16,947 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1] [2024-11-22 22:30:16,953 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2024-11-22 22:30:17,147 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,SelfDestructingSolverStorable36 [2024-11-22 22:30:17,148 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr65ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-22 22:30:17,148 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:30:17,148 INFO L85 PathProgramCache]: Analyzing trace with hash -1543604500, now seen corresponding path program 1 times [2024-11-22 22:30:17,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:30:17,148 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [896112421] [2024-11-22 22:30:17,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:30:17,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:30:17,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:30:17,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [730500449] [2024-11-22 22:30:17,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:30:17,168 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:30:17,168 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:30:17,170 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) [2024-11-22 22:30:17,172 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-11-22 22:30:17,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:30:17,230 INFO L255 TraceCheckSpWp]: Trace formula consists of 368 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-22 22:30:17,232 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:30:17,972 INFO L134 CoverageAnalysis]: Checked inductivity of 647 backedges. 0 proven. 167 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-22 22:30:17,972 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:30:18,068 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:30:18,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [896112421] [2024-11-22 22:30:18,069 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:30:18,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [730500449] [2024-11-22 22:30:18,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [730500449] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:30:18,069 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:30:18,069 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-22 22:30:18,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617203625] [2024-11-22 22:30:18,069 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 22:30:18,069 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-22 22:30:18,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:30:18,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-22 22:30:18,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2024-11-22 22:30:18,070 INFO L87 Difference]: Start difference. First operand 522 states and 586 transitions. Second operand has 11 states, 10 states have (on average 17.9) internal successors, (179), 11 states have internal predecessors, (179), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2024-11-22 22:30:18,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:30:18,892 INFO L93 Difference]: Finished difference Result 525 states and 586 transitions. [2024-11-22 22:30:18,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-22 22:30:18,893 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 17.9) internal successors, (179), 11 states have internal predecessors, (179), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) Word has length 256 [2024-11-22 22:30:18,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:30:18,895 INFO L225 Difference]: With dead ends: 525 [2024-11-22 22:30:18,895 INFO L226 Difference]: Without dead ends: 522 [2024-11-22 22:30:18,895 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 275 GetRequests, 263 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2024-11-22 22:30:18,895 INFO L432 NwaCegarLoop]: 159 mSDtfsCounter, 54 mSDsluCounter, 320 mSDsCounter, 0 mSdLazyCounter, 2423 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 479 SdHoareTripleChecker+Invalid, 2428 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 2423 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-22 22:30:18,895 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 479 Invalid, 2428 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 2423 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-22 22:30:18,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 522 states. [2024-11-22 22:30:18,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 522 to 522. [2024-11-22 22:30:18,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 522 states, 431 states have (on average 1.1902552204176333) internal successors, (513), 485 states have internal predecessors, (513), 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) [2024-11-22 22:30:18,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 522 states and 583 transitions. [2024-11-22 22:30:18,919 INFO L78 Accepts]: Start accepts. Automaton has 522 states and 583 transitions. Word has length 256 [2024-11-22 22:30:18,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:30:18,919 INFO L471 AbstractCegarLoop]: Abstraction has 522 states and 583 transitions. [2024-11-22 22:30:18,919 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 17.9) internal successors, (179), 11 states have internal predecessors, (179), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2024-11-22 22:30:18,920 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 583 transitions. [2024-11-22 22:30:18,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2024-11-22 22:30:18,920 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:30:18,921 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-11-22 22:30:18,927 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2024-11-22 22:30:19,121 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,SelfDestructingSolverStorable37 [2024-11-22 22:30:19,121 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-22 22:30:19,121 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:30:19,121 INFO L85 PathProgramCache]: Analyzing trace with hash -1042523888, now seen corresponding path program 1 times [2024-11-22 22:30:19,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:30:19,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232342293] [2024-11-22 22:30:19,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:30:19,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:30:19,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:30:19,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1125627054] [2024-11-22 22:30:19,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:30:19,142 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:30:19,142 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:30:19,143 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) [2024-11-22 22:30:19,144 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-11-22 22:30:19,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:30:19,212 INFO L255 TraceCheckSpWp]: Trace formula consists of 385 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-22 22:30:19,214 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:30:19,355 INFO L134 CoverageAnalysis]: Checked inductivity of 705 backedges. 0 proven. 225 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-22 22:30:19,355 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:30:19,611 INFO L134 CoverageAnalysis]: Checked inductivity of 705 backedges. 0 proven. 225 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-22 22:30:19,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:30:19,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [232342293] [2024-11-22 22:30:19,612 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:30:19,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1125627054] [2024-11-22 22:30:19,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1125627054] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:30:19,612 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-22 22:30:19,612 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2024-11-22 22:30:19,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090368206] [2024-11-22 22:30:19,612 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-22 22:30:19,612 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-22 22:30:19,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:30:19,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-22 22:30:19,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-22 22:30:19,613 INFO L87 Difference]: Start difference. First operand 522 states and 583 transitions. Second operand has 10 states, 9 states have (on average 41.111111111111114) internal successors, (370), 10 states have internal predecessors, (370), 8 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 8 states have call predecessors, (32), 8 states have call successors, (32) [2024-11-22 22:30:19,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:30:19,864 INFO L93 Difference]: Finished difference Result 667 states and 712 transitions. [2024-11-22 22:30:19,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-22 22:30:19,864 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 41.111111111111114) internal successors, (370), 10 states have internal predecessors, (370), 8 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 8 states have call predecessors, (32), 8 states have call successors, (32) Word has length 265 [2024-11-22 22:30:19,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:30:19,866 INFO L225 Difference]: With dead ends: 667 [2024-11-22 22:30:19,866 INFO L226 Difference]: Without dead ends: 665 [2024-11-22 22:30:19,866 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 530 GetRequests, 520 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2024-11-22 22:30:19,867 INFO L432 NwaCegarLoop]: 358 mSDtfsCounter, 808 mSDsluCounter, 1224 mSDsCounter, 0 mSdLazyCounter, 499 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 819 SdHoareTripleChecker+Valid, 1582 SdHoareTripleChecker+Invalid, 527 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 499 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:30:19,867 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [819 Valid, 1582 Invalid, 527 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 499 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 22:30:19,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 665 states. [2024-11-22 22:30:19,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 665 to 521. [2024-11-22 22:30:19,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 521 states, 431 states have (on average 1.1809744779582367) internal successors, (509), 484 states have internal predecessors, (509), 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) [2024-11-22 22:30:19,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 521 states and 579 transitions. [2024-11-22 22:30:19,888 INFO L78 Accepts]: Start accepts. Automaton has 521 states and 579 transitions. Word has length 265 [2024-11-22 22:30:19,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:30:19,889 INFO L471 AbstractCegarLoop]: Abstraction has 521 states and 579 transitions. [2024-11-22 22:30:19,889 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 41.111111111111114) internal successors, (370), 10 states have internal predecessors, (370), 8 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 8 states have call predecessors, (32), 8 states have call successors, (32) [2024-11-22 22:30:19,889 INFO L276 IsEmpty]: Start isEmpty. Operand 521 states and 579 transitions. [2024-11-22 22:30:19,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2024-11-22 22:30:19,890 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:30:19,890 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:30:19,896 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2024-11-22 22:30:20,090 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,SelfDestructingSolverStorable38 [2024-11-22 22:30:20,091 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr82ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-22 22:30:20,091 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:30:20,091 INFO L85 PathProgramCache]: Analyzing trace with hash -1193088322, now seen corresponding path program 1 times [2024-11-22 22:30:20,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:30:20,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690941493] [2024-11-22 22:30:20,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:30:20,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:30:20,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:30:20,217 INFO L134 CoverageAnalysis]: Checked inductivity of 711 backedges. 167 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-22 22:30:20,217 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:30:20,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690941493] [2024-11-22 22:30:20,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1690941493] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:30:20,217 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:30:20,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 22:30:20,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273959755] [2024-11-22 22:30:20,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:30:20,217 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 22:30:20,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:30:20,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 22:30:20,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-22 22:30:20,218 INFO L87 Difference]: Start difference. First operand 521 states and 579 transitions. Second operand has 6 states, 5 states have (on average 39.2) internal successors, (196), 6 states have internal predecessors, (196), 3 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2024-11-22 22:30:20,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:30:20,598 INFO L93 Difference]: Finished difference Result 521 states and 579 transitions. [2024-11-22 22:30:20,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-22 22:30:20,599 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 39.2) internal successors, (196), 6 states have internal predecessors, (196), 3 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 278 [2024-11-22 22:30:20,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:30:20,601 INFO L225 Difference]: With dead ends: 521 [2024-11-22 22:30:20,601 INFO L226 Difference]: Without dead ends: 519 [2024-11-22 22:30:20,601 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-22 22:30:20,601 INFO L432 NwaCegarLoop]: 157 mSDtfsCounter, 185 mSDsluCounter, 205 mSDsCounter, 0 mSdLazyCounter, 538 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 185 SdHoareTripleChecker+Valid, 362 SdHoareTripleChecker+Invalid, 551 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 538 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-22 22:30:20,602 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [185 Valid, 362 Invalid, 551 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 538 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-22 22:30:20,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 519 states. [2024-11-22 22:30:20,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 519 to 519. [2024-11-22 22:30:20,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 519 states, 431 states have (on average 1.17169373549884) internal successors, (505), 482 states have internal predecessors, (505), 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) [2024-11-22 22:30:20,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 519 states and 575 transitions. [2024-11-22 22:30:20,622 INFO L78 Accepts]: Start accepts. Automaton has 519 states and 575 transitions. Word has length 278 [2024-11-22 22:30:20,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:30:20,622 INFO L471 AbstractCegarLoop]: Abstraction has 519 states and 575 transitions. [2024-11-22 22:30:20,622 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 39.2) internal successors, (196), 6 states have internal predecessors, (196), 3 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2024-11-22 22:30:20,622 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 575 transitions. [2024-11-22 22:30:20,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2024-11-22 22:30:20,623 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:30:20,623 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:30:20,623 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2024-11-22 22:30:20,623 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr83ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-22 22:30:20,624 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:30:20,624 INFO L85 PathProgramCache]: Analyzing trace with hash 1668967913, now seen corresponding path program 2 times [2024-11-22 22:30:20,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:30:20,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323101777] [2024-11-22 22:30:20,624 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:30:20,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:30:20,644 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 22:30:20,645 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:30:20,832 INFO L134 CoverageAnalysis]: Checked inductivity of 711 backedges. 0 proven. 167 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-22 22:30:20,833 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:30:20,833 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1323101777] [2024-11-22 22:30:20,833 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1323101777] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:30:20,833 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [955582275] [2024-11-22 22:30:20,833 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:30:20,833 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:30:20,833 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:30:20,834 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) [2024-11-22 22:30:20,837 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-11-22 22:30:20,897 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 22:30:20,897 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:30:20,898 INFO L255 TraceCheckSpWp]: Trace formula consists of 395 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-22 22:30:20,900 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:30:21,387 INFO L134 CoverageAnalysis]: Checked inductivity of 711 backedges. 0 proven. 167 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-22 22:30:21,388 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:30:22,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [955582275] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:30:22,190 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-22 22:30:22,190 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2024-11-22 22:30:22,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151132887] [2024-11-22 22:30:22,190 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-22 22:30:22,190 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-22 22:30:22,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:30:22,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-22 22:30:22,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=353, Unknown=0, NotChecked=0, Total=420 [2024-11-22 22:30:22,191 INFO L87 Difference]: Start difference. First operand 519 states and 575 transitions. Second operand has 16 states, 15 states have (on average 25.866666666666667) internal successors, (388), 16 states have internal predecessors, (388), 6 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 6 states have call predecessors, (34), 6 states have call successors, (34) [2024-11-22 22:30:24,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:30:24,426 INFO L93 Difference]: Finished difference Result 519 states and 575 transitions. [2024-11-22 22:30:24,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-22 22:30:24,427 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 25.866666666666667) internal successors, (388), 16 states have internal predecessors, (388), 6 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 6 states have call predecessors, (34), 6 states have call successors, (34) Word has length 279 [2024-11-22 22:30:24,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:30:24,428 INFO L225 Difference]: With dead ends: 519 [2024-11-22 22:30:24,428 INFO L226 Difference]: Without dead ends: 483 [2024-11-22 22:30:24,428 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 419 GetRequests, 390 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 166 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=188, Invalid=742, Unknown=0, NotChecked=0, Total=930 [2024-11-22 22:30:24,429 INFO L432 NwaCegarLoop]: 65 mSDtfsCounter, 606 mSDsluCounter, 380 mSDsCounter, 0 mSdLazyCounter, 2349 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 606 SdHoareTripleChecker+Valid, 445 SdHoareTripleChecker+Invalid, 2397 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 2349 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:30:24,429 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [606 Valid, 445 Invalid, 2397 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 2349 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-22 22:30:24,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 483 states. [2024-11-22 22:30:24,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 483 to 483. [2024-11-22 22:30:24,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 483 states, 399 states have (on average 1.1754385964912282) internal successors, (469), 448 states have internal predecessors, (469), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-11-22 22:30:24,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 483 states and 535 transitions. [2024-11-22 22:30:24,448 INFO L78 Accepts]: Start accepts. Automaton has 483 states and 535 transitions. Word has length 279 [2024-11-22 22:30:24,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:30:24,448 INFO L471 AbstractCegarLoop]: Abstraction has 483 states and 535 transitions. [2024-11-22 22:30:24,448 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 25.866666666666667) internal successors, (388), 16 states have internal predecessors, (388), 6 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 6 states have call predecessors, (34), 6 states have call successors, (34) [2024-11-22 22:30:24,448 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 535 transitions. [2024-11-22 22:30:24,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2024-11-22 22:30:24,449 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:30:24,449 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 3, 3, 3, 3, 3, 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] [2024-11-22 22:30:24,455 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2024-11-22 22:30:24,649 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:30:24,650 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-22 22:30:24,650 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:30:24,650 INFO L85 PathProgramCache]: Analyzing trace with hash -547169036, now seen corresponding path program 3 times [2024-11-22 22:30:24,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:30:24,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [960108734] [2024-11-22 22:30:24,650 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-22 22:30:24,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:30:24,679 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2024-11-22 22:30:24,679 INFO L228 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-22 22:30:24,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [837103633] [2024-11-22 22:30:24,680 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-22 22:30:24,680 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:30:24,680 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:30:24,682 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) [2024-11-22 22:30:24,683 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-11-22 22:30:24,735 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-22 22:30:24,735 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:30:24,736 INFO L255 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-22 22:30:24,738 INFO L278 TraceCheckSpWp]: Computing forward predicates...