./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_valuebound1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 61a67961 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_valuebound1.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 40c004ecbeb3948e318f4c5fc8011bd289b059bb9dbb2959c45853a9680cf20f --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 20:40:59,686 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 20:40:59,733 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-14 20:40:59,736 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 20:40:59,736 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 20:40:59,757 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 20:40:59,757 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 20:40:59,758 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 20:40:59,758 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 20:40:59,759 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 20:40:59,759 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 20:40:59,759 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 20:40:59,760 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 20:40:59,760 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 20:40:59,761 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 20:40:59,761 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 20:40:59,762 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 20:40:59,762 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 20:40:59,762 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 20:40:59,762 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 20:40:59,765 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 20:40:59,765 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 20:40:59,765 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 20:40:59,765 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 20:40:59,766 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 20:40:59,766 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-14 20:40:59,766 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-14 20:40:59,766 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 20:40:59,766 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 20:40:59,766 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 20:40:59,767 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 20:40:59,767 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 20:40:59,767 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 20:40:59,767 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 20:40:59,767 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 20:40:59,767 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 20:40:59,767 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 20:40:59,767 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 20:40:59,768 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 20:40:59,768 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 20:40:59,768 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 20:40:59,769 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 20:40:59,780 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 20:40:59,780 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 20:40:59,780 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 40c004ecbeb3948e318f4c5fc8011bd289b059bb9dbb2959c45853a9680cf20f [2024-10-14 20:40:59,990 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 20:41:00,011 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 20:41:00,014 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 20:41:00,014 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 20:41:00,015 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 20:41:00,016 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_valuebound1.c [2024-10-14 20:41:01,196 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 20:41:01,337 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 20:41:01,339 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_valuebound1.c [2024-10-14 20:41:01,346 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/78363407c/d69eb6d4921645cca90f2401e1246abe/FLAG8f269b7ec [2024-10-14 20:41:01,359 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/78363407c/d69eb6d4921645cca90f2401e1246abe [2024-10-14 20:41:01,361 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 20:41:01,362 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 20:41:01,364 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 20:41:01,364 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 20:41:01,368 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 20:41:01,369 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 08:41:01" (1/1) ... [2024-10-14 20:41:01,370 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46a6c3fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:41:01, skipping insertion in model container [2024-10-14 20:41:01,370 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 08:41:01" (1/1) ... [2024-10-14 20:41:01,395 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 20:41:01,568 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 20:41:01,575 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 20:41:01,593 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 20:41:01,604 INFO L204 MainTranslator]: Completed translation [2024-10-14 20:41:01,605 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:41:01 WrapperNode [2024-10-14 20:41:01,605 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 20:41:01,605 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 20:41:01,606 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 20:41:01,606 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 20:41:01,610 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:41:01" (1/1) ... [2024-10-14 20:41:01,615 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:41:01" (1/1) ... [2024-10-14 20:41:01,636 INFO L138 Inliner]: procedures = 14, calls = 17, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 139 [2024-10-14 20:41:01,637 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 20:41:01,637 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 20:41:01,638 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 20:41:01,638 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 20:41:01,647 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:41:01" (1/1) ... [2024-10-14 20:41:01,648 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:41:01" (1/1) ... [2024-10-14 20:41:01,649 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:41:01" (1/1) ... [2024-10-14 20:41:01,657 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-14 20:41:01,658 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:41:01" (1/1) ... [2024-10-14 20:41:01,658 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:41:01" (1/1) ... [2024-10-14 20:41:01,661 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:41:01" (1/1) ... [2024-10-14 20:41:01,663 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:41:01" (1/1) ... [2024-10-14 20:41:01,664 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:41:01" (1/1) ... [2024-10-14 20:41:01,665 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:41:01" (1/1) ... [2024-10-14 20:41:01,669 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 20:41:01,670 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 20:41:01,670 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 20:41:01,670 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 20:41:01,671 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:41:01" (1/1) ... [2024-10-14 20:41:01,674 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 20:41:01,682 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:41:01,693 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-14 20:41:01,696 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-14 20:41:01,724 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 20:41:01,724 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-14 20:41:01,724 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-14 20:41:01,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-14 20:41:01,724 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 20:41:01,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 20:41:01,724 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-14 20:41:01,724 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-14 20:41:01,771 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 20:41:01,772 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 20:41:02,299 INFO L? ?]: Removed 132 outVars from TransFormulas that were not future-live. [2024-10-14 20:41:02,300 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 20:41:02,322 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 20:41:02,323 INFO L314 CfgBuilder]: Removed 3 assume(true) statements. [2024-10-14 20:41:02,323 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 08:41:02 BoogieIcfgContainer [2024-10-14 20:41:02,323 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 20:41:02,324 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 20:41:02,324 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 20:41:02,328 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 20:41:02,328 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 08:41:01" (1/3) ... [2024-10-14 20:41:02,329 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f77ea2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 08:41:02, skipping insertion in model container [2024-10-14 20:41:02,329 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:41:01" (2/3) ... [2024-10-14 20:41:02,330 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f77ea2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 08:41:02, skipping insertion in model container [2024-10-14 20:41:02,330 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 08:41:02" (3/3) ... [2024-10-14 20:41:02,331 INFO L112 eAbstractionObserver]: Analyzing ICFG egcd3-ll_valuebound1.c [2024-10-14 20:41:02,344 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 20:41:02,344 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 50 error locations. [2024-10-14 20:41:02,392 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 20:41:02,397 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;@30c77a4f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 20:41:02,397 INFO L334 AbstractCegarLoop]: Starting to check reachability of 50 error locations. [2024-10-14 20:41:02,400 INFO L276 IsEmpty]: Start isEmpty. Operand has 129 states, 67 states have (on average 1.9104477611940298) internal successors, (128), 117 states have internal predecessors, (128), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-10-14 20:41:02,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-10-14 20:41:02,405 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:41:02,405 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:41:02,406 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-10-14 20:41:02,409 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:41:02,409 INFO L85 PathProgramCache]: Analyzing trace with hash 1746693785, now seen corresponding path program 1 times [2024-10-14 20:41:02,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:41:02,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [245469569] [2024-10-14 20:41:02,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:41:02,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:41:02,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:41:02,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 20:41:02,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:41:02,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 20:41:02,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:41:02,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 20:41:02,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:41:02,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-14 20:41:02,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:41:02,535 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-14 20:41:02,535 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:41:02,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [245469569] [2024-10-14 20:41:02,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [245469569] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:41:02,536 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:41:02,536 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 20:41:02,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086130091] [2024-10-14 20:41:02,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:41:02,540 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-14 20:41:02,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:41:02,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-14 20:41:02,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 20:41:02,565 INFO L87 Difference]: Start difference. First operand has 129 states, 67 states have (on average 1.9104477611940298) internal successors, (128), 117 states have internal predecessors, (128), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-14 20:41:02,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:41:02,589 INFO L93 Difference]: Finished difference Result 256 states and 298 transitions. [2024-10-14 20:41:02,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-14 20:41:02,591 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 25 [2024-10-14 20:41:02,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:41:02,596 INFO L225 Difference]: With dead ends: 256 [2024-10-14 20:41:02,596 INFO L226 Difference]: Without dead ends: 126 [2024-10-14 20:41:02,598 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 20:41:02,600 INFO L432 NwaCegarLoop]: 136 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 20:41:02,602 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 136 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 20:41:02,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2024-10-14 20:41:02,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2024-10-14 20:41:02,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 66 states have (on average 1.7878787878787878) internal successors, (118), 115 states have internal predecessors, (118), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-10-14 20:41:02,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 134 transitions. [2024-10-14 20:41:02,633 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 134 transitions. Word has length 25 [2024-10-14 20:41:02,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:41:02,634 INFO L471 AbstractCegarLoop]: Abstraction has 126 states and 134 transitions. [2024-10-14 20:41:02,634 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-14 20:41:02,634 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 134 transitions. [2024-10-14 20:41:02,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-10-14 20:41:02,635 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:41:02,635 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:41:02,635 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 20:41:02,636 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-10-14 20:41:02,636 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:41:02,636 INFO L85 PathProgramCache]: Analyzing trace with hash 1247169459, now seen corresponding path program 1 times [2024-10-14 20:41:02,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:41:02,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783886757] [2024-10-14 20:41:02,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:41:02,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:41:02,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:41:02,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 20:41:02,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:41:02,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 20:41:02,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:41:02,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 20:41:02,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:41:02,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-14 20:41:02,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:41:02,845 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-10-14 20:41:02,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:41:02,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783886757] [2024-10-14 20:41:02,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [783886757] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:41:02,847 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:41:02,847 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-14 20:41:02,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180331496] [2024-10-14 20:41:02,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:41:02,849 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 20:41:02,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:41:02,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 20:41:02,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-14 20:41:02,852 INFO L87 Difference]: Start difference. First operand 126 states and 134 transitions. Second operand has 6 states, 6 states have (on average 2.0) internal successors, (12), 5 states have internal predecessors, (12), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-14 20:41:03,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:41:03,097 INFO L93 Difference]: Finished difference Result 215 states and 235 transitions. [2024-10-14 20:41:03,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-14 20:41:03,098 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.0) internal successors, (12), 5 states have internal predecessors, (12), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 26 [2024-10-14 20:41:03,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:41:03,099 INFO L225 Difference]: With dead ends: 215 [2024-10-14 20:41:03,099 INFO L226 Difference]: Without dead ends: 187 [2024-10-14 20:41:03,100 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-10-14 20:41:03,101 INFO L432 NwaCegarLoop]: 80 mSDtfsCounter, 208 mSDsluCounter, 241 mSDsCounter, 0 mSdLazyCounter, 246 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 212 SdHoareTripleChecker+Valid, 321 SdHoareTripleChecker+Invalid, 254 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 246 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 20:41:03,101 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [212 Valid, 321 Invalid, 254 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 246 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 20:41:03,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2024-10-14 20:41:03,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 128. [2024-10-14 20:41:03,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 68 states have (on average 1.7647058823529411) internal successors, (120), 117 states have internal predecessors, (120), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-10-14 20:41:03,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 136 transitions. [2024-10-14 20:41:03,112 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 136 transitions. Word has length 26 [2024-10-14 20:41:03,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:41:03,112 INFO L471 AbstractCegarLoop]: Abstraction has 128 states and 136 transitions. [2024-10-14 20:41:03,113 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.0) internal successors, (12), 5 states have internal predecessors, (12), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-14 20:41:03,113 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 136 transitions. [2024-10-14 20:41:03,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-10-14 20:41:03,113 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:41:03,114 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:41:03,114 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 20:41:03,114 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-10-14 20:41:03,114 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:41:03,115 INFO L85 PathProgramCache]: Analyzing trace with hash -1337999012, now seen corresponding path program 1 times [2024-10-14 20:41:03,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:41:03,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [448804625] [2024-10-14 20:41:03,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:41:03,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:41:03,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:41:03,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 20:41:03,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:41:03,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 20:41:03,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:41:03,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 20:41:03,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:41:03,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-14 20:41:03,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:41:03,300 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-14 20:41:03,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:41:03,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [448804625] [2024-10-14 20:41:03,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [448804625] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:41:03,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [899250810] [2024-10-14 20:41:03,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:41:03,301 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:41:03,301 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:41:03,303 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:41:03,312 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-14 20:41:03,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:41:03,366 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-14 20:41:03,370 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:41:03,392 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-14 20:41:03,393 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:41:03,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [899250810] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:41:03,393 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:41:03,393 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [8] total 9 [2024-10-14 20:41:03,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [489467835] [2024-10-14 20:41:03,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:41:03,394 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 20:41:03,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:41:03,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 20:41:03,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-10-14 20:41:03,395 INFO L87 Difference]: Start difference. First operand 128 states and 136 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-14 20:41:03,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:41:03,619 INFO L93 Difference]: Finished difference Result 197 states and 215 transitions. [2024-10-14 20:41:03,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 20:41:03,620 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 29 [2024-10-14 20:41:03,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:41:03,621 INFO L225 Difference]: With dead ends: 197 [2024-10-14 20:41:03,622 INFO L226 Difference]: Without dead ends: 193 [2024-10-14 20:41:03,622 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-10-14 20:41:03,623 INFO L432 NwaCegarLoop]: 120 mSDtfsCounter, 59 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 20:41:03,623 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 220 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 20:41:03,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2024-10-14 20:41:03,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 167. [2024-10-14 20:41:03,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 167 states, 103 states have (on average 1.7766990291262137) internal successors, (183), 152 states have internal predecessors, (183), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-10-14 20:41:03,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 207 transitions. [2024-10-14 20:41:03,636 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 207 transitions. Word has length 29 [2024-10-14 20:41:03,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:41:03,636 INFO L471 AbstractCegarLoop]: Abstraction has 167 states and 207 transitions. [2024-10-14 20:41:03,637 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-14 20:41:03,637 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 207 transitions. [2024-10-14 20:41:03,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-10-14 20:41:03,637 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:41:03,638 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:41:03,653 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-14 20:41:03,838 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:41:03,839 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-10-14 20:41:03,839 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:41:03,839 INFO L85 PathProgramCache]: Analyzing trace with hash -1337999394, now seen corresponding path program 1 times [2024-10-14 20:41:03,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:41:03,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329160897] [2024-10-14 20:41:03,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:41:03,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:41:03,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:41:03,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1125272230] [2024-10-14 20:41:03,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:41:03,849 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:41:03,850 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:41:03,851 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:41:03,852 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-14 20:41:03,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:41:03,890 INFO L255 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-14 20:41:03,891 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:41:03,910 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-14 20:41:03,911 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:41:03,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:41:03,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [329160897] [2024-10-14 20:41:03,912 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:41:03,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1125272230] [2024-10-14 20:41:03,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1125272230] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:41:03,912 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:41:03,912 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 20:41:03,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737046927] [2024-10-14 20:41:03,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:41:03,913 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 20:41:03,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:41:03,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 20:41:03,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 20:41:03,915 INFO L87 Difference]: Start difference. First operand 167 states and 207 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-14 20:41:04,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:41:04,077 INFO L93 Difference]: Finished difference Result 195 states and 211 transitions. [2024-10-14 20:41:04,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 20:41:04,077 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 29 [2024-10-14 20:41:04,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:41:04,078 INFO L225 Difference]: With dead ends: 195 [2024-10-14 20:41:04,078 INFO L226 Difference]: Without dead ends: 193 [2024-10-14 20:41:04,079 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 20:41:04,081 INFO L432 NwaCegarLoop]: 126 mSDtfsCounter, 59 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 238 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 20:41:04,082 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 238 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 20:41:04,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2024-10-14 20:41:04,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 167. [2024-10-14 20:41:04,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 167 states, 103 states have (on average 1.7572815533980584) internal successors, (181), 152 states have internal predecessors, (181), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-10-14 20:41:04,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 205 transitions. [2024-10-14 20:41:04,102 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 205 transitions. Word has length 29 [2024-10-14 20:41:04,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:41:04,102 INFO L471 AbstractCegarLoop]: Abstraction has 167 states and 205 transitions. [2024-10-14 20:41:04,102 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-14 20:41:04,102 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 205 transitions. [2024-10-14 20:41:04,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-10-14 20:41:04,104 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:41:04,104 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:41:04,116 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-14 20:41:04,305 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,SelfDestructingSolverStorable3 [2024-10-14 20:41:04,305 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-10-14 20:41:04,306 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:41:04,306 INFO L85 PathProgramCache]: Analyzing trace with hash -1621824194, now seen corresponding path program 1 times [2024-10-14 20:41:04,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:41:04,306 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586674897] [2024-10-14 20:41:04,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:41:04,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:41:04,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:41:04,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 20:41:04,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:41:04,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 20:41:04,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:41:04,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 20:41:04,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:41:04,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-14 20:41:04,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:41:04,423 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-14 20:41:04,423 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:41:04,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [586674897] [2024-10-14 20:41:04,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [586674897] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:41:04,424 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:41:04,424 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 20:41:04,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932759321] [2024-10-14 20:41:04,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:41:04,424 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 20:41:04,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:41:04,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 20:41:04,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-14 20:41:04,425 INFO L87 Difference]: Start difference. First operand 167 states and 205 transitions. Second operand has 5 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-14 20:41:04,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:41:04,922 INFO L93 Difference]: Finished difference Result 190 states and 209 transitions. [2024-10-14 20:41:04,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 20:41:04,922 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 31 [2024-10-14 20:41:04,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:41:04,924 INFO L225 Difference]: With dead ends: 190 [2024-10-14 20:41:04,924 INFO L226 Difference]: Without dead ends: 189 [2024-10-14 20:41:04,924 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-14 20:41:04,925 INFO L432 NwaCegarLoop]: 121 mSDtfsCounter, 53 mSDsluCounter, 292 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 413 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-14 20:41:04,925 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 413 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-14 20:41:04,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2024-10-14 20:41:04,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 168. [2024-10-14 20:41:04,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 104 states have (on average 1.75) internal successors, (182), 153 states have internal predecessors, (182), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-10-14 20:41:04,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 206 transitions. [2024-10-14 20:41:04,937 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 206 transitions. Word has length 31 [2024-10-14 20:41:04,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:41:04,937 INFO L471 AbstractCegarLoop]: Abstraction has 168 states and 206 transitions. [2024-10-14 20:41:04,937 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-14 20:41:04,937 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 206 transitions. [2024-10-14 20:41:04,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-10-14 20:41:04,938 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:41:04,938 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:41:04,938 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-14 20:41:04,938 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-10-14 20:41:04,938 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:41:04,938 INFO L85 PathProgramCache]: Analyzing trace with hash -1622193600, now seen corresponding path program 1 times [2024-10-14 20:41:04,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:41:04,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808338303] [2024-10-14 20:41:04,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:41:04,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:41:04,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:41:04,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [164828343] [2024-10-14 20:41:04,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:41:04,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:41:04,946 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:41:04,948 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:41:04,949 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-14 20:41:04,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:41:04,979 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-14 20:41:04,980 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:41:05,047 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-14 20:41:05,048 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:41:05,048 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:41:05,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808338303] [2024-10-14 20:41:05,048 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:41:05,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [164828343] [2024-10-14 20:41:05,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [164828343] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:41:05,048 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:41:05,049 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 20:41:05,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [270526098] [2024-10-14 20:41:05,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:41:05,049 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 20:41:05,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:41:05,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 20:41:05,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:41:05,050 INFO L87 Difference]: Start difference. First operand 168 states and 206 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-14 20:41:05,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:41:05,190 INFO L93 Difference]: Finished difference Result 187 states and 206 transitions. [2024-10-14 20:41:05,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 20:41:05,190 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 31 [2024-10-14 20:41:05,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:41:05,191 INFO L225 Difference]: With dead ends: 187 [2024-10-14 20:41:05,191 INFO L226 Difference]: Without dead ends: 186 [2024-10-14 20:41:05,192 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:41:05,192 INFO L432 NwaCegarLoop]: 96 mSDtfsCounter, 139 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 198 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 20:41:05,194 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 198 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 20:41:05,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2024-10-14 20:41:05,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 168. [2024-10-14 20:41:05,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 104 states have (on average 1.7403846153846154) internal successors, (181), 153 states have internal predecessors, (181), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-10-14 20:41:05,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 205 transitions. [2024-10-14 20:41:05,200 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 205 transitions. Word has length 31 [2024-10-14 20:41:05,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:41:05,201 INFO L471 AbstractCegarLoop]: Abstraction has 168 states and 205 transitions. [2024-10-14 20:41:05,201 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-14 20:41:05,201 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 205 transitions. [2024-10-14 20:41:05,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-10-14 20:41:05,202 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:41:05,202 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:41:05,214 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-14 20:41:05,402 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:41:05,403 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-10-14 20:41:05,404 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:41:05,404 INFO L85 PathProgramCache]: Analyzing trace with hash 1263057693, now seen corresponding path program 1 times [2024-10-14 20:41:05,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:41:05,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2034753848] [2024-10-14 20:41:05,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:41:05,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:41:05,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:41:05,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 20:41:05,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:41:05,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 20:41:05,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:41:05,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 20:41:05,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:41:05,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-14 20:41:05,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:41:05,528 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-14 20:41:05,528 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:41:05,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2034753848] [2024-10-14 20:41:05,528 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2034753848] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:41:05,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [918773412] [2024-10-14 20:41:05,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:41:05,529 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:41:05,529 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:41:05,532 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:41:05,533 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-14 20:41:05,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:41:05,566 INFO L255 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-14 20:41:05,567 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:41:05,634 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-14 20:41:05,634 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:41:05,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [918773412] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:41:05,635 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:41:05,635 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 10 [2024-10-14 20:41:05,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364671262] [2024-10-14 20:41:05,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:41:05,638 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 20:41:05,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:41:05,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 20:41:05,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-10-14 20:41:05,638 INFO L87 Difference]: Start difference. First operand 168 states and 205 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-14 20:41:05,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:41:05,950 INFO L93 Difference]: Finished difference Result 188 states and 207 transitions. [2024-10-14 20:41:05,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 20:41:05,951 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 32 [2024-10-14 20:41:05,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:41:05,955 INFO L225 Difference]: With dead ends: 188 [2024-10-14 20:41:05,955 INFO L226 Difference]: Without dead ends: 187 [2024-10-14 20:41:05,955 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-10-14 20:41:05,956 INFO L432 NwaCegarLoop]: 115 mSDtfsCounter, 53 mSDsluCounter, 173 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 288 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 20:41:05,956 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 288 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 20:41:05,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2024-10-14 20:41:05,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 169. [2024-10-14 20:41:05,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 105 states have (on average 1.7333333333333334) internal successors, (182), 154 states have internal predecessors, (182), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-10-14 20:41:05,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 206 transitions. [2024-10-14 20:41:05,964 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 206 transitions. Word has length 32 [2024-10-14 20:41:05,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:41:05,964 INFO L471 AbstractCegarLoop]: Abstraction has 169 states and 206 transitions. [2024-10-14 20:41:05,965 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-14 20:41:05,965 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 206 transitions. [2024-10-14 20:41:05,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-10-14 20:41:05,968 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:41:05,968 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:41:05,981 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-14 20:41:06,168 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:41:06,169 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-10-14 20:41:06,169 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:41:06,169 INFO L85 PathProgramCache]: Analyzing trace with hash 1251606035, now seen corresponding path program 1 times [2024-10-14 20:41:06,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:41:06,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [939444837] [2024-10-14 20:41:06,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:41:06,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:41:06,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:41:06,181 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [339431148] [2024-10-14 20:41:06,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:41:06,181 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:41:06,181 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:41:06,183 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:41:06,184 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-14 20:41:06,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:41:06,213 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-14 20:41:06,213 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:41:06,278 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-14 20:41:06,278 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:41:06,278 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:41:06,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [939444837] [2024-10-14 20:41:06,278 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:41:06,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [339431148] [2024-10-14 20:41:06,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [339431148] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:41:06,279 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:41:06,279 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 20:41:06,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550232460] [2024-10-14 20:41:06,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:41:06,279 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 20:41:06,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:41:06,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 20:41:06,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:41:06,280 INFO L87 Difference]: Start difference. First operand 169 states and 206 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-14 20:41:06,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:41:06,410 INFO L93 Difference]: Finished difference Result 188 states and 206 transitions. [2024-10-14 20:41:06,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 20:41:06,410 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 32 [2024-10-14 20:41:06,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:41:06,411 INFO L225 Difference]: With dead ends: 188 [2024-10-14 20:41:06,411 INFO L226 Difference]: Without dead ends: 187 [2024-10-14 20:41:06,411 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:41:06,412 INFO L432 NwaCegarLoop]: 96 mSDtfsCounter, 138 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 198 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 20:41:06,413 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 198 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 20:41:06,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2024-10-14 20:41:06,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 169. [2024-10-14 20:41:06,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 105 states have (on average 1.723809523809524) internal successors, (181), 154 states have internal predecessors, (181), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-10-14 20:41:06,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 205 transitions. [2024-10-14 20:41:06,422 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 205 transitions. Word has length 32 [2024-10-14 20:41:06,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:41:06,423 INFO L471 AbstractCegarLoop]: Abstraction has 169 states and 205 transitions. [2024-10-14 20:41:06,423 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-14 20:41:06,424 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 205 transitions. [2024-10-14 20:41:06,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-10-14 20:41:06,424 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:41:06,424 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:41:06,437 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-10-14 20:41:06,624 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:41:06,625 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-10-14 20:41:06,625 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:41:06,626 INFO L85 PathProgramCache]: Analyzing trace with hash 500082976, now seen corresponding path program 1 times [2024-10-14 20:41:06,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:41:06,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [887218177] [2024-10-14 20:41:06,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:41:06,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:41:06,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:41:06,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 20:41:06,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:41:06,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 20:41:06,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:41:06,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 20:41:06,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:41:06,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-14 20:41:06,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:41:06,761 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-14 20:41:06,764 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:41:06,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [887218177] [2024-10-14 20:41:06,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [887218177] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:41:06,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [477807860] [2024-10-14 20:41:06,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:41:06,764 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:41:06,765 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:41:06,767 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:41:06,774 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-14 20:41:06,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:41:06,813 INFO L255 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-14 20:41:06,813 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:41:06,829 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-14 20:41:06,830 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:41:06,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [477807860] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:41:06,830 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:41:06,830 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [8] total 9 [2024-10-14 20:41:06,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006838305] [2024-10-14 20:41:06,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:41:06,831 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 20:41:06,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:41:06,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 20:41:06,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-10-14 20:41:06,831 INFO L87 Difference]: Start difference. First operand 169 states and 205 transitions. Second operand has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-14 20:41:06,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:41:06,918 INFO L93 Difference]: Finished difference Result 283 states and 361 transitions. [2024-10-14 20:41:06,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 20:41:06,918 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 33 [2024-10-14 20:41:06,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:41:06,920 INFO L225 Difference]: With dead ends: 283 [2024-10-14 20:41:06,920 INFO L226 Difference]: Without dead ends: 277 [2024-10-14 20:41:06,920 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-10-14 20:41:06,921 INFO L432 NwaCegarLoop]: 111 mSDtfsCounter, 56 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 215 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 20:41:06,922 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 215 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 20:41:06,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2024-10-14 20:41:06,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 245. [2024-10-14 20:41:06,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 245 states, 173 states have (on average 1.69364161849711) internal successors, (293), 222 states have internal predecessors, (293), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-10-14 20:41:06,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 333 transitions. [2024-10-14 20:41:06,935 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 333 transitions. Word has length 33 [2024-10-14 20:41:06,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:41:06,935 INFO L471 AbstractCegarLoop]: Abstraction has 245 states and 333 transitions. [2024-10-14 20:41:06,935 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-14 20:41:06,935 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 333 transitions. [2024-10-14 20:41:06,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-10-14 20:41:06,936 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:41:06,936 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:41:06,949 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-10-14 20:41:07,136 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:41:07,136 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-10-14 20:41:07,137 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:41:07,137 INFO L85 PathProgramCache]: Analyzing trace with hash 145081506, now seen corresponding path program 1 times [2024-10-14 20:41:07,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:41:07,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438032035] [2024-10-14 20:41:07,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:41:07,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:41:07,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:41:07,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1215325568] [2024-10-14 20:41:07,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:41:07,144 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:41:07,144 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:41:07,147 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:41:07,149 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-14 20:41:07,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:41:07,183 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-14 20:41:07,184 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:41:07,209 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-14 20:41:07,209 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:41:07,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:41:07,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [438032035] [2024-10-14 20:41:07,210 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:41:07,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1215325568] [2024-10-14 20:41:07,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1215325568] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:41:07,210 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:41:07,210 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 20:41:07,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532477820] [2024-10-14 20:41:07,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:41:07,210 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 20:41:07,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:41:07,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 20:41:07,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:41:07,213 INFO L87 Difference]: Start difference. First operand 245 states and 333 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-14 20:41:07,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:41:07,790 INFO L93 Difference]: Finished difference Result 270 states and 337 transitions. [2024-10-14 20:41:07,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 20:41:07,790 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 33 [2024-10-14 20:41:07,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:41:07,792 INFO L225 Difference]: With dead ends: 270 [2024-10-14 20:41:07,792 INFO L226 Difference]: Without dead ends: 269 [2024-10-14 20:41:07,792 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:41:07,792 INFO L432 NwaCegarLoop]: 124 mSDtfsCounter, 57 mSDsluCounter, 199 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 323 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-14 20:41:07,793 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 323 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-14 20:41:07,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2024-10-14 20:41:07,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 245. [2024-10-14 20:41:07,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 245 states, 173 states have (on average 1.6820809248554913) internal successors, (291), 222 states have internal predecessors, (291), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-10-14 20:41:07,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 331 transitions. [2024-10-14 20:41:07,802 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 331 transitions. Word has length 33 [2024-10-14 20:41:07,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:41:07,803 INFO L471 AbstractCegarLoop]: Abstraction has 245 states and 331 transitions. [2024-10-14 20:41:07,803 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-14 20:41:07,803 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 331 transitions. [2024-10-14 20:41:07,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-10-14 20:41:07,803 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:41:07,803 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:41:07,817 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-10-14 20:41:08,004 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:41:08,004 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-10-14 20:41:08,005 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:41:08,005 INFO L85 PathProgramCache]: Analyzing trace with hash 202559477, now seen corresponding path program 1 times [2024-10-14 20:41:08,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:41:08,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [405551849] [2024-10-14 20:41:08,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:41:08,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:41:08,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:41:08,012 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1903030668] [2024-10-14 20:41:08,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:41:08,012 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:41:08,012 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:41:08,016 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:41:08,023 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-14 20:41:08,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:41:08,057 INFO L255 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-14 20:41:08,058 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:41:08,155 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-14 20:41:08,155 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:41:08,155 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:41:08,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [405551849] [2024-10-14 20:41:08,155 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:41:08,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1903030668] [2024-10-14 20:41:08,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1903030668] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:41:08,155 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:41:08,155 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 20:41:08,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46280315] [2024-10-14 20:41:08,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:41:08,156 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 20:41:08,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:41:08,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 20:41:08,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:41:08,156 INFO L87 Difference]: Start difference. First operand 245 states and 331 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-14 20:41:08,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:41:08,465 INFO L93 Difference]: Finished difference Result 271 states and 336 transitions. [2024-10-14 20:41:08,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 20:41:08,465 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 34 [2024-10-14 20:41:08,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:41:08,466 INFO L225 Difference]: With dead ends: 271 [2024-10-14 20:41:08,466 INFO L226 Difference]: Without dead ends: 270 [2024-10-14 20:41:08,467 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:41:08,467 INFO L432 NwaCegarLoop]: 126 mSDtfsCounter, 100 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 247 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 20:41:08,467 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 247 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 20:41:08,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2024-10-14 20:41:08,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 245. [2024-10-14 20:41:08,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 245 states, 173 states have (on average 1.670520231213873) internal successors, (289), 222 states have internal predecessors, (289), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-10-14 20:41:08,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 329 transitions. [2024-10-14 20:41:08,477 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 329 transitions. Word has length 34 [2024-10-14 20:41:08,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:41:08,477 INFO L471 AbstractCegarLoop]: Abstraction has 245 states and 329 transitions. [2024-10-14 20:41:08,477 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-14 20:41:08,477 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 329 transitions. [2024-10-14 20:41:08,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-10-14 20:41:08,478 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:41:08,478 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:41:08,494 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-10-14 20:41:08,678 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-10-14 20:41:08,679 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-10-14 20:41:08,679 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:41:08,679 INFO L85 PathProgramCache]: Analyzing trace with hash -456592126, now seen corresponding path program 1 times [2024-10-14 20:41:08,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:41:08,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1776314301] [2024-10-14 20:41:08,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:41:08,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:41:08,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:41:08,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 20:41:08,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:41:08,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 20:41:08,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:41:08,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 20:41:08,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:41:08,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-14 20:41:08,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:41:08,765 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-14 20:41:08,765 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:41:08,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1776314301] [2024-10-14 20:41:08,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1776314301] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:41:08,765 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:41:08,765 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 20:41:08,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143336189] [2024-10-14 20:41:08,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:41:08,766 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 20:41:08,766 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:41:08,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 20:41:08,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-14 20:41:08,767 INFO L87 Difference]: Start difference. First operand 245 states and 329 transitions. Second operand has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-14 20:41:09,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:41:09,034 INFO L93 Difference]: Finished difference Result 274 states and 339 transitions. [2024-10-14 20:41:09,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 20:41:09,034 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 35 [2024-10-14 20:41:09,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:41:09,035 INFO L225 Difference]: With dead ends: 274 [2024-10-14 20:41:09,035 INFO L226 Difference]: Without dead ends: 273 [2024-10-14 20:41:09,036 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-14 20:41:09,036 INFO L432 NwaCegarLoop]: 125 mSDtfsCounter, 56 mSDsluCounter, 229 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 354 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 20:41:09,036 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 354 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 20:41:09,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2024-10-14 20:41:09,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 250. [2024-10-14 20:41:09,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 250 states, 178 states have (on average 1.6629213483146068) internal successors, (296), 227 states have internal predecessors, (296), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-10-14 20:41:09,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 336 transitions. [2024-10-14 20:41:09,045 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 336 transitions. Word has length 35 [2024-10-14 20:41:09,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:41:09,046 INFO L471 AbstractCegarLoop]: Abstraction has 250 states and 336 transitions. [2024-10-14 20:41:09,046 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-14 20:41:09,046 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 336 transitions. [2024-10-14 20:41:09,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-10-14 20:41:09,047 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:41:09,047 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:41:09,047 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-14 20:41:09,047 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-10-14 20:41:09,047 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:41:09,047 INFO L85 PathProgramCache]: Analyzing trace with hash -1269453855, now seen corresponding path program 1 times [2024-10-14 20:41:09,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:41:09,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974912530] [2024-10-14 20:41:09,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:41:09,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:41:09,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:41:09,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 20:41:09,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:41:09,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 20:41:09,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:41:09,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 20:41:09,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:41:09,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-14 20:41:09,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:41:09,169 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-14 20:41:09,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:41:09,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1974912530] [2024-10-14 20:41:09,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1974912530] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:41:09,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1186155762] [2024-10-14 20:41:09,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:41:09,170 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:41:09,170 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:41:09,171 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:41:09,173 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-14 20:41:09,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:41:09,211 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-14 20:41:09,212 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:41:09,265 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-14 20:41:09,265 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:41:09,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1186155762] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:41:09,265 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:41:09,266 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 11 [2024-10-14 20:41:09,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677404308] [2024-10-14 20:41:09,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:41:09,266 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 20:41:09,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:41:09,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 20:41:09,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-10-14 20:41:09,267 INFO L87 Difference]: Start difference. First operand 250 states and 336 transitions. Second operand has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-14 20:41:09,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:41:09,482 INFO L93 Difference]: Finished difference Result 291 states and 347 transitions. [2024-10-14 20:41:09,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 20:41:09,482 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 36 [2024-10-14 20:41:09,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:41:09,483 INFO L225 Difference]: With dead ends: 291 [2024-10-14 20:41:09,484 INFO L226 Difference]: Without dead ends: 290 [2024-10-14 20:41:09,484 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-10-14 20:41:09,484 INFO L432 NwaCegarLoop]: 111 mSDtfsCounter, 153 mSDsluCounter, 243 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 354 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 20:41:09,484 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [161 Valid, 354 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 20:41:09,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2024-10-14 20:41:09,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 252. [2024-10-14 20:41:09,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 252 states, 180 states have (on average 1.6555555555555554) internal successors, (298), 229 states have internal predecessors, (298), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-10-14 20:41:09,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 338 transitions. [2024-10-14 20:41:09,494 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 338 transitions. Word has length 36 [2024-10-14 20:41:09,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:41:09,494 INFO L471 AbstractCegarLoop]: Abstraction has 252 states and 338 transitions. [2024-10-14 20:41:09,494 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-14 20:41:09,494 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 338 transitions. [2024-10-14 20:41:09,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-10-14 20:41:09,494 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:41:09,495 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:41:09,523 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-10-14 20:41:09,695 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-10-14 20:41:09,695 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-10-14 20:41:09,695 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:41:09,695 INFO L85 PathProgramCache]: Analyzing trace with hash -1112706140, now seen corresponding path program 1 times [2024-10-14 20:41:09,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:41:09,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1069790856] [2024-10-14 20:41:09,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:41:09,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:41:09,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:41:09,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 20:41:09,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:41:09,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 20:41:09,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:41:09,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 20:41:09,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:41:09,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-14 20:41:09,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:41:09,773 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-10-14 20:41:09,774 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:41:09,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1069790856] [2024-10-14 20:41:09,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1069790856] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:41:09,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [568450519] [2024-10-14 20:41:09,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:41:09,774 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:41:09,774 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:41:09,776 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:41:09,777 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-10-14 20:41:09,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:41:09,815 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-14 20:41:09,816 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:41:09,862 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-14 20:41:09,862 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:41:09,978 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-14 20:41:09,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [568450519] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:41:09,978 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 20:41:09,978 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 15 [2024-10-14 20:41:09,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537979874] [2024-10-14 20:41:09,979 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 20:41:09,979 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-14 20:41:09,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:41:09,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-14 20:41:09,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2024-10-14 20:41:09,980 INFO L87 Difference]: Start difference. First operand 252 states and 338 transitions. Second operand has 15 states, 15 states have (on average 3.8666666666666667) internal successors, (58), 14 states have internal predecessors, (58), 2 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-14 20:41:11,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:41:11,431 INFO L93 Difference]: Finished difference Result 936 states and 1187 transitions. [2024-10-14 20:41:11,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-10-14 20:41:11,432 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.8666666666666667) internal successors, (58), 14 states have internal predecessors, (58), 2 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 39 [2024-10-14 20:41:11,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:41:11,437 INFO L225 Difference]: With dead ends: 936 [2024-10-14 20:41:11,437 INFO L226 Difference]: Without dead ends: 908 [2024-10-14 20:41:11,438 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 77 SyntacticMatches, 1 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 310 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=382, Invalid=1178, Unknown=0, NotChecked=0, Total=1560 [2024-10-14 20:41:11,439 INFO L432 NwaCegarLoop]: 174 mSDtfsCounter, 1866 mSDsluCounter, 977 mSDsCounter, 0 mSdLazyCounter, 1296 mSolverCounterSat, 229 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1866 SdHoareTripleChecker+Valid, 1151 SdHoareTripleChecker+Invalid, 1525 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 229 IncrementalHoareTripleChecker+Valid, 1296 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-10-14 20:41:11,439 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1866 Valid, 1151 Invalid, 1525 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [229 Valid, 1296 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-10-14 20:41:11,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 908 states. [2024-10-14 20:41:11,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 908 to 256. [2024-10-14 20:41:11,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 256 states, 184 states have (on average 1.6521739130434783) internal successors, (304), 233 states have internal predecessors, (304), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-10-14 20:41:11,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 344 transitions. [2024-10-14 20:41:11,456 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 344 transitions. Word has length 39 [2024-10-14 20:41:11,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:41:11,456 INFO L471 AbstractCegarLoop]: Abstraction has 256 states and 344 transitions. [2024-10-14 20:41:11,456 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.8666666666666667) internal successors, (58), 14 states have internal predecessors, (58), 2 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-14 20:41:11,456 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 344 transitions. [2024-10-14 20:41:11,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-10-14 20:41:11,457 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:41:11,457 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:41:11,469 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-10-14 20:41:11,657 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,SelfDestructingSolverStorable13 [2024-10-14 20:41:11,657 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-10-14 20:41:11,658 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:41:11,658 INFO L85 PathProgramCache]: Analyzing trace with hash 330389210, now seen corresponding path program 1 times [2024-10-14 20:41:11,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:41:11,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1423463595] [2024-10-14 20:41:11,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:41:11,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:41:11,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:41:11,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [136656905] [2024-10-14 20:41:11,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:41:11,665 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:41:11,665 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:41:11,668 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:41:11,679 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-10-14 20:41:11,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:41:11,716 INFO L255 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-14 20:41:11,717 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:41:11,765 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-14 20:41:11,766 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:41:11,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:41:11,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1423463595] [2024-10-14 20:41:11,766 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:41:11,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [136656905] [2024-10-14 20:41:11,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [136656905] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:41:11,766 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:41:11,766 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 20:41:11,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550177464] [2024-10-14 20:41:11,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:41:11,767 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 20:41:11,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:41:11,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 20:41:11,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:41:11,768 INFO L87 Difference]: Start difference. First operand 256 states and 344 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 3 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2024-10-14 20:41:12,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:41:12,043 INFO L93 Difference]: Finished difference Result 274 states and 346 transitions. [2024-10-14 20:41:12,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 20:41:12,047 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 3 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 42 [2024-10-14 20:41:12,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:41:12,048 INFO L225 Difference]: With dead ends: 274 [2024-10-14 20:41:12,048 INFO L226 Difference]: Without dead ends: 273 [2024-10-14 20:41:12,049 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:41:12,049 INFO L432 NwaCegarLoop]: 94 mSDtfsCounter, 143 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 20:41:12,049 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [150 Valid, 193 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 20:41:12,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2024-10-14 20:41:12,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 256. [2024-10-14 20:41:12,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 256 states, 184 states have (on average 1.641304347826087) internal successors, (302), 233 states have internal predecessors, (302), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-10-14 20:41:12,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 342 transitions. [2024-10-14 20:41:12,070 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 342 transitions. Word has length 42 [2024-10-14 20:41:12,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:41:12,070 INFO L471 AbstractCegarLoop]: Abstraction has 256 states and 342 transitions. [2024-10-14 20:41:12,070 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 3 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2024-10-14 20:41:12,070 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 342 transitions. [2024-10-14 20:41:12,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-10-14 20:41:12,071 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:41:12,071 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:41:12,084 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-10-14 20:41:12,271 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,SelfDestructingSolverStorable14 [2024-10-14 20:41:12,271 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-10-14 20:41:12,271 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:41:12,272 INFO L85 PathProgramCache]: Analyzing trace with hash -72300979, now seen corresponding path program 1 times [2024-10-14 20:41:12,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:41:12,272 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [161707123] [2024-10-14 20:41:12,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:41:12,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:41:12,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:41:12,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 20:41:12,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:41:12,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 20:41:12,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:41:12,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 20:41:12,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:41:12,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-14 20:41:12,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:41:12,399 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-14 20:41:12,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:41:12,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [161707123] [2024-10-14 20:41:12,400 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [161707123] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:41:12,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [150655288] [2024-10-14 20:41:12,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:41:12,400 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:41:12,400 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:41:12,402 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:41:12,408 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-10-14 20:41:12,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:41:12,445 INFO L255 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-10-14 20:41:12,446 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:41:12,562 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 2 proven. 14 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-14 20:41:12,562 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:41:12,725 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 2 proven. 14 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-14 20:41:12,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [150655288] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:41:12,725 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 20:41:12,725 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 10, 10] total 19 [2024-10-14 20:41:12,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131390927] [2024-10-14 20:41:12,725 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 20:41:12,726 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-10-14 20:41:12,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:41:12,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-10-14 20:41:12,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2024-10-14 20:41:12,727 INFO L87 Difference]: Start difference. First operand 256 states and 342 transitions. Second operand has 19 states, 18 states have (on average 2.9444444444444446) internal successors, (53), 15 states have internal predecessors, (53), 7 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (12), 7 states have call predecessors, (12), 7 states have call successors, (12) [2024-10-14 20:41:13,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:41:13,333 INFO L93 Difference]: Finished difference Result 438 states and 541 transitions. [2024-10-14 20:41:13,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-14 20:41:13,333 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 2.9444444444444446) internal successors, (53), 15 states have internal predecessors, (53), 7 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (12), 7 states have call predecessors, (12), 7 states have call successors, (12) Word has length 42 [2024-10-14 20:41:13,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:41:13,334 INFO L225 Difference]: With dead ends: 438 [2024-10-14 20:41:13,334 INFO L226 Difference]: Without dead ends: 271 [2024-10-14 20:41:13,335 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=177, Invalid=693, Unknown=0, NotChecked=0, Total=870 [2024-10-14 20:41:13,335 INFO L432 NwaCegarLoop]: 54 mSDtfsCounter, 1107 mSDsluCounter, 379 mSDsCounter, 0 mSdLazyCounter, 737 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1107 SdHoareTripleChecker+Valid, 433 SdHoareTripleChecker+Invalid, 817 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 737 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-14 20:41:13,336 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1107 Valid, 433 Invalid, 817 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 737 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-14 20:41:13,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2024-10-14 20:41:13,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 247. [2024-10-14 20:41:13,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 247 states, 175 states have (on average 1.6685714285714286) internal successors, (292), 224 states have internal predecessors, (292), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-10-14 20:41:13,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 332 transitions. [2024-10-14 20:41:13,350 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 332 transitions. Word has length 42 [2024-10-14 20:41:13,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:41:13,350 INFO L471 AbstractCegarLoop]: Abstraction has 247 states and 332 transitions. [2024-10-14 20:41:13,350 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 2.9444444444444446) internal successors, (53), 15 states have internal predecessors, (53), 7 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (12), 7 states have call predecessors, (12), 7 states have call successors, (12) [2024-10-14 20:41:13,350 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 332 transitions. [2024-10-14 20:41:13,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-10-14 20:41:13,351 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:41:13,351 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:41:13,362 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-10-14 20:41:13,551 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,SelfDestructingSolverStorable15 [2024-10-14 20:41:13,551 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-10-14 20:41:13,552 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:41:13,552 INFO L85 PathProgramCache]: Analyzing trace with hash 1652131014, now seen corresponding path program 1 times [2024-10-14 20:41:13,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:41:13,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1281667684] [2024-10-14 20:41:13,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:41:13,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:41:13,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:41:13,561 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1556736081] [2024-10-14 20:41:13,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:41:13,561 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:41:13,561 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:41:13,566 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:41:13,580 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-10-14 20:41:13,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:41:13,618 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-14 20:41:13,619 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:41:13,689 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-14 20:41:13,689 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:41:13,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:41:13,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1281667684] [2024-10-14 20:41:13,690 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:41:13,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1556736081] [2024-10-14 20:41:13,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1556736081] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:41:13,690 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:41:13,690 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 20:41:13,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680370572] [2024-10-14 20:41:13,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:41:13,690 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 20:41:13,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:41:13,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 20:41:13,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:41:13,691 INFO L87 Difference]: Start difference. First operand 247 states and 332 transitions. Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 3 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2024-10-14 20:41:13,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:41:13,815 INFO L93 Difference]: Finished difference Result 265 states and 334 transitions. [2024-10-14 20:41:13,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 20:41:13,816 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 3 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 43 [2024-10-14 20:41:13,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:41:13,817 INFO L225 Difference]: With dead ends: 265 [2024-10-14 20:41:13,817 INFO L226 Difference]: Without dead ends: 264 [2024-10-14 20:41:13,817 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:41:13,818 INFO L432 NwaCegarLoop]: 93 mSDtfsCounter, 189 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 196 SdHoareTripleChecker+Valid, 177 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 20:41:13,818 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [196 Valid, 177 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 20:41:13,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2024-10-14 20:41:13,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 247. [2024-10-14 20:41:13,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 247 states, 175 states have (on average 1.6571428571428573) internal successors, (290), 224 states have internal predecessors, (290), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-10-14 20:41:13,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 330 transitions. [2024-10-14 20:41:13,830 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 330 transitions. Word has length 43 [2024-10-14 20:41:13,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:41:13,830 INFO L471 AbstractCegarLoop]: Abstraction has 247 states and 330 transitions. [2024-10-14 20:41:13,831 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 3 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2024-10-14 20:41:13,831 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 330 transitions. [2024-10-14 20:41:13,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-10-14 20:41:13,831 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:41:13,831 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:41:13,844 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-10-14 20:41:14,032 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,SelfDestructingSolverStorable16 [2024-10-14 20:41:14,033 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-10-14 20:41:14,033 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:41:14,033 INFO L85 PathProgramCache]: Analyzing trace with hash -323546020, now seen corresponding path program 1 times [2024-10-14 20:41:14,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:41:14,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122696457] [2024-10-14 20:41:14,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:41:14,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:41:14,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:41:14,040 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1392267774] [2024-10-14 20:41:14,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:41:14,041 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:41:14,041 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:41:14,043 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:41:14,044 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-10-14 20:41:14,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:41:14,076 INFO L255 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-14 20:41:14,077 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:41:14,103 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-14 20:41:14,103 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:41:14,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:41:14,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2122696457] [2024-10-14 20:41:14,103 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:41:14,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1392267774] [2024-10-14 20:41:14,103 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1392267774] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:41:14,103 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:41:14,103 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 20:41:14,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310976083] [2024-10-14 20:41:14,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:41:14,104 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 20:41:14,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:41:14,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 20:41:14,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:41:14,105 INFO L87 Difference]: Start difference. First operand 247 states and 330 transitions. Second operand has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-14 20:41:14,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:41:14,389 INFO L93 Difference]: Finished difference Result 275 states and 342 transitions. [2024-10-14 20:41:14,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 20:41:14,389 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 44 [2024-10-14 20:41:14,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:41:14,390 INFO L225 Difference]: With dead ends: 275 [2024-10-14 20:41:14,390 INFO L226 Difference]: Without dead ends: 274 [2024-10-14 20:41:14,391 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:41:14,391 INFO L432 NwaCegarLoop]: 129 mSDtfsCounter, 93 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 237 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 20:41:14,391 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 237 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 20:41:14,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2024-10-14 20:41:14,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 247. [2024-10-14 20:41:14,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 247 states, 175 states have (on average 1.6457142857142857) internal successors, (288), 224 states have internal predecessors, (288), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-10-14 20:41:14,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 328 transitions. [2024-10-14 20:41:14,405 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 328 transitions. Word has length 44 [2024-10-14 20:41:14,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:41:14,405 INFO L471 AbstractCegarLoop]: Abstraction has 247 states and 328 transitions. [2024-10-14 20:41:14,405 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-14 20:41:14,406 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 328 transitions. [2024-10-14 20:41:14,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-10-14 20:41:14,406 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:41:14,406 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:41:14,419 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-10-14 20:41:14,606 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:41:14,607 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-10-14 20:41:14,607 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:41:14,607 INFO L85 PathProgramCache]: Analyzing trace with hash -1439991928, now seen corresponding path program 1 times [2024-10-14 20:41:14,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:41:14,607 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1616026343] [2024-10-14 20:41:14,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:41:14,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:41:14,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:41:14,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [56191079] [2024-10-14 20:41:14,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:41:14,613 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:41:14,613 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:41:14,614 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:41:14,615 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-10-14 20:41:14,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:41:14,646 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-14 20:41:14,647 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:41:14,672 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-14 20:41:14,673 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:41:14,673 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:41:14,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1616026343] [2024-10-14 20:41:14,673 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:41:14,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [56191079] [2024-10-14 20:41:14,673 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [56191079] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:41:14,673 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:41:14,673 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 20:41:14,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255743755] [2024-10-14 20:41:14,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:41:14,674 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 20:41:14,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:41:14,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 20:41:14,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:41:14,674 INFO L87 Difference]: Start difference. First operand 247 states and 328 transitions. Second operand has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-14 20:41:14,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:41:14,954 INFO L93 Difference]: Finished difference Result 276 states and 341 transitions. [2024-10-14 20:41:14,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 20:41:14,954 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 45 [2024-10-14 20:41:14,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:41:14,955 INFO L225 Difference]: With dead ends: 276 [2024-10-14 20:41:14,955 INFO L226 Difference]: Without dead ends: 275 [2024-10-14 20:41:14,956 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:41:14,956 INFO L432 NwaCegarLoop]: 131 mSDtfsCounter, 92 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 239 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 20:41:14,956 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 239 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 20:41:14,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2024-10-14 20:41:14,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 247. [2024-10-14 20:41:14,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 247 states, 175 states have (on average 1.6342857142857143) internal successors, (286), 224 states have internal predecessors, (286), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-10-14 20:41:14,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 326 transitions. [2024-10-14 20:41:14,967 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 326 transitions. Word has length 45 [2024-10-14 20:41:14,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:41:14,968 INFO L471 AbstractCegarLoop]: Abstraction has 247 states and 326 transitions. [2024-10-14 20:41:14,968 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-14 20:41:14,968 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 326 transitions. [2024-10-14 20:41:14,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-10-14 20:41:14,969 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:41:14,969 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2024-10-14 20:41:14,981 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-10-14 20:41:15,169 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:41:15,170 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-10-14 20:41:15,171 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:41:15,171 INFO L85 PathProgramCache]: Analyzing trace with hash -1321062314, now seen corresponding path program 1 times [2024-10-14 20:41:15,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:41:15,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [212344541] [2024-10-14 20:41:15,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:41:15,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:41:15,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:41:15,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 20:41:15,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:41:15,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 20:41:15,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:41:15,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 20:41:15,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:41:15,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-14 20:41:15,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:41:15,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-14 20:41:15,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:41:15,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-14 20:41:15,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:41:15,285 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-10-14 20:41:15,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:41:15,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [212344541] [2024-10-14 20:41:15,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [212344541] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:41:15,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1281769795] [2024-10-14 20:41:15,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:41:15,286 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:41:15,287 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:41:15,291 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:41:15,292 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-10-14 20:41:15,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:41:15,330 INFO L255 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-14 20:41:15,331 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:41:15,414 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-10-14 20:41:15,415 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:41:15,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1281769795] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:41:15,415 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:41:15,415 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 10 [2024-10-14 20:41:15,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591766791] [2024-10-14 20:41:15,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:41:15,415 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 20:41:15,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:41:15,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 20:41:15,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-10-14 20:41:15,417 INFO L87 Difference]: Start difference. First operand 247 states and 326 transitions. Second operand has 5 states, 4 states have (on average 7.25) internal successors, (29), 5 states have internal predecessors, (29), 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) [2024-10-14 20:41:15,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:41:15,870 INFO L93 Difference]: Finished difference Result 274 states and 330 transitions. [2024-10-14 20:41:15,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 20:41:15,872 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.25) internal successors, (29), 5 states have internal predecessors, (29), 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 53 [2024-10-14 20:41:15,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:41:15,873 INFO L225 Difference]: With dead ends: 274 [2024-10-14 20:41:15,873 INFO L226 Difference]: Without dead ends: 273 [2024-10-14 20:41:15,873 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2024-10-14 20:41:15,874 INFO L432 NwaCegarLoop]: 84 mSDtfsCounter, 273 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 277 SdHoareTripleChecker+Valid, 273 SdHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-14 20:41:15,874 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [277 Valid, 273 Invalid, 203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-14 20:41:15,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2024-10-14 20:41:15,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 247. [2024-10-14 20:41:15,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 247 states, 175 states have (on average 1.6285714285714286) internal successors, (285), 224 states have internal predecessors, (285), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-10-14 20:41:15,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 325 transitions. [2024-10-14 20:41:15,886 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 325 transitions. Word has length 53 [2024-10-14 20:41:15,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:41:15,887 INFO L471 AbstractCegarLoop]: Abstraction has 247 states and 325 transitions. [2024-10-14 20:41:15,887 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.25) internal successors, (29), 5 states have internal predecessors, (29), 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) [2024-10-14 20:41:15,887 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 325 transitions. [2024-10-14 20:41:15,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-10-14 20:41:15,887 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:41:15,887 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2024-10-14 20:41:15,901 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-10-14 20:41:16,088 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:41:16,088 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-10-14 20:41:16,088 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:41:16,088 INFO L85 PathProgramCache]: Analyzing trace with hash 1996741335, now seen corresponding path program 1 times [2024-10-14 20:41:16,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:41:16,089 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625752346] [2024-10-14 20:41:16,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:41:16,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:41:16,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:41:16,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [167938701] [2024-10-14 20:41:16,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:41:16,096 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:41:16,096 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:41:16,099 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:41:16,100 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-10-14 20:41:16,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:41:16,132 INFO L255 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-14 20:41:16,133 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:41:16,200 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-10-14 20:41:16,200 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:41:16,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:41:16,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1625752346] [2024-10-14 20:41:16,201 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:41:16,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [167938701] [2024-10-14 20:41:16,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [167938701] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:41:16,201 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:41:16,201 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 20:41:16,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073612920] [2024-10-14 20:41:16,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:41:16,201 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 20:41:16,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:41:16,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 20:41:16,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 20:41:16,202 INFO L87 Difference]: Start difference. First operand 247 states and 325 transitions. Second operand has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 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) [2024-10-14 20:41:16,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:41:16,440 INFO L93 Difference]: Finished difference Result 274 states and 329 transitions. [2024-10-14 20:41:16,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 20:41:16,440 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 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 54 [2024-10-14 20:41:16,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:41:16,441 INFO L225 Difference]: With dead ends: 274 [2024-10-14 20:41:16,441 INFO L226 Difference]: Without dead ends: 273 [2024-10-14 20:41:16,441 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-14 20:41:16,442 INFO L432 NwaCegarLoop]: 87 mSDtfsCounter, 282 mSDsluCounter, 177 mSDsCounter, 0 mSdLazyCounter, 190 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 286 SdHoareTripleChecker+Valid, 264 SdHoareTripleChecker+Invalid, 205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 190 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 20:41:16,442 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [286 Valid, 264 Invalid, 205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 190 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 20:41:16,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2024-10-14 20:41:16,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 247. [2024-10-14 20:41:16,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 247 states, 175 states have (on average 1.6228571428571428) internal successors, (284), 224 states have internal predecessors, (284), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-10-14 20:41:16,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 324 transitions. [2024-10-14 20:41:16,453 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 324 transitions. Word has length 54 [2024-10-14 20:41:16,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:41:16,453 INFO L471 AbstractCegarLoop]: Abstraction has 247 states and 324 transitions. [2024-10-14 20:41:16,453 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 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) [2024-10-14 20:41:16,453 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 324 transitions. [2024-10-14 20:41:16,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-10-14 20:41:16,454 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:41:16,454 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2024-10-14 20:41:16,466 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-10-14 20:41:16,654 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:41:16,654 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-10-14 20:41:16,655 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:41:16,655 INFO L85 PathProgramCache]: Analyzing trace with hash -61768248, now seen corresponding path program 1 times [2024-10-14 20:41:16,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:41:16,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874635548] [2024-10-14 20:41:16,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:41:16,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:41:16,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:41:16,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1002622397] [2024-10-14 20:41:16,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:41:16,666 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:41:16,666 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:41:16,667 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) [2024-10-14 20:41:16,669 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-10-14 20:41:16,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:41:16,702 INFO L255 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-14 20:41:16,703 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:41:16,787 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-10-14 20:41:16,787 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:41:16,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:41:16,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1874635548] [2024-10-14 20:41:16,787 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:41:16,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1002622397] [2024-10-14 20:41:16,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1002622397] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:41:16,787 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:41:16,787 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 20:41:16,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617604279] [2024-10-14 20:41:16,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:41:16,787 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 20:41:16,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:41:16,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 20:41:16,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-14 20:41:16,788 INFO L87 Difference]: Start difference. First operand 247 states and 324 transitions. Second operand has 5 states, 4 states have (on average 7.75) internal successors, (31), 5 states have internal predecessors, (31), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-10-14 20:41:17,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:41:17,218 INFO L93 Difference]: Finished difference Result 324 states and 414 transitions. [2024-10-14 20:41:17,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 20:41:17,219 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.75) internal successors, (31), 5 states have internal predecessors, (31), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 60 [2024-10-14 20:41:17,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:41:17,220 INFO L225 Difference]: With dead ends: 324 [2024-10-14 20:41:17,220 INFO L226 Difference]: Without dead ends: 321 [2024-10-14 20:41:17,220 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-10-14 20:41:17,220 INFO L432 NwaCegarLoop]: 82 mSDtfsCounter, 229 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 151 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 233 SdHoareTripleChecker+Valid, 202 SdHoareTripleChecker+Invalid, 164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 151 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-14 20:41:17,220 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [233 Valid, 202 Invalid, 164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 151 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-14 20:41:17,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2024-10-14 20:41:17,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 303. [2024-10-14 20:41:17,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 303 states, 223 states have (on average 1.5426008968609866) internal successors, (344), 272 states have internal predecessors, (344), 28 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2024-10-14 20:41:17,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 303 states and 400 transitions. [2024-10-14 20:41:17,236 INFO L78 Accepts]: Start accepts. Automaton has 303 states and 400 transitions. Word has length 60 [2024-10-14 20:41:17,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:41:17,237 INFO L471 AbstractCegarLoop]: Abstraction has 303 states and 400 transitions. [2024-10-14 20:41:17,237 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.75) internal successors, (31), 5 states have internal predecessors, (31), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-10-14 20:41:17,237 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 400 transitions. [2024-10-14 20:41:17,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-10-14 20:41:17,237 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:41:17,237 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2024-10-14 20:41:17,250 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-10-14 20:41:17,437 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:41:17,438 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-10-14 20:41:17,438 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:41:17,438 INFO L85 PathProgramCache]: Analyzing trace with hash -1914815574, now seen corresponding path program 1 times [2024-10-14 20:41:17,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:41:17,438 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750497412] [2024-10-14 20:41:17,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:41:17,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:41:17,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:41:17,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2075441142] [2024-10-14 20:41:17,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:41:17,449 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:41:17,450 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:41:17,456 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) [2024-10-14 20:41:17,457 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-10-14 20:41:17,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:41:17,490 INFO L255 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-14 20:41:17,491 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:41:17,552 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-10-14 20:41:17,552 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:41:17,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:41:17,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [750497412] [2024-10-14 20:41:17,552 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:41:17,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2075441142] [2024-10-14 20:41:17,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2075441142] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:41:17,553 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:41:17,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 20:41:17,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [316466834] [2024-10-14 20:41:17,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:41:17,553 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 20:41:17,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:41:17,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 20:41:17,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-14 20:41:17,554 INFO L87 Difference]: Start difference. First operand 303 states and 400 transitions. Second operand has 5 states, 4 states have (on average 8.0) internal successors, (32), 5 states have internal predecessors, (32), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-10-14 20:41:17,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:41:17,839 INFO L93 Difference]: Finished difference Result 322 states and 408 transitions. [2024-10-14 20:41:17,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 20:41:17,840 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.0) internal successors, (32), 5 states have internal predecessors, (32), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 61 [2024-10-14 20:41:17,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:41:17,841 INFO L225 Difference]: With dead ends: 322 [2024-10-14 20:41:17,841 INFO L226 Difference]: Without dead ends: 321 [2024-10-14 20:41:17,842 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-10-14 20:41:17,843 INFO L432 NwaCegarLoop]: 85 mSDtfsCounter, 228 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 154 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 232 SdHoareTripleChecker+Valid, 205 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 154 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 20:41:17,843 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [232 Valid, 205 Invalid, 165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 154 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 20:41:17,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2024-10-14 20:41:17,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 303. [2024-10-14 20:41:17,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 303 states, 223 states have (on average 1.5336322869955157) internal successors, (342), 272 states have internal predecessors, (342), 28 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2024-10-14 20:41:17,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 303 states and 398 transitions. [2024-10-14 20:41:17,860 INFO L78 Accepts]: Start accepts. Automaton has 303 states and 398 transitions. Word has length 61 [2024-10-14 20:41:17,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:41:17,860 INFO L471 AbstractCegarLoop]: Abstraction has 303 states and 398 transitions. [2024-10-14 20:41:17,861 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.0) internal successors, (32), 5 states have internal predecessors, (32), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-10-14 20:41:17,861 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 398 transitions. [2024-10-14 20:41:17,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-10-14 20:41:17,861 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:41:17,861 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:41:17,878 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-10-14 20:41:18,062 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:41:18,062 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-10-14 20:41:18,063 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:41:18,063 INFO L85 PathProgramCache]: Analyzing trace with hash -82811428, now seen corresponding path program 1 times [2024-10-14 20:41:18,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:41:18,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493126660] [2024-10-14 20:41:18,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:41:18,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:41:18,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:41:18,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 20:41:18,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:41:18,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 20:41:18,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:41:18,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 20:41:18,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:41:18,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-14 20:41:18,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:41:18,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-14 20:41:18,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:41:18,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-14 20:41:18,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:41:18,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-14 20:41:18,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:41:18,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-14 20:41:18,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:41:18,118 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-10-14 20:41:18,118 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:41:18,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1493126660] [2024-10-14 20:41:18,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1493126660] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:41:18,118 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:41:18,118 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 20:41:18,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [481864231] [2024-10-14 20:41:18,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:41:18,118 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 20:41:18,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:41:18,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 20:41:18,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 20:41:18,119 INFO L87 Difference]: Start difference. First operand 303 states and 398 transitions. Second operand has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-10-14 20:41:18,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:41:18,653 INFO L93 Difference]: Finished difference Result 325 states and 410 transitions. [2024-10-14 20:41:18,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 20:41:18,653 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 67 [2024-10-14 20:41:18,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:41:18,654 INFO L225 Difference]: With dead ends: 325 [2024-10-14 20:41:18,654 INFO L226 Difference]: Without dead ends: 323 [2024-10-14 20:41:18,655 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-10-14 20:41:18,655 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 264 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 268 SdHoareTripleChecker+Valid, 251 SdHoareTripleChecker+Invalid, 209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-14 20:41:18,655 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [268 Valid, 251 Invalid, 209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 193 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-14 20:41:18,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2024-10-14 20:41:18,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 305. [2024-10-14 20:41:18,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 305 states, 225 states have (on average 1.52) internal successors, (342), 274 states have internal predecessors, (342), 28 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2024-10-14 20:41:18,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 398 transitions. [2024-10-14 20:41:18,673 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 398 transitions. Word has length 67 [2024-10-14 20:41:18,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:41:18,673 INFO L471 AbstractCegarLoop]: Abstraction has 305 states and 398 transitions. [2024-10-14 20:41:18,674 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-10-14 20:41:18,674 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 398 transitions. [2024-10-14 20:41:18,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-10-14 20:41:18,674 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:41:18,674 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:41:18,674 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-10-14 20:41:18,674 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-10-14 20:41:18,675 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:41:18,675 INFO L85 PathProgramCache]: Analyzing trace with hash 1727813147, now seen corresponding path program 1 times [2024-10-14 20:41:18,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:41:18,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137057225] [2024-10-14 20:41:18,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:41:18,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:41:18,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:41:18,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 20:41:18,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:41:18,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 20:41:18,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:41:18,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 20:41:18,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:41:18,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-14 20:41:18,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:41:18,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-14 20:41:18,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:41:18,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-14 20:41:18,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:41:18,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-14 20:41:18,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:41:18,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-14 20:41:18,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:41:18,744 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-10-14 20:41:18,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:41:18,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [137057225] [2024-10-14 20:41:18,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [137057225] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:41:18,745 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:41:18,745 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 20:41:18,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155363182] [2024-10-14 20:41:18,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:41:18,745 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 20:41:18,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:41:18,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 20:41:18,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-14 20:41:18,746 INFO L87 Difference]: Start difference. First operand 305 states and 398 transitions. Second operand has 6 states, 5 states have (on average 6.8) internal successors, (34), 6 states have internal predecessors, (34), 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) [2024-10-14 20:41:19,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:41:19,090 INFO L93 Difference]: Finished difference Result 334 states and 406 transitions. [2024-10-14 20:41:19,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 20:41:19,093 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.8) internal successors, (34), 6 states have internal predecessors, (34), 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 68 [2024-10-14 20:41:19,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:41:19,094 INFO L225 Difference]: With dead ends: 334 [2024-10-14 20:41:19,094 INFO L226 Difference]: Without dead ends: 332 [2024-10-14 20:41:19,095 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-10-14 20:41:19,095 INFO L432 NwaCegarLoop]: 92 mSDtfsCounter, 338 mSDsluCounter, 310 mSDsCounter, 0 mSdLazyCounter, 237 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 342 SdHoareTripleChecker+Valid, 402 SdHoareTripleChecker+Invalid, 263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 237 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 20:41:19,095 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [342 Valid, 402 Invalid, 263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 237 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 20:41:19,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2024-10-14 20:41:19,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 305. [2024-10-14 20:41:19,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 305 states, 225 states have (on average 1.511111111111111) internal successors, (340), 274 states have internal predecessors, (340), 28 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2024-10-14 20:41:19,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 396 transitions. [2024-10-14 20:41:19,112 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 396 transitions. Word has length 68 [2024-10-14 20:41:19,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:41:19,112 INFO L471 AbstractCegarLoop]: Abstraction has 305 states and 396 transitions. [2024-10-14 20:41:19,116 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.8) internal successors, (34), 6 states have internal predecessors, (34), 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) [2024-10-14 20:41:19,116 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 396 transitions. [2024-10-14 20:41:19,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-10-14 20:41:19,117 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:41:19,117 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:41:19,117 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-10-14 20:41:19,117 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-10-14 20:41:19,118 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:41:19,118 INFO L85 PathProgramCache]: Analyzing trace with hash -1723905366, now seen corresponding path program 1 times [2024-10-14 20:41:19,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:41:19,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943053411] [2024-10-14 20:41:19,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:41:19,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:41:19,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:41:19,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 20:41:19,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:41:19,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 20:41:19,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:41:19,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 20:41:19,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:41:19,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-14 20:41:19,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:41:19,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-14 20:41:19,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:41:19,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-14 20:41:19,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:41:19,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-14 20:41:19,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:41:19,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-14 20:41:19,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:41:19,173 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-10-14 20:41:19,173 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:41:19,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1943053411] [2024-10-14 20:41:19,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1943053411] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:41:19,174 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:41:19,174 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 20:41:19,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1545206166] [2024-10-14 20:41:19,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:41:19,174 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 20:41:19,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:41:19,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 20:41:19,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 20:41:19,175 INFO L87 Difference]: Start difference. First operand 305 states and 396 transitions. Second operand has 3 states, 2 states have (on average 18.0) internal successors, (36), 3 states have internal predecessors, (36), 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) [2024-10-14 20:41:19,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:41:19,221 INFO L93 Difference]: Finished difference Result 390 states and 523 transitions. [2024-10-14 20:41:19,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 20:41:19,222 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 18.0) internal successors, (36), 3 states have internal predecessors, (36), 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 70 [2024-10-14 20:41:19,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:41:19,223 INFO L225 Difference]: With dead ends: 390 [2024-10-14 20:41:19,223 INFO L226 Difference]: Without dead ends: 389 [2024-10-14 20:41:19,223 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 20:41:19,224 INFO L432 NwaCegarLoop]: 122 mSDtfsCounter, 23 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 231 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 20:41:19,225 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 231 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 20:41:19,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2024-10-14 20:41:19,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 359. [2024-10-14 20:41:19,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 359 states, 271 states have (on average 1.5719557195571956) internal successors, (426), 320 states have internal predecessors, (426), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-10-14 20:41:19,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 359 states and 498 transitions. [2024-10-14 20:41:19,258 INFO L78 Accepts]: Start accepts. Automaton has 359 states and 498 transitions. Word has length 70 [2024-10-14 20:41:19,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:41:19,258 INFO L471 AbstractCegarLoop]: Abstraction has 359 states and 498 transitions. [2024-10-14 20:41:19,258 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 18.0) internal successors, (36), 3 states have internal predecessors, (36), 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) [2024-10-14 20:41:19,258 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 498 transitions. [2024-10-14 20:41:19,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-10-14 20:41:19,259 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:41:19,259 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:41:19,259 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-10-14 20:41:19,259 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-10-14 20:41:19,259 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:41:19,259 INFO L85 PathProgramCache]: Analyzing trace with hash -1901458655, now seen corresponding path program 1 times [2024-10-14 20:41:19,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:41:19,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1189889892] [2024-10-14 20:41:19,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:41:19,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:41:19,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:41:19,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 20:41:19,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:41:19,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 20:41:19,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:41:19,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 20:41:19,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:41:19,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-14 20:41:19,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:41:19,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-14 20:41:19,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:41:19,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-14 20:41:19,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:41:19,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-14 20:41:19,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:41:19,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-14 20:41:19,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:41:19,313 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-10-14 20:41:19,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:41:19,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1189889892] [2024-10-14 20:41:19,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1189889892] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:41:19,313 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:41:19,314 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 20:41:19,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769141140] [2024-10-14 20:41:19,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:41:19,314 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 20:41:19,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:41:19,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 20:41:19,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-14 20:41:19,315 INFO L87 Difference]: Start difference. First operand 359 states and 498 transitions. Second operand has 6 states, 5 states have (on average 7.4) internal successors, (37), 6 states have internal predecessors, (37), 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) [2024-10-14 20:41:19,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:41:19,541 INFO L93 Difference]: Finished difference Result 375 states and 498 transitions. [2024-10-14 20:41:19,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 20:41:19,542 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.4) internal successors, (37), 6 states have internal predecessors, (37), 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 71 [2024-10-14 20:41:19,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:41:19,543 INFO L225 Difference]: With dead ends: 375 [2024-10-14 20:41:19,543 INFO L226 Difference]: Without dead ends: 374 [2024-10-14 20:41:19,543 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-10-14 20:41:19,544 INFO L432 NwaCegarLoop]: 86 mSDtfsCounter, 214 mSDsluCounter, 260 mSDsCounter, 0 mSdLazyCounter, 227 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 218 SdHoareTripleChecker+Valid, 346 SdHoareTripleChecker+Invalid, 236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 227 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 20:41:19,544 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [218 Valid, 346 Invalid, 236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 227 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 20:41:19,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states. [2024-10-14 20:41:19,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 359. [2024-10-14 20:41:19,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 359 states, 271 states have (on average 1.5682656826568266) internal successors, (425), 320 states have internal predecessors, (425), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-10-14 20:41:19,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 359 states and 497 transitions. [2024-10-14 20:41:19,563 INFO L78 Accepts]: Start accepts. Automaton has 359 states and 497 transitions. Word has length 71 [2024-10-14 20:41:19,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:41:19,565 INFO L471 AbstractCegarLoop]: Abstraction has 359 states and 497 transitions. [2024-10-14 20:41:19,565 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.4) internal successors, (37), 6 states have internal predecessors, (37), 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) [2024-10-14 20:41:19,565 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 497 transitions. [2024-10-14 20:41:19,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-10-14 20:41:19,565 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:41:19,565 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:41:19,565 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-10-14 20:41:19,566 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-10-14 20:41:19,566 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:41:19,566 INFO L85 PathProgramCache]: Analyzing trace with hash 1184323980, now seen corresponding path program 1 times [2024-10-14 20:41:19,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:41:19,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970832925] [2024-10-14 20:41:19,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:41:19,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:41:19,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:41:19,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 20:41:19,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:41:19,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 20:41:19,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:41:19,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 20:41:19,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:41:19,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-14 20:41:19,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:41:19,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-14 20:41:19,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:41:19,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-14 20:41:19,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:41:19,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-14 20:41:19,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:41:19,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-14 20:41:19,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:41:19,616 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-10-14 20:41:19,616 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:41:19,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [970832925] [2024-10-14 20:41:19,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [970832925] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:41:19,616 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:41:19,617 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 20:41:19,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611044101] [2024-10-14 20:41:19,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:41:19,617 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 20:41:19,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:41:19,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 20:41:19,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:41:19,618 INFO L87 Difference]: Start difference. First operand 359 states and 497 transitions. Second operand has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 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) [2024-10-14 20:41:19,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:41:19,782 INFO L93 Difference]: Finished difference Result 418 states and 529 transitions. [2024-10-14 20:41:19,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 20:41:19,783 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 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 72 [2024-10-14 20:41:19,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:41:19,784 INFO L225 Difference]: With dead ends: 418 [2024-10-14 20:41:19,784 INFO L226 Difference]: Without dead ends: 414 [2024-10-14 20:41:19,784 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:41:19,785 INFO L432 NwaCegarLoop]: 121 mSDtfsCounter, 82 mSDsluCounter, 206 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 327 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 20:41:19,785 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 327 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 20:41:19,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 414 states. [2024-10-14 20:41:19,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 414 to 369. [2024-10-14 20:41:19,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 369 states, 281 states have (on average 1.5516014234875444) internal successors, (436), 330 states have internal predecessors, (436), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-10-14 20:41:19,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 369 states and 508 transitions. [2024-10-14 20:41:19,809 INFO L78 Accepts]: Start accepts. Automaton has 369 states and 508 transitions. Word has length 72 [2024-10-14 20:41:19,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:41:19,809 INFO L471 AbstractCegarLoop]: Abstraction has 369 states and 508 transitions. [2024-10-14 20:41:19,809 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 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) [2024-10-14 20:41:19,809 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 508 transitions. [2024-10-14 20:41:19,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-10-14 20:41:19,810 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:41:19,810 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 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] [2024-10-14 20:41:19,810 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-10-14 20:41:19,810 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-10-14 20:41:19,811 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:41:19,811 INFO L85 PathProgramCache]: Analyzing trace with hash 596258316, now seen corresponding path program 1 times [2024-10-14 20:41:19,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:41:19,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [17043782] [2024-10-14 20:41:19,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:41:19,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:41:19,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:41:19,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [637465881] [2024-10-14 20:41:19,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:41:19,825 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:41:19,825 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:41:19,826 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) [2024-10-14 20:41:19,827 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-10-14 20:41:19,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:41:19,865 INFO L255 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-14 20:41:19,865 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:41:20,000 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-10-14 20:41:20,000 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:41:20,000 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:41:20,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [17043782] [2024-10-14 20:41:20,000 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:41:20,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [637465881] [2024-10-14 20:41:20,000 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [637465881] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:41:20,001 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:41:20,002 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 20:41:20,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1043409560] [2024-10-14 20:41:20,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:41:20,002 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 20:41:20,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:41:20,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 20:41:20,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-10-14 20:41:20,003 INFO L87 Difference]: Start difference. First operand 369 states and 508 transitions. Second operand has 6 states, 5 states have (on average 9.4) internal successors, (47), 6 states have internal predecessors, (47), 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) [2024-10-14 20:41:20,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:41:20,188 INFO L93 Difference]: Finished difference Result 397 states and 517 transitions. [2024-10-14 20:41:20,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-14 20:41:20,189 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.4) internal successors, (47), 6 states have internal predecessors, (47), 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 81 [2024-10-14 20:41:20,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:41:20,190 INFO L225 Difference]: With dead ends: 397 [2024-10-14 20:41:20,190 INFO L226 Difference]: Without dead ends: 394 [2024-10-14 20:41:20,190 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2024-10-14 20:41:20,190 INFO L432 NwaCegarLoop]: 133 mSDtfsCounter, 82 mSDsluCounter, 200 mSDsCounter, 0 mSdLazyCounter, 154 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 333 SdHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 154 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 20:41:20,191 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 333 Invalid, 162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 154 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 20:41:20,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394 states. [2024-10-14 20:41:20,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394 to 369. [2024-10-14 20:41:20,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 369 states, 281 states have (on average 1.5373665480427046) internal successors, (432), 330 states have internal predecessors, (432), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-10-14 20:41:20,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 369 states and 504 transitions. [2024-10-14 20:41:20,214 INFO L78 Accepts]: Start accepts. Automaton has 369 states and 504 transitions. Word has length 81 [2024-10-14 20:41:20,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:41:20,215 INFO L471 AbstractCegarLoop]: Abstraction has 369 states and 504 transitions. [2024-10-14 20:41:20,215 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.4) internal successors, (47), 6 states have internal predecessors, (47), 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) [2024-10-14 20:41:20,215 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 504 transitions. [2024-10-14 20:41:20,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-10-14 20:41:20,215 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:41:20,215 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 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] [2024-10-14 20:41:20,227 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-10-14 20:41:20,416 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,SelfDestructingSolverStorable28 [2024-10-14 20:41:20,416 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-10-14 20:41:20,416 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:41:20,417 INFO L85 PathProgramCache]: Analyzing trace with hash 1304138771, now seen corresponding path program 1 times [2024-10-14 20:41:20,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:41:20,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330167442] [2024-10-14 20:41:20,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:41:20,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:41:20,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:41:20,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [413361189] [2024-10-14 20:41:20,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:41:20,439 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:41:20,439 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:41:20,443 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) [2024-10-14 20:41:20,444 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-10-14 20:41:20,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:41:20,493 INFO L255 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-14 20:41:20,495 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:41:20,641 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-10-14 20:41:20,642 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:41:21,278 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:41:21,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1330167442] [2024-10-14 20:41:21,278 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:41:21,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [413361189] [2024-10-14 20:41:21,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [413361189] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:41:21,279 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:41:21,279 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-10-14 20:41:21,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986208354] [2024-10-14 20:41:21,279 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-14 20:41:21,279 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 20:41:21,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:41:21,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 20:41:21,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-10-14 20:41:21,280 INFO L87 Difference]: Start difference. First operand 369 states and 504 transitions. Second operand has 6 states, 5 states have (on average 9.6) internal successors, (48), 6 states have internal predecessors, (48), 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) [2024-10-14 20:41:21,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:41:21,416 INFO L93 Difference]: Finished difference Result 478 states and 618 transitions. [2024-10-14 20:41:21,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 20:41:21,416 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.6) internal successors, (48), 6 states have internal predecessors, (48), 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 82 [2024-10-14 20:41:21,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:41:21,418 INFO L225 Difference]: With dead ends: 478 [2024-10-14 20:41:21,418 INFO L226 Difference]: Without dead ends: 477 [2024-10-14 20:41:21,419 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-10-14 20:41:21,419 INFO L432 NwaCegarLoop]: 109 mSDtfsCounter, 245 mSDsluCounter, 197 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 257 SdHoareTripleChecker+Valid, 306 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 20:41:21,419 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [257 Valid, 306 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 20:41:21,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 477 states. [2024-10-14 20:41:21,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 477 to 378. [2024-10-14 20:41:21,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 378 states, 290 states have (on average 1.5241379310344827) internal successors, (442), 339 states have internal predecessors, (442), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-10-14 20:41:21,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 378 states and 514 transitions. [2024-10-14 20:41:21,446 INFO L78 Accepts]: Start accepts. Automaton has 378 states and 514 transitions. Word has length 82 [2024-10-14 20:41:21,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:41:21,446 INFO L471 AbstractCegarLoop]: Abstraction has 378 states and 514 transitions. [2024-10-14 20:41:21,446 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.6) internal successors, (48), 6 states have internal predecessors, (48), 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) [2024-10-14 20:41:21,446 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 514 transitions. [2024-10-14 20:41:21,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-10-14 20:41:21,447 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:41:21,447 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 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] [2024-10-14 20:41:21,466 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2024-10-14 20:41:21,650 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:41:21,651 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-10-14 20:41:21,651 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:41:21,652 INFO L85 PathProgramCache]: Analyzing trace with hash -853086347, now seen corresponding path program 1 times [2024-10-14 20:41:21,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:41:21,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1817101719] [2024-10-14 20:41:21,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:41:21,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:41:21,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:41:21,663 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [520588716] [2024-10-14 20:41:21,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:41:21,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:41:21,663 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:41:21,667 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) [2024-10-14 20:41:21,671 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-10-14 20:41:21,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:41:21,717 INFO L255 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-14 20:41:21,718 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:41:21,936 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-10-14 20:41:21,936 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:41:21,936 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:41:21,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1817101719] [2024-10-14 20:41:21,936 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:41:21,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [520588716] [2024-10-14 20:41:21,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [520588716] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:41:21,936 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:41:21,936 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-14 20:41:21,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [420463841] [2024-10-14 20:41:21,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:41:21,937 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 20:41:21,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:41:21,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 20:41:21,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2024-10-14 20:41:21,937 INFO L87 Difference]: Start difference. First operand 378 states and 514 transitions. Second operand has 7 states, 6 states have (on average 8.333333333333334) internal successors, (50), 7 states have internal predecessors, (50), 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) [2024-10-14 20:41:22,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:41:22,325 INFO L93 Difference]: Finished difference Result 404 states and 522 transitions. [2024-10-14 20:41:22,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-14 20:41:22,326 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 8.333333333333334) internal successors, (50), 7 states have internal predecessors, (50), 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 84 [2024-10-14 20:41:22,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:41:22,327 INFO L225 Difference]: With dead ends: 404 [2024-10-14 20:41:22,327 INFO L226 Difference]: Without dead ends: 403 [2024-10-14 20:41:22,328 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-10-14 20:41:22,328 INFO L432 NwaCegarLoop]: 130 mSDtfsCounter, 56 mSDsluCounter, 358 mSDsCounter, 0 mSdLazyCounter, 355 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 488 SdHoareTripleChecker+Invalid, 360 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 355 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-14 20:41:22,328 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 488 Invalid, 360 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 355 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-14 20:41:22,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2024-10-14 20:41:22,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 379. [2024-10-14 20:41:22,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 379 states, 291 states have (on average 1.52233676975945) internal successors, (443), 340 states have internal predecessors, (443), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-10-14 20:41:22,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 515 transitions. [2024-10-14 20:41:22,352 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 515 transitions. Word has length 84 [2024-10-14 20:41:22,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:41:22,353 INFO L471 AbstractCegarLoop]: Abstraction has 379 states and 515 transitions. [2024-10-14 20:41:22,353 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 8.333333333333334) internal successors, (50), 7 states have internal predecessors, (50), 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) [2024-10-14 20:41:22,353 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 515 transitions. [2024-10-14 20:41:22,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-10-14 20:41:22,353 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:41:22,353 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 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] [2024-10-14 20:41:22,369 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2024-10-14 20:41:22,555 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:41:22,556 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-10-14 20:41:22,556 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:41:22,556 INFO L85 PathProgramCache]: Analyzing trace with hash -973826160, now seen corresponding path program 1 times [2024-10-14 20:41:22,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:41:22,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15671696] [2024-10-14 20:41:22,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:41:22,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:41:22,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:41:22,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2095613028] [2024-10-14 20:41:22,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:41:22,574 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:41:22,574 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:41:22,575 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) [2024-10-14 20:41:22,576 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-10-14 20:41:22,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:41:22,615 INFO L255 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-10-14 20:41:22,616 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:41:22,943 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-10-14 20:41:22,944 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:41:23,196 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:41:23,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [15671696] [2024-10-14 20:41:23,196 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:41:23,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2095613028] [2024-10-14 20:41:23,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2095613028] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:41:23,196 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:41:23,196 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-10-14 20:41:23,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037549083] [2024-10-14 20:41:23,197 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-14 20:41:23,197 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-14 20:41:23,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:41:23,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-14 20:41:23,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=225, Unknown=0, NotChecked=0, Total=272 [2024-10-14 20:41:23,198 INFO L87 Difference]: Start difference. First operand 379 states and 515 transitions. Second operand has 12 states, 11 states have (on average 5.090909090909091) internal successors, (56), 11 states have internal predecessors, (56), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-10-14 20:41:24,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:41:24,002 INFO L93 Difference]: Finished difference Result 637 states and 880 transitions. [2024-10-14 20:41:24,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-14 20:41:24,002 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.090909090909091) internal successors, (56), 11 states have internal predecessors, (56), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 87 [2024-10-14 20:41:24,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:41:24,004 INFO L225 Difference]: With dead ends: 637 [2024-10-14 20:41:24,004 INFO L226 Difference]: Without dead ends: 635 [2024-10-14 20:41:24,004 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=113, Invalid=487, Unknown=0, NotChecked=0, Total=600 [2024-10-14 20:41:24,005 INFO L432 NwaCegarLoop]: 107 mSDtfsCounter, 601 mSDsluCounter, 570 mSDsCounter, 0 mSdLazyCounter, 1144 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 605 SdHoareTripleChecker+Valid, 677 SdHoareTripleChecker+Invalid, 1191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 1144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-14 20:41:24,005 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [605 Valid, 677 Invalid, 1191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 1144 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-14 20:41:24,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 635 states. [2024-10-14 20:41:24,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 635 to 511. [2024-10-14 20:41:24,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 511 states, 407 states have (on average 1.5995085995085996) internal successors, (651), 456 states have internal predecessors, (651), 52 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-10-14 20:41:24,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 511 states and 755 transitions. [2024-10-14 20:41:24,033 INFO L78 Accepts]: Start accepts. Automaton has 511 states and 755 transitions. Word has length 87 [2024-10-14 20:41:24,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:41:24,034 INFO L471 AbstractCegarLoop]: Abstraction has 511 states and 755 transitions. [2024-10-14 20:41:24,034 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.090909090909091) internal successors, (56), 11 states have internal predecessors, (56), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-10-14 20:41:24,034 INFO L276 IsEmpty]: Start isEmpty. Operand 511 states and 755 transitions. [2024-10-14 20:41:24,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-10-14 20:41:24,034 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:41:24,034 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 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] [2024-10-14 20:41:24,047 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2024-10-14 20:41:24,238 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:41:24,239 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-10-14 20:41:24,239 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:41:24,239 INFO L85 PathProgramCache]: Analyzing trace with hash -123839718, now seen corresponding path program 1 times [2024-10-14 20:41:24,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:41:24,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824005072] [2024-10-14 20:41:24,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:41:24,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:41:24,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:41:24,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [547837062] [2024-10-14 20:41:24,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:41:24,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:41:24,253 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:41:24,254 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) [2024-10-14 20:41:24,255 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-10-14 20:41:24,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:41:24,294 INFO L255 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-10-14 20:41:24,295 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:41:24,569 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-10-14 20:41:24,569 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:41:25,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:41:25,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824005072] [2024-10-14 20:41:25,671 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:41:25,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [547837062] [2024-10-14 20:41:25,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [547837062] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:41:25,672 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:41:25,672 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-10-14 20:41:25,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [487731964] [2024-10-14 20:41:25,672 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-14 20:41:25,672 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-14 20:41:25,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:41:25,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-14 20:41:25,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=225, Unknown=0, NotChecked=0, Total=272 [2024-10-14 20:41:25,673 INFO L87 Difference]: Start difference. First operand 511 states and 755 transitions. Second operand has 12 states, 11 states have (on average 5.181818181818182) internal successors, (57), 11 states have internal predecessors, (57), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-10-14 20:41:26,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:41:26,492 INFO L93 Difference]: Finished difference Result 637 states and 875 transitions. [2024-10-14 20:41:26,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-14 20:41:26,496 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.181818181818182) internal successors, (57), 11 states have internal predecessors, (57), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 88 [2024-10-14 20:41:26,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:41:26,498 INFO L225 Difference]: With dead ends: 637 [2024-10-14 20:41:26,498 INFO L226 Difference]: Without dead ends: 635 [2024-10-14 20:41:26,499 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=113, Invalid=487, Unknown=0, NotChecked=0, Total=600 [2024-10-14 20:41:26,499 INFO L432 NwaCegarLoop]: 104 mSDtfsCounter, 622 mSDsluCounter, 524 mSDsCounter, 0 mSdLazyCounter, 1146 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 626 SdHoareTripleChecker+Valid, 628 SdHoareTripleChecker+Invalid, 1193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 1146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-14 20:41:26,499 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [626 Valid, 628 Invalid, 1193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 1146 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-14 20:41:26,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 635 states. [2024-10-14 20:41:26,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 635 to 512. [2024-10-14 20:41:26,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 512 states, 408 states have (on average 1.588235294117647) internal successors, (648), 457 states have internal predecessors, (648), 52 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-10-14 20:41:26,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 512 states and 752 transitions. [2024-10-14 20:41:26,525 INFO L78 Accepts]: Start accepts. Automaton has 512 states and 752 transitions. Word has length 88 [2024-10-14 20:41:26,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:41:26,525 INFO L471 AbstractCegarLoop]: Abstraction has 512 states and 752 transitions. [2024-10-14 20:41:26,525 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.181818181818182) internal successors, (57), 11 states have internal predecessors, (57), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-10-14 20:41:26,525 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 752 transitions. [2024-10-14 20:41:26,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-10-14 20:41:26,527 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:41:26,528 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 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] [2024-10-14 20:41:26,539 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2024-10-14 20:41:26,731 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:41:26,732 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-10-14 20:41:26,732 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:41:26,732 INFO L85 PathProgramCache]: Analyzing trace with hash 455936210, now seen corresponding path program 1 times [2024-10-14 20:41:26,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:41:26,732 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [435612511] [2024-10-14 20:41:26,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:41:26,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:41:26,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:41:26,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [950591857] [2024-10-14 20:41:26,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:41:26,749 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:41:26,749 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:41:26,752 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) [2024-10-14 20:41:26,754 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-10-14 20:41:26,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:41:26,795 INFO L255 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-10-14 20:41:26,796 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:41:27,112 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-10-14 20:41:27,113 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:41:31,412 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:41:31,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [435612511] [2024-10-14 20:41:31,412 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:41:31,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [950591857] [2024-10-14 20:41:31,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [950591857] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:41:31,413 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:41:31,413 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2024-10-14 20:41:31,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157142254] [2024-10-14 20:41:31,413 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-14 20:41:31,413 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-14 20:41:31,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:41:31,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-14 20:41:31,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=277, Unknown=1, NotChecked=0, Total=342 [2024-10-14 20:41:31,414 INFO L87 Difference]: Start difference. First operand 512 states and 752 transitions. Second operand has 13 states, 12 states have (on average 4.833333333333333) internal successors, (58), 12 states have internal predecessors, (58), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-10-14 20:41:32,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:41:32,504 INFO L93 Difference]: Finished difference Result 645 states and 884 transitions. [2024-10-14 20:41:32,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-14 20:41:32,504 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.833333333333333) internal successors, (58), 12 states have internal predecessors, (58), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 89 [2024-10-14 20:41:32,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:41:32,506 INFO L225 Difference]: With dead ends: 645 [2024-10-14 20:41:32,506 INFO L226 Difference]: Without dead ends: 643 [2024-10-14 20:41:32,507 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=149, Invalid=606, Unknown=1, NotChecked=0, Total=756 [2024-10-14 20:41:32,507 INFO L432 NwaCegarLoop]: 108 mSDtfsCounter, 539 mSDsluCounter, 764 mSDsCounter, 0 mSdLazyCounter, 1760 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 543 SdHoareTripleChecker+Valid, 872 SdHoareTripleChecker+Invalid, 1799 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 1760 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-14 20:41:32,507 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [543 Valid, 872 Invalid, 1799 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 1760 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-14 20:41:32,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 643 states. [2024-10-14 20:41:32,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 643 to 513. [2024-10-14 20:41:32,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 513 states, 409 states have (on average 1.5770171149144254) internal successors, (645), 458 states have internal predecessors, (645), 52 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-10-14 20:41:32,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 513 states and 749 transitions. [2024-10-14 20:41:32,543 INFO L78 Accepts]: Start accepts. Automaton has 513 states and 749 transitions. Word has length 89 [2024-10-14 20:41:32,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:41:32,543 INFO L471 AbstractCegarLoop]: Abstraction has 513 states and 749 transitions. [2024-10-14 20:41:32,544 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.833333333333333) internal successors, (58), 12 states have internal predecessors, (58), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-10-14 20:41:32,544 INFO L276 IsEmpty]: Start isEmpty. Operand 513 states and 749 transitions. [2024-10-14 20:41:32,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-10-14 20:41:32,544 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:41:32,545 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 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] [2024-10-14 20:41:32,560 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2024-10-14 20:41:32,748 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,SelfDestructingSolverStorable33 [2024-10-14 20:41:32,749 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-10-14 20:41:32,749 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:41:32,749 INFO L85 PathProgramCache]: Analyzing trace with hash 1249120796, now seen corresponding path program 1 times [2024-10-14 20:41:32,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:41:32,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594803111] [2024-10-14 20:41:32,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:41:32,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:41:32,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:41:32,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [920257180] [2024-10-14 20:41:32,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:41:32,764 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:41:32,764 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:41:32,765 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) [2024-10-14 20:41:32,765 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-10-14 20:41:32,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:41:32,814 INFO L255 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-10-14 20:41:32,816 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:41:33,201 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-10-14 20:41:33,201 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:41:38,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:41:38,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1594803111] [2024-10-14 20:41:38,607 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:41:38,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [920257180] [2024-10-14 20:41:38,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [920257180] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:41:38,607 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:41:38,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2024-10-14 20:41:38,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938376558] [2024-10-14 20:41:38,607 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-14 20:41:38,608 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-14 20:41:38,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:41:38,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-14 20:41:38,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=273, Unknown=1, NotChecked=0, Total=342 [2024-10-14 20:41:38,608 INFO L87 Difference]: Start difference. First operand 513 states and 749 transitions. Second operand has 13 states, 12 states have (on average 4.916666666666667) internal successors, (59), 12 states have internal predecessors, (59), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-10-14 20:41:39,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:41:39,559 INFO L93 Difference]: Finished difference Result 723 states and 979 transitions. [2024-10-14 20:41:39,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-14 20:41:39,559 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.916666666666667) internal successors, (59), 12 states have internal predecessors, (59), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 90 [2024-10-14 20:41:39,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:41:39,561 INFO L225 Difference]: With dead ends: 723 [2024-10-14 20:41:39,561 INFO L226 Difference]: Without dead ends: 721 [2024-10-14 20:41:39,562 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=195, Invalid=674, Unknown=1, NotChecked=0, Total=870 [2024-10-14 20:41:39,562 INFO L432 NwaCegarLoop]: 104 mSDtfsCounter, 721 mSDsluCounter, 630 mSDsCounter, 0 mSdLazyCounter, 1410 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 725 SdHoareTripleChecker+Valid, 734 SdHoareTripleChecker+Invalid, 1465 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 1410 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-14 20:41:39,562 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [725 Valid, 734 Invalid, 1465 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 1410 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-14 20:41:39,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 721 states. [2024-10-14 20:41:39,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 721 to 514. [2024-10-14 20:41:39,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 514 states, 410 states have (on average 1.5658536585365854) internal successors, (642), 459 states have internal predecessors, (642), 52 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-10-14 20:41:39,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 514 states and 746 transitions. [2024-10-14 20:41:39,589 INFO L78 Accepts]: Start accepts. Automaton has 514 states and 746 transitions. Word has length 90 [2024-10-14 20:41:39,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:41:39,590 INFO L471 AbstractCegarLoop]: Abstraction has 514 states and 746 transitions. [2024-10-14 20:41:39,590 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.916666666666667) internal successors, (59), 12 states have internal predecessors, (59), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-10-14 20:41:39,590 INFO L276 IsEmpty]: Start isEmpty. Operand 514 states and 746 transitions. [2024-10-14 20:41:39,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-10-14 20:41:39,590 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:41:39,590 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 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] [2024-10-14 20:41:39,603 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2024-10-14 20:41:39,791 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,SelfDestructingSolverStorable34 [2024-10-14 20:41:39,791 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-10-14 20:41:39,791 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:41:39,791 INFO L85 PathProgramCache]: Analyzing trace with hash 1247677153, now seen corresponding path program 1 times [2024-10-14 20:41:39,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:41:39,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58896718] [2024-10-14 20:41:39,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:41:39,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:41:39,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:41:39,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 20:41:39,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:41:39,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 20:41:39,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:41:39,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 20:41:39,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:41:39,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-14 20:41:39,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:41:39,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-14 20:41:39,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:41:39,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-14 20:41:39,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:41:39,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-14 20:41:39,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:41:39,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-14 20:41:39,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:41:39,962 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 11 proven. 8 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-10-14 20:41:39,962 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:41:39,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [58896718] [2024-10-14 20:41:39,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [58896718] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:41:39,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2087807321] [2024-10-14 20:41:39,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:41:39,962 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:41:39,963 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:41:39,964 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) [2024-10-14 20:41:39,965 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-10-14 20:41:40,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:41:40,007 INFO L255 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-10-14 20:41:40,008 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:41:40,150 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 8 proven. 11 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-10-14 20:41:40,151 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:41:40,329 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 8 proven. 11 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-10-14 20:41:40,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2087807321] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:41:40,329 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 20:41:40,329 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11, 11] total 20 [2024-10-14 20:41:40,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2111669369] [2024-10-14 20:41:40,329 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 20:41:40,330 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-10-14 20:41:40,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:41:40,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-10-14 20:41:40,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=323, Unknown=0, NotChecked=0, Total=380 [2024-10-14 20:41:40,331 INFO L87 Difference]: Start difference. First operand 514 states and 746 transitions. Second operand has 20 states, 20 states have (on average 5.95) internal successors, (119), 19 states have internal predecessors, (119), 7 states have call successors, (22), 1 states have call predecessors, (22), 2 states have return successors, (24), 7 states have call predecessors, (24), 7 states have call successors, (24) [2024-10-14 20:41:41,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:41:41,512 INFO L93 Difference]: Finished difference Result 1044 states and 1417 transitions. [2024-10-14 20:41:41,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-10-14 20:41:41,512 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 5.95) internal successors, (119), 19 states have internal predecessors, (119), 7 states have call successors, (22), 1 states have call predecessors, (22), 2 states have return successors, (24), 7 states have call predecessors, (24), 7 states have call successors, (24) Word has length 90 [2024-10-14 20:41:41,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:41:41,514 INFO L225 Difference]: With dead ends: 1044 [2024-10-14 20:41:41,514 INFO L226 Difference]: Without dead ends: 625 [2024-10-14 20:41:41,515 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 237 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 679 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=611, Invalid=2145, Unknown=0, NotChecked=0, Total=2756 [2024-10-14 20:41:41,516 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 1432 mSDsluCounter, 375 mSDsCounter, 0 mSdLazyCounter, 988 mSolverCounterSat, 110 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1432 SdHoareTripleChecker+Valid, 444 SdHoareTripleChecker+Invalid, 1098 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 110 IncrementalHoareTripleChecker+Valid, 988 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-14 20:41:41,516 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1432 Valid, 444 Invalid, 1098 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [110 Valid, 988 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-14 20:41:41,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 625 states. [2024-10-14 20:41:41,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 625 to 511. [2024-10-14 20:41:41,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 511 states, 411 states have (on average 1.4841849148418491) internal successors, (610), 460 states have internal predecessors, (610), 48 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-10-14 20:41:41,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 511 states and 706 transitions. [2024-10-14 20:41:41,544 INFO L78 Accepts]: Start accepts. Automaton has 511 states and 706 transitions. Word has length 90 [2024-10-14 20:41:41,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:41:41,544 INFO L471 AbstractCegarLoop]: Abstraction has 511 states and 706 transitions. [2024-10-14 20:41:41,544 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 5.95) internal successors, (119), 19 states have internal predecessors, (119), 7 states have call successors, (22), 1 states have call predecessors, (22), 2 states have return successors, (24), 7 states have call predecessors, (24), 7 states have call successors, (24) [2024-10-14 20:41:41,544 INFO L276 IsEmpty]: Start isEmpty. Operand 511 states and 706 transitions. [2024-10-14 20:41:41,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-10-14 20:41:41,545 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:41:41,545 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 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] [2024-10-14 20:41:41,557 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2024-10-14 20:41:41,748 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2024-10-14 20:41:41,749 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-10-14 20:41:41,749 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:41:41,749 INFO L85 PathProgramCache]: Analyzing trace with hash 68039188, now seen corresponding path program 1 times [2024-10-14 20:41:41,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:41:41,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1455955197] [2024-10-14 20:41:41,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:41:41,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:41:41,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:41:41,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [35231437] [2024-10-14 20:41:41,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:41:41,762 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:41:41,762 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:41:41,766 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) [2024-10-14 20:41:41,767 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-10-14 20:41:41,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:41:41,810 INFO L255 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-10-14 20:41:41,811 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:41:42,179 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-10-14 20:41:42,179 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:41:47,642 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:41:47,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1455955197] [2024-10-14 20:41:47,643 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:41:47,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [35231437] [2024-10-14 20:41:47,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [35231437] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:41:47,643 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:41:47,643 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2024-10-14 20:41:47,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [286612821] [2024-10-14 20:41:47,643 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-14 20:41:47,643 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-14 20:41:47,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:41:47,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-14 20:41:47,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=285, Unknown=1, NotChecked=0, Total=342 [2024-10-14 20:41:47,644 INFO L87 Difference]: Start difference. First operand 511 states and 706 transitions. Second operand has 13 states, 12 states have (on average 5.0) internal successors, (60), 12 states have internal predecessors, (60), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-10-14 20:41:48,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:41:48,572 INFO L93 Difference]: Finished difference Result 606 states and 809 transitions. [2024-10-14 20:41:48,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-14 20:41:48,573 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.0) internal successors, (60), 12 states have internal predecessors, (60), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 91 [2024-10-14 20:41:48,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:41:48,575 INFO L225 Difference]: With dead ends: 606 [2024-10-14 20:41:48,575 INFO L226 Difference]: Without dead ends: 605 [2024-10-14 20:41:48,575 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=133, Invalid=622, Unknown=1, NotChecked=0, Total=756 [2024-10-14 20:41:48,576 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 509 mSDsluCounter, 438 mSDsCounter, 0 mSdLazyCounter, 1040 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 513 SdHoareTripleChecker+Valid, 513 SdHoareTripleChecker+Invalid, 1082 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 1040 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-14 20:41:48,576 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [513 Valid, 513 Invalid, 1082 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 1040 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-14 20:41:48,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 605 states. [2024-10-14 20:41:48,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 605 to 512. [2024-10-14 20:41:48,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 512 states, 412 states have (on average 1.483009708737864) internal successors, (611), 461 states have internal predecessors, (611), 48 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-10-14 20:41:48,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 512 states and 707 transitions. [2024-10-14 20:41:48,619 INFO L78 Accepts]: Start accepts. Automaton has 512 states and 707 transitions. Word has length 91 [2024-10-14 20:41:48,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:41:48,619 INFO L471 AbstractCegarLoop]: Abstraction has 512 states and 707 transitions. [2024-10-14 20:41:48,619 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.0) internal successors, (60), 12 states have internal predecessors, (60), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-10-14 20:41:48,619 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 707 transitions. [2024-10-14 20:41:48,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-10-14 20:41:48,620 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:41:48,620 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 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] [2024-10-14 20:41:48,633 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2024-10-14 20:41:48,820 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36,29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:41:48,821 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-10-14 20:41:48,821 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:41:48,821 INFO L85 PathProgramCache]: Analyzing trace with hash 2109215006, now seen corresponding path program 1 times [2024-10-14 20:41:48,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:41:48,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851172370] [2024-10-14 20:41:48,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:41:48,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:41:48,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:41:48,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [818641611] [2024-10-14 20:41:48,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:41:48,831 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:41:48,831 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:41:48,832 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:41:48,833 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-10-14 20:41:48,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:41:48,876 INFO L255 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-10-14 20:41:48,877 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:41:49,203 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-10-14 20:41:49,203 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:41:55,042 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:41:55,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1851172370] [2024-10-14 20:41:55,043 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:41:55,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [818641611] [2024-10-14 20:41:55,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [818641611] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:41:55,043 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:41:55,043 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2024-10-14 20:41:55,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [875917568] [2024-10-14 20:41:55,043 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-14 20:41:55,043 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-14 20:41:55,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:41:55,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-14 20:41:55,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=347, Unknown=1, NotChecked=0, Total=420 [2024-10-14 20:41:55,044 INFO L87 Difference]: Start difference. First operand 512 states and 707 transitions. Second operand has 14 states, 13 states have (on average 4.6923076923076925) internal successors, (61), 13 states have internal predecessors, (61), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-10-14 20:41:55,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:41:55,854 INFO L93 Difference]: Finished difference Result 606 states and 808 transitions. [2024-10-14 20:41:55,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-14 20:41:55,855 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 4.6923076923076925) internal successors, (61), 13 states have internal predecessors, (61), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 92 [2024-10-14 20:41:55,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:41:55,856 INFO L225 Difference]: With dead ends: 606 [2024-10-14 20:41:55,856 INFO L226 Difference]: Without dead ends: 605 [2024-10-14 20:41:55,857 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 103 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=166, Invalid=763, Unknown=1, NotChecked=0, Total=930 [2024-10-14 20:41:55,857 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 514 mSDsluCounter, 498 mSDsCounter, 0 mSdLazyCounter, 1127 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 518 SdHoareTripleChecker+Valid, 574 SdHoareTripleChecker+Invalid, 1170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 1127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-14 20:41:55,857 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [518 Valid, 574 Invalid, 1170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 1127 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-14 20:41:55,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 605 states. [2024-10-14 20:41:55,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 605 to 513. [2024-10-14 20:41:55,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 513 states, 413 states have (on average 1.4818401937046004) internal successors, (612), 462 states have internal predecessors, (612), 48 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-10-14 20:41:55,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 513 states and 708 transitions. [2024-10-14 20:41:55,886 INFO L78 Accepts]: Start accepts. Automaton has 513 states and 708 transitions. Word has length 92 [2024-10-14 20:41:55,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:41:55,886 INFO L471 AbstractCegarLoop]: Abstraction has 513 states and 708 transitions. [2024-10-14 20:41:55,886 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 4.6923076923076925) internal successors, (61), 13 states have internal predecessors, (61), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-10-14 20:41:55,886 INFO L276 IsEmpty]: Start isEmpty. Operand 513 states and 708 transitions. [2024-10-14 20:41:55,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-10-14 20:41:55,887 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:41:55,887 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 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] [2024-10-14 20:41:55,899 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2024-10-14 20:41:56,087 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2024-10-14 20:41:56,088 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-10-14 20:41:56,089 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:41:56,089 INFO L85 PathProgramCache]: Analyzing trace with hash 961155926, now seen corresponding path program 1 times [2024-10-14 20:41:56,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:41:56,089 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500562892] [2024-10-14 20:41:56,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:41:56,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:41:56,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:41:56,101 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [164413182] [2024-10-14 20:41:56,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:41:56,101 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:41:56,102 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:41:56,103 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:41:56,104 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2024-10-14 20:41:56,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:41:56,142 INFO L255 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-14 20:41:56,143 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:41:56,369 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-10-14 20:41:56,370 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:41:56,464 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:41:56,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [500562892] [2024-10-14 20:41:56,464 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:41:56,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [164413182] [2024-10-14 20:41:56,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [164413182] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:41:56,464 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:41:56,464 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-10-14 20:41:56,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427276613] [2024-10-14 20:41:56,464 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-14 20:41:56,464 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-14 20:41:56,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:41:56,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-14 20:41:56,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2024-10-14 20:41:56,465 INFO L87 Difference]: Start difference. First operand 513 states and 708 transitions. Second operand has 9 states, 8 states have (on average 7.75) internal successors, (62), 8 states have internal predecessors, (62), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-10-14 20:41:56,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:41:56,904 INFO L93 Difference]: Finished difference Result 560 states and 739 transitions. [2024-10-14 20:41:56,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-14 20:41:56,905 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 7.75) internal successors, (62), 8 states have internal predecessors, (62), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 93 [2024-10-14 20:41:56,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:41:56,906 INFO L225 Difference]: With dead ends: 560 [2024-10-14 20:41:56,906 INFO L226 Difference]: Without dead ends: 559 [2024-10-14 20:41:56,906 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2024-10-14 20:41:56,907 INFO L432 NwaCegarLoop]: 94 mSDtfsCounter, 271 mSDsluCounter, 478 mSDsCounter, 0 mSdLazyCounter, 628 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 279 SdHoareTripleChecker+Valid, 572 SdHoareTripleChecker+Invalid, 640 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 628 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-14 20:41:56,907 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [279 Valid, 572 Invalid, 640 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 628 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-14 20:41:56,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 559 states. [2024-10-14 20:41:56,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 559 to 522. [2024-10-14 20:41:56,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 522 states, 422 states have (on average 1.485781990521327) internal successors, (627), 471 states have internal predecessors, (627), 48 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-10-14 20:41:56,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 522 states and 723 transitions. [2024-10-14 20:41:56,944 INFO L78 Accepts]: Start accepts. Automaton has 522 states and 723 transitions. Word has length 93 [2024-10-14 20:41:56,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:41:56,944 INFO L471 AbstractCegarLoop]: Abstraction has 522 states and 723 transitions. [2024-10-14 20:41:56,945 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 7.75) internal successors, (62), 8 states have internal predecessors, (62), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-10-14 20:41:56,945 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 723 transitions. [2024-10-14 20:41:56,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-10-14 20:41:56,945 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:41:56,945 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 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] [2024-10-14 20:41:56,957 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2024-10-14 20:41:57,146 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2024-10-14 20:41:57,146 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-10-14 20:41:57,146 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:41:57,146 INFO L85 PathProgramCache]: Analyzing trace with hash -268937184, now seen corresponding path program 1 times [2024-10-14 20:41:57,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:41:57,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [855970253] [2024-10-14 20:41:57,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:41:57,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:41:57,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:41:57,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [145715084] [2024-10-14 20:41:57,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:41:57,154 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:41:57,155 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:41:57,156 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:41:57,157 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2024-10-14 20:41:57,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:41:57,195 INFO L255 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-14 20:41:57,196 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:41:57,422 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-10-14 20:41:57,423 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:41:58,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:41:58,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [855970253] [2024-10-14 20:41:58,166 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:41:58,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [145715084] [2024-10-14 20:41:58,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [145715084] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:41:58,166 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:41:58,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-10-14 20:41:58,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575819781] [2024-10-14 20:41:58,166 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-14 20:41:58,166 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-14 20:41:58,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:41:58,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-14 20:41:58,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2024-10-14 20:41:58,167 INFO L87 Difference]: Start difference. First operand 522 states and 723 transitions. Second operand has 9 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-10-14 20:41:58,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:41:58,701 INFO L93 Difference]: Finished difference Result 560 states and 738 transitions. [2024-10-14 20:41:58,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-14 20:41:58,702 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 94 [2024-10-14 20:41:58,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:41:58,704 INFO L225 Difference]: With dead ends: 560 [2024-10-14 20:41:58,704 INFO L226 Difference]: Without dead ends: 559 [2024-10-14 20:41:58,704 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2024-10-14 20:41:58,704 INFO L432 NwaCegarLoop]: 94 mSDtfsCounter, 272 mSDsluCounter, 461 mSDsCounter, 0 mSdLazyCounter, 608 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 280 SdHoareTripleChecker+Valid, 555 SdHoareTripleChecker+Invalid, 620 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 608 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-14 20:41:58,704 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [280 Valid, 555 Invalid, 620 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 608 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-14 20:41:58,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 559 states. [2024-10-14 20:41:58,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 559 to 523. [2024-10-14 20:41:58,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 523 states, 423 states have (on average 1.4846335697399526) internal successors, (628), 472 states have internal predecessors, (628), 48 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-10-14 20:41:58,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 523 states and 724 transitions. [2024-10-14 20:41:58,733 INFO L78 Accepts]: Start accepts. Automaton has 523 states and 724 transitions. Word has length 94 [2024-10-14 20:41:58,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:41:58,733 INFO L471 AbstractCegarLoop]: Abstraction has 523 states and 724 transitions. [2024-10-14 20:41:58,733 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-10-14 20:41:58,733 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 724 transitions. [2024-10-14 20:41:58,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-10-14 20:41:58,734 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:41:58,734 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 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] [2024-10-14 20:41:58,745 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Ended with exit code 0 [2024-10-14 20:41:58,934 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2024-10-14 20:41:58,934 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-10-14 20:41:58,935 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:41:58,935 INFO L85 PathProgramCache]: Analyzing trace with hash 252882072, now seen corresponding path program 1 times [2024-10-14 20:41:58,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:41:58,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000808468] [2024-10-14 20:41:58,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:41:58,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:41:58,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:41:58,949 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [305325592] [2024-10-14 20:41:58,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:41:58,949 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:41:58,956 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:41:58,957 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:41:58,958 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2024-10-14 20:41:58,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:41:59,000 INFO L255 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-14 20:41:59,001 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:41:59,368 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-10-14 20:41:59,368 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:42:00,500 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:42:00,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1000808468] [2024-10-14 20:42:00,501 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:42:00,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [305325592] [2024-10-14 20:42:00,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [305325592] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:42:00,501 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:42:00,501 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-10-14 20:42:00,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [225689843] [2024-10-14 20:42:00,501 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-14 20:42:00,501 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-14 20:42:00,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:42:00,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-14 20:42:00,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2024-10-14 20:42:00,502 INFO L87 Difference]: Start difference. First operand 523 states and 724 transitions. Second operand has 10 states, 9 states have (on average 7.111111111111111) internal successors, (64), 9 states have internal predecessors, (64), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-10-14 20:42:01,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:42:01,642 INFO L93 Difference]: Finished difference Result 560 states and 737 transitions. [2024-10-14 20:42:01,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-14 20:42:01,643 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.111111111111111) internal successors, (64), 9 states have internal predecessors, (64), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 95 [2024-10-14 20:42:01,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:42:01,644 INFO L225 Difference]: With dead ends: 560 [2024-10-14 20:42:01,644 INFO L226 Difference]: Without dead ends: 559 [2024-10-14 20:42:01,644 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=81, Invalid=261, Unknown=0, NotChecked=0, Total=342 [2024-10-14 20:42:01,645 INFO L432 NwaCegarLoop]: 92 mSDtfsCounter, 263 mSDsluCounter, 533 mSDsCounter, 0 mSdLazyCounter, 796 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 271 SdHoareTripleChecker+Valid, 625 SdHoareTripleChecker+Invalid, 808 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 796 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-14 20:42:01,645 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [271 Valid, 625 Invalid, 808 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 796 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-14 20:42:01,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 559 states. [2024-10-14 20:42:01,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 559 to 524. [2024-10-14 20:42:01,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 524 states, 424 states have (on average 1.4834905660377358) internal successors, (629), 473 states have internal predecessors, (629), 48 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-10-14 20:42:01,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 524 states and 725 transitions. [2024-10-14 20:42:01,675 INFO L78 Accepts]: Start accepts. Automaton has 524 states and 725 transitions. Word has length 95 [2024-10-14 20:42:01,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:42:01,675 INFO L471 AbstractCegarLoop]: Abstraction has 524 states and 725 transitions. [2024-10-14 20:42:01,675 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.111111111111111) internal successors, (64), 9 states have internal predecessors, (64), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-10-14 20:42:01,675 INFO L276 IsEmpty]: Start isEmpty. Operand 524 states and 725 transitions. [2024-10-14 20:42:01,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-10-14 20:42:01,676 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:42:01,676 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 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] [2024-10-14 20:42:01,688 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0 [2024-10-14 20:42:01,880 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,33 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:42:01,881 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-10-14 20:42:01,881 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:42:01,881 INFO L85 PathProgramCache]: Analyzing trace with hash -750590174, now seen corresponding path program 1 times [2024-10-14 20:42:01,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:42:01,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413517374] [2024-10-14 20:42:01,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:42:01,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:42:01,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:42:01,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1413273642] [2024-10-14 20:42:01,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:42:01,892 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:42:01,892 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:42:01,894 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:42:01,895 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2024-10-14 20:42:01,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:42:01,934 INFO L255 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-10-14 20:42:01,935 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:42:02,613 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-10-14 20:42:02,614 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:42:08,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:42:08,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413517374] [2024-10-14 20:42:08,727 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:42:08,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1413273642] [2024-10-14 20:42:08,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1413273642] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:42:08,727 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:42:08,727 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2024-10-14 20:42:08,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699333021] [2024-10-14 20:42:08,727 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-14 20:42:08,727 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-14 20:42:08,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:42:08,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-14 20:42:08,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=350, Unknown=1, NotChecked=0, Total=420 [2024-10-14 20:42:08,728 INFO L87 Difference]: Start difference. First operand 524 states and 725 transitions. Second operand has 14 states, 13 states have (on average 5.0) internal successors, (65), 13 states have internal predecessors, (65), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-10-14 20:42:09,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:42:09,497 INFO L93 Difference]: Finished difference Result 613 states and 821 transitions. [2024-10-14 20:42:09,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-14 20:42:09,498 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 5.0) internal successors, (65), 13 states have internal predecessors, (65), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 96 [2024-10-14 20:42:09,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:42:09,499 INFO L225 Difference]: With dead ends: 613 [2024-10-14 20:42:09,499 INFO L226 Difference]: Without dead ends: 612 [2024-10-14 20:42:09,500 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=104, Invalid=495, Unknown=1, NotChecked=0, Total=600 [2024-10-14 20:42:09,500 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 458 mSDsluCounter, 320 mSDsCounter, 0 mSdLazyCounter, 1050 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 466 SdHoareTripleChecker+Valid, 396 SdHoareTripleChecker+Invalid, 1084 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 1050 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-14 20:42:09,500 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [466 Valid, 396 Invalid, 1084 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 1050 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-14 20:42:09,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 612 states. [2024-10-14 20:42:09,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 612 to 528. [2024-10-14 20:42:09,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 528 states, 428 states have (on average 1.4789719626168225) internal successors, (633), 477 states have internal predecessors, (633), 48 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-10-14 20:42:09,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 729 transitions. [2024-10-14 20:42:09,544 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 729 transitions. Word has length 96 [2024-10-14 20:42:09,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:42:09,545 INFO L471 AbstractCegarLoop]: Abstraction has 528 states and 729 transitions. [2024-10-14 20:42:09,545 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 5.0) internal successors, (65), 13 states have internal predecessors, (65), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-10-14 20:42:09,545 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 729 transitions. [2024-10-14 20:42:09,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-10-14 20:42:09,545 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:42:09,545 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 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] [2024-10-14 20:42:09,561 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Ended with exit code 0 [2024-10-14 20:42:09,746 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable41 [2024-10-14 20:42:09,746 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-10-14 20:42:09,746 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:42:09,746 INFO L85 PathProgramCache]: Analyzing trace with hash -1793458726, now seen corresponding path program 1 times [2024-10-14 20:42:09,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:42:09,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [175146189] [2024-10-14 20:42:09,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:42:09,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:42:09,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:42:09,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1644698229] [2024-10-14 20:42:09,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:42:09,754 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:42:09,754 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:42:09,756 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:42:09,757 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2024-10-14 20:42:09,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:42:09,795 INFO L255 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-10-14 20:42:09,796 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:42:10,239 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-10-14 20:42:10,240 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:42:14,598 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:42:14,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [175146189] [2024-10-14 20:42:14,598 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:42:14,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1644698229] [2024-10-14 20:42:14,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1644698229] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:42:14,598 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:42:14,598 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-10-14 20:42:14,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287813224] [2024-10-14 20:42:14,598 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-14 20:42:14,599 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-14 20:42:14,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:42:14,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-14 20:42:14,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=211, Unknown=1, NotChecked=0, Total=272 [2024-10-14 20:42:14,600 INFO L87 Difference]: Start difference. First operand 528 states and 729 transitions. Second operand has 12 states, 11 states have (on average 6.0) internal successors, (66), 11 states have internal predecessors, (66), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-10-14 20:42:15,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:42:15,248 INFO L93 Difference]: Finished difference Result 617 states and 822 transitions. [2024-10-14 20:42:15,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-14 20:42:15,248 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.0) internal successors, (66), 11 states have internal predecessors, (66), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 97 [2024-10-14 20:42:15,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:42:15,251 INFO L225 Difference]: With dead ends: 617 [2024-10-14 20:42:15,251 INFO L226 Difference]: Without dead ends: 616 [2024-10-14 20:42:15,251 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=116, Invalid=345, Unknown=1, NotChecked=0, Total=462 [2024-10-14 20:42:15,252 INFO L432 NwaCegarLoop]: 86 mSDtfsCounter, 284 mSDsluCounter, 556 mSDsCounter, 0 mSdLazyCounter, 883 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 296 SdHoareTripleChecker+Valid, 642 SdHoareTripleChecker+Invalid, 896 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 883 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-14 20:42:15,252 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [296 Valid, 642 Invalid, 896 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 883 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-14 20:42:15,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 616 states. [2024-10-14 20:42:15,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 616 to 529. [2024-10-14 20:42:15,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 529 states, 429 states have (on average 1.4778554778554778) internal successors, (634), 478 states have internal predecessors, (634), 48 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-10-14 20:42:15,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 529 states and 730 transitions. [2024-10-14 20:42:15,289 INFO L78 Accepts]: Start accepts. Automaton has 529 states and 730 transitions. Word has length 97 [2024-10-14 20:42:15,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:42:15,289 INFO L471 AbstractCegarLoop]: Abstraction has 529 states and 730 transitions. [2024-10-14 20:42:15,290 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.0) internal successors, (66), 11 states have internal predecessors, (66), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-10-14 20:42:15,290 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 730 transitions. [2024-10-14 20:42:15,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-10-14 20:42:15,290 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:42:15,290 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 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] [2024-10-14 20:42:15,302 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Forceful destruction successful, exit code 0 [2024-10-14 20:42:15,491 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,35 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:42:15,491 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-10-14 20:42:15,491 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:42:15,491 INFO L85 PathProgramCache]: Analyzing trace with hash 1921909280, now seen corresponding path program 1 times [2024-10-14 20:42:15,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:42:15,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2082234176] [2024-10-14 20:42:15,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:42:15,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:42:15,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:42:15,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 20:42:15,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:42:15,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 20:42:15,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:42:15,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 20:42:15,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:42:15,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-14 20:42:15,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:42:15,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-14 20:42:15,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:42:15,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-14 20:42:15,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:42:15,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-14 20:42:15,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:42:15,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-14 20:42:15,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:42:15,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-14 20:42:15,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:42:15,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-14 20:42:15,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:42:15,553 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-14 20:42:15,553 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:42:15,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2082234176] [2024-10-14 20:42:15,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2082234176] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:42:15,554 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:42:15,554 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 20:42:15,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504896585] [2024-10-14 20:42:15,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:42:15,554 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 20:42:15,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:42:15,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 20:42:15,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 20:42:15,555 INFO L87 Difference]: Start difference. First operand 529 states and 730 transitions. Second operand has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-10-14 20:42:15,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:42:15,768 INFO L93 Difference]: Finished difference Result 574 states and 737 transitions. [2024-10-14 20:42:15,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 20:42:15,769 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 99 [2024-10-14 20:42:15,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:42:15,770 INFO L225 Difference]: With dead ends: 574 [2024-10-14 20:42:15,770 INFO L226 Difference]: Without dead ends: 459 [2024-10-14 20:42:15,771 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-14 20:42:15,771 INFO L432 NwaCegarLoop]: 118 mSDtfsCounter, 23 mSDsluCounter, 305 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 423 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 20:42:15,771 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 423 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 20:42:15,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 459 states. [2024-10-14 20:42:15,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 459 to 440. [2024-10-14 20:42:15,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 440 states, 352 states have (on average 1.4744318181818181) internal successors, (519), 401 states have internal predecessors, (519), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-10-14 20:42:15,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 440 states and 591 transitions. [2024-10-14 20:42:15,794 INFO L78 Accepts]: Start accepts. Automaton has 440 states and 591 transitions. Word has length 99 [2024-10-14 20:42:15,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:42:15,795 INFO L471 AbstractCegarLoop]: Abstraction has 440 states and 591 transitions. [2024-10-14 20:42:15,795 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-10-14 20:42:15,795 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 591 transitions. [2024-10-14 20:42:15,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-10-14 20:42:15,795 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:42:15,795 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 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, 1] [2024-10-14 20:42:15,796 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2024-10-14 20:42:15,796 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-10-14 20:42:15,796 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:42:15,796 INFO L85 PathProgramCache]: Analyzing trace with hash 237354532, now seen corresponding path program 1 times [2024-10-14 20:42:15,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:42:15,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1419326558] [2024-10-14 20:42:15,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:42:15,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:42:15,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:42:15,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [526198880] [2024-10-14 20:42:15,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:42:15,805 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:42:15,805 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:42:15,807 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:42:15,809 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2024-10-14 20:42:15,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:42:15,848 INFO L255 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-10-14 20:42:15,850 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:42:16,380 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-10-14 20:42:16,380 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:42:17,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:42:17,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1419326558] [2024-10-14 20:42:17,662 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:42:17,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [526198880] [2024-10-14 20:42:17,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [526198880] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:42:17,662 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:42:17,662 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-10-14 20:42:17,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1026486181] [2024-10-14 20:42:17,662 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-14 20:42:17,662 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-14 20:42:17,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:42:17,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-14 20:42:17,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=215, Unknown=1, NotChecked=0, Total=272 [2024-10-14 20:42:17,663 INFO L87 Difference]: Start difference. First operand 440 states and 591 transitions. Second operand has 12 states, 11 states have (on average 6.090909090909091) internal successors, (67), 11 states have internal predecessors, (67), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-10-14 20:42:18,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:42:18,255 INFO L93 Difference]: Finished difference Result 461 states and 603 transitions. [2024-10-14 20:42:18,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-14 20:42:18,256 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.090909090909091) internal successors, (67), 11 states have internal predecessors, (67), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 98 [2024-10-14 20:42:18,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:42:18,257 INFO L225 Difference]: With dead ends: 461 [2024-10-14 20:42:18,257 INFO L226 Difference]: Without dead ends: 460 [2024-10-14 20:42:18,257 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=97, Invalid=322, Unknown=1, NotChecked=0, Total=420 [2024-10-14 20:42:18,257 INFO L432 NwaCegarLoop]: 61 mSDtfsCounter, 217 mSDsluCounter, 484 mSDsCounter, 0 mSdLazyCounter, 856 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 229 SdHoareTripleChecker+Valid, 545 SdHoareTripleChecker+Invalid, 862 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 856 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-14 20:42:18,257 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [229 Valid, 545 Invalid, 862 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 856 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-14 20:42:18,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 460 states. [2024-10-14 20:42:18,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 460 to 441. [2024-10-14 20:42:18,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 441 states, 353 states have (on average 1.4730878186968839) internal successors, (520), 402 states have internal predecessors, (520), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-10-14 20:42:18,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 592 transitions. [2024-10-14 20:42:18,279 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 592 transitions. Word has length 98 [2024-10-14 20:42:18,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:42:18,279 INFO L471 AbstractCegarLoop]: Abstraction has 441 states and 592 transitions. [2024-10-14 20:42:18,279 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.090909090909091) internal successors, (67), 11 states have internal predecessors, (67), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-10-14 20:42:18,279 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 592 transitions. [2024-10-14 20:42:18,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-10-14 20:42:18,280 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:42:18,280 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 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, 1, 1] [2024-10-14 20:42:18,292 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Forceful destruction successful, exit code 0 [2024-10-14 20:42:18,480 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable44 [2024-10-14 20:42:18,481 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-10-14 20:42:18,481 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:42:18,481 INFO L85 PathProgramCache]: Analyzing trace with hash -1231943908, now seen corresponding path program 1 times [2024-10-14 20:42:18,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:42:18,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1521534700] [2024-10-14 20:42:18,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:42:18,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:42:18,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:42:18,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [206513912] [2024-10-14 20:42:18,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:42:18,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:42:18,493 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:42:18,494 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:42:18,495 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2024-10-14 20:42:18,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:42:18,535 INFO L255 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-10-14 20:42:18,536 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:42:19,072 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-10-14 20:42:19,072 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:42:33,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:42:33,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1521534700] [2024-10-14 20:42:33,454 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:42:33,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [206513912] [2024-10-14 20:42:33,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [206513912] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:42:33,454 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:42:33,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2024-10-14 20:42:33,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1902886002] [2024-10-14 20:42:33,454 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-14 20:42:33,454 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-14 20:42:33,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:42:33,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-14 20:42:33,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=282, Unknown=2, NotChecked=0, Total=342 [2024-10-14 20:42:33,455 INFO L87 Difference]: Start difference. First operand 441 states and 592 transitions. Second operand has 13 states, 12 states have (on average 5.666666666666667) internal successors, (68), 12 states have internal predecessors, (68), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-10-14 20:42:34,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:42:34,177 INFO L93 Difference]: Finished difference Result 461 states and 602 transitions. [2024-10-14 20:42:34,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-14 20:42:34,179 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.666666666666667) internal successors, (68), 12 states have internal predecessors, (68), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 99 [2024-10-14 20:42:34,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:42:34,181 INFO L225 Difference]: With dead ends: 461 [2024-10-14 20:42:34,181 INFO L226 Difference]: Without dead ends: 460 [2024-10-14 20:42:34,182 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 13.8s TimeCoverageRelationStatistics Valid=95, Invalid=409, Unknown=2, NotChecked=0, Total=506 [2024-10-14 20:42:34,182 INFO L432 NwaCegarLoop]: 63 mSDtfsCounter, 357 mSDsluCounter, 396 mSDsCounter, 0 mSdLazyCounter, 734 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 369 SdHoareTripleChecker+Valid, 459 SdHoareTripleChecker+Invalid, 755 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 734 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-14 20:42:34,182 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [369 Valid, 459 Invalid, 755 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 734 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-14 20:42:34,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 460 states. [2024-10-14 20:42:34,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 460 to 442. [2024-10-14 20:42:34,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 442 states, 354 states have (on average 1.4717514124293785) internal successors, (521), 403 states have internal predecessors, (521), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-10-14 20:42:34,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 442 states and 593 transitions. [2024-10-14 20:42:34,211 INFO L78 Accepts]: Start accepts. Automaton has 442 states and 593 transitions. Word has length 99 [2024-10-14 20:42:34,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:42:34,211 INFO L471 AbstractCegarLoop]: Abstraction has 442 states and 593 transitions. [2024-10-14 20:42:34,211 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.666666666666667) internal successors, (68), 12 states have internal predecessors, (68), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-10-14 20:42:34,212 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 593 transitions. [2024-10-14 20:42:34,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-10-14 20:42:34,212 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:42:34,212 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 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, 1, 1, 1] [2024-10-14 20:42:34,228 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Ended with exit code 0 [2024-10-14 20:42:34,413 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45,37 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:42:34,413 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-10-14 20:42:34,413 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:42:34,413 INFO L85 PathProgramCache]: Analyzing trace with hash 464444710, now seen corresponding path program 1 times [2024-10-14 20:42:34,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:42:34,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452579356] [2024-10-14 20:42:34,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:42:34,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:42:34,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:42:34,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [570069675] [2024-10-14 20:42:34,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:42:34,422 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:42:34,422 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:42:34,423 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:42:34,427 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2024-10-14 20:42:34,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:42:34,471 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-10-14 20:42:34,472 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:42:35,588 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-10-14 20:42:35,589 INFO L311 TraceCheckSpWp]: Computing backward predicates...