./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound2.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 402079e1c7de243c4e41f5ffecd6596c904161a3f8e591ee220484899b186d55 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 12:06:48,606 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 12:06:48,673 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-09 12:06:48,687 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 12:06:48,689 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 12:06:48,720 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 12:06:48,722 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 12:06:48,722 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 12:06:48,723 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 12:06:48,724 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 12:06:48,725 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 12:06:48,725 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 12:06:48,726 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 12:06:48,728 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 12:06:48,728 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 12:06:48,728 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 12:06:48,729 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 12:06:48,729 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 12:06:48,729 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 12:06:48,729 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 12:06:48,730 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 12:06:48,731 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 12:06:48,731 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 12:06:48,732 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 12:06:48,732 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 12:06:48,732 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 12:06:48,732 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 12:06:48,733 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 12:06:48,733 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 12:06:48,733 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 12:06:48,733 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 12:06:48,734 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 12:06:48,734 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 12:06:48,734 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 12:06:48,734 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 12:06:48,735 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 12:06:48,735 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 12:06:48,736 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 12:06:48,736 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 12:06:48,737 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 12:06:48,737 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 12:06:48,737 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 12:06:48,737 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 12:06:48,738 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 12:06:48,738 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 402079e1c7de243c4e41f5ffecd6596c904161a3f8e591ee220484899b186d55 [2024-11-09 12:06:49,013 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 12:06:49,039 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 12:06:49,042 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 12:06:49,043 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 12:06:49,044 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 12:06:49,045 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound2.c [2024-11-09 12:06:50,562 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 12:06:50,763 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 12:06:50,764 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound2.c [2024-11-09 12:06:50,771 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ccf58efd6/241520c9a8874b66873bcc99f5ddd12e/FLAGf7062b3e1 [2024-11-09 12:06:51,152 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ccf58efd6/241520c9a8874b66873bcc99f5ddd12e [2024-11-09 12:06:51,155 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 12:06:51,156 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 12:06:51,159 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 12:06:51,159 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 12:06:51,164 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 12:06:51,164 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:06:51" (1/1) ... [2024-11-09 12:06:51,165 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a2c578c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:06:51, skipping insertion in model container [2024-11-09 12:06:51,165 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:06:51" (1/1) ... [2024-11-09 12:06:51,183 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 12:06:51,389 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 12:06:51,399 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 12:06:51,422 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 12:06:51,442 INFO L204 MainTranslator]: Completed translation [2024-11-09 12:06:51,442 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:06:51 WrapperNode [2024-11-09 12:06:51,443 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 12:06:51,444 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 12:06:51,444 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 12:06:51,444 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 12:06:51,452 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:06:51" (1/1) ... [2024-11-09 12:06:51,466 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:06:51" (1/1) ... [2024-11-09 12:06:51,493 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 135 [2024-11-09 12:06:51,494 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 12:06:51,495 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 12:06:51,495 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 12:06:51,495 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 12:06:51,509 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:06:51" (1/1) ... [2024-11-09 12:06:51,510 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:06:51" (1/1) ... [2024-11-09 12:06:51,512 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:06:51" (1/1) ... [2024-11-09 12:06:51,529 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-09 12:06:51,530 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:06:51" (1/1) ... [2024-11-09 12:06:51,530 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:06:51" (1/1) ... [2024-11-09 12:06:51,536 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:06:51" (1/1) ... [2024-11-09 12:06:51,540 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:06:51" (1/1) ... [2024-11-09 12:06:51,542 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:06:51" (1/1) ... [2024-11-09 12:06:51,543 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:06:51" (1/1) ... [2024-11-09 12:06:51,545 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 12:06:51,548 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 12:06:51,548 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 12:06:51,548 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 12:06:51,549 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:06:51" (1/1) ... [2024-11-09 12:06:51,560 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 12:06:51,581 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:06:51,602 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-09 12:06:51,609 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-09 12:06:51,662 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 12:06:51,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 12:06:51,663 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 12:06:51,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 12:06:51,663 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 12:06:51,664 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 12:06:51,731 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 12:06:51,734 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 12:06:52,315 INFO L? ?]: Removed 92 outVars from TransFormulas that were not future-live. [2024-11-09 12:06:52,339 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 12:06:52,365 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 12:06:52,366 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 12:06:52,366 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:06:52 BoogieIcfgContainer [2024-11-09 12:06:52,367 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 12:06:52,369 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 12:06:52,369 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 12:06:52,372 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 12:06:52,384 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 12:06:51" (1/3) ... [2024-11-09 12:06:52,387 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10ed3adb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 12:06:52, skipping insertion in model container [2024-11-09 12:06:52,387 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:06:51" (2/3) ... [2024-11-09 12:06:52,388 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10ed3adb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 12:06:52, skipping insertion in model container [2024-11-09 12:06:52,388 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:06:52" (3/3) ... [2024-11-09 12:06:52,390 INFO L112 eAbstractionObserver]: Analyzing ICFG ps5-ll_unwindbound2.c [2024-11-09 12:06:52,409 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 12:06:52,409 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 86 error locations. [2024-11-09 12:06:52,505 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 12:06:52,512 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;@1c58961c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 12:06:52,512 INFO L334 AbstractCegarLoop]: Starting to check reachability of 86 error locations. [2024-11-09 12:06:52,517 INFO L276 IsEmpty]: Start isEmpty. Operand has 192 states, 101 states have (on average 1.900990099009901) internal successors, (192), 187 states have internal predecessors, (192), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 12:06:52,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-09 12:06:52,523 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:06:52,524 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-09 12:06:52,524 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-09 12:06:52,528 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:06:52,528 INFO L85 PathProgramCache]: Analyzing trace with hash 889512265, now seen corresponding path program 1 times [2024-11-09 12:06:52,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:06:52,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1344306748] [2024-11-09 12:06:52,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:06:52,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:06:52,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:06:52,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:06:52,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:06:52,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1344306748] [2024-11-09 12:06:52,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1344306748] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:06:52,701 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:06:52,702 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 12:06:52,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388600418] [2024-11-09 12:06:52,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:06:52,709 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 12:06:52,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:06:52,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 12:06:52,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 12:06:52,739 INFO L87 Difference]: Start difference. First operand has 192 states, 101 states have (on average 1.900990099009901) internal successors, (192), 187 states have internal predecessors, (192), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 12:06:52,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:06:52,778 INFO L93 Difference]: Finished difference Result 367 states and 394 transitions. [2024-11-09 12:06:52,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 12:06:52,780 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-09 12:06:52,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:06:52,787 INFO L225 Difference]: With dead ends: 367 [2024-11-09 12:06:52,787 INFO L226 Difference]: Without dead ends: 172 [2024-11-09 12:06:52,791 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 12:06:52,796 INFO L432 NwaCegarLoop]: 181 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 181 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 12:06:52,797 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 181 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 12:06:52,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2024-11-09 12:06:52,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 172. [2024-11-09 12:06:52,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172 states, 96 states have (on average 1.7708333333333333) internal successors, (170), 168 states have internal predecessors, (170), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 12:06:52,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 174 transitions. [2024-11-09 12:06:52,841 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 174 transitions. Word has length 6 [2024-11-09 12:06:52,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:06:52,842 INFO L471 AbstractCegarLoop]: Abstraction has 172 states and 174 transitions. [2024-11-09 12:06:52,842 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 12:06:52,842 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 174 transitions. [2024-11-09 12:06:52,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-09 12:06:52,843 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:06:52,843 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-09 12:06:52,843 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 12:06:52,844 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-09 12:06:52,844 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:06:52,845 INFO L85 PathProgramCache]: Analyzing trace with hash 889568358, now seen corresponding path program 1 times [2024-11-09 12:06:52,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:06:52,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [495298406] [2024-11-09 12:06:52,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:06:52,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:06:52,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:06:52,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:06:52,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:06:52,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [495298406] [2024-11-09 12:06:52,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [495298406] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:06:52,935 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:06:52,935 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 12:06:52,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155268285] [2024-11-09 12:06:52,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:06:52,937 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 12:06:52,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:06:52,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 12:06:52,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:06:52,942 INFO L87 Difference]: Start difference. First operand 172 states and 174 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 12:06:53,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:06:53,028 INFO L93 Difference]: Finished difference Result 172 states and 174 transitions. [2024-11-09 12:06:53,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 12:06:53,029 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-09 12:06:53,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:06:53,031 INFO L225 Difference]: With dead ends: 172 [2024-11-09 12:06:53,031 INFO L226 Difference]: Without dead ends: 171 [2024-11-09 12:06:53,032 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 12:06:53,033 INFO L432 NwaCegarLoop]: 167 mSDtfsCounter, 170 mSDsluCounter, 166 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 333 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 12:06:53,034 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 333 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 12:06:53,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2024-11-09 12:06:53,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 171. [2024-11-09 12:06:53,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171 states, 96 states have (on average 1.7604166666666667) internal successors, (169), 167 states have internal predecessors, (169), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 12:06:53,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 173 transitions. [2024-11-09 12:06:53,052 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 173 transitions. Word has length 6 [2024-11-09 12:06:53,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:06:53,056 INFO L471 AbstractCegarLoop]: Abstraction has 171 states and 173 transitions. [2024-11-09 12:06:53,057 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 12:06:53,057 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 173 transitions. [2024-11-09 12:06:53,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-09 12:06:53,057 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:06:53,057 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:06:53,058 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 12:06:53,058 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-09 12:06:53,058 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:06:53,059 INFO L85 PathProgramCache]: Analyzing trace with hash 1806815370, now seen corresponding path program 1 times [2024-11-09 12:06:53,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:06:53,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1858373951] [2024-11-09 12:06:53,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:06:53,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:06:53,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:06:53,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:06:53,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:06:53,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1858373951] [2024-11-09 12:06:53,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1858373951] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:06:53,151 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:06:53,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 12:06:53,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116100304] [2024-11-09 12:06:53,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:06:53,152 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 12:06:53,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:06:53,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 12:06:53,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:06:53,154 INFO L87 Difference]: Start difference. First operand 171 states and 173 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 12:06:53,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:06:53,197 INFO L93 Difference]: Finished difference Result 251 states and 253 transitions. [2024-11-09 12:06:53,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 12:06:53,198 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-09 12:06:53,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:06:53,200 INFO L225 Difference]: With dead ends: 251 [2024-11-09 12:06:53,200 INFO L226 Difference]: Without dead ends: 175 [2024-11-09 12:06:53,201 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 12:06:53,202 INFO L432 NwaCegarLoop]: 169 mSDtfsCounter, 3 mSDsluCounter, 332 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 501 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 12:06:53,205 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 501 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 12:06:53,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2024-11-09 12:06:53,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 175. [2024-11-09 12:06:53,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 100 states have (on average 1.73) internal successors, (173), 171 states have internal predecessors, (173), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 12:06:53,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 177 transitions. [2024-11-09 12:06:53,229 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 177 transitions. Word has length 7 [2024-11-09 12:06:53,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:06:53,230 INFO L471 AbstractCegarLoop]: Abstraction has 175 states and 177 transitions. [2024-11-09 12:06:53,230 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 12:06:53,231 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 177 transitions. [2024-11-09 12:06:53,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-09 12:06:53,232 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:06:53,232 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:06:53,232 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 12:06:53,232 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-09 12:06:53,233 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:06:53,233 INFO L85 PathProgramCache]: Analyzing trace with hash 1182784684, now seen corresponding path program 1 times [2024-11-09 12:06:53,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:06:53,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2115532188] [2024-11-09 12:06:53,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:06:53,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:06:53,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:06:53,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:06:53,282 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:06:53,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2115532188] [2024-11-09 12:06:53,283 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2115532188] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:06:53,283 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:06:53,283 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 12:06:53,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009090684] [2024-11-09 12:06:53,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:06:53,284 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 12:06:53,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:06:53,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 12:06:53,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 12:06:53,286 INFO L87 Difference]: Start difference. First operand 175 states and 177 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 12:06:53,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:06:53,671 INFO L93 Difference]: Finished difference Result 311 states and 323 transitions. [2024-11-09 12:06:53,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 12:06:53,672 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2024-11-09 12:06:53,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:06:53,673 INFO L225 Difference]: With dead ends: 311 [2024-11-09 12:06:53,676 INFO L226 Difference]: Without dead ends: 255 [2024-11-09 12:06:53,677 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 12:06:53,678 INFO L432 NwaCegarLoop]: 100 mSDtfsCounter, 82 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 220 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 220 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 12:06:53,679 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 129 Invalid, 270 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 220 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 12:06:53,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2024-11-09 12:06:53,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 249. [2024-11-09 12:06:53,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 249 states, 173 states have (on average 1.5028901734104045) internal successors, (260), 244 states have internal predecessors, (260), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 12:06:53,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 266 transitions. [2024-11-09 12:06:53,694 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 266 transitions. Word has length 9 [2024-11-09 12:06:53,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:06:53,695 INFO L471 AbstractCegarLoop]: Abstraction has 249 states and 266 transitions. [2024-11-09 12:06:53,695 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 12:06:53,695 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 266 transitions. [2024-11-09 12:06:53,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-09 12:06:53,696 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:06:53,696 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:06:53,696 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 12:06:53,697 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-09 12:06:53,697 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:06:53,697 INFO L85 PathProgramCache]: Analyzing trace with hash -1018296696, now seen corresponding path program 1 times [2024-11-09 12:06:53,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:06:53,698 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766326474] [2024-11-09 12:06:53,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:06:53,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:06:53,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:06:53,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:06:53,836 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:06:53,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [766326474] [2024-11-09 12:06:53,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [766326474] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:06:53,837 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:06:53,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 12:06:53,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986221852] [2024-11-09 12:06:53,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:06:53,840 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 12:06:53,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:06:53,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 12:06:53,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 12:06:53,841 INFO L87 Difference]: Start difference. First operand 249 states and 266 transitions. Second operand has 3 states, 2 states have (on average 18.5) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 12:06:53,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:06:53,916 INFO L93 Difference]: Finished difference Result 268 states and 280 transitions. [2024-11-09 12:06:53,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 12:06:53,916 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 18.5) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2024-11-09 12:06:53,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:06:53,918 INFO L225 Difference]: With dead ends: 268 [2024-11-09 12:06:53,918 INFO L226 Difference]: Without dead ends: 263 [2024-11-09 12:06:53,919 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 12:06:53,920 INFO L432 NwaCegarLoop]: 151 mSDtfsCounter, 58 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 294 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 12:06:53,924 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 294 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 12:06:53,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states. [2024-11-09 12:06:53,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 256. [2024-11-09 12:06:53,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 256 states, 180 states have (on average 1.4833333333333334) internal successors, (267), 251 states have internal predecessors, (267), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 12:06:53,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 273 transitions. [2024-11-09 12:06:53,940 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 273 transitions. Word has length 37 [2024-11-09 12:06:53,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:06:53,941 INFO L471 AbstractCegarLoop]: Abstraction has 256 states and 273 transitions. [2024-11-09 12:06:53,941 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 18.5) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 12:06:53,941 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 273 transitions. [2024-11-09 12:06:53,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-09 12:06:53,946 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:06:53,946 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:06:53,950 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 12:06:53,951 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-09 12:06:53,951 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:06:53,951 INFO L85 PathProgramCache]: Analyzing trace with hash 669422250, now seen corresponding path program 1 times [2024-11-09 12:06:53,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:06:53,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1232103415] [2024-11-09 12:06:53,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:06:53,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:06:53,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:06:54,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:06:54,068 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:06:54,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1232103415] [2024-11-09 12:06:54,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1232103415] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:06:54,069 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:06:54,069 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 12:06:54,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254423840] [2024-11-09 12:06:54,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:06:54,070 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 12:06:54,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:06:54,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 12:06:54,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:06:54,071 INFO L87 Difference]: Start difference. First operand 256 states and 273 transitions. Second operand has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 12:06:57,026 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.58s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-09 12:06:57,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:06:57,047 INFO L93 Difference]: Finished difference Result 267 states and 275 transitions. [2024-11-09 12:06:57,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 12:06:57,047 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 39 [2024-11-09 12:06:57,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:06:57,050 INFO L225 Difference]: With dead ends: 267 [2024-11-09 12:06:57,050 INFO L226 Difference]: Without dead ends: 262 [2024-11-09 12:06:57,050 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:06:57,051 INFO L432 NwaCegarLoop]: 88 mSDtfsCounter, 84 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 265 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 252 SdHoareTripleChecker+Invalid, 271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 265 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2024-11-09 12:06:57,051 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 252 Invalid, 271 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 265 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2024-11-09 12:06:57,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 262 states. [2024-11-09 12:06:57,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 262 to 256. [2024-11-09 12:06:57,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 256 states, 180 states have (on average 1.4555555555555555) internal successors, (262), 251 states have internal predecessors, (262), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 12:06:57,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 268 transitions. [2024-11-09 12:06:57,068 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 268 transitions. Word has length 39 [2024-11-09 12:06:57,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:06:57,068 INFO L471 AbstractCegarLoop]: Abstraction has 256 states and 268 transitions. [2024-11-09 12:06:57,069 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 12:06:57,069 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 268 transitions. [2024-11-09 12:06:57,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-09 12:06:57,070 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:06:57,070 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:06:57,070 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-09 12:06:57,070 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-09 12:06:57,071 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:06:57,071 INFO L85 PathProgramCache]: Analyzing trace with hash -722746613, now seen corresponding path program 1 times [2024-11-09 12:06:57,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:06:57,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1534373258] [2024-11-09 12:06:57,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:06:57,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:06:57,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:06:57,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:06:57,190 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:06:57,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1534373258] [2024-11-09 12:06:57,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1534373258] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:06:57,191 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:06:57,191 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 12:06:57,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716142631] [2024-11-09 12:06:57,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:06:57,191 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 12:06:57,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:06:57,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 12:06:57,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:06:57,192 INFO L87 Difference]: Start difference. First operand 256 states and 268 transitions. Second operand has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 12:06:57,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:06:57,759 INFO L93 Difference]: Finished difference Result 266 states and 270 transitions. [2024-11-09 12:06:57,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 12:06:57,759 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 40 [2024-11-09 12:06:57,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:06:57,760 INFO L225 Difference]: With dead ends: 266 [2024-11-09 12:06:57,760 INFO L226 Difference]: Without dead ends: 228 [2024-11-09 12:06:57,761 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:06:57,762 INFO L432 NwaCegarLoop]: 101 mSDtfsCounter, 85 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 252 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 265 SdHoareTripleChecker+Invalid, 256 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 252 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-09 12:06:57,762 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 265 Invalid, 256 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 252 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-09 12:06:57,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2024-11-09 12:06:57,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 222. [2024-11-09 12:06:57,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 222 states, 146 states have (on average 1.5342465753424657) internal successors, (224), 217 states have internal predecessors, (224), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 12:06:57,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 230 transitions. [2024-11-09 12:06:57,771 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 230 transitions. Word has length 40 [2024-11-09 12:06:57,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:06:57,771 INFO L471 AbstractCegarLoop]: Abstraction has 222 states and 230 transitions. [2024-11-09 12:06:57,771 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 12:06:57,772 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 230 transitions. [2024-11-09 12:06:57,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-09 12:06:57,773 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:06:57,773 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:06:57,773 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-09 12:06:57,774 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-09 12:06:57,774 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:06:57,774 INFO L85 PathProgramCache]: Analyzing trace with hash 257982969, now seen corresponding path program 1 times [2024-11-09 12:06:57,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:06:57,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1680196666] [2024-11-09 12:06:57,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:06:57,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:06:57,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:06:57,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-09 12:06:57,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:06:57,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:06:57,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:06:57,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1680196666] [2024-11-09 12:06:57,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1680196666] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:06:57,852 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:06:57,852 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 12:06:57,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567042967] [2024-11-09 12:06:57,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:06:57,853 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 12:06:57,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:06:57,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 12:06:57,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 12:06:57,854 INFO L87 Difference]: Start difference. First operand 222 states and 230 transitions. Second operand has 3 states, 2 states have (on average 23.5) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 12:06:57,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:06:57,872 INFO L93 Difference]: Finished difference Result 224 states and 230 transitions. [2024-11-09 12:06:57,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 12:06:57,873 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 23.5) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 49 [2024-11-09 12:06:57,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:06:57,874 INFO L225 Difference]: With dead ends: 224 [2024-11-09 12:06:57,874 INFO L226 Difference]: Without dead ends: 222 [2024-11-09 12:06:57,874 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 12:06:57,875 INFO L432 NwaCegarLoop]: 170 mSDtfsCounter, 1 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 335 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 12:06:57,875 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 335 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 12:06:57,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2024-11-09 12:06:57,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 222. [2024-11-09 12:06:57,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 222 states, 146 states have (on average 1.5205479452054795) internal successors, (222), 217 states have internal predecessors, (222), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 12:06:57,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 228 transitions. [2024-11-09 12:06:57,884 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 228 transitions. Word has length 49 [2024-11-09 12:06:57,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:06:57,885 INFO L471 AbstractCegarLoop]: Abstraction has 222 states and 228 transitions. [2024-11-09 12:06:57,885 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 23.5) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 12:06:57,886 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 228 transitions. [2024-11-09 12:06:57,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-09 12:06:57,887 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:06:57,887 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:06:57,887 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-09 12:06:57,887 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-09 12:06:57,888 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:06:57,888 INFO L85 PathProgramCache]: Analyzing trace with hash 1579375086, now seen corresponding path program 1 times [2024-11-09 12:06:57,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:06:57,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1839919010] [2024-11-09 12:06:57,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:06:57,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:06:57,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:06:57,916 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1264848541] [2024-11-09 12:06:57,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:06:57,917 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:06:57,917 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:06:57,920 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 12:06:57,922 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 12:06:57,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:06:57,999 INFO L255 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 12:06:58,006 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:06:58,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:06:58,135 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 12:06:58,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:06:58,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1839919010] [2024-11-09 12:06:58,136 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 12:06:58,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1264848541] [2024-11-09 12:06:58,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1264848541] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:06:58,136 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:06:58,136 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 12:06:58,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515825247] [2024-11-09 12:06:58,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:06:58,137 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 12:06:58,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:06:58,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 12:06:58,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:06:58,138 INFO L87 Difference]: Start difference. First operand 222 states and 228 transitions. Second operand has 4 states, 3 states have (on average 17.333333333333332) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 12:06:58,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:06:58,586 INFO L93 Difference]: Finished difference Result 365 states and 382 transitions. [2024-11-09 12:06:58,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 12:06:58,586 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 17.333333333333332) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 54 [2024-11-09 12:06:58,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:06:58,588 INFO L225 Difference]: With dead ends: 365 [2024-11-09 12:06:58,588 INFO L226 Difference]: Without dead ends: 311 [2024-11-09 12:06:58,588 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:06:58,589 INFO L432 NwaCegarLoop]: 96 mSDtfsCounter, 95 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 413 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 464 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 413 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 12:06:58,589 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 153 Invalid, 464 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 413 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 12:06:58,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2024-11-09 12:06:58,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 304. [2024-11-09 12:06:58,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 304 states, 226 states have (on average 1.407079646017699) internal successors, (318), 297 states have internal predecessors, (318), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-09 12:06:58,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 328 transitions. [2024-11-09 12:06:58,600 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 328 transitions. Word has length 54 [2024-11-09 12:06:58,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:06:58,601 INFO L471 AbstractCegarLoop]: Abstraction has 304 states and 328 transitions. [2024-11-09 12:06:58,601 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 17.333333333333332) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 12:06:58,601 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 328 transitions. [2024-11-09 12:06:58,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-09 12:06:58,602 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:06:58,602 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:06:58,619 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-09 12:06:58,803 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:06:58,804 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-09 12:06:58,804 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:06:58,804 INFO L85 PathProgramCache]: Analyzing trace with hash 692470868, now seen corresponding path program 1 times [2024-11-09 12:06:58,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:06:58,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727610565] [2024-11-09 12:06:58,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:06:58,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:06:58,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:06:58,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-09 12:06:58,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:06:58,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:06:58,902 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:06:58,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1727610565] [2024-11-09 12:06:58,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1727610565] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:06:58,903 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:06:58,903 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 12:06:58,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413890058] [2024-11-09 12:06:58,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:06:58,903 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 12:06:58,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:06:58,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 12:06:58,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:06:58,905 INFO L87 Difference]: Start difference. First operand 304 states and 328 transitions. Second operand has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 4 states have internal predecessors, (58), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 12:06:58,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:06:58,994 INFO L93 Difference]: Finished difference Result 305 states and 328 transitions. [2024-11-09 12:06:58,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 12:06:58,995 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 4 states have internal predecessors, (58), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 60 [2024-11-09 12:06:58,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:06:58,996 INFO L225 Difference]: With dead ends: 305 [2024-11-09 12:06:58,996 INFO L226 Difference]: Without dead ends: 304 [2024-11-09 12:06:58,996 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:06:58,997 INFO L432 NwaCegarLoop]: 135 mSDtfsCounter, 42 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 278 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 12:06:58,997 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 278 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 12:06:58,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2024-11-09 12:06:59,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 304. [2024-11-09 12:06:59,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 304 states, 226 states have (on average 1.4026548672566372) internal successors, (317), 297 states have internal predecessors, (317), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-09 12:06:59,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 327 transitions. [2024-11-09 12:06:59,007 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 327 transitions. Word has length 60 [2024-11-09 12:06:59,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:06:59,007 INFO L471 AbstractCegarLoop]: Abstraction has 304 states and 327 transitions. [2024-11-09 12:06:59,008 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 4 states have internal predecessors, (58), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 12:06:59,008 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 327 transitions. [2024-11-09 12:06:59,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-09 12:06:59,008 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:06:59,009 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:06:59,009 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-09 12:06:59,009 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-09 12:06:59,010 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:06:59,010 INFO L85 PathProgramCache]: Analyzing trace with hash 671749658, now seen corresponding path program 1 times [2024-11-09 12:06:59,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:06:59,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163765672] [2024-11-09 12:06:59,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:06:59,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:06:59,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:06:59,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-09 12:06:59,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:06:59,163 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:06:59,163 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:06:59,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1163765672] [2024-11-09 12:06:59,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1163765672] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:06:59,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [333846488] [2024-11-09 12:06:59,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:06:59,164 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:06:59,164 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:06:59,166 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 12:06:59,167 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 12:06:59,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:06:59,217 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 12:06:59,218 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:06:59,410 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:06:59,411 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 12:06:59,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [333846488] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:06:59,411 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 12:06:59,411 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2024-11-09 12:06:59,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158960950] [2024-11-09 12:06:59,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:06:59,412 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 12:06:59,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:06:59,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 12:06:59,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-09 12:06:59,413 INFO L87 Difference]: Start difference. First operand 304 states and 327 transitions. Second operand has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 12:06:59,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:06:59,472 INFO L93 Difference]: Finished difference Result 416 states and 446 transitions. [2024-11-09 12:06:59,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 12:06:59,473 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 63 [2024-11-09 12:06:59,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:06:59,475 INFO L225 Difference]: With dead ends: 416 [2024-11-09 12:06:59,475 INFO L226 Difference]: Without dead ends: 415 [2024-11-09 12:06:59,475 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-11-09 12:06:59,476 INFO L432 NwaCegarLoop]: 238 mSDtfsCounter, 118 mSDsluCounter, 543 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 781 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 12:06:59,476 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 781 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 12:06:59,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 415 states. [2024-11-09 12:06:59,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 415 to 377. [2024-11-09 12:06:59,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 377 states, 297 states have (on average 1.4175084175084176) internal successors, (421), 369 states have internal predecessors, (421), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 5 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-09 12:06:59,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 435 transitions. [2024-11-09 12:06:59,491 INFO L78 Accepts]: Start accepts. Automaton has 377 states and 435 transitions. Word has length 63 [2024-11-09 12:06:59,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:06:59,492 INFO L471 AbstractCegarLoop]: Abstraction has 377 states and 435 transitions. [2024-11-09 12:06:59,492 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 12:06:59,492 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 435 transitions. [2024-11-09 12:06:59,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-09 12:06:59,494 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:06:59,494 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:06:59,514 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-09 12:06:59,695 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-09 12:06:59,695 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr76ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-09 12:06:59,696 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:06:59,696 INFO L85 PathProgramCache]: Analyzing trace with hash 608761983, now seen corresponding path program 1 times [2024-11-09 12:06:59,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:06:59,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545450659] [2024-11-09 12:06:59,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:06:59,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:06:59,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:06:59,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-09 12:06:59,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:06:59,798 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:06:59,798 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:06:59,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1545450659] [2024-11-09 12:06:59,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1545450659] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:06:59,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1749770826] [2024-11-09 12:06:59,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:06:59,799 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:06:59,799 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:06:59,801 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 12:06:59,802 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-09 12:06:59,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:06:59,861 INFO L255 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 12:06:59,865 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:06:59,965 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:06:59,965 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:07:00,105 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:07:00,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1749770826] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 12:07:00,106 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 12:07:00,106 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 6] total 6 [2024-11-09 12:07:00,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31337128] [2024-11-09 12:07:00,106 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 12:07:00,107 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 12:07:00,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:07:00,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 12:07:00,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-09 12:07:00,110 INFO L87 Difference]: Start difference. First operand 377 states and 435 transitions. Second operand has 6 states, 6 states have (on average 15.666666666666666) internal successors, (94), 6 states have internal predecessors, (94), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 12:07:00,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:07:00,159 INFO L93 Difference]: Finished difference Result 395 states and 444 transitions. [2024-11-09 12:07:00,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 12:07:00,160 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.666666666666666) internal successors, (94), 6 states have internal predecessors, (94), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 93 [2024-11-09 12:07:00,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:07:00,166 INFO L225 Difference]: With dead ends: 395 [2024-11-09 12:07:00,166 INFO L226 Difference]: Without dead ends: 346 [2024-11-09 12:07:00,167 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 183 SyntacticMatches, 4 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2024-11-09 12:07:00,167 INFO L432 NwaCegarLoop]: 168 mSDtfsCounter, 5 mSDsluCounter, 659 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 827 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 12:07:00,167 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 827 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 12:07:00,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2024-11-09 12:07:00,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 346. [2024-11-09 12:07:00,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 346 states, 266 states have (on average 1.4398496240601504) internal successors, (383), 337 states have internal predecessors, (383), 6 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-09 12:07:00,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 346 states and 395 transitions. [2024-11-09 12:07:00,179 INFO L78 Accepts]: Start accepts. Automaton has 346 states and 395 transitions. Word has length 93 [2024-11-09 12:07:00,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:07:00,181 INFO L471 AbstractCegarLoop]: Abstraction has 346 states and 395 transitions. [2024-11-09 12:07:00,181 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.666666666666666) internal successors, (94), 6 states have internal predecessors, (94), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 12:07:00,181 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 395 transitions. [2024-11-09 12:07:00,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-09 12:07:00,186 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:07:00,186 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:07:00,204 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-09 12:07:00,390 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:07:00,391 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-09 12:07:00,392 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:07:00,392 INFO L85 PathProgramCache]: Analyzing trace with hash -695193576, now seen corresponding path program 1 times [2024-11-09 12:07:00,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:07:00,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937330846] [2024-11-09 12:07:00,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:07:00,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:07:00,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:07:00,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [796574584] [2024-11-09 12:07:00,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:07:00,421 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:07:00,421 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:07:00,427 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 12:07:00,432 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-09 12:07:00,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:07:00,492 INFO L255 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 12:07:00,496 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:07:00,657 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-09 12:07:00,658 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 12:07:00,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:07:00,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1937330846] [2024-11-09 12:07:00,658 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 12:07:00,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [796574584] [2024-11-09 12:07:00,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [796574584] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:07:00,659 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:07:00,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 12:07:00,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345720618] [2024-11-09 12:07:00,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:07:00,660 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 12:07:00,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:07:00,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 12:07:00,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 12:07:00,661 INFO L87 Difference]: Start difference. First operand 346 states and 395 transitions. Second operand has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 12:07:00,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:07:00,712 INFO L93 Difference]: Finished difference Result 346 states and 395 transitions. [2024-11-09 12:07:00,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 12:07:00,713 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 93 [2024-11-09 12:07:00,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:07:00,715 INFO L225 Difference]: With dead ends: 346 [2024-11-09 12:07:00,715 INFO L226 Difference]: Without dead ends: 343 [2024-11-09 12:07:00,715 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 90 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 12:07:00,716 INFO L432 NwaCegarLoop]: 144 mSDtfsCounter, 96 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 12:07:00,716 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 151 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 12:07:00,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2024-11-09 12:07:00,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 343. [2024-11-09 12:07:00,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 343 states, 266 states have (on average 1.4172932330827068) internal successors, (377), 334 states have internal predecessors, (377), 6 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-09 12:07:00,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 343 states and 389 transitions. [2024-11-09 12:07:00,727 INFO L78 Accepts]: Start accepts. Automaton has 343 states and 389 transitions. Word has length 93 [2024-11-09 12:07:00,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:07:00,728 INFO L471 AbstractCegarLoop]: Abstraction has 343 states and 389 transitions. [2024-11-09 12:07:00,728 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 12:07:00,728 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 389 transitions. [2024-11-09 12:07:00,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-09 12:07:00,729 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:07:00,729 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:07:00,745 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-09 12:07:00,933 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:07:00,934 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-09 12:07:00,934 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:07:00,934 INFO L85 PathProgramCache]: Analyzing trace with hash -76164263, now seen corresponding path program 1 times [2024-11-09 12:07:00,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:07:00,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923269160] [2024-11-09 12:07:00,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:07:00,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:07:00,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:07:00,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1558131630] [2024-11-09 12:07:00,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:07:00,956 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:07:00,956 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:07:00,957 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 12:07:00,959 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-09 12:07:01,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:07:01,029 INFO L255 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-09 12:07:01,032 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:07:01,325 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:07:01,325 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:07:01,532 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:07:01,533 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:07:01,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [923269160] [2024-11-09 12:07:01,533 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 12:07:01,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1558131630] [2024-11-09 12:07:01,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1558131630] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 12:07:01,533 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 12:07:01,533 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2024-11-09 12:07:01,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [809049102] [2024-11-09 12:07:01,534 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 12:07:01,535 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 12:07:01,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:07:01,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 12:07:01,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-09 12:07:01,536 INFO L87 Difference]: Start difference. First operand 343 states and 389 transitions. Second operand has 8 states, 7 states have (on average 25.428571428571427) internal successors, (178), 8 states have internal predecessors, (178), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 12:07:02,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:07:02,271 INFO L93 Difference]: Finished difference Result 472 states and 515 transitions. [2024-11-09 12:07:02,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 12:07:02,272 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 25.428571428571427) internal successors, (178), 8 states have internal predecessors, (178), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 94 [2024-11-09 12:07:02,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:07:02,274 INFO L225 Difference]: With dead ends: 472 [2024-11-09 12:07:02,274 INFO L226 Difference]: Without dead ends: 465 [2024-11-09 12:07:02,275 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 180 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-11-09 12:07:02,276 INFO L432 NwaCegarLoop]: 92 mSDtfsCounter, 325 mSDsluCounter, 262 mSDsCounter, 0 mSdLazyCounter, 743 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 327 SdHoareTripleChecker+Valid, 354 SdHoareTripleChecker+Invalid, 759 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 743 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-09 12:07:02,276 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [327 Valid, 354 Invalid, 759 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 743 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-09 12:07:02,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 465 states. [2024-11-09 12:07:02,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 465 to 415. [2024-11-09 12:07:02,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 415 states, 338 states have (on average 1.4585798816568047) internal successors, (493), 406 states have internal predecessors, (493), 6 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-09 12:07:02,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 415 states and 505 transitions. [2024-11-09 12:07:02,293 INFO L78 Accepts]: Start accepts. Automaton has 415 states and 505 transitions. Word has length 94 [2024-11-09 12:07:02,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:07:02,294 INFO L471 AbstractCegarLoop]: Abstraction has 415 states and 505 transitions. [2024-11-09 12:07:02,294 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 25.428571428571427) internal successors, (178), 8 states have internal predecessors, (178), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 12:07:02,295 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 505 transitions. [2024-11-09 12:07:02,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-09 12:07:02,295 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:07:02,295 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:07:02,315 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-09 12:07:02,499 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-09 12:07:02,500 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-09 12:07:02,500 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:07:02,500 INFO L85 PathProgramCache]: Analyzing trace with hash 1933875258, now seen corresponding path program 1 times [2024-11-09 12:07:02,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:07:02,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1230334793] [2024-11-09 12:07:02,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:07:02,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:07:02,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:07:02,545 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [687747500] [2024-11-09 12:07:02,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:07:02,546 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:07:02,546 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:07:02,550 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 12:07:02,553 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-09 12:07:02,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:07:02,620 INFO L255 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-09 12:07:02,623 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:07:02,909 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:07:02,909 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:07:03,803 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:07:03,803 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:07:03,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1230334793] [2024-11-09 12:07:03,803 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 12:07:03,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [687747500] [2024-11-09 12:07:03,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [687747500] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-09 12:07:03,804 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 12:07:03,804 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2024-11-09 12:07:03,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888800587] [2024-11-09 12:07:03,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:07:03,805 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 12:07:03,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:07:03,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 12:07:03,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2024-11-09 12:07:03,806 INFO L87 Difference]: Start difference. First operand 415 states and 505 transitions. Second operand has 5 states, 4 states have (on average 23.25) internal successors, (93), 5 states have internal predecessors, (93), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 12:07:04,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:07:04,939 INFO L93 Difference]: Finished difference Result 415 states and 505 transitions. [2024-11-09 12:07:04,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 12:07:04,940 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 23.25) internal successors, (93), 5 states have internal predecessors, (93), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 95 [2024-11-09 12:07:04,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:07:04,942 INFO L225 Difference]: With dead ends: 415 [2024-11-09 12:07:04,943 INFO L226 Difference]: Without dead ends: 413 [2024-11-09 12:07:04,946 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2024-11-09 12:07:04,947 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 140 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 285 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 285 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-09 12:07:04,947 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 40 Invalid, 290 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 285 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-09 12:07:04,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2024-11-09 12:07:04,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 413. [2024-11-09 12:07:04,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 413 states, 338 states have (on average 1.4437869822485208) internal successors, (488), 404 states have internal predecessors, (488), 6 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-09 12:07:04,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 500 transitions. [2024-11-09 12:07:04,970 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 500 transitions. Word has length 95 [2024-11-09 12:07:04,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:07:04,970 INFO L471 AbstractCegarLoop]: Abstraction has 413 states and 500 transitions. [2024-11-09 12:07:04,971 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 23.25) internal successors, (93), 5 states have internal predecessors, (93), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 12:07:04,971 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 500 transitions. [2024-11-09 12:07:04,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-09 12:07:04,971 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:07:04,972 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:07:04,991 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-09 12:07:05,173 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-09 12:07:05,173 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-09 12:07:05,174 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:07:05,174 INFO L85 PathProgramCache]: Analyzing trace with hash -179409029, now seen corresponding path program 1 times [2024-11-09 12:07:05,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:07:05,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506394847] [2024-11-09 12:07:05,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:07:05,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:07:05,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:07:05,207 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [453509325] [2024-11-09 12:07:05,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:07:05,207 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:07:05,207 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:07:05,209 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 12:07:05,210 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-09 12:07:05,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:07:05,264 INFO L255 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 12:07:05,266 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:07:05,434 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:07:05,434 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 12:07:05,434 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:07:05,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506394847] [2024-11-09 12:07:05,435 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 12:07:05,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [453509325] [2024-11-09 12:07:05,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [453509325] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:07:05,435 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:07:05,435 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 12:07:05,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424484286] [2024-11-09 12:07:05,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:07:05,435 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 12:07:05,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:07:05,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 12:07:05,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-09 12:07:05,436 INFO L87 Difference]: Start difference. First operand 413 states and 500 transitions. Second operand has 5 states, 4 states have (on average 23.5) internal successors, (94), 5 states have internal predecessors, (94), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 12:07:05,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:07:05,789 INFO L93 Difference]: Finished difference Result 416 states and 500 transitions. [2024-11-09 12:07:05,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 12:07:05,790 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 23.5) internal successors, (94), 5 states have internal predecessors, (94), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 96 [2024-11-09 12:07:05,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:07:05,792 INFO L225 Difference]: With dead ends: 416 [2024-11-09 12:07:05,792 INFO L226 Difference]: Without dead ends: 396 [2024-11-09 12:07:05,792 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-09 12:07:05,793 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 178 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 209 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 180 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 12:07:05,793 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [180 Valid, 51 Invalid, 234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 209 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 12:07:05,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2024-11-09 12:07:05,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 396. [2024-11-09 12:07:05,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 396 states, 338 states have (on average 1.3136094674556213) internal successors, (444), 387 states have internal predecessors, (444), 6 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-09 12:07:05,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 396 states and 456 transitions. [2024-11-09 12:07:05,809 INFO L78 Accepts]: Start accepts. Automaton has 396 states and 456 transitions. Word has length 96 [2024-11-09 12:07:05,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:07:05,809 INFO L471 AbstractCegarLoop]: Abstraction has 396 states and 456 transitions. [2024-11-09 12:07:05,809 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 23.5) internal successors, (94), 5 states have internal predecessors, (94), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 12:07:05,809 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 456 transitions. [2024-11-09 12:07:05,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-09 12:07:05,810 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:07:05,810 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:07:05,831 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-09 12:07:06,014 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:07:06,015 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-09 12:07:06,015 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:07:06,015 INFO L85 PathProgramCache]: Analyzing trace with hash -1266712484, now seen corresponding path program 1 times [2024-11-09 12:07:06,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:07:06,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [724530312] [2024-11-09 12:07:06,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:07:06,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:07:06,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:07:06,036 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1712018269] [2024-11-09 12:07:06,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:07:06,037 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:07:06,037 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:07:06,039 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 12:07:06,041 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-09 12:07:06,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:07:06,098 INFO L255 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-09 12:07:06,099 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:07:06,367 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:07:06,368 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:07:06,639 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-11-09 12:07:06,640 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:07:06,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [724530312] [2024-11-09 12:07:06,640 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 12:07:06,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1712018269] [2024-11-09 12:07:06,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1712018269] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-09 12:07:06,640 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 12:07:06,640 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2024-11-09 12:07:06,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801769539] [2024-11-09 12:07:06,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:07:06,641 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 12:07:06,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:07:06,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 12:07:06,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-09 12:07:06,642 INFO L87 Difference]: Start difference. First operand 396 states and 456 transitions. Second operand has 4 states, 3 states have (on average 19.666666666666668) internal successors, (59), 4 states have internal predecessors, (59), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 12:07:08,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:07:08,214 INFO L93 Difference]: Finished difference Result 396 states and 456 transitions. [2024-11-09 12:07:08,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 12:07:08,215 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 19.666666666666668) internal successors, (59), 4 states have internal predecessors, (59), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 97 [2024-11-09 12:07:08,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:07:08,218 INFO L225 Difference]: With dead ends: 396 [2024-11-09 12:07:08,218 INFO L226 Difference]: Without dead ends: 394 [2024-11-09 12:07:08,219 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 186 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-09 12:07:08,219 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 83 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 247 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 249 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-09 12:07:08,219 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 40 Invalid, 249 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 247 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-09 12:07:08,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394 states. [2024-11-09 12:07:08,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394 to 394. [2024-11-09 12:07:08,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 394 states, 338 states have (on average 1.2988165680473374) internal successors, (439), 385 states have internal predecessors, (439), 6 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-09 12:07:08,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 451 transitions. [2024-11-09 12:07:08,239 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 451 transitions. Word has length 97 [2024-11-09 12:07:08,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:07:08,239 INFO L471 AbstractCegarLoop]: Abstraction has 394 states and 451 transitions. [2024-11-09 12:07:08,239 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 19.666666666666668) internal successors, (59), 4 states have internal predecessors, (59), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 12:07:08,239 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 451 transitions. [2024-11-09 12:07:08,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-09 12:07:08,240 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:07:08,240 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:07:08,261 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-09 12:07:08,441 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-09 12:07:08,441 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-09 12:07:08,442 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:07:08,442 INFO L85 PathProgramCache]: Analyzing trace with hash 1969279881, now seen corresponding path program 1 times [2024-11-09 12:07:08,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:07:08,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477645493] [2024-11-09 12:07:08,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:07:08,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:07:08,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:07:08,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-09 12:07:08,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:07:08,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-09 12:07:08,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:07:08,581 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 12:07:08,581 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:07:08,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [477645493] [2024-11-09 12:07:08,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [477645493] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:07:08,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [623955305] [2024-11-09 12:07:08,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:07:08,582 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:07:08,582 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:07:08,586 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 12:07:08,588 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-09 12:07:08,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:07:08,648 INFO L255 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 12:07:08,649 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:07:08,775 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 12:07:08,775 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 12:07:08,776 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [623955305] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:07:08,776 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 12:07:08,776 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-11-09 12:07:08,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224972814] [2024-11-09 12:07:08,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:07:08,776 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 12:07:08,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:07:08,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 12:07:08,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 12:07:08,777 INFO L87 Difference]: Start difference. First operand 394 states and 451 transitions. Second operand has 4 states, 3 states have (on average 32.666666666666664) internal successors, (98), 4 states have internal predecessors, (98), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 12:07:08,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:07:08,805 INFO L93 Difference]: Finished difference Result 415 states and 457 transitions. [2024-11-09 12:07:08,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 12:07:08,806 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 32.666666666666664) internal successors, (98), 4 states have internal predecessors, (98), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 105 [2024-11-09 12:07:08,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:07:08,808 INFO L225 Difference]: With dead ends: 415 [2024-11-09 12:07:08,808 INFO L226 Difference]: Without dead ends: 414 [2024-11-09 12:07:08,808 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 12:07:08,809 INFO L432 NwaCegarLoop]: 217 mSDtfsCounter, 167 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 319 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 12:07:08,809 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [168 Valid, 319 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 12:07:08,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 414 states. [2024-11-09 12:07:08,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 414 to 393. [2024-11-09 12:07:08,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 393 states, 338 states have (on average 1.2928994082840237) internal successors, (437), 384 states have internal predecessors, (437), 6 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-09 12:07:08,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 449 transitions. [2024-11-09 12:07:08,826 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 449 transitions. Word has length 105 [2024-11-09 12:07:08,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:07:08,827 INFO L471 AbstractCegarLoop]: Abstraction has 393 states and 449 transitions. [2024-11-09 12:07:08,827 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 32.666666666666664) internal successors, (98), 4 states have internal predecessors, (98), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 12:07:08,827 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 449 transitions. [2024-11-09 12:07:08,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-09 12:07:08,828 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:07:08,829 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:07:08,848 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-09 12:07:09,029 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-09 12:07:09,030 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-09 12:07:09,030 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:07:09,031 INFO L85 PathProgramCache]: Analyzing trace with hash 918134298, now seen corresponding path program 1 times [2024-11-09 12:07:09,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:07:09,031 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [587501046] [2024-11-09 12:07:09,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:07:09,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:07:09,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:07:09,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-09 12:07:09,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:07:09,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-09 12:07:09,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:07:09,137 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 12:07:09,137 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:07:09,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [587501046] [2024-11-09 12:07:09,137 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [587501046] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:07:09,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1043523449] [2024-11-09 12:07:09,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:07:09,138 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:07:09,138 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:07:09,140 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 12:07:09,141 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-09 12:07:09,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:07:09,197 INFO L255 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 12:07:09,198 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:07:09,305 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 12:07:09,305 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:07:09,430 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 12:07:09,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1043523449] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 12:07:09,430 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 12:07:09,430 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-11-09 12:07:09,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233813674] [2024-11-09 12:07:09,430 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 12:07:09,431 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 12:07:09,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:07:09,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 12:07:09,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-09 12:07:09,432 INFO L87 Difference]: Start difference. First operand 393 states and 449 transitions. Second operand has 7 states, 6 states have (on average 39.0) internal successors, (234), 7 states have internal predecessors, (234), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-09 12:07:09,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:07:09,489 INFO L93 Difference]: Finished difference Result 584 states and 612 transitions. [2024-11-09 12:07:09,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 12:07:09,489 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 39.0) internal successors, (234), 7 states have internal predecessors, (234), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Word has length 106 [2024-11-09 12:07:09,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:07:09,492 INFO L225 Difference]: With dead ends: 584 [2024-11-09 12:07:09,492 INFO L226 Difference]: Without dead ends: 583 [2024-11-09 12:07:09,492 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 212 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-09 12:07:09,493 INFO L432 NwaCegarLoop]: 178 mSDtfsCounter, 243 mSDsluCounter, 493 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 245 SdHoareTripleChecker+Valid, 671 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 12:07:09,493 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [245 Valid, 671 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 12:07:09,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 583 states. [2024-11-09 12:07:09,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 583 to 453. [2024-11-09 12:07:09,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 453 states, 396 states have (on average 1.3156565656565657) internal successors, (521), 442 states have internal predecessors, (521), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-09 12:07:09,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 453 states and 537 transitions. [2024-11-09 12:07:09,510 INFO L78 Accepts]: Start accepts. Automaton has 453 states and 537 transitions. Word has length 106 [2024-11-09 12:07:09,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:07:09,512 INFO L471 AbstractCegarLoop]: Abstraction has 453 states and 537 transitions. [2024-11-09 12:07:09,512 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 39.0) internal successors, (234), 7 states have internal predecessors, (234), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-09 12:07:09,512 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 537 transitions. [2024-11-09 12:07:09,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-09 12:07:09,513 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:07:09,514 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-09 12:07:09,532 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-09 12:07:09,714 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:07:09,715 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-09 12:07:09,715 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:07:09,715 INFO L85 PathProgramCache]: Analyzing trace with hash -760729613, now seen corresponding path program 1 times [2024-11-09 12:07:09,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:07:09,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [468880463] [2024-11-09 12:07:09,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:07:09,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:07:09,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:07:09,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-09 12:07:09,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:07:09,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-09 12:07:09,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:07:09,797 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-09 12:07:09,797 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:07:09,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [468880463] [2024-11-09 12:07:09,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [468880463] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:07:09,798 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:07:09,798 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 12:07:09,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668480888] [2024-11-09 12:07:09,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:07:09,799 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 12:07:09,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:07:09,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 12:07:09,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:07:09,800 INFO L87 Difference]: Start difference. First operand 453 states and 537 transitions. Second operand has 4 states, 3 states have (on average 33.333333333333336) internal successors, (100), 4 states have internal predecessors, (100), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 12:07:10,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:07:10,022 INFO L93 Difference]: Finished difference Result 453 states and 537 transitions. [2024-11-09 12:07:10,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 12:07:10,022 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 33.333333333333336) internal successors, (100), 4 states have internal predecessors, (100), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 121 [2024-11-09 12:07:10,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:07:10,024 INFO L225 Difference]: With dead ends: 453 [2024-11-09 12:07:10,024 INFO L226 Difference]: Without dead ends: 446 [2024-11-09 12:07:10,025 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:07:10,025 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 132 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 150 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 12:07:10,025 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 34 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 150 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 12:07:10,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 446 states. [2024-11-09 12:07:10,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 446 to 446. [2024-11-09 12:07:10,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 446 states, 396 states have (on average 1.2651515151515151) internal successors, (501), 435 states have internal predecessors, (501), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-09 12:07:10,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 446 states and 517 transitions. [2024-11-09 12:07:10,043 INFO L78 Accepts]: Start accepts. Automaton has 446 states and 517 transitions. Word has length 121 [2024-11-09 12:07:10,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:07:10,043 INFO L471 AbstractCegarLoop]: Abstraction has 446 states and 517 transitions. [2024-11-09 12:07:10,043 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 33.333333333333336) internal successors, (100), 4 states have internal predecessors, (100), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 12:07:10,044 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 517 transitions. [2024-11-09 12:07:10,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-09 12:07:10,046 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:07:10,046 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:07:10,046 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-09 12:07:10,046 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-09 12:07:10,046 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:07:10,047 INFO L85 PathProgramCache]: Analyzing trace with hash -2107781365, now seen corresponding path program 1 times [2024-11-09 12:07:10,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:07:10,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1503128528] [2024-11-09 12:07:10,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:07:10,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:07:10,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:07:10,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-09 12:07:10,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:07:10,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-09 12:07:10,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:07:10,127 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-09 12:07:10,128 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:07:10,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1503128528] [2024-11-09 12:07:10,128 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1503128528] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:07:10,128 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:07:10,128 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 12:07:10,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386604774] [2024-11-09 12:07:10,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:07:10,129 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 12:07:10,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:07:10,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 12:07:10,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:07:10,130 INFO L87 Difference]: Start difference. First operand 446 states and 517 transitions. Second operand has 4 states, 3 states have (on average 33.333333333333336) internal successors, (100), 4 states have internal predecessors, (100), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 12:07:10,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:07:10,346 INFO L93 Difference]: Finished difference Result 446 states and 517 transitions. [2024-11-09 12:07:10,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 12:07:10,348 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 33.333333333333336) internal successors, (100), 4 states have internal predecessors, (100), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 122 [2024-11-09 12:07:10,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:07:10,350 INFO L225 Difference]: With dead ends: 446 [2024-11-09 12:07:10,351 INFO L226 Difference]: Without dead ends: 444 [2024-11-09 12:07:10,351 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:07:10,353 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 63 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 183 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 12:07:10,353 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 41 Invalid, 186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 183 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 12:07:10,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 444 states. [2024-11-09 12:07:10,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 444 to 444. [2024-11-09 12:07:10,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 444 states, 396 states have (on average 1.2525252525252526) internal successors, (496), 433 states have internal predecessors, (496), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-09 12:07:10,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 444 states and 512 transitions. [2024-11-09 12:07:10,371 INFO L78 Accepts]: Start accepts. Automaton has 444 states and 512 transitions. Word has length 122 [2024-11-09 12:07:10,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:07:10,372 INFO L471 AbstractCegarLoop]: Abstraction has 444 states and 512 transitions. [2024-11-09 12:07:10,372 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 33.333333333333336) internal successors, (100), 4 states have internal predecessors, (100), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 12:07:10,372 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 512 transitions. [2024-11-09 12:07:10,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-09 12:07:10,373 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:07:10,373 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:07:10,374 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-09 12:07:10,374 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-09 12:07:10,375 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:07:10,375 INFO L85 PathProgramCache]: Analyzing trace with hash 1646677069, now seen corresponding path program 1 times [2024-11-09 12:07:10,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:07:10,375 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [179235136] [2024-11-09 12:07:10,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:07:10,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:07:10,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:07:10,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [36426460] [2024-11-09 12:07:10,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:07:10,415 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:07:10,415 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:07:10,417 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 12:07:10,419 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-09 12:07:10,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:07:10,478 INFO L255 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 12:07:10,479 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:07:10,610 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 12:07:10,611 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:07:10,825 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 12:07:10,825 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:07:10,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [179235136] [2024-11-09 12:07:10,825 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 12:07:10,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [36426460] [2024-11-09 12:07:10,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [36426460] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 12:07:10,825 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 12:07:10,825 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2024-11-09 12:07:10,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868079978] [2024-11-09 12:07:10,826 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 12:07:10,826 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 12:07:10,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:07:10,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 12:07:10,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-09 12:07:10,836 INFO L87 Difference]: Start difference. First operand 444 states and 512 transitions. Second operand has 8 states, 7 states have (on average 32.57142857142857) internal successors, (228), 8 states have internal predecessors, (228), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-09 12:07:11,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:07:11,368 INFO L93 Difference]: Finished difference Result 512 states and 571 transitions. [2024-11-09 12:07:11,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 12:07:11,369 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 32.57142857142857) internal successors, (228), 8 states have internal predecessors, (228), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 124 [2024-11-09 12:07:11,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:07:11,374 INFO L225 Difference]: With dead ends: 512 [2024-11-09 12:07:11,374 INFO L226 Difference]: Without dead ends: 480 [2024-11-09 12:07:11,374 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 248 GetRequests, 240 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2024-11-09 12:07:11,375 INFO L432 NwaCegarLoop]: 54 mSDtfsCounter, 457 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 708 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 460 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 749 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 708 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-09 12:07:11,375 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [460 Valid, 162 Invalid, 749 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 708 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-09 12:07:11,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 480 states. [2024-11-09 12:07:11,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 480 to 428. [2024-11-09 12:07:11,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 428 states, 385 states have (on average 1.1714285714285715) internal successors, (451), 418 states have internal predecessors, (451), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-09 12:07:11,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 428 states and 465 transitions. [2024-11-09 12:07:11,394 INFO L78 Accepts]: Start accepts. Automaton has 428 states and 465 transitions. Word has length 124 [2024-11-09 12:07:11,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:07:11,394 INFO L471 AbstractCegarLoop]: Abstraction has 428 states and 465 transitions. [2024-11-09 12:07:11,395 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 32.57142857142857) internal successors, (228), 8 states have internal predecessors, (228), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-09 12:07:11,395 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 465 transitions. [2024-11-09 12:07:11,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-09 12:07:11,396 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:07:11,396 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:07:11,415 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-09 12:07:11,597 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,SelfDestructingSolverStorable21 [2024-11-09 12:07:11,597 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr82ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-09 12:07:11,598 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:07:11,598 INFO L85 PathProgramCache]: Analyzing trace with hash -1470987247, now seen corresponding path program 1 times [2024-11-09 12:07:11,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:07:11,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765961909] [2024-11-09 12:07:11,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:07:11,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:07:11,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:07:11,618 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [12135155] [2024-11-09 12:07:11,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:07:11,619 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:07:11,619 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:07:11,621 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 12:07:11,623 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-09 12:07:11,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:07:11,691 INFO L255 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 12:07:11,693 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:07:12,055 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 12:07:12,055 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:07:12,332 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:07:12,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [765961909] [2024-11-09 12:07:12,333 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 12:07:12,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [12135155] [2024-11-09 12:07:12,333 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [12135155] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:07:12,333 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 12:07:12,333 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-11-09 12:07:12,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076321981] [2024-11-09 12:07:12,333 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 12:07:12,334 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 12:07:12,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:07:12,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 12:07:12,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-09 12:07:12,335 INFO L87 Difference]: Start difference. First operand 428 states and 465 transitions. Second operand has 5 states, 4 states have (on average 33.0) internal successors, (132), 5 states have internal predecessors, (132), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-09 12:07:12,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:07:12,589 INFO L93 Difference]: Finished difference Result 430 states and 468 transitions. [2024-11-09 12:07:12,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 12:07:12,589 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 33.0) internal successors, (132), 5 states have internal predecessors, (132), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 144 [2024-11-09 12:07:12,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:07:12,591 INFO L225 Difference]: With dead ends: 430 [2024-11-09 12:07:12,592 INFO L226 Difference]: Without dead ends: 416 [2024-11-09 12:07:12,592 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 243 GetRequests, 235 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2024-11-09 12:07:12,593 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 65 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 273 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 295 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 273 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 12:07:12,593 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 59 Invalid, 295 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 273 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 12:07:12,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 416 states. [2024-11-09 12:07:12,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 416 to 411. [2024-11-09 12:07:12,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 411 states, 382 states have (on average 1.1020942408376964) internal successors, (421), 401 states have internal predecessors, (421), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-09 12:07:12,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 435 transitions. [2024-11-09 12:07:12,611 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 435 transitions. Word has length 144 [2024-11-09 12:07:12,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:07:12,612 INFO L471 AbstractCegarLoop]: Abstraction has 411 states and 435 transitions. [2024-11-09 12:07:12,612 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 33.0) internal successors, (132), 5 states have internal predecessors, (132), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-09 12:07:12,612 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 435 transitions. [2024-11-09 12:07:12,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-09 12:07:12,613 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:07:12,613 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:07:12,635 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-09 12:07:12,814 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,SelfDestructingSolverStorable22 [2024-11-09 12:07:12,814 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr83ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-09 12:07:12,814 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:07:12,815 INFO L85 PathProgramCache]: Analyzing trace with hash 1644035826, now seen corresponding path program 1 times [2024-11-09 12:07:12,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:07:12,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1741797185] [2024-11-09 12:07:12,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:07:12,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:07:12,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:07:12,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [943987225] [2024-11-09 12:07:12,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:07:12,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:07:12,844 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:07:12,847 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 12:07:12,848 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-09 12:07:12,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:07:12,910 INFO L255 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 12:07:12,912 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:07:13,275 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 12:07:13,276 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:07:13,750 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:07:13,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1741797185] [2024-11-09 12:07:13,750 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 12:07:13,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [943987225] [2024-11-09 12:07:13,750 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [943987225] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:07:13,751 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 12:07:13,751 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-09 12:07:13,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [830595806] [2024-11-09 12:07:13,751 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 12:07:13,751 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 12:07:13,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:07:13,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 12:07:13,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-09 12:07:13,752 INFO L87 Difference]: Start difference. First operand 411 states and 435 transitions. Second operand has 6 states, 5 states have (on average 26.6) internal successors, (133), 6 states have internal predecessors, (133), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 12:07:14,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:07:14,032 INFO L93 Difference]: Finished difference Result 449 states and 473 transitions. [2024-11-09 12:07:14,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 12:07:14,033 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 26.6) internal successors, (133), 6 states have internal predecessors, (133), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 145 [2024-11-09 12:07:14,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:07:14,035 INFO L225 Difference]: With dead ends: 449 [2024-11-09 12:07:14,035 INFO L226 Difference]: Without dead ends: 411 [2024-11-09 12:07:14,035 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-09 12:07:14,036 INFO L432 NwaCegarLoop]: 49 mSDtfsCounter, 2 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 452 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 452 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 452 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 12:07:14,037 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 116 Invalid, 452 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 452 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 12:07:14,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 411 states. [2024-11-09 12:07:14,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 411 to 411. [2024-11-09 12:07:14,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 411 states, 382 states have (on average 1.0994764397905759) internal successors, (420), 401 states have internal predecessors, (420), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-09 12:07:14,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 434 transitions. [2024-11-09 12:07:14,058 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 434 transitions. Word has length 145 [2024-11-09 12:07:14,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:07:14,058 INFO L471 AbstractCegarLoop]: Abstraction has 411 states and 434 transitions. [2024-11-09 12:07:14,058 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 26.6) internal successors, (133), 6 states have internal predecessors, (133), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 12:07:14,058 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 434 transitions. [2024-11-09 12:07:14,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-09 12:07:14,060 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:07:14,060 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:07:14,080 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-11-09 12:07:14,260 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,SelfDestructingSolverStorable23 [2024-11-09 12:07:14,260 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr83ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-09 12:07:14,261 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:07:14,261 INFO L85 PathProgramCache]: Analyzing trace with hash -1343157633, now seen corresponding path program 1 times [2024-11-09 12:07:14,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:07:14,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144407230] [2024-11-09 12:07:14,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:07:14,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:07:14,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:07:14,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1683309005] [2024-11-09 12:07:14,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:07:14,299 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:07:14,299 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:07:14,301 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 12:07:14,304 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-09 12:07:14,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:07:14,388 INFO L255 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 12:07:14,390 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:07:14,860 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 12:07:14,861 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:07:16,193 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 12:07:16,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:07:16,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [144407230] [2024-11-09 12:07:16,194 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 12:07:16,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1683309005] [2024-11-09 12:07:16,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1683309005] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 12:07:16,194 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 12:07:16,194 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2024-11-09 12:07:16,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605695069] [2024-11-09 12:07:16,194 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 12:07:16,195 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-09 12:07:16,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:07:16,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-09 12:07:16,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2024-11-09 12:07:16,196 INFO L87 Difference]: Start difference. First operand 411 states and 434 transitions. Second operand has 12 states, 11 states have (on average 26.727272727272727) internal successors, (294), 12 states have internal predecessors, (294), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-09 12:07:20,819 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-09 12:07:24,827 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-09 12:07:28,843 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-09 12:07:32,851 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-09 12:07:36,889 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-09 12:07:40,917 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-09 12:07:44,937 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-09 12:07:48,957 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-09 12:07:52,978 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-09 12:07:56,986 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-09 12:08:01,001 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-09 12:08:05,015 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-09 12:08:09,031 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-09 12:08:13,049 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-09 12:08:17,057 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-09 12:08:21,077 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-09 12:08:25,095 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers []